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The Big Pitch with Jimmy Carr
1 Phil Wang Pitches Psychological Thriller Starring WHO?! 24:35
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LikedIt’s the very first episode of The Big Pitch with Jimmy Carr and our first guest is Phil Wang! And Phil’s subgenre is…This Place is Evil. We’re talking psychological torture, we’re talking gory death scenes, we’re talking Lorraine Kelly?! The Big Pitch with Jimmy Carr is a brand new comedy podcast where each week a different celebrity guest pitches an idea for a film based on one of the SUPER niche sub-genres on Netflix. From ‘Steamy Crime Movies from the 1970s’ to ‘Australian Dysfunctional Family Comedies Starring A Strong Female Lead’, our celebrity guests will pitch their wacky plot, their dream cast, the marketing stunts, and everything in between. By the end of every episode, Jimmy Carr, Comedian by night / “Netflix Executive” by day, will decide whether the pitch is greenlit or condemned to development hell! Listen on all podcast platforms and watch on the Netflix Is A Joke YouTube Channel . The Big Pitch is a co-production by Netflix and BBC Studios Audio. Jimmy Carr is an award-winning stand-up comedian and writer, touring his brand-new show JIMMY CARR: LAUGHS FUNNY throughout the USA from May to November this year, as well as across the UK and Europe, before hitting Australia and New Zealand in early 2026. All info and tickets for the tour are available at JIMMYCARR.COM Production Coordinator: Becky Carewe-Jeffries Production Manager: Mabel Finnegan-Wright Editor: Stuart Reid Producer: Pete Strauss Executive Producer: Richard Morris Executive Producers for Netflix: Kathryn Huyghue, Erica Brady, and David Markowitz Set Design: Helen Coyston Studios: Tower Bridge Studios Make Up: Samantha Coughlan Cameras: Daniel Spencer Sound: Charlie Emery Branding: Tim Lane Photography: James Hole…
HN753: Getting to Know Cisco’s Network Service Orchestrator (NSO)
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On today’s episode, guest James Henderson joins the Packet Pushers to discuss Cisco’s Network Service Orchestrator (NSO). NSO’s role in network automation, its declarative management approach, and the challenges it presents are some of the things James shares with the hosts. They also cover operational requirements, deployment challenges, and performance considerations, in addition to discussing... Read more »
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Content provided by Packet Pushers. All podcast content including episodes, graphics, and podcast descriptions are uploaded and provided directly by Packet Pushers or their podcast platform partner. If you believe someone is using your copyrighted work without your permission, you can follow the process outlined here https://ppacc.player.fm/legal.
On today’s episode, guest James Henderson joins the Packet Pushers to discuss Cisco’s Network Service Orchestrator (NSO). NSO’s role in network automation, its declarative management approach, and the challenges it presents are some of the things James shares with the hosts. They also cover operational requirements, deployment challenges, and performance considerations, in addition to discussing... Read more »
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1 HN783: BGP Routing Policy for Enterprise Networkers: Unpacking IRR and RPSL 54:30
54:30 Play Later Play Later Lists Like Liked54:30
Play Later Play Later Lists Like LikedIf you participate in the public Internet by announcing your own netblocks, you should be familiar with Internet Routing Registries (IRRs) and the Routing Policy Specification Language (RPSL). These are tools that help you be a good network citizen. In a world of BGP hijacks and other problems, these tools matter more than ever. We ... Read more »…
1 HN782: Netris Meets Your Network Automation Challenges in AI Data Centers (Sponsored) 58:33
58:33 Play Later Play Later Lists Like Liked58:33
Play Later Play Later Lists Like LikedNetris is tackling the issue of automating multi-tenancy in an AI data center. Netris has your answer to this challenge, and it’s a solution certified to work with NVIDIA. We’re going to get into the nuts and bolts of Netris network automation with Alex Saroyan, CEO and co-founder of Netris. Along the way, we will ... Read more »…
1 HN781: CCIE Service Provider Free Workbook & Track Update 59:13
59:13 Play Later Play Later Lists Like Liked59:13
Play Later Play Later Lists Like LikedWhile studying for the CCIE Service Provider certification, Andrew Ohanian assembled a workbook to help him prepare. It’s packed with lab exercises, and Andrew has turned it into a free Web resource that anyone can access. On today’s Heavy Networking, we talk with Andrew about what’s in the guide, the state of the CCIE SP, ... Read more »…
1 HN780: The Whys and Hows of Automated Network Testing 1:03:53
1:03:53 Play Later Play Later Lists Like Liked1:03:53
Play Later Play Later Lists Like LikedOn today’s Heavy Networking we talk with Dan Wade about testing the network, inspired by Dan’s talk at AutoCon 2: “Step 0: Test the Network.” We discuss why testing is a good idea, and then explore four types of network testing, including unit tests and integration tests. We dig into Yang, RESTCONF, NETCONF and gNMI ... Read more »…
1 HN779: Do We Really Need the Modern Networking Stack? 55:15
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Play Later Play Later Lists Like LikedOn today’s Heavy Networking, a roundtable panel considers whether a modern network needs to be built around underlays and overlays. This isn’t just Ethan yelling at clouds. This is a legitimate question pondering the real-world value of an overlay/underlay approach. Is overlay everywhere overkill, or is that the architecture we need to deliver a safe, ... Read more »…
1 HN778: Understanding Model Context Protocol (MCP) with Selector (Sponsored) 50:47
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Play Later Play Later Lists Like LikedModel Context Protocol (MCP) is a very new protocol that provides a standard way to link AI models to a variety of data sources and tools. As the industry heads toward agentic AI–in which an AI agent interacts with disparate applications, data sources, and other agents to achieve a task–MCP provides the protocol glue. On ... Read more »…
Today’s Heavy Networking is all about overlay technologies, their history, development, and current state, both from engineer and vendor perspectives. We discuss why the industry turns to overlays to solve problems, and look at overlay and segmentation approaches including VXLAN, SRv6, and EVPN. We also drill into the idea that EVPN could become the standard ... Read more »…
1 HN776: Security Platforms: Balancing Efficacy, Ops, and Emerging Threats (Sponsored) 49:33
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Play Later Play Later Lists Like LikedNetwork security has evolved from stateful perimeter firewalls with maybe some IDS/IPS to a complex stack delivered as numerous unique tools, which often don’t talk to one another and may need to be operated by specialists. In this environment it’s hard to unify a security policy, troubleshoot problems, manage and operate tools, and respond effectively ... Read more »…
1 HN775: How To Train Your Very Own AI-Enabled Slackbot 1:03:59
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Play Later Play Later Lists Like LikedOn today’s Heavy Networking, we’ll discuss building a Slackbot wired to an AI and trained on your own organization’s knowledge. The potential use cases for network operations are fascinating, and today’s guest, Kyler Middleton is here to explain the finer details on how to do it and point us to free resources created so that ... Read more »…
1 HN774: Who Put These OT Risks In My IT Ops? Fortinet Has Answers (Sponsored) 46:53
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Play Later Play Later Lists Like LikedIT and infosec professionals are used to operating and protecting mission-critical infrastructure; servers, databases, load balancers, and so on. But what about valves that control the flow of gas or oil in a refinery? Temperature and vibration sensors that monitor industrial manufacturing processes? If you’re thinking “That’s not my problem” think again. There’s a whole ... Read more »…
1 HN773: Optimizing Ethernet for AI – An Update On the Ultra Ethernet Consortium 1:22:39
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Play Later Play Later Lists Like LikedThe Ultra Ethernet Consortium (UEC) is an industry body that aims to optimize Ethernet for AI and HPC use cases. On today’s Heavy Networking we get an overview of the UEC and an update on its efforts. We’re joined by J Metz and Rip Sohan, both heavily involved with the UEC. We discuss the consortium’s ... Read more »…
1 HN772: Measuring Users’ Digital Experience with Catchpoint Internet Performance Monitoring (Sponsored) 48:22
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Play Later Play Later Lists Like LikedDigital Experience Monitoring (DEM) is all about understanding a user’s application experience, and pinpointing problems if the experience is bad. Under the DEM umbrella, you’ll find Internet Performance Monitoring, or IPM. That’s our topic in today’s episode with sponsor Catchpoint. With more and more applications hosted in the cloud and more employees working remotely, organizations ... Read more »…
The CCIE remains the gold standard for networking certifications. But these days there are lots of other avenues for developing your skills and advancing your networking career, including network automation, cloud networking, and yes, even AI. So is the CCIE still worth it? We chew on this topic with Eman Conde. Eman has been known ... Read more »…
1 HN770: Deploying A Global Network in Minutes With Megaport (Sponsored) 35:53
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Play Later Play Later Lists Like LikedIn our conversation today with CTO Cameron Daniel of Megaport, we discuss their global WAN architecture, PoPs, use cases, the Megaport Cloud Router, and more. Megaport is our sponsor today. It’s accurate to describe Megaport as providing Network-as-a-Service. Megaport’s automated connectivity solutions enable rapid provisioning of circuits, contrasting sharply with traditional telcos. The discussion also ... Read more »…
1 HN769: CI/CD Pipelines and Network Automation 57:40
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Play Later Play Later Lists Like LikedContinuous Integration / Continuous Deployment (CI/CD) is a framework that developers use to help them manage and integrate frequent code changes. As network automation evolves, should network engineers adopt CI/CD? Guest Tony Bourke joins us to talk about CI/CD pipelines: what they are, how they’re used, and how they can support network automation efforts. We ... Read more »…
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1 HN768: Ctrl+Alt+Delivered App Routing Reinvented with Palo Alto Networks SD-WAN (Sponsored) 44:53
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Play Later Play Later Lists Like LikedConnecting your branch to your wide area network used to be simple enough. Call your carrier, get a circuit ordered, wait a long time, then turn it up. A little routing, and there you were. Cloud blew that model apart. Now when we connect branches to our corporate networks, we have to consider not only ... Read more »…
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1 HN767: Effective Networking on the Cheap 1:09:58
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Play Later Play Later Lists Like LikedUnless you’re building out AI infrastructure at a hyperscaler, you probably don’t have unlimited dollars. On today’s Heavy Networking we talk with guest Frank Seesink about how to build and operate networks effectively when money’s tight. We look at free and open source tools, talk about the trade-offs that come with free software, and how ... Read more »…
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1 HN 766: Ensuring QoE for Agentic AI With Broadcom VeloRAIN (Sponsored) 55:06
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Play Later Play Later Lists Like LikedOn today’s show, we’re discussing the complexities of network design for AI computing at the edge. We’re not talking about AIOps, although that might come up in this conversation. Instead, we’re focusing on how to effectively cope with the network traffic patterns happening on your network as a result of AI computing workloads. Our subject ... Read more »…
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1 HN765: Telecom In the Bahamas: Lessons In Resiliency 52:45
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Play Later Play Later Lists Like LikedMany of us have had network design discussions relating to natural disasters. What if a fire comes through? Or a flood? For most of us, those discussions don’t feel overly worthy of our attention. Yes, we should think about it. Yes, we should plan for it. If we’re really serious, we’ll even dust off the ... Read more »…
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1 HN764: Should You Pursue a Technical Leadership Role? 1:04:59
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Play Later Play Later Lists Like LikedDo you think you have what it takes to be a manager? Should you go for it? Laura Santamaria, host of the Technically Leadership podcast, joins Ethan Banks to discuss those questions. They talk about the motivations for moving into a management role, the challenges of managing people, and the need to understand the business ... Read more »…
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1 HN763: You Too Can Say ‘Yes’ to Packet Analysis 55:42
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Play Later Play Later Lists Like LikedPacket capture and packet analysis is incredibly useful for problem-solving and troubleshooting. Analyzing packets is also a difficult skill to master. With the incredible array of network troubleshooting tools at our disposal, including emerging networking models for artificial intelligence, do we still need to fuss around with Wireshark in 2025? Our guest Chris Greer says ... Read more »…
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Once you get past a handful of Python scripts, network automation can be…daunting. If you want to make network automation process-driven, repeatable, reliable, and something that doesn’t just rely on your scripts and the knowledge inside your head, there’s an entire landscape that opens up before you. Have you thought about network discovery? How about ... Read more »…
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1 HN761: Who Are You Building Automation For? An AutoCon2 Roundtable 1:02:27
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Play Later Play Later Lists Like LikedToday’s Heavy Networking comes to you from the AutoCon2 tech event being held in Westminster, Colorado. This episode was recorded in conference room on site at AutoCon2 in November, 2024. The format? Roundtable. Four network automators have raised their hand and brought topics they want to discuss. Those topics include: Crafting tools to “listen” to ... Read more »…
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1 HN760: Mitigate IoT/OT Vulnerabilities with Guided Virtual Patching (Sponsored) 42:55
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Play Later Play Later Lists Like LikedToday on Heavy Networking, sponsored by Palo Alto Networks, we explore how virtual patching can be used to protect IoT and OT devices. Virtual patching leverages intrusion detection and intrusion prevention, combined with threat research, to block exploits targeting IoT and OT devices. Why would you use virtual patching? When it comes to IoT and ... Read more »…
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1 HN 759: Deploying the BGP Monitoring Protocol (BMP) at ISP Scale 56:32
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Play Later Play Later Lists Like LikedThe BGP Monitoring Protocol, or BMP, is an IETF standard. With BMP you can send BGP prefixes and updates from a router to a collector before any policy filters are applied. Once collected, you can analyze this routing data without any impact on the router itself. On today’s Heavy Networking, we talk with Bart Dorlandt, ... Read more »…
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1 HN758: How Selector Built an AI Language Model for Networking (Sponsored) 55:54
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Play Later Play Later Lists Like LikedOn today’s episode, artificial intelligence with sponsor Selector.AI. If you’re curious and maybe still skeptical about the value AI brings to network operations, listen to this episode. Selector is on the forefront of AIOps for networking, building models that are customized and specifically targeted at networks. What Selector is doing is NOT simply the low-hanging ... Read more »…
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1 HN757: Building a DIY SD-WAN to Serve (Very) Remote Customers 49:29
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Play Later Play Later Lists Like LikedOn today’s episode, we chat with wireless ISP engineer Elijah Zeida. Elijah had an interesting connectivity challenge to solve for a remote mountain town that relies on a wireless connection for Internet access, and not much budget to solve it with. But he got it done by building his own SD-WAN using Mikrotik boxes and ... Read more »…
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1 HN756: Alkira Enhances Its Multi-Cloud Networking With ZTNA and Security (Sponsored) 47:04
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Play Later Play Later Lists Like LikedAlkira provides a Multi-Cloud Networking Service (MCNS) that lets you connect public cloud and on-prem locations using a cloud-delivered, as-a-service approach. But Alkira offers more than just multi-cloud connectivity. On today’s sponsored episode of Heavy Networking, we dig into Alkira’s full set of offerings, which include networking, visibility, governance, and security controls such as firewalls ... Read more »…
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1 HN755: Optimizing Ethernet to Meet AI Infrastructure Demands 1:09:49
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Play Later Play Later Lists Like LikedEthernet competes with InfiniBand as a network fabric for AI workloads such as model training. One issue is that AI jobs don’t tolerate latency, drops, and retransmits. In other words, AI workloads do best with a lossless network. And while Ethernet has kept up with increasing demands to support greater bandwidth and throughput, it was ... Read more »…
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1 HN754: Secure AI by Design with Palo Alto Networks (Sponsored) 52:37
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Play Later Play Later Lists Like LikedAI is finding its way into more and more consumer and business applications. In particular, the widespread use of Generative AI raises a serious question: how secure is it? In this sponsored Heavy Networking episode we discuss security risks of AI tools and ways to mitigate those risks. Our guest is guest Rich Campagna, Senior ... Read more »…
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1 HN753: Getting to Know Cisco’s Network Service Orchestrator (NSO) 1:08:37
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Play Later Play Later Lists Like LikedOn today’s episode, guest James Henderson joins the Packet Pushers to discuss Cisco’s Network Service Orchestrator (NSO). NSO’s role in network automation, its declarative management approach, and the challenges it presents are some of the things James shares with the hosts. They also cover operational requirements, deployment challenges, and performance considerations, in addition to discussing ... Read more »…
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1 HN752: How Digital Twins Enable Smarter Network Ops, Troubleshooting (Sponsored) 57:49
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Play Later Play Later Lists Like LikedOur topic today is digital twins. Sponsor Forward Networks offers software that creates a “mathematically accurate” copy of your network, be it on prem or in the cloud. We talk about what “mathematically accurate” actually means, and how a digital twin can support network operations including change control, network automation, visibility, and troubleshooting. We also ... Read more »…
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The Packet Pushers and guest Mason Reimert discuss strategies he’s using to prepare for the Cisco CCIE Enterprise Infrastructure lab exam. Mason shares practical tips for hands-on labbing for both established and emerging technologies like SD-WAN and SD-Access, resource management, virtualization tools, and automation. He also highlights the importance of understanding APIs, data formats, and ... Read more »…
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1 HN749: Expand Your Network Labs With Containerlab and Clabernetes 52:04
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Play Later Play Later Lists Like LikedOn today’s episode, we cover open source Clabernetes, a tool that allows you to run Containerlab on Kubernetes. Containerlab provides a CLI for orchestrating and managing container-based networking labs. It starts the containers, builds a virtual wiring between them to create lab topologies of your choice and manages the lab’s lifecycle. We discuss the answer ... Read more »…
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1 HN748: How AI and HPC Are Changing Data Center Networks 1:07:50
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Play Later Play Later Lists Like LikedOn today’s episode of Heavy Networking, Rob Sherwood joins us to discuss the impact that High Performance Computing (HPC)and artificial intelligence computing are having on data center network design. It’s not just a story about leaf/spine architecture. That’s the boring part. There’s also power and cooling issues, massive bandwidth requirements, and changes in how we ... Read more »…
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Our Heavy Networking guest today is Hans Driessens, and we sat down at AutoCon1 to talk through some of his network automation projects. Hans shares his journey from a service engineer to a consultant specializing in network automation. We discuss the evolution of programming languages, the importance of foundational programming skills, and the practicalities of ... Read more »…
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On today’s episode we delve into OSPF filtering. That is, how to filter routes from a device’s routing table in an OSPF environment. This is a tricky business, because OSPF requires an identical database on every device in an OSPF area. That means you can’t stop announcing a route from one OSPF router because you ... Read more »…
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Today’s episode of Heavy Networking comes to you from AutoCon1 in Amsterdam, recorded live on premises. In today’s network automation discussion, we cover abstraction layers with guest Jaakko Rautanen. Practically speaking, what are abstractions, and how do they help make your network automation project successful? We’ll also discuss some of our guest’s automation projects, how ... Read more »…
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1 HN744: How BackBox Helps You Mitigate CVEs for Network Devices (Sponsored) 44:10
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Play Later Play Later Lists Like LikedToday we explore a network automation use case for configuration compliance in the face of never-ending common vulnerabilities and exposures, or CVEs. If you can automate that compliance, you have a shot at keeping pace with the bots and attackers attempting to exploit those CVEs and breaching your network. Our guest is Rekha Shenoy, CEO ... Read more »…
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1 HN743: Leveraging AI for Network Automation at Scale (Sponsored) 49:01
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Play Later Play Later Lists Like LikedAI is making its way into network automation. Maybe the thought of a hallucinating ChatGPT getting its six-fingered hands on your network makes you want to run the other way. But the story of AI for IT operations is more nuanced than the hot takes we get about the confidently dumb results that Large Language ... Read more »…
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1 HN742: Designing a Real-World Hybrid Cloud Network 55:21
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Play Later Play Later Lists Like LikedOn today’s show we talk about designing a network to support hybrid cloud deployments. That is, building and operating a network to interconnect the Big Three US public clouds (GCP, AWS, and Azure) as well as on-prem infrastructure to support a variety of applications and workloads. The network design had to meet several requirements, including ... Read more »…
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1 HN741: History of Networking: How Bridging Saved Ethernet 47:59
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Play Later Play Later Lists Like LikedReady to take a trip back to the 1980’s and learn some networking history? We talk with Alan Kirby, who was there forty years ago when the first Ethernet bridge was created at Digital Equipment Corporation (DEC). He explains the story of why and how it came to be. We discuss how Ethernet compared to ... Read more »…
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1 HN740: IETF’s Network Management Operations (NMOP) Working Group 47:36
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Play Later Play Later Lists Like LikedWhen you think of IETF, you probably just think of defining protocols, but its new NMOP working group is all about helping network operators identify issues and deploy solutions, including those that pop up around automation. Mahesh Jethanandani is an Area Director (AD) for Management in IETF, which oversees the NMOP WG, and joins the ... Read more »…
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1 HN739: High Stakes Network Observability for High Frequency Trading 50:13
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Play Later Play Later Lists Like LikedHigh Frequency Trading in finance demands the utmost quality and speed from a network, making flawless observability a must. Our guest today is Radu Ionco from Jump Trading, and he tells us about how they built their own custom network observability platform, even creating a monitoring system for the monitoring system. We talk through streaming ... Read more »…
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1 HN738: Reducing Complexity With Fortinet’s Unified SASE (Sponsored) 49:52
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Play Later Play Later Lists Like LikedFortinet’s Unified SASE provides consistent security controls and policies both for traditional campuses and the hybrid workforce.. Nirav Shah joins us to explain how Fortinet is positioned to do this: a foundational software developed for 20 years, a network of over 140 POPs, a security lab with over 1,000 researchers, continuous ZTNA verification proxies, and ... Read more »…
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1 HN737: Greg Ferro: The Exit Interview 1:06:20
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Play Later Play Later Lists Like LikedGreg Ferro, co-founder of Packet Pushers, is signing off. After years of frustrating health issues, he’s decided to fully step back from podcasting and industry analysis to take care of himself. After 14 years, today is his last appearance on Heavy Networking. In this parting episode, Greg shares his final dose of incisive insights and ... Read more »…
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1 HN736: Understanding VMware by Broadcom (Sponsored) 1:02:24
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Play Later Play Later Lists Like LikedToday on Heavy Networking, sponsored by Broadcom, we talk about VMware’s transition under Broadcom’s ownership. The acquisition has led to big changes that rolled out very quickly, including how VMware sells products and services – subscription only licensing, bundles of products, a hard stop on sales of existing licenses, overhaul of license issuance, and more. ... Read more »…
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The variety and number of OT devices continue to grow at such a pace that network engineers really need to think through how to manage them as part of their broader network. Dan Massameno joins the show to talk about how he’s collaborating with his facilities department and using SD-Access to manage the OT virtual ... Read more »…
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1 HN734: Russ White Hour Part 2: Snowflakes and Network Automation 49:18
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Play Later Play Later Lists Like LikedWelcome to the second part of our interview with friend of the podcast, Russ White. We start our conversation with a listener question about VXLAN/EVPN which acts as a springboard for what Russ really thinks about network engineering these days. He defends network snowflakes, championing their power in business use cases. He questions the merit ... Read more »…
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1 HN733: Russ White Hour: IS-IS vs OSPF and a Deep Dive into Ethernet Adapters 47:52
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Play Later Play Later Lists Like LikedWe turn the nerd meter up to eleven on today’s episode with longtime friend of the show, Russ White. First we dive into how an Ethernet adapter knows when a link is lost, where Russ teaches us all about loss of carrier and OAM. He also gives us a tutorial on how the rest of ... Read more »
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Heavy Networking
1 HN732: Juniper’s PTX Platforms: 800GE and Double-Density 400GE for DC and WAN (Sponsored) 39:23
39:23 Play Later Play Later Lists Like Liked39:23
Play Later Play Later Lists Like LikedThe future has arrived: 800 gig Ethernet is here. Amit Bhardwaj and Dmitry Shokarev from today’s sponsor, Juniper Networks, join the show to tell us all about Juniper’s 800 gig Ethernet and what we need to know as engineers: use cases, transition plans, fiber and power needs (a lot less than you’d think). We also ... Read more »…
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Heavy Networking
1 HN731: GraphQL: Open Source Query Language for APIs 34:53
34:53 Play Later Play Later Lists Like Liked34:53
Play Later Play Later Lists Like LikedWhat if instead of sending multiple queries out to APIs and getting disparate data back, you could just send a single query and receive a single answer. That’s exactly what GraphQL does for you. Rick Donato joins the show today to teach us about GraphQL and how it can help us on the path to ... Read more »…
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Heavy Networking
1 HN730: Retail, Healthcare, Manufacturing and More Transform Their Branches with Next-Gen SD-WAN and SASE (Sponsored) 47:33
47:33 Play Later Play Later Lists Like Liked47:33
Play Later Play Later Lists Like LikedIf you haven’t made the leap from traditional wide area networking to SD-WAN, or perhaps you’re thinking about adding security services to your SD-WAN infrastructure, this episode is for you. Rajesh Kari from Palo Alto Networks joins the show to share customer stories from the front lines of multi-branch businesses’ networks. Industry verticals including retail, ... Read more »…
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Heavy Networking
With “The Cathedral and the Bazaar” as his guide, Srivats launched Ostinato, his open source project, in 2010. He needed an affordable network traffic generator at his day job, he was passionate enough to build one during his nights and weekends, and end users loved it– it has been downloaded hundreds of thousands of times. ... Read more »…
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Heavy Networking
1 HN728: How Drivenets Leverages Ethernet Fabrics For AI Networking (Sponsored) 47:48
47:48 Play Later Play Later Lists Like Liked47:48
Play Later Play Later Lists Like LikedTo run AI workloads, a network needs thousands of GPUs and those GPUs must operate in sync. If there is congestion or dropped frames, very expensive efforts could be delayed or disrupted. While there are advantages to using Ethernet for AI networking (including engineers well-trained in the protocol and a robust ecosystem), it wasn’t designed ... Read more »…
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Heavy Networking
1 HN727: Kubernetes Networking Essentials 1:06:50
1:06:50 Play Later Play Later Lists Like Liked1:06:50
Play Later Play Later Lists Like LikedWhere there are containers, there is networking. Today we dig into the networking that underlies Kubernetes, the open source orchestration platform for container-based applications. Our guest Karim El Jamali takes us through the essential concepts: Nodes, pods, clusters, CNIs, virtual ethernet pairs, ingress controller, eBPF, and service meshes. As container-based applications grow in popularity, it’s ... Read more »…
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Heavy Networking
1 HN726: From Automation to Orchestration for a FinTech Network (Sponsored) 47:48
47:48 Play Later Play Later Lists Like Liked47:48
Play Later Play Later Lists Like LikedFiserv is one of the largest payment processors in the world, In 2023 it handled more than 35 billion transactions worth $2.03 trillion US dollars. Its network is critical to the business. The organization knew it needed network automation, but early attempts got some things wrong. On today’s Heavy Networking we talk about how Fiserv ... Read more »…
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Heavy Networking
1 HN725: Standing up a DC Network Using Terraform 47:53
47:53 Play Later Play Later Lists Like Liked47:53
Play Later Play Later Lists Like LikedMatt Horn built a data center network through automation, remotely. This is the future of network engineering. Matt shares how his team did it technically: Terraform, a little Ansible, leveraging pipelines, etc. But he also shares the processes and culture that made it happen: Management and peer buy-in, tight enforcement based on user access, and ... Read more »…
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Heavy Networking
1 HN724: How Packets Move Through a Network Device 58:52
58:52 Play Later Play Later Lists Like Liked58:52
Play Later Play Later Lists Like LikedToday we metaphorically pop open the hood of switches and routers, taking a look at the mechanics of how they work. We cover the three states: configuration, operational, and forwarding. We talk RIB and FIB, along with CAM, TCAM, and MPLS. We also cover line rate, port-to-port latency, and buffers. Whether it’s been awhile since ... Read more »…
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Heavy Networking
1 HN723: ‘It’s like Legos’: Developing a Network Automation Framework 43:30
43:30 Play Later Play Later Lists Like Liked43:30
Play Later Play Later Lists Like LikedRight now, we have the building blocks for network automation, but we don’t have end-to-end designs or complete systems. It’s like having a bunch of Legos but no instructions for how to build your spaceship. Ryan Shaw, David Sinn, and their colleagues in the Network Automation Forum are tackling this problem. Their goal is to ... Read more »…
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Heavy Networking
1 HN722: Ivan Pepelnjak’s Netlab Eliminates the Tedious Bits of Labbing 59:40
59:40 Play Later Play Later Lists Like Liked59:40
Play Later Play Later Lists Like LikedOne dark day, Ivan Pepelnjak stopped labbing. He just couldn’t make himself yet again go through assigning addresses, building links, putting devices in place, setting up OSPF, BGP, VXLAN, EVPN, etc. before even being able to start whatever simulation or test he wanted to do. But from that darkness arose netlab. Ivan created netlab to ... Read more »…
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Heavy Networking
1 HN721: Goodbye Network Cowboys, Hello Total Network Operations 54:05
54:05 Play Later Play Later Lists Like Liked54:05
Play Later Play Later Lists Like LikedThe days of network cowboy heroism are over… or at least they need to be. It’s time for network engineering to grow up and standardize how networks are built. Not only will this make life easier for all of us as we inherit networks when we move from company to company, but it’s the only ... Read more »…
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Heavy Networking
1 HN720: What Yale Learned about RADIUS Load Balancing 45:03
45:03 Play Later Play Later Lists Like Liked45:03
Play Later Play Later Lists Like LikedYale’s efforts to load-balance RADIUS servers is a case study in system design for resiliency. First, there was a lone, redundant PSN. Next, F5s load balancers entered the picture. Then the network team realized a feature in IOS-XE was the answer… and brought Cisco along the learning journey with them. Hear it all from the ... Read more »…
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Heavy Networking
1 HN719: Meet SuzieQ, The Network Observability Application 56:46
56:46 Play Later Play Later Lists Like Liked56:46
Play Later Play Later Lists Like LikedGuest Dinesh Dutt introduces his newest creation, SuzieQ. It’s a network observability platform application that has both a free, open source version and an enterprise version. Lightweight, fast, and platform-agnostic, SuzieQ’s use cases include network documentation, troubleshooting, fabric-wide visibility, network refresh and redesign, low/no code validation, audits and compliance, and proactive health checks. Hosts Ethan ... Read more »…
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Heavy Networking
1 HN718: Prisma SASE Gets Clever With TCP For Better App And User Experiences (Sponsored) 49:26
49:26 Play Later Play Later Lists Like Liked49:26
Play Later Play Later Lists Like LikedRemote and hybrid work means network engineers have to grapple with lossy residential networks such as home wireless that your work-from-home folks are using to access company resources. Their Wi-Fi sucks, and so their use of corporate resources sucks. Sure, you’ve got them plumbed into a SASE fabric, but that doesn’t fix their user experience ... Read more »…
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Heavy Networking
1 HN717: Network Source(s) Of Truth – A Roundtable Discussion 1:14:26
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Play Later Play Later Lists Like LikedOn today’s episode, we discuss networking sources of truth. That’s right, sources of truth, because you’re likely to have more than one depending on your environment and your point of view. On LinkedIn, Ethan Banks quoted someone at the AutoCon0 conference who essentially said that the network itself shouldn’t be used as a source of ... Read more »…
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Heavy Networking
1 HN716: Design-Driven Network Automation And Assurance 48:17
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Play Later Play Later Lists Like LikedAt AutoCon0 in November 2023, guest Jeremy Schulman delivered a talk from the main stage about delivering network assurance. If the term “network assurance” doesn’t mean anything to you, think about how you prove after an install or a change that the network is doing what it’s supposed to be doing. If you’re doing it ... Read more »…
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Heavy Networking
1 HN715: Prescribing The Right Dose Of Automation For A Hospital Network 45:46
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Play Later Play Later Lists Like LikedAt NewYork-Presbyterian Hospital, patients are the priority. That focus on patient care extends to the hospital’s campus network, data center, wireless network, and SD-WAN. These networks are instrumental for delivering medical applications and connecting medical devices. On today’s Heavy Networking, we talk with network architects and engineers at NewYork-Presbyterian about their use of automation to ... Read more »…
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Heavy Networking
1 HN714: Building The Branch Of The Future With SASE Powered By AI (Sponsored) 42:56
42:56 Play Later Play Later Lists Like Liked42:56
Play Later Play Later Lists Like LikedSD-WAN is evolving to encompass more features and capabilities around security, application performance, network visibility, and more. On today’s Heavy Networking, sponsored by Palo Alto Networks, we look at how SD-WAN has transformed from a simple network connectivity solution to a comprehensive networking and security system. We discuss the limitations of legacy branch routers and ... Read more »…
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Heavy Networking
1 HN713: Network Automation: Where Are We, And Where Can We Go? 55:00
55:00 Play Later Play Later Lists Like Liked55:00
Play Later Play Later Lists Like LikedWelcome to Heavy Networking! On today’s show we’ve got a roundtable conversation on the state of automation in the networking industry. This show was inspired by the recent AutoCon conference, which is a new conference focused specifically on network automation. Ethan Banks and I both attended, as did two our guests, and we’re going share ... Read more »…
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Heavy Networking
1 HN712: FortiGuard Security Services: Invisible Operations, Tangible Results (Sponsored) 37:28
37:28 Play Later Play Later Lists Like Liked37:28
Play Later Play Later Lists Like LikedToday we’re talking security, but security you don’t always see. Fortinet, today’s sponsor, has millions of devices in the field. These are real-world devices seeing real-world traffic, all day, everyday. While those devices have a primary protection role, they can also serve as sensors that collect threat signals and feed threat intelligence services that can, ... Read more »…
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Heavy Networking
1 HN711: Get Cloud-Like Operation Of Your Data Center With Juniper Apstra And Terraform (Sponsored) 42:03
42:03 Play Later Play Later Lists Like Liked42:03
Play Later Play Later Lists Like LikedPublic clouds abstract away much of the nitty-gritty work that goes into provisioning infrastructure, including networking. Application teams can quickly connect resources and deploy applications without having to know much about the plumbing that links everything together. When they compare the public cloud experience to standing up applications in an on-prem data center, the on-prem ... Read more »…
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Heavy Networking
1 HN710: The Future Of Networking With Brad Casemore – Part 2 1:12:03
1:12:03 Play Later Play Later Lists Like Liked1:12:03
Play Later Play Later Lists Like LikedWe continue our Future of Networking series with part two of our conversation with Brad Casemore. Now retired, Brad has participated in the industry as both a technologist and IDC analyst. In this episode we look at the rise of zero trust and what it means for campus networking. We discuss how geopolitics influences IT ... Read more »…
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Heavy Networking
1 HN709: Protecting Data, Apps With Cloud DLP And CASB (Sponsored) 40:27
40:27 Play Later Play Later Lists Like Liked40:27
Play Later Play Later Lists Like LikedCloud environments often have poor visibility and monitoring, and sensitive corporate data can be placed in many different locations – object stores, databases, and so on. Maintaining access control is hard, and managing compliance and governance on that access and data is a real problem. And each cloud has its own proprietary security tools that ... Read more »…
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Heavy Networking
1 HN708: The Future Of Networking With Brad Casemore – Part 1 1:04:55
1:04:55 Play Later Play Later Lists Like Liked1:04:55
Play Later Play Later Lists Like LikedThe Future of Networking series continues with Brad Casemore, who survived multiple decades in the technology sector, including sixteen years as an analyst for IDC. He’s been a longtime observer of networking markets, technologies, and trends. Recently retired from the analyst business, we’ve invited Brad onto the show as a kind of exit interview to ... Read more »…
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