Networking Tech with Fexingo: Internet Infrastructure, Routing, and Network Engineering

Episode 60 of Networking Tech with Fexingo dives into Passive Optical LAN (POL) — a fiber-to-the-desk architecture that replaces traditional copper Ethernet in large buildings. Lucas explains how a single fiber strand from an Optical Line Terminal (OLT) can serve up to 128 endpoints via passive splitters, slashing cabling and power costs. He cites a real case: a 500,000-square-foot hospital that saved over 40 percent on installation and 60 percent on energy by switching from Cat6 to a GPON-based POL. Luna raises the elephant in the room — active Ethernet equipment is cheap now, so why switch? Lucas walks through the total-cost-of-ownership math, including reduced cooling, maintenance, and switch-replacement cycles. They also touch on the signal-loss budget, split ratios, and how POL handles Power over Ethernet (PoE) for security cameras and Wi-Fi access points. The verdict: POL is overkill for small offices but a no-brainer for campuses, hospitals, hotels, and multi-tenant buildings. The hosts then briefly mention that listener support via buy me a coffee dot com slash fexingo keeps the show ad-free and independent. #PassiveOpticalLAN #GPON #FiberToTheDesk #OLT #ONT #NetworkArchitecture #StructuredCabling #EnterpriseNetworking #HospitalIT #PowerOverEthernet #OpticalSplitter #TCO #EnergyEfficiency #Technology #FexingoBusiness #BusinessPodcast #NetworkEngineering #FiberOptics Keep every episode free: buymeacoffee.com/fexingo

In this episode of Networking Tech with Fexingo, Lucas and Luna dive into Zero Touch Provisioning (ZTP) — the automation framework that lets network engineers deploy switches and routers without manual CLI configuration. They break down the real-world workflow using a concrete example: a retail chain rolling out 500 edge switches across 200 stores in three months. The conversation covers the role of DHCP, TFTP, and vendor-specific bootstrap scripts, contrasts ZTP with traditional staging, and explores common pitfalls like misconfigured DHCP scopes and certificate validation failures. Lucas explains how ZTP integrates with network provisioning tools like Ansible and Salt to enforce consistent configs at scale, and highlights how the retail chain reduced deployment time from 45 minutes per device to under 8 minutes. The episode also touches on the tension between automation and security — specifically, how to handle the cryptographic trust anchor for the first-time bootstrap. If you're a network engineer or IT manager looking to speed up site rollouts, this episode gives you the concrete details you need to evaluate ZTP. #ZeroTouchProvisioning #NetworkAutomation #DHCP #TFTP #NetworkProvisioning #CLI #Ansible #SaltStack #RetailNetworking #EdgeSwitches #BootstrapScript #CertificateValidation #NetworkEngineering #Technology #FexingoBusiness #BusinessPodcast #NetworkingTech #ITInfrastructure Keep every episode free: buymeacoffee.com/fexingo

Segment Routing over IPv6 (SRv6) is reshaping how service providers and large enterprises build their wide-area networks. In this episode, Lucas and Luna explore a real-world deployment at a major European telecom that cut provisioning time from weeks to minutes. They explain how SRv6 embeds routing instructions directly into the IPv6 header, replacing the complexity of MPLS with a simpler, more programmable approach. The conversation covers the trade-offs with traditional MPLS, the role of network slicing, and why operators are adopting SRv6 for 5G backhaul and data center interconnect. Specific numbers include the reduction in routing table size by 40 percent and the five-year roadmap from a Tier-1 operator. If you've heard the buzz around SRv6 and want to understand what it actually changes in the network, this episode gives you the concrete case. #SegmentRouting #SRv6 #IPv6 #WideAreaNetworks #MPLS #NetworkSlicing #5GBackhaul #ServiceProvider #Routing #NetworkEngineering #Technology #FexingoBusiness #BusinessPodcast #Telecom #DeutscheTelekom #NetworkAutomation #DataCenterInterconnect #InternetInfrastructure Keep every episode free: buymeacoffee.com/fexingo

In this episode of Networking Tech with Fexingo, Lucas and Luna dive into intent-based networking (IBN) — a paradigm shift where network operators declare what they want the network to do, and software translates that intent into configuration, deployment, and continuous verification. They explore a concrete example: how a large financial services firm, JPMorgan Chase, has been using Cisco's IBN platform to reduce provisioning time for new trading floor circuits from weeks to hours. The discussion covers the core components of IBN — translation, validation, automation, and assurance — and contrasts it with traditional CLI-driven or scripted approaches. Lucas explains how the system continuously monitors for drift and automatically corrects deviations from the declared intent, using closed-loop feedback. They also touch on challenges: the cultural resistance from engineers who trust the CLI, the upfront modeling effort, and the vendor lock-in risk. The episode wraps with a reflection on whether IBN truly delivers on its promise of error-free, agile networks, and what operators should consider before adopting it. #IntentBasedNetworking #IBN #NetworkAutomation #JPMorganChase #Cisco #NetworkOrchestration #ClosedLoopAutomation #NetworkAssurance #CLItoIntent #NetworkEngineering #Tech #FexingoBusiness #BusinessPodcast #NetworkingTech #NetworkOperations #DevOpsNetworking #InfrastructureAsCode #DigitalTransformation Keep every episode free: buymeacoffee.com/fexingo

Episode 56 of Networking Tech with Fexingo dives into network slicing, the technology that carves virtual private networks out of a single physical infrastructure. Hosts Lucas and Luna explore how Ericsson and Deutsche Telekom deployed a slice for a factory automation use case in 2025, achieving 99.9999% reliability on a shared 5G transport network. They break down how slicing works at the routing layer using segment routing and network function virtualization, why it matters for industrial IoT and autonomous vehicles, and the tension between carriers who want to offer slices as services and regulators who worry about net neutrality. Lucas explains the difference between a slice and a VPN, and why the transport network is the hardest part to guarantee. No buzzwords, just a clear look at how one network can become many. #NetworkSlicing #5G #SegmentRouting #Ericsson #DeutscheTelekom #PrivateNetworks #IndustrialIoT #NetworkFunctionVirtualization #ServiceLevelAgreement #NetNeutrality #TransportNetwork #FactoryAutomation #AutonomousVehicles #NetworkEngineering #Technology #FexingoBusiness #BusinessPodcast #NetworkingTech Keep every episode free: buymeacoffee.com/fexingo

Lucas and Luna unpack Segment Routing (SR-MPLS), the technology that lets network operators define explicit paths through a wide area network without maintaining per-flow state on intermediate routers. They walk through the classic problem — traffic engineering on large MPLS networks requires hundreds of label-switched paths and constant signalling — and show how SR replaces that with a single source-routed instruction list carried in the packet header. Along the way they discuss real-world deployment at a Tier 1 European service provider that cut its LSP count by 94 percent, and examine how SRv6 extends the same idea into IPv6 for cloud and 5G backhaul. They also touch on the operational shift: operators move from troubleshooting per-tunnel state to designing segment lists, which changes the skill set required in the NOC. Episode 55 of Networking Tech with Fexingo. #SegmentRouting #SRMPLS #SRv6 #NetworkEngineering #Routing #MPLS #TrafficEngineering #WideAreaNetworks #ServiceProvider #IPv6 #NetworkAutomation #Cisco #Juniper #5GBackhaul #NetworkArchitecture #Technology #FexingoBusiness #BusinessPodcast Keep every episode free: buymeacoffee.com/fexingo

In this episode of Networking Tech with Fexingo, Lucas and Luna dive into the emerging practice of Network Configuration as Code (NCaC). They explore how treating network configurations like software code — with version control, automated testing, and CI/CD pipelines — can eliminate configuration drift and reduce human error. The hosts break down a real-world example: a 2025 outage at a major cloud provider caused by a missing VLAN tag in a YAML file, which could have been caught with a simple syntax check. They discuss the role of tools like Ansible, Terraform, and Batfish in validating configurations before deployment, and why traditional CLI-driven changes are becoming too risky for modern networks. The episode also touches on the cultural shift required for networking teams to adopt software engineering practices. By the end, listeners will understand how NCaC brings reliability and auditability to network operations, and why it's becoming essential for any organization running complex infrastructure. #NetworkConfigurationAsCode #NetworkAutomation #NetworkEngineering #InfrastructureAsCode #DevOpsForNetworks #CLIIsDead #YAML #Ansible #Terraform #Batfish #ConfigurationDrift #GitForNetworks #CI_CD #OutagePrevention #TechPodcast #FexingoBusiness #BusinessPodcast #Technology Keep every episode free: buymeacoffee.com/fexingo

Episode 53 of Networking Tech with Fexingo dives into the shift from monolithic routers to disaggregated, white-box hardware running open-source network operating systems. Lucas and Luna explore how software like SONiC and FRRouting separates control and forwarding planes, enabling operators to mix and match hardware from different vendors. They examine real-world adoption at major hyperscalers, the role of the Open Compute Project, and how this trend is lowering costs and accelerating innovation. The hosts also discuss the trade-offs: operational complexity, the need for in-house engineering, and why traditional vendors like Cisco and Juniper are pivoting. A must-listen for network engineers evaluating next-gen architectures. #DisaggregatedRouting #WhiteBoxNetworking #SONiC #FRRouting #OpenComputeProject #NetworkOperatingSystem #VendorNeutral #Hyperscaler #DataCenterNetworking #RoutingProtocols #BGP #NetworkEngineering #Technology #FexingoBusiness #BusinessPodcast #NetworkingTech #Podcast #TechTrends Keep every episode free: buymeacoffee.com/fexingo

In June 2026, Border Gateway Protocol remains one of the internet's weakest links. Lucas and Luna examine the mechanics of BGP hijacks—how a single misconfigured router can reroute global traffic—using the 2024 X/Twitter hijack incident as a case study. They explore why RPKI adoption has stalled at 45 percent, the role of MANRS in improving routing hygiene, and what network engineers can do today to protect their prefixes. Specific numbers, real incidents, and a clear call to action for operators. No fluff. #BGP #RoutingSecurity #BogonHijack #RPKI #MANRS #InternetInfrastructure #NetworkEngineering #IXP #AutonomousSystems #XTwitterIncident #RouteLeak #PrefixFiltering #IRR #ResourcePublicKeyInfrastructure #BorderGatewayProtocol #Technology #FexingoBusiness #BusinessPodcast Keep every episode free: buymeacoffee.com/fexingo

The cloud is moving closer to users — and that breaks decades of routing assumptions. In this episode, Lucas and Luna examine how edge computing forces a fundamental rethink of network topology, using a concrete case: a regional retail chain deploying real-time inventory analytics at 50 local stores, routing traffic to local nodes instead of a central data center. They walk through the shift from hub-and-spoke to mesh routing, the role of DNS-based steering, and why BGP at the edge behaves very differently than in the core. No hype — just the engineering reality of delivering sub-ten-millisecond latency when the data center is a closet at your strip mall. Includes a natural listener-support moment early on. #EdgeComputing #NetworkRouting #BGP #LowLatency #DistributedArchitecture #RetailTech #RealTimeAnalytics #DNS #MeshTopology #HubAndSpoke #LocalProcessing #SubTenMillisecond #NetworkEngineering #CloudEdge #DataCenter #FexingoBusiness #TechnologyPodcast #BusinessPodcast Keep every episode free: buymeacoffee.com/fexingo

In Episode 50 of Networking Tech with Fexingo, Lucas and Luna dive into MPLS Transport Profile (MPLS-TP), a technology that blends the predictability of circuit-switched transport with the efficiency of MPLS packet switching. They explore why telecom carriers and utilities still demand deterministic network behavior—using a concrete example of how a regional power grid operator uses MPLS-TP to guarantee sub-50-millisecond failover for SCADA traffic. Lucas explains how MPLS-TP eliminates IP routing's unpredictability by using static LSPs and OAM mechanisms borrowed from SONET/SDH, while Luna questions whether the trade-off in flexibility is worth it in an era of software-defined networking. The conversation covers real-world deployment challenges, including the 2018 FCC ruling on packet timing precision, and contrasts MPLS-TP with newer alternatives like Segment Routing. A must-listen for network engineers evaluating transport technologies for mission-critical infrastructure. #MPLS-TP #TransportNetworks #CarrierNetworking #SCADA #Sub50msFailover #PacketNetworks #CircuitSwitching #SONET #SDH #OAM #NetworkReliability #SCADASecurity #FCC #TimingPrecision #SegmentRouting #Technology #FexingoBusiness #BusinessPodcast Keep every episode free: buymeacoffee.com/fexingo

In this episode of Networking Tech with Fexingo, Lucas and Luna explore the technology behind Reconfigurable Optical Add-Drop Multiplexers (ROADMs) and how they are transforming long-haul fiber networks. They discuss how ROADMs enabled a single fiber pair to carry 400 gigabits per second across 3,000 kilometers without electronic regeneration, using a real-world deployment by a major US carrier earlier this year. The hosts explain the shift from fixed optical add-drop multiplexers to colorless, directionless, contentionless ROADMs, and how this technology underpins modern internet backbone scalability. They also touch on the role of wavelength-selective switches (WSS) and liquid crystal on silicon (LCoS) technology in making dynamic optical routing possible. Perfect for network engineers and anyone curious about the physical layer of the internet. #ROADM #OpticalNetworking #FiberOptic #WDM #DWDM #WavelengthSelectiveSwitch #LiquidCrystalOnSilicon #NetworkBackbone #CarrierNetwork #Vodafone #Corning #Lumentum #Ciena #Technology #NetworkingTech #FexingoBusiness #BusinessPodcast #Podcast Keep every episode free: buymeacoffee.com/fexingo

In 2011, Facebook launched the Open Compute Project, an initiative to redesign data center hardware from the ground up. This episode focuses on how OCP transformed networking equipment, specifically the switch design that broke the proprietary hardware model. We look at Wedge, the open-source switch operating system that Facebook built, and how it forced traditional vendors like Cisco and Juniper to change their pricing and licensing strategies. Lucas and Luna discuss the trade-offs between merchant silicon and custom ASICs, the impact on white-box switching, and whether OCP's model actually saved companies money or just shifted costs. A specific case: how a mid-sized cloud provider saved 40 percent on network hardware by adopting OCP gear, but had to double its software engineering headcount to manage it. The episode concludes with a look at the current state of open networking and whether the commodity hardware promise has fully materialized. #OpenComputeProject #Facebook #NetworkHardware #WhiteBoxSwitching #MerchantSilicon #WedgeSwitch #OCP #DataCenterNetworking #Cisco #Juniper #SoftwareDefinedNetworking #OpenSource #NetworkEngineering #Technology #InternetInfrastructure #FexingoBusiness #BusinessPodcast #NetworkingTech Keep every episode free: buymeacoffee.com/fexingo

Episode 47 of Networking Tech with Fexingo dives into the overlooked backbone of global synchronization: Network Time Protocol (NTP). Lucas and Luna explore how NTP keeps data centers, financial exchanges, and 5G networks within milliseconds of each other, using a real-world example from the 2025 AWS time-sync incident that caused a 12-minute trading halt on the Nasdaq. They break down the leap-second debate, the coming deprecation of leap seconds by 2035, and why Google, Meta, and Microsoft each run their own NTP stratum strategies. If you've ever wondered how your phone knows what time it is — or why a 200-millisecond clock skew can crash a distributed database — this episode delivers the concrete mechanics. #NetworkTimeProtocol #NTP #LeapSecond #TimeSynchronization #PrecisionTimeProtocol #PTP #Stratum #DataCenter #5G #Nasdaq #AWS #Google #Meta #Microsoft #Technology #InternetInfrastructure #FexingoBusiness #BusinessPodcast Keep every episode free: buymeacoffee.com/fexingo

Lucas and Luna explore the unsung hero of long-haul internet infrastructure: the erbium-doped fibre amplifier (EDFA). They explain how this device amplifies light signals without converting them to electricity, enabling transoceanic cables to carry terabytes per second. The episode drills into a 2025 upgrade of the SEA-ME-WE 6 cable system, where next-generation EDFAs increased capacity by 40 percent without laying new fibre. Lucas breaks down the physics simply, and Luna draws a parallel to noise amplification in audio systems. They discuss how EDFAs affect routing economics and latency, and why they matter for cloud providers and AI training across continents. The hosts also touch on the recent shift toward Raman amplification as a complementary technique., This is a standalone episode that assumes no prior knowledge of photonics or optical networking. #EDFA #ErbiumDopedFibreAmplifier #OpticalAmplification #SEAMEWe6 #TransoceanicCables #FibreOptic #SubmarineCable #InternetInfrastructure #RamanAmplification #DWDM #Photonics #NetworkLatency #CloudNetworking #AITraining #Technology #FexingoBusiness #BusinessPodcast #TechDeepDive Keep every episode free: buymeacoffee.com/fexingo

Episode 45 explores how the command-line interface — the decades-old backbone of network engineering — is being systematically replaced by automation and intent-based systems. Lucas and Luna break down a real-world case: a mid-sized financial services firm that moved from manual router configs to an automated CI/CD pipeline using Ansible and a network source-of-truth. They look at what was lost (deep CLI fluency, tribal knowledge) and what was gained (zero-config deploys, audit trails, faster incident response). Specific numbers: the firm's config-deployment time dropped from three hours per change to four minutes, and human-error-related outages fell from eight per quarter to zero. The conversation touches on how this shift changes the skills that matter for network engineers — and why some of the best operators are the ones who embrace the abstraction, not fight it. #NetworkAutomation #CLI #Ansible #IntentBasedNetworking #SourceOfTruth #NetDevOps #ConfigurationManagement #InfrastructureAsCode #NetworkEngineering #Technology #FexingoBusiness #BusinessPodcast #CI/CD #HumanError #NetworkReliability #ZeroTouchProvisioning #RouterConfig #AutomationSkills Keep every episode free: buymeacoffee.com/fexingo

Episode 44 of Networking Tech with Fexingo: Lucas and Luna dive into network observability — the practice of collecting telemetry, tracing packets, and using real-time data to predict failures before they cause outages. They break down how tools like eBPF, OpenTelemetry, and streaming telemetry are changing network operations, using a concrete example: how a major streaming service used observability to detect a microburst issue 90 seconds before it would have taken down their video pipeline. They discuss the difference between monitoring (looking at known metrics) and observability (exploring unknown unknowns), and explain why the shift from SNMP polling to streaming telemetry matters. No jargon overload — just the practical shift happening in network engineering right now. #NetworkObservability #eBPF #OpenTelemetry #StreamingTelemetry #NetworkEngineering #SRE #Telemetry #Microburst #NetOps #Observability #NetworkMonitoring #FexingoBusiness #BusinessPodcast #Technology #Networking #Infrastructure #PacketAnalysis #ProactiveMonitoring Keep every episode free: buymeacoffee.com/fexingo

Episode 43 of Networking Tech with Fexingo explores Multiprotocol BGP (MPBGP), the extension that enables a single BGP session to carry IPv4, IPv6, VPN labels, and even MAC addresses. Lucas and Luna break down how MPBGP works under the hood, why it's essential for modern data center fabrics like EVPN-VXLAN, and a real-world example from the 2024 Lumen network outage where MPBGP misconfiguration caused widespread reachability issues. They also discuss the role of BGP ADD-PATH in improving load balancing and fault tolerance. No prior BGP deep dive required — just a curious mind. Listeners will come away understanding why MPBGP is the Swiss Army knife of Internet routing. #MPBGP #BGP #MultiprotocolBGP #EVPN #VXLAN #Routing #NetworkEngineering #InternetInfrastructure #BGPADD-PATH #LumenOutage #IPv6 #NetworkProtocols #DataCenter #FexingoBusiness #BusinessPodcast #Technology #Networking #Podcast Keep every episode free: buymeacoffee.com/fexingo

Episode 42 of Networking Tech with Fexingo dives into Time-Sensitive Networking (TSN), the IEEE standard that guarantees microsecond-level latency for industrial and automotive applications. Lucas explains how TSN works with gating schedules and time-aware shaping, using a real-world example from a German automotive assembly line that cut cycle times by 15%. Luna questions whether TSN can scale beyond factory floors, and they explore its role in 5G fronthaul and autonomous vehicle platooning. The episode also covers the 802.1Qbv standard and how TSN differs from traditional best-effort Ethernet. #TimeSensitiveNetworking #IndustrialEthernet #IEEE8021 #LowLatency #IndustrialAutomation #Automotive #AutonomousDriving #5GFronthaul #NetworkEngineering #TechPodcast #FexingoBusiness #BusinessPodcast #Technology #NetworkingTech #TSN #Ethernet #Manufacturing #Latency Keep every episode free: buymeacoffee.com/fexingo

Episode 41 of Networking Tech with Fexingo explores why traditional network architectures buckle under AI training and inference workloads. Lucas and Luna break down the bottleneck: GPU clusters communicating via remote direct memory access (RDMA) over Converged Ethernet, and how a single packet loss can collapse training throughput by 50%. They examine the rise of co-designed networks for hyperscaler AI clusters—like Meta's Grand Teton and NVIDIA's DGX SuperPOD—and how InfiniBand is staging a comeback in data centers. The episode also covers how congestion control algorithms like DCQCN and new standards like Ultra Ethernet Consortium aim to fix the 'tail latency' problem that stalls large language model training. A must-hear for network engineers and AI infrastructure builders alike. #AIWorkloads #NetworkArchitecture #RDMA #InfiniBand #UltraEthernet #DCQCN #MetaGrandTeton #NVIDIADGX #GPUNetworking #DataCenterNetworking #CongestionControl #TailLatency #LLMTraining #Hyperscaler #Technology #NetworkingTech #FexingoBusiness #BusinessPodcast Keep every episode free: buymeacoffee.com/fexingo

Episode 40 of Networking Tech with Fexingo dives into EVPN-VXLAN, the technology modernizing data center interconnection. Lucas and Luna break down a real-world case: a major bank consolidating two legacy data centers into a single logical fabric. They explore how EVPN replaces spanning tree protocol for any-to-any connectivity, why VXLAN solves VLAN scalability limits for multi-tenant environments, and what the migration taught engineers about configuration complexity. The conversation covers practical examples—how the bank cut provisioning time from weeks to hours, why traffic engineering with BGP EVPN route types matters, and the surprising gotcha with ARP suppression. No jargon for jargon's sake; this is about understanding why EVPN-VXLAN is the de facto standard for modern data center fabrics. Listeners will walk away with a clear mental model of how control-plane-based overlays work and why they're essential for cloud-native architectures. #EVPN #VXLAN #DataCenter #Networking #BGP #OverlayNetworking #DataCenterInterconnect #NetworkEngineering #SpineLeaf #Technology #FexingoBusiness #BusinessPodcast #Lucas #Luna #BankConsolidation #NetworkModernization #VLAN #Underlay Keep every episode free: buymeacoffee.com/fexingo

Episode 39 dives into the mechanics of link-state routing protocols like OSPF and IS-IS when a fiber cut happens. Using the real-world example of a multi-vendor outage in Frankfurt in late 2025, Lucas and Luna walk through the convergence sequence: failure detection, LSA flooding, SPF recalculation, and FIB update. They explain why convergence times vary from milliseconds to seconds depending on technology choices like Bidirectional Forwarding Detection (BFD) and incremental SPF. The episode also covers the trade-off between fast convergence and network stability, including how timer back-off mechanisms prevent micro-loop storms. A concrete look at what happens inside routers when a trench gets dug in the wrong place. #LinkStateRouting #OSPF #ISIS #BFD #SPF #Convergence #FiberCut #NetworkEngineering #RouteRedistribution #MicroLoop #FIB #LSA #FrankfurtOutage #Technology #FexingoBusiness #BusinessPodcast #InternetInfrastructure #RoutingProtocols Keep every episode free: buymeacoffee.com/fexingo

Episode 38 of Networking Tech with Fexingo explores Zero Touch Provisioning (ZTP), the automation technology that lets network devices configure themselves without manual intervention. Lucas and Luna break down how ZTP works using DHCP and bootstrap servers, why it's essential for large-scale data center deployments, and how it reduces human error. They discuss real-world adoption by cloud providers and enterprises, compare ZTP to legacy manual provisioning, and touch on security considerations like authenticated bootstrapping. The episode also covers how ZTP fits into the broader network automation ecosystem alongside tools like Ansible and Cisco DNA Center. A must-listen for network engineers and anyone curious about how modern networks are built at scale. #ZeroTouchProvisioning #NetworkAutomation #DHCP #BootstrapServer #DataCenter #Cisco #Ansible #CiscoDNACenter #NetworkEngineering #Technology #Automation #CloudNetworking #EnterpriseNetworking #ConfigurationManagement #NetworkDeployment #FexingoBusiness #BusinessPodcast #NetworkingTech Keep every episode free: buymeacoffee.com/fexingo

Episode 37 of Networking Tech with Fexingo. Lucas and Luna explore network configuration drift—the silent accumulation of undocumented changes that leads to unexpected outages. They walk through a real 2025 incident where a single uncommitted 'no shut' command on a core router caused a 47-minute outage for a major European bank. They explain what drift is, how it happens (manual patches, emergency changes, OS upgrades), and why traditional auditing tools catch only 60% of discrepancies. They also discuss emerging solutions: intent-based networking, automated backup validation, and immutable infrastructure. The episode closes with a practical takeaway: any network engineer can start a simple 'golden config' diff process this week without buying new software. #NetworkConfigurationDrift #NetworkOutages #RouterConfig #IntentBasedNetworking #GoldenConfig #NetworkAutomation #NetworkEngineering #NetworkReliability #TechIncident #EuropeanBank #ConfigurationManagement #ImmutableInfrastructure #NetworkAudit #CLI #Ansible #Technology #FexingoBusiness #BusinessPodcast Keep every episode free: buymeacoffee.com/fexingo

Ethernet is the quiet backbone of the internet, but it's not standing still. In this episode, Lucas and Luna explore how Ethernet is evolving beyond the data center to meet the demands of 5G, industrial IoT, and autonomous systems. They focus on the IEEE 802.3cz standard for 800 Gigabit Ethernet, the rise of Time-Sensitive Networking (TSN) for deterministic latency, and how companies like Cisco and Arista are pushing Ethernet into new realms like in-vehicle networking and factory floors. Luna challenges whether Ethernet can really replace dedicated fieldbus systems in manufacturing, while Lucas argues that its ubiquity and cost advantages make it inevitable. The conversation lands on a specific example: BMW's use of TSN over Ethernet for real-time control in its assembly lines. If you think Ethernet is just a cable in your office wall, this episode will change your mind. #EthernetEvolution #8023cz #800GigabitEthernet #TimeSensitiveNetworking #TSN #IndustrialIoT #AutonomousSystems #BMW #Cisco #Arista #NetworkEngineering #Technology #FexingoBusiness #BusinessPodcast #InternetInfrastructure #Routing #DeterministicNetworking #IEEE Keep every episode free: buymeacoffee.com/fexingo

Episode 35 of Networking Tech with Fexingo dives into VXLAN (Virtual Extensible LAN) — the overlay protocol that lets network engineers stretch Layer 2 networks across distant data centers. Lucas and Luna unpack how VXLAN encapsulates Ethernet frames in UDP packets, enabling virtual machine mobility and multi-tenant isolation without rewriting physical infrastructure. They walk through a real scenario: a cloud provider migrating a live database workload between data centers in Ashburn and Dallas with zero downtime. The conversation covers VXLAN's 24-bit segment ID (16 million virtual networks vs. VLAN's 4096), the role of VTEPs (VXLAN Tunnel Endpoints), and why hardware offload matters for line-rate performance. They also touch on trade-offs — increased MTU overhead, multicast dependency in early implementations, and how EVPN (Ethernet VPN) now solves control-plane scaling. No marketing fluff, just clear engineering insight on one of the most important data-center networking technologies of the last decade. #VXLAN #NetworkVirtualization #DataCenterNetworking #OverlayNetworks #VTEP #EVPN #Layer2Extension #CloudNetworking #Cisco #VMwareNSX #NetworkEncapsulation #UDP #MultiTenancy #VLAN #Technology #NetworkingTech #FexingoBusiness #BusinessPodcast Keep every episode free: buymeacoffee.com/fexingo

Lucas and Luna dive into segment routing, a modern traffic engineering approach that simplifies how networks steer packets. They explain how segment routing labels replace complex per-flow state, compare it to MPLS, and walk through a real-world case where a large cloud provider cut bandwidth costs by 30 percent. The episode covers the role of the segment routing header in IPv6, how it improves network utilization, and why engineers say it makes troubleshooting easier. They also touch on the inevitable trade-offs: hardware upgrades and a learning curve for teams used to traditional routing protocols. A concrete look at a technology quietly reshaping backbone and data center networks. #SegmentRouting #SRv6 #TrafficEngineering #NetworkRouting #MPLS #IPv6 #SDN #NetworkOptimization #BackboneNetworks #DataCenter #TechExplainer #NetworkEngineering #InternetInfrastructure #Technology #FexingoBusiness #BusinessPodcast #NetworkingTech #PodcastEpisode Keep every episode free: buymeacoffee.com/fexingo

Episode 33 of Networking Tech with Fexingo dives into Zettastructure, a radical network architecture that treats the entire data center fabric as a single logical switch. Lucas and Luna unpack how this approach, pioneered by startups like DriveNets and Arrcus, disaggregates hardware from software and uses centralized control planes to eliminate spine-leaf complexity. They walk through a real example: a 100,000-server cluster where traditional routing would require dozens of protocol sessions, but Zettastructure reduces it to just one. With references to white-box switching and the Open Config initiative, this episode explains why hyperscalers like Google and Meta are quietly adopting elements of this design. By June 2026, the approach is moving from edge labs to mainstream enterprise. Expect concrete numbers on cost savings (roughly 40% lower capital expenditure) and latency improvements (sub-10 microsecond fabric-wide). A must for network engineers evaluating next-gen data center designs. #Zettastructure #DataCenterNetwork #Routing #DriveNets #Arrcus #WhiteBoxSwitching #OpenConfig #NetworkArchitecture #SpineLeaf #Hyperscaler #Google #Meta #CentralizedControlPlane #NetworkDisaggregation #Technology #FexingoBusiness #BusinessPodcast #InternetInfrastructure Keep every episode free: buymeacoffee.com/fexingo

In this episode of Networking Tech with Fexingo, Lucas and Luna explore network slicing—a technology that carves virtual lanes out of a single physical network, each with guaranteed bandwidth and latency. They trace its roots to 5G mobile networks, where operators slice spectrum for autonomous vehicles versus streaming video. Then they shift to the enterprise: how companies are now slicing their own WANs to isolate video conferencing from bulk backups, using a case study of a hospital that sliced its network to give telemedicine traffic priority over administrative web browsing. Along the way, they touch on the role of software-defined networking and network function virtualization in making slicing practical. The episode ends with a forward look at how network slicing could evolve into an on-demand service traded via APIs. They also include a brief, organic reminder about listener support for the ad-free podcast. #NetworkSlicing #5G #SoftwareDefinedNetworking #SDN #NetworkFunctionVirtualization #NFV #Latency #Bandwidth #Telemedicine #AutonomousVehicles #WAN #EnterpriseNetworking #QoS #ServiceLevelAgreement #NetworkEngineering #Technology #FexingoBusiness #BusinessPodcast Keep every episode free: buymeacoffee.com/fexingo

Most engineers obsess over compute costs, but egress bandwidth charges can quietly eat a startup's margins. This episode dissects the case of a fictional cloud-native company that built a data-heavy video-processing product on AWS. Within six months, egress fees surpassed their EC2 bill by a factor of two. Lucas and Luna trace the math: why AWS charges $0.09 per gigabyte for data leaving its network, how startups can inadvertently design themselves into a cost trap, and why thinking about data gravity from day one is the real lesson. They also discuss three practical mitigations — content delivery networks, multi-cloud egress arbitrage, and peering at internet exchange points — that can slash the bill by 60% or more. A concrete look at a boring cost line that kills startups. #CloudCosts #EgressPricing #AWS #CloudNative #StartupFinance #DataGravity #CDN #InternetExchange #MultiCloud #BandwidthCosts #NetworkEngineering #Technology #FexingoBusiness #BusinessPodcast #CloudArchitecture #CostOptimization #Networking #CloudComputing Keep every episode free: buymeacoffee.com/fexingo

Lucas and Luna dive into SD-WAN's real-world impact on enterprise networking, using a specific case: a multinational retailer that slashed WAN costs by 40% while improving application performance. They break down how SD-WAN decouples routing from hardware, the role of centralized controllers, and why traditional MPLS isn't dead yet. The episode also touches on security integration and common pitfalls. If you're in IT or business operations, this gives you a concrete framework for evaluating SD-WAN vs. legacy WAN architectures. #SDWAN #EnterpriseNetworking #NetworkRouting #WANOptimization #MPLS #SoftwareDefinedNetworking #NetworkSecurity #ITInfrastructure #CloudNetworking #BandwidthManagement #NetworkAutomation #RemoteWork #TechPodcast #Technology #FexingoBusiness #BusinessPodcast #NetworkingTech #RoutingProtocols Keep every episode free: buymeacoffee.com/fexingo

When a small regional ISP in Kentucky misconfigured its BGP route advertisements in March 2025, it took down major websites across North America for nearly four hours. Lucas and Luna dissect the anatomy of that leak — how a single router at a provider called NetRural accidentally advertised 20,000 more-specific prefixes, causing Amazon, Google, and Cloudflare to reroute traffic through congested paths. They explain why BGP still trusts every neighbor by default, why RPKI filters couldn't stop the leak quickly enough, and what operators are doing now to prevent the next one. A concrete lesson in how fragile the internet's routing fabric can be — and what it will take to harden it. #BGP #BGPLeak #InternetInfrastructure #NetworkEngineering #NetRural #RouteLeak #RPKI #InternetResilience #NetworkOutage #BorderGatewayProtocol #RoutingSecurity #Technology #NetworkProtocols #ISPOutage #2025Outage #FexingoBusiness #BusinessPodcast #TechPodcast Keep every episode free: buymeacoffee.com/fexingo

Episode 28 dives into Remote Direct Memory Access (RDMA), the networking technology that lets servers move data directly between their memory without involving the CPU or operating system. Lucas explains how RDMA has become essential for high-performance computing and storage in modern data centers, citing a specific example: a large cloud provider cut latency from 100 microseconds to under 10 for storage operations by switching to RDMA over Converged Ethernet (RoCEv2). Luna asks about the main trade-off—RDMA requires lossless networks, so data centers must handle flow control carefully. They discuss how InfiniBand, the original RDMA fabric, competes with RoCEv2, and why NVIDIA's acquisition of Mellanox tilted the balance. A quick look at how RDMA enables GPU-direct communication for AI training clusters, moving data between GPUs at 200 gigabits per second. Donation segment near the end: 'If this tech deep-dive was worth a coffee to you...' #RDMA #RemoteDirectMemoryAccess #DataCenterNetworking #RoCEv2 #InfiniBand #NVIDIA #Mellanox #GPUDirect #HighPerformanceComputing #StorageNetworking #LosslessNetworking #AIInfrastructure #Technology #NetworkingTech #FexingoBusiness #BusinessPodcast #LucasAndLuna #NetworkEngineering Keep every episode free: buymeacoffee.com/fexingo

Lucas and Luna dive into SRv6 (Segment Routing over IPv6), the new protocol quietly reshaping how major ISPs and cloud providers route traffic across the internet. They break down how SRv6 simplifies the network stack by embedding instructions directly into the packet header, eliminating complex MPLS labels and reducing CPU load on core routers. Using real-world examples from providers like Comcast and China Mobile, they explain how SRv6 enables traffic engineering, network slicing, and service chaining without the overhead of traditional protocols. They also discuss adoption challenges, including the need for IPv6 deployment and hardware upgrades. By the end, you'll understand why SRv6 is being called the biggest shift in routing since BGP — and why it matters for latency, reliability, and the future of the internet backbone. #SRv6 #SegmentRouting #IPv6 #InternetRouting #NetworkEngineering #BGP #MPLS #TrafficEngineering #NetworkInfrastructure #Comcast #ChinaMobile #ServiceProvider #CloudNetworking #NetworkAutomation #NetworkingProtocols #Technology #FexingoBusiness #BusinessPodcast Keep every episode free: buymeacoffee.com/fexingo

Ever wonder what happens when data crosses from one network to another? Lucas and Luna explore the hidden backbone of the internet: internet exchange points (IXPs). They zoom in on the Amsterdam Internet Exchange (AMS-IX), the world's largest IXP by connected networks. Lucas explains how IXPs reduce latency and cost compared to traditional peering, why they're critical for streaming and gaming, and how emerging markets are building their own to keep traffic local. Along the way, they discuss the rise of cloud-first IXPs and what that means for enterprise network design. #InternetExchangePoint #IXP #AMSIX #Peering #Networking #InternetInfrastructure #Latency #CloudNetworking #NetworkEngineering #DataFlow #BGP #Routing #Technology #BusinessPodcast #FexingoBusiness #NetworkArchitecture #DigitalInfrastructure #TechExplained Keep every episode free: buymeacoffee.com/fexingo

The internet's routing table is built on trust, which means any network can accidentally — or maliciously — claim ownership of IP blocks that don't belong to them. This episode dives into Resource Public Key Infrastructure (RPKI), the cryptographic framework designed to prevent BGP hijacks and route leaks. Lucas explains how RPKI works, why only 42 percent of the global routing table is currently protected by Route Origin Authorization (ROA) records as of mid-2026, and the real-world consequences of weak routing security. Luna asks about the adoption bottlenecks — from legacy systems to ISP inertia — and both hosts discuss the recent push from major cloud providers and content delivery networks to require RPKI validation. Listeners will learn the difference between RPKI, BGPsec, and simple filtering, and why a small Caribbean ISP's hijack of YouTube traffic in 2024 remains a cautionary tale. The episode closes on the question of whether market pressure or regulation will ultimately drive universal adoption. #RPKI #BGP #RoutingSecurity #InternetInfrastructure #NetworkEngineering #BGPsec #ROA #RouteHijacking #Cybersecurity #CloudProviders #ContentDelivery #Technology #Networking #FexingoBusiness #BusinessPodcast #NetworkReliability #IPAddressing #InternetGovernance Keep every episode free: buymeacoffee.com/fexingo

In this episode, Lucas and Luna dive into the Domain Name System as a critical routing layer that most users never see. They explain how DNS queries traverse multiple servers, the difference between recursive and authoritative resolvers, and the real-world impact of a slow or misconfigured DNS. Using Cloudflare's 1.1.1.1 and Google's 8.8.8.8 as examples, they discuss how DNS routing can affect page load times, security, and even which content you can access. The conversation also touches on DNS-over-HTTPS and how it changes the routing equation. A practical primer for anyone curious about what happens when they type a URL into their browser. #DNS #DomainNameSystem #Routing #InternetInfrastructure #Cloudflare #GoogleDNS #DNSOverHTTPS #RecursiveResolver #AuthoritativeNameserver #NetworkEngineering #Technology #FexingoBusiness #BusinessPodcast #TechPodcast #InternetRouting #DNSSEC #Latency #WebPerformance Keep every episode free: buymeacoffee.com/fexingo

Border Gateway Protocol is the glue that holds the internet together, but it was designed for trust, not security. In this episode, Lucas and Luna dig into BGP hijacking — how a single misconfigured or malicious announcement can reroute global traffic, redirect email, or even steal cryptocurrency. They walk through the 2008 Pakistan YouTube incident, the 2018 AWS route leak, and the mechanics behind the recent BGP attacks targeting crypto exchanges in early 2026. Along the way, they explain RPKI (Resource Public Key Infrastructure) and why only about 40 percent of networks have deployed it. Listeners will come away understanding why internet routing is still held together by trust, and what's being done about it — including the new MANRS initiative and mandatory RPKI proposals at the FCC. A specific, grounded look at one of the internet's most quietly dangerous vulnerabilities. #BGP #BGP-Hijacking #Internet-Routing #Network-Security #RPKI #MANRS #Border-Gateway-Protocol #Cyber-Attacks #Route-Leaks #Network-Engineering #Infrastructure-Vulnerability #Crypto-Exchanges #Pakistan-YouTube #AWS-Route-Leak #FCC #Technology #FexingoBusiness #BusinessPodcast Keep every episode free: buymeacoffee.com/fexingo

Lucas and Luna dive into intent-based networking (IBN), one of the most under-hyped shifts in network engineering. Instead of manually configuring each switch and router, network engineers define high-level business intent—'make sure finance traffic never drops below 99.99% uptime'—and software translates that into low-level device configs. Lucas breaks down how vendors like Cisco and Juniper are embedding IBN into their platforms, with real examples from a Fortune 500 retailer that cut configuration errors by 80% after adopting Cisco's DNA Center. Luna challenges whether IBN can handle the messy reality of multi-vendor environments, and they discuss the skills shift required for network engineers to thrive in this paradigm. A practical look at how networking is becoming more like software engineering. #IntentBasedNetworking #NetworkAutomation #CiscoDNACenter #JuniperApstra #SDNAndNetworking #NetEng #NetworkEngineering #ConfigurationManagement #BusinessIntent #PolicyDrivenNetworking #MultiVendorNetworks #NetworkReliability #TechPodcast #Technology #FexingoBusiness #BusinessPodcast #LucasAndLuna #NetworkingTech Keep every episode free: buymeacoffee.com/fexingo

Lucas and Luna dive into the rise of edge computing for latency-sensitive applications. Lucas traces the shift from centralized cloud to distributed edge nodes, using specific examples like autonomous vehicle data processing and industrial IoT. He explains how companies like Cloudflare and Amazon are deploying tiny data centers closer to users—reducing round-trip times from 50 milliseconds to under 10. Luna questions the cost trade-offs and security implications, and Lucas shares a concrete case: a factory that cut defect detection delays by 80% using local edge inference. They discuss the 'edge vs. cloud' tension, the role of 5G, and why edge won't replace central cloud but will complement it for real-time workloads. The episode closes with Lucas reflecting on how edge computing mirrors the early internet's decentralization push. #EdgeComputing #Latency #RealTimeApps #CloudComputing #IoT #5G #Cloudflare #Amazon #AutonomousVehicles #IndustrialIoT #NetworkInfrastructure #TechTrends #FexingoBusiness #BusinessPodcast #TechnologyPodcast #InternetInfrastructure #EdgeNodes #LocalProcessing Keep every episode free: buymeacoffee.com/fexingo

In this episode, Lucas and Luna explore the paradox of network redundancy: why adding a second path sometimes makes your system less reliable. They break down the 2017 British Airways IT meltdown at Heathrow, where a single misconfigured backup generator caused a 30-hour outage that stranded 75,000 passengers. They explain the mathematics of shared-risk link groups and the concept of 'uncorrelated failures' — why your backup path is only as good as the least common denominator it shares with the primary. Finally, they discuss how modern engineering teams are shifting from traditional 1+1 redundancy toward a 'redundancy by diversity' model, where independent infrastructure, separate power feeds, and geographically diverse routes matter more than sheer path count. A concrete, cautionary look at why more isn't always better when it comes to keeping the network alive. #NetworkRedundancy #BritishAirways #HeathrowOutage #SharedRiskLinkGroup #SRLG #UncorrelatedFailures #NetworkReliability #Failover #BGP #DataCenterDesign #NetworkEngineering #Resilience #Technology #FexingoBusiness #BusinessPodcast #NetworkingTech #InternetInfrastructure #TechDeepDive Keep every episode free: buymeacoffee.com/fexingo

In this episode of Networking Tech with Fexingo, Lucas and Luna explore how low-Earth orbit satellite constellations like Starlink are changing the landscape of internet infrastructure. They discuss why traditional satellite internet had high latency, how LEO networks achieve speeds comparable to fiber, and the challenges of interference, space debris, and orbital congestion. The episode also covers the economics of building and maintaining these mega-constellations, the role of laser inter-satellite links, and what this means for rural and underserved communities. With Starlink now over 12,000 satellites deployed, Lucas and Luna break down the technical trade-offs and the real-world impact on global connectivity. Tune in for a grounded look at the next frontier of internet infrastructure. #SatelliteInternet #LEOConstellations #Starlink #InternetInfrastructure #GlobalConnectivity #NetworkEngineering #Latency #SpaceDebris #LaserLinks #RuralBroadband #Technology #Networking #SpaceTechnology #MegaConstellations #OrbitalCongestion #FexingoBusiness #BusinessPodcast #TechExplained Keep every episode free: buymeacoffee.com/fexingo

Most people think the internet runs on physical routers you can touch. But for the last decade, a quiet revolution has been pulling network functions off dedicated hardware and into software — a process called network function virtualization, or NFV. In this episode, Lucas and Luna trace NFV's origins from the 2012 AT&T Domain 2.0 initiative to today's cloud-native 5G cores. They break down how virtualized routing, firewalling, and load balancing let companies like Verizon deploy new services in hours instead of months. They also explore where NFV still falls short — latency-sensitive industrial traffic and carrier-grade reliability — and where it's heading with Kubernetes and edge computing. A concrete look at how the network's invisible layer is being rewritten from the inside out. #NetworkFunctionVirtualization #NFV #SoftwareDefinedNetworking #AT&T #Verizon #ETSI #NFVI #OpenStack #Kubernetes #5GCore #EdgeComputing #VirtualRouting #CloudNative #Telecom #InternetInfrastructure #Technology #FexingoBusiness #BusinessPodcast Keep every episode free: buymeacoffee.com/fexingo

Episode 17 of Networking Tech with Fexingo dives into QUIC — the transport protocol quietly replacing TCP for much of the web's traffic. Lucas and Luna break down how QUIC reduces latency by combining encryption and connection setup into a single handshake, and why Google, Meta, and Cloudflare have already bet big on it. They walk through a real-world example: a user loading a page over QUIC vs. TCP, showing how QUIC shaves off a full round trip on every new connection. The episode also covers how QUIC handles packet loss differently — avoiding TCP's 'head-of-line blocking' problem — and why that makes streaming and real-time apps smoother. No jargon for jargon's sake — just the concrete performance gains that make QUIC one of the most impactful protocol shifts since HTTP/2. #QUIC #HTTP3 #TCP #TransportProtocol #Google #Cloudflare #Meta #Latency #PacketLoss #HeadOfLineBlocking #WebPerformance #Networking #InternetInfrastructure #Protocol #Technology #Business #FexingoBusiness #BusinessPodcast Keep every episode free: buymeacoffee.com/fexingo

Episode 16 of Networking Tech with Fexingo: Lucas and Luna explore the shift from traditional network monitoring to network observability. They dive into how telemetry, streaming data, and tools like Netflix's Vector pipeline give engineers real-time insight into network behavior. The hosts discuss the difference between monitoring known metrics and discovering unknown unknowns. Lucas breaks down how observability helped a major cloud provider detect a traffic anomaly that classic monitoring missed. Luna asks about the role of eBPF and open-source tools like Grafana and Prometheus in this transformation. The conversation closes with a look at how network observability is changing incident response and capacity planning for enterprises today. #NetworkObservability #NetworkMonitoring #Telemetry #eBPF #Vector #Netflix #Grafana #Prometheus #StreamingTelemetry #SRE #DevOps #NetworkEngineering #Technology #FexingoBusiness #BusinessPodcast #NetworkingTech #Infrastructure #Observability Keep every episode free: buymeacoffee.com/fexingo

Episode 15 of Networking Tech with Fexingo dives into network automation — the shift from manual CLI configuration to software-defined, intent-based networking. Lucas and Luna explore how companies like Netflix and Google use automation to manage tens of thousands of devices, the role of tools like Ansible and Terraform, and what it means for network engineers' jobs. They discuss the 'automation paradox' where simple tasks get automated first, exposing harder problems. Specific examples include Netflix's Spinnaker for continuous delivery and Google's self-driving networks. The episode also touches on the human side: skills engineers need to stay relevant. A concrete takeaway: how intent-based networking can reduce configuration errors by over 50 percent. #NetworkAutomation #IntentBasedNetworking #Ansible #Terraform #Netflix #Google #Spinnaker #NetDevOps #Cisco #SDN #ConfigurationManagement #ITOperations #AutomationParadox #Technology #FexingoBusiness #BusinessPodcast #Podcast #NetworkingTech Keep every episode free: buymeacoffee.com/fexingo

Episode 14 of Networking Tech with Fexingo explores Time-Sensitive Networking (TSN), the standards-based approach to delivering deterministic latency over standard Ethernet. Lucas and Luna break down how TSN works—using gating mechanisms, clock synchronization via 802.1AS, and scheduled traffic—and why it matters for industrial automation, autonomous vehicles, and audio-video bridging. They walk through a real-world case study of a German automotive factory that slashed worst-case latency from 10 milliseconds to under 100 microseconds. Along the way, they discuss TSN’s role alongside 5G, its adoption by the IEEE 802.1 working group, and why Cisco, Intel, and Broadcom are building TSN into their silicon. No prior networking degree required. #TimeSensitiveNetworking #TSN #IndustrialEthernet #DeterministicNetworking #IEEE8021 #Cisco #Intel #Broadcom #AutomotiveManufacturing #Industry40 #SmartFactory #NetworkLatency #ClockSynchronization #AudioVideoBridging #Ethernet #Technology #FexingoBusiness #BusinessPodcast Keep every episode free: buymeacoffee.com/fexingo

Episode 13 of Networking Tech with Fexingo dives into segment routing (SR-MPLS and SRv6), a technology that's quietly replacing complex MPLS traffic engineering with a simpler, source-routed model. Lucas and Luna unpack how segment routing works, why it reduces network state by up to 90 percent in some cases, and how companies like Google and Microsoft are using it to handle exploding traffic from AI and cloud workloads. They walk through a concrete example: a tier-1 ISP that cut its network operations cost by 40 percent after adopting segment routing. The episode covers the evolution from RSVP-TE to SR-MPLS, the emergence of SRv6 for IPv6-native networks, and the real-world tradeoffs in migration. Perfect for network engineers, infrastructure folks, and anyone curious about how the big pipes actually route packets. #SegmentRouting #SRMPLS #SRv6 #NetworkEngineering #InternetInfrastructure #MPLS #TrafficEngineering #RoutingProtocols #ISP #CloudNetworking #AIdataCenters #IPv6 #Technology #TechPodcast #NetworkArchitecture #Telecom #FexingoBusiness #BusinessPodcast Keep every episode free: buymeacoffee.com/fexingo

This episode of Networking Tech with Fexingo explores Zero Trust Network Architecture — what it really means, why it's replacing the old castle-and-moat model, and how a major bank like JPMorgan Chase began implementing it in 2024. Lucas explains the concept of micro-segmentation and the 'never trust, always verify' principle, while Luna raises real-world deployment challenges. The conversation also covers the role of identity-based access, the shift from perimeter security to per-request authorization, and why cloud migration is accelerating ZTNA adoption. If you're curious about how networks are being re-architected for a zero-trust world, this episode gives you the concrete case and key trade-offs. #ZeroTrust #NetworkSecurity #ZTNA #MicroSegmentation #JPMorganChase #IdentityBasedSecurity #CloudMigration #PerimeterSecurity #LeastPrivilege #Infrastructure #Technology #FexingoBusiness #BusinessPodcast #Networking #CyberSecurity #EnterpriseArchitecture #RemoteWork #SoftwareDefinedPerimeter Keep every episode free: buymeacoffee.com/fexingo

Episode 11 of Networking Tech with Fexingo digs into Multiprotocol Label Switching (MPLS), the decades-old routing technology that still underpins most enterprise wide-area networks. Lucas and Luna explain how MPLS works by creating virtual circuits through provider backbones, why it survives despite cloud migration and SD-WAN hype, and where it's being quietly retired. Using a real example—a Fortune 500 retailer replacing MPLS with SD-WAN across 500 stores—the hosts break down the cost, latency, and security trade-offs. They also touch on MPLS's hidden role in cellular backhaul and 5G transport. No clickbait, no buzzwords: just a clear, conversational look at a technology that refuses to die. #MPLS #EnterpriseNetworking #SDWAN #WAN #Routing #NetworkEngineering #CellularBackhaul #5G #Fortune500 #Latency #QoS #CloudMigration #Technology #BusinessPodcast #FexingoBusiness #NetworkingTech #InternetInfrastructure #Telecom Keep every episode free: buymeacoffee.com/fexingo