Lucas and Luna break down the invisible skeleton of the internet: the routers, protocols, and physical cables that move packets across continents. Each episode opens with a recent network outage, a peering dispute, or a routing-table anomaly — then traces the engineering decisions and business incentives behind it. Lucas maps the technical architecture (BGP, MPLS, IXPs), while Luna pushes on the economics: who pays for undersea cables, why ISPs throttle certain traffic, and how network neutrality shapes startup access. They analyze real incidents — AWS’s Tokyo region failure, a Level 3 vs. Cogent peering war, or the latency impact of a new data-center route — and explain what network engineers actually debate in NANOG meetings. This is not a ‘how the internet works’ primer; it’s the layer-3 view for professionals who manage, build, or invest in network infrastructure. Expect granular discussions of dark fiber, CDN caching strategies, and the politics of IP address allocation. By the en
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What is Networking Tech with Fexingo: Internet Infrastructure, Routing, and Network Engineering?
Networking Tech with Fexingo: Internet Infrastructure, Routing, and Network Engineering is a business podcast hosted by Fexingo, with 154 episodes on record and a Required Pod Score of 80. PitchCentric scores this show on Booking Probability, Listen Score, and live audience signals refreshed every 24 hours.
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Fexingo hosts Networking Tech with Fexingo: Internet Infrastructure, Routing, and Network Engineering, a business show with 154 episodes published.
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Episode #158
How BGP Flowspec Is Stopping DDoS Attacks
Aug 18, 20267 minS4
In this episode of Networking Tech with Fexingo, Lucas and Luna break down BGP Flowspec, a technology that's quietly changing how network operators defend against DDoS attacks. They explain how Flowspec works, why it's more precise than traditional RTBH, and how it's being deployed at scale by ISPs and large enterprises. With a concrete example from a Tier 1 provider handling a multi-terabit attack, the hosts walk through the setup, the limitations, and the future of this protocol. If you've ever wondered how the internet survives massive floods of traffic, this episode gives you a clear, practical look at one of the essential tools in a network engineer's arsenal. #BGPFlowspec #DDoSProtection #NetworkSecurity #InternetInfrastructure #RoutingProtocols #NetworkEngineering #ISP #Tier1 #TrafficFiltering #RTBH #NetworkResilience #CyberDefense #Technology #Networking #FexingoBusiness #BusinessPodcast #Infosec #DDoS Keep every episode free: buymeacoffee.com/fexingo
How Network Verification Prevents Outages Before They Happen
Aug 17, 20269 minS4
Network outages cost millions and erode trust. But what if you could prove your network will work before you touch it? In this episode, Lucas and Luna explore the rise of network verification — the practice of mathematically proving that routing and configuration changes won't break your network. They dig into how companies like Amazon and Microsoft use formal methods to check BGP policies and firewall rules, and how tools like Batfish are bringing verification to the masses. They discuss real-world incidents that could have been prevented — like the 2017 Amazon S3 outage caused by a typo — and why verification is becoming a standard practice in network engineering. If you've ever made a change at 2 AM and prayed it would work, this episode is for you. #NetworkVerification #FormalMethods #NetworkReliability #BGP #DataCenterNetworking #NetworkEngineering #Automation #NetworkAutomation #NetworkOperations #IncidentResponse #AmazonS3Outage #MicrosoftAzure #Batfish #NetworkConfiguration #InfrastructureAsCode #Technology #FexingoBusiness #BusinessPodcast Keep every episode free: buymeacoffee.com/fexingo
As BGP struggles with the Internet's growing complexity, network operators are increasingly turning to Segment Routing to simplify traffic engineering and improve resilience. In this episode, Lucas and Luna explore how Segment Routing MPLS (SR-MPLS) and Segment Routing over IPv6 (SRv6) are being adopted by major service providers and cloud operators. They break down a concrete example of a large content delivery network that halved its BGP table size by using SR-MPLS, and discuss what this means for the future of inter-domain routing. They also address the challenges of migration and the role of new tools like BGP Link State (BGP-LS) and Path Computation Element Protocol (PCEP). If you've ever wondered why your internet connection sometimes takes a detour, or how networks are evolving to handle the demands of AI and 5G, this episode will give you a clear picture of the shift happening behind the scenes. #SegmentRouting #BGP #SRMPLS #SRv6 #InternetRouting #NetworkEngineering #TrafficEngineering #BGP-LS #PCEP #ServiceProvider #CloudNetworking #DataCenter #AI #5G #NetworkResilience #FexingoBusiness #BusinessPodcast #Technology Keep every episode free: buymeacoffee.com/fexingo
In episode 155 of Networking Tech with Fexingo, Lucas and Luna dig into the quiet workhorse of internet routing: BGP communities. These 32-bit tags attached to routing prefixes let network operators signal everything from geographic location to route preference without rewriting global routing tables. The hosts walk through how a misconfigured community can accidentally hijack traffic (remember the 2018 Amazon Route 53 incident?), how communities enable fine-grained traffic engineering that keeps content delivery networks fast, and why the move from 16-bit to 32-bit communities is unlocking new possibilities. They also touch on the delicate trust balance communities rely on, and how automation is making community handling more consistent. Expect concrete examples, a look at real-world operational hiccups, and a clear takeaway about a routing feature that rarely gets the spotlight but shapes your everyday internet experience. #BGPCommunities #InternetRouting #NetworkEngineering #RoutingPolicy #BGP #TrafficEngineering #NetworkAutomation #42Community #AmazonRoute53 #CDN #InternetInfrastructure #ISP #Technology #Networking #FexingoBusiness #BusinessPodcast #TechPodcast #NetworkOperations Keep every episode free: buymeacoffee.com/fexingo
How BGP Is Adapting to the Internet's Growing Complexity
Aug 14, 20268 minS4
Border Gateway Protocol, the glue of the global internet, is under pressure from route leaks, hijacks, and the sheer scale of modern networks. In this episode, Lucas and Luna explore how operators are fighting back with RPKI, BGPsec, and new operational practices. They break down why the internet's routing table keeps growing, what that means for resilience, and why every network engineer should care about path validation. Learn why RPKI adoption is accelerating, the limits of BGPsec, and how route leaks like the 2023 Okta incident are driving change. If you've ever wondered how your packets find their way across the internet without getting lost, this is the episode for you. Plus, Lucas and Luna discuss how listeners can keep the show ad-free and independent. #BGP #RoutingSecurity #RPKI #InternetInfrastructure #NetworkEngineering #RouteLeaks #BGPsec #NetworkResilience #InternetRouting #NetworkOps #Technology #FexingoBusiness #BusinessPodcast #TechPodcast #NetworkEngineer #RoutingTable #InternetGovernance #Podcast Keep every episode free: buymeacoffee.com/fexingo
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