Podcast · Tech & Science
by Packet Pushers · English · Tech & Science
Heavy Networking is an unabashedly nerdy dive into all things networking. Described by one listener as "verbal white papers," the weekly episodes feature network engineers, industry experts, and vendors sharing useful information to keep your professional knowledge sharp and your career growing.…
2 Oct 2026 · 1 hr 7 min
Today’s show puts the “heavy” in Heavy Networking with a discussion about Multipath Reliable Connection (MRC). MRC is about getting an even distribution of RDMA traffic across equal cost multipath links in massive data centers, and doing so over plain old lossy Ethernet. Ethan, Drew, and guests discuss how packet spraying, resilience to link and ... Read more »
E843 · 25 Sep 2026 · 59 min
Drew and Ethan talk with Kevin Nanns about his journey from network engineer to network architect. Kevin shares his experience grappling with the shift in responsibilities, increased pressure, and communication and management challenges associated with his new role. They also discuss his content creation work on TikTok and his strategies for translating complex technical concepts ... Read more »
E842 · 18 Sep 2026 · 1 hr 13 min
Q-Day signals the public emergence of a cryptographically relevant quantum computer that can break public key encryption. The date of Q-Day is unknown but the tech industry is making preparations now. Bill Dockery joins Drew and guest host Scott Robohn to dig into Post Quantum Cryptography (PQC), what network engineers need to know to test ... Read more »
E841 · 11 Sep 2026 · 59 min
In this sponsored episode, Kyle Baxter and Sridhar Katere from HPE join Drew to talk about automating enterprise data center networks. They discuss how HPE integrates its Apstra and Mist products to bring AI ops and self-driving capabilities into data center operations. They also break down how HPE leverages the different strengths of each platform, ... Read more »
E840 · 4 Sep 2026 · 51 min
When engineers look to buy new technology they tend to focus on features and functionality, but there’s more to it than that. Sian Morgan joins Drew and Ethan to discuss the best practices involved in making a good technology buying decision. Sian shares how engineers can align their technical focus with broader business objectives, calculate ... Read more »
E839 · 28 Aug 2026 · 56 min
If you think of BlueCat as just an IPAM or DDI company, think again. BlueCat acquired LiveAction in 2024, and since then, they’ve been working to integrate LiveAction’s network observability capabilities with the DDI portfolio. In this sponsored episode, Ryan Grande, Field CTO at BlueCat, is here to dig into how network observability and DDI ... Read more »
E838 · 21 Aug 2026 · 1 hr 5 min
What does it take to build your own AI agent that could help with day-to-day network tasks? Hank Preston, a Distinguished Architect at Cisco, asked himself that question. He developed a presentation that walks through all the elements one might need to build such an agent, as well as the risks to consider. On today’s ... Read more »
E837 · 7 Aug 2026 · 1 hr 5 min
Ethan Banks sits down with Eduard Dulharu live at AutoCon 5 to explore how agentic AI can be used to reduce Mean Time to Recovery (MTTR) for complex network environments. Eduard breaks down how these AI agents leverage deterministic workflows and custom fine-tuned models to analyze telemetry and propose solutions. Through the use of agentic ... Read more »
E836 · 31 Jul 2026 · 55 min
As more applications and services rely on AI inferencing, that means more traffic on the WAN. Yes, bandwidth can solve a lot of problems, it’s not unlimited and AI inference traffic still has to share pipes with other flows. That means things like WAN latency, determinism, security, and traffic engineering are just as important as ... Read more »
E835 · 24 Jul 2026 · 1 hr 10 min
Shortest Path Bridging (SPB) remains an intriguing and reliable fabric technology, offering a unique approach to Ethernet that differs from more widely deployed fabrics such as EVPN/VXLAN. Jeff Wilson joins Ethan and Drew to share his experience designing and managing SPB-based fabrics. Together they discuss how SPB simplifies multicast, essential hardware design considerations for scaling, ... Read more »
E834 · 17 Jul 2026 · 53 min
In this sponsored episode, HPE’s Sunalini Sankhavaram and Jose Tellado discuss the architectural evolution toward self-driving networks. Together with Ethan and Drew, they break down how integrating agentic AI enables an autonomous architecture capable of being proactive and not just reactive. They also discuss the importance of maintaining human trust in autonomous systems and how ... Read more »
E833 · 26 Jun 2026 · 1 hr 13 min
Ethan and Drew gather the rest of the Packet Pushers team to discuss the State of the Packet Pushers Network. Together they provide a behind the scenes look into current initiatives like adding video and raising the standards of our audio. They also share the details of the workflows behind all your favorite shows and ... Read more »
E832 · 19 Jun 2026 · 46 min
AI has complicated network automation. It has created questions: If AI generates code for me, do I need to learn Python? Should I be writing a script to gather network information if I can dispatch an AI agent to gather that information for me instead? What new skills can I skip obtaining if AI stands ... Read more »
E831 · 12 Jun 2026 · 56 min
Your network is an interconnected system. A change you make on one device has consequences beyond that device. Therefore, to do your job well, you must think about the network as a whole. That’s the big idea behind a blog post written by guest Jason Gintert. He joins Ethan and Drew to talk about how ... Read more »
E830 · 5 Jun 2026 · 57 min
If you think Tailscale is just a VPN for the home lab, think again. On today’s sponsored episode Ethan and Drew are joined by Tailscale CEO Avery Pennarun. Avery explains how the company has evolved into an enterprise-grade connectivity and security platform. He also dives into Tailscale Aperture, their new AI gateway designed to bring ... Read more »
E829 · 29 May 2026 · 54 min
Drew and Ethan sit down with Tony Bourke to determine whether TradCore or EVPN VXLAN is right for your network. Tony is a seasoned instructor in automation, network design, and more. They explore the key factors for choosing a design, including scale and redundancy, operational complexity, and workload mobility. AdSpot Sponsor: Auvik Sponsor Auvik Network ... Read more »
E828 · 22 May 2026 · 46 min
Selector is extending its AI-driven network observability capabilities into public clouds. On today’s sponsored episode, we dig into how Selector gathers and analyzes public cloud network telemetry, how it integrates cloud and on-prem network data to provide end-to-end visibility, how it integrates with third-party Application Performance Monitoring (APM) systems to correlate network and application performance, ... Read more »
E827 · 15 May 2026 · 1 hr 13 min
Today’s episode covers buffers, the space between ingress and egress where a packet might have to live for a fraction of a second if the egress port is tied up transmitting other packets. This topic came courtesy of John Howard who joins Drew and Ethan as a co-host to discuss buffers with guest Rob Sherwood. How ... Read more »
E826 · 8 May 2026 · 35 min
A Mastercard survey reveals that 46% of small and medium businesses have experienced a cyberattack, and nearly 20% of those that suffered an attack were then forced to file for bankruptcy or close their business. Ethan and Drew along with guest Shivam Srivastava discuss a new offering from today’s sponsor, Palo Alto Networks: Prisma Browser ... Read more »
E825 · 1 May 2026 · 55 min
Dijkstra’s algorithm is the foundation of shortest path calculations for link state routing protocols. But researchers have developed a new algorithm that improves on this decades-old approach. Today’s Heavy Networking welcomes Dr. Bruce Davie to discuss the potential of this new algorithm to unseat Dijkstra. After thoughtful consideration, and consultation with others, his opinion is ... Read more »
E824 · 24 Apr 2026 · 1 hr 1 min
On today’s sponsored Heavy Networking, we get off the AI hype train to talk about how different artificial intelligence techniques usefully impact network operations—and where they aren’t a fit. The various forms of AI represent a set of tools that, like any tool, have use cases, capabilities, and limitations. Our guest is Avi Freedman, CEO ... Read more »
E823 · 17 Apr 2026 · 51 min
On today’s episode Ethan is joined by Mark Prosser, a self-described Network Operator Advocate and Network Automation Dreamer, to embark on a thought exercise about network services. Together they grapple with questions such as: What is a network service, exactly? How is it defined? Is it even possible to define it when considered in the ... Read more »
E822 · 10 Apr 2026 · 1 hr 12 min
On today’s sponsored episode we talk with David Gee, CEO at Curvium, a systems integrator and VAR. David holds thoughtful opinions about network automation and orchestration, how such platforms are to be built, and the impact AI is having on network automation. We dig into how AI fundamentally changes how we interact with systems, and ... Read more »
E821 · 3 Apr 2026 · 56 min
Ethan Banks sits down with Ryan Hamel at the 96th North American Network Operators’ Group (NANOG96). Ryan, a network automation developer for the Zayo Group, talks about why boring network design is actually a good thing. He and Ethan explore why simplicity and standardization are key to long-term success. They also emphasize the importance of ... Read more »
E820 · 27 Mar 2026 · 39 min
Palo Alto Networks released a slew of product news at the 2026 RSA conference around AI security, SASE, and a new certificate lifecycle management offering. On today’s Heavy Networking, sponsored by Palo Alto Networks, Ethan and Drew dig into these announcements to get details about how they work. They also talk about the risks of ... Read more »
E819 · 20 Mar 2026 · 1 hr 2 min
Eric Chou, author of the AI Networking Cookbook and host of Network Automation Nerds, joins Ethan and Drew to discuss adding artificial intelligence to your network automation toolbox. The AI Networking Cookbook is aimed at network engineers and provides a systematic approach to learning AI for network automation. Together they break down pros and cons ... Read more »
E817 · 6 Mar 2026 · 57 min
Software Defined Networking (SDN) is a centralized architecture in which a controller, or a hierarchy of controllers, runs software that computes network-engineered paths and pushes that forwarding scheme into the network. It’s also very complex, which can lead to network failures. What if there was a way to keep the benefits of SDN while also ... Read more »
E816 · 27 Feb 2026 · 59 min
Our topic today is the designing and building of high-performance networking hardware. If you assume the hardware details don’t matter, you’re missing the intentional engineering required to build truly reliable and quiet infrastructure. In this sponsored episode, we discuss Meter’s hardware philosophy with our guest, Joshua Markell, Head of Hardware at Meter. Joshua walks us ... Read more »
E815 · 20 Feb 2026 · 1 hr 14 min
Traditional routing protocols like OSPF simply choose the “shortest” path. If the shortest path is full of traffic and there are alternate paths carrying nothing, OSPF can’t help you. Path Computation Element (PCE) along with Path Computation Element Protocol (PCEP) is a way to construct forwarding paths through the network based on factors that distributed ... Read more »
E814 · 13 Feb 2026 · 48 min
Our topic today is building and running network workflows. If your network workflows live in a spreadsheet, a SharePoint document, or in your head, you really need a workflow manager. A workflow manager brings scalability, repeatability, and consistency to your network operations team. In this sponsored episode, we discuss Cisco Crosswork Workflow Manager. Our guests ... Read more »
Heavy Networking is an unabashedly nerdy dive into all things networking. Described by one listener as "verbal white papers," the weekly episodes feature network engineers, industry experts, and vendors sharing useful information to keep your professional knowledge sharp and your career growing. Hosts Ethan Banks & Drew Conry-Murray cut through the marketing spin to explore what works—and what doesn't—in networking today, while keeping an eye on what's ahead for the industry. On air since 2010, Heavy Networking is the flagship show of the Packet Pushers podcast network.
Heavy Networking is a English tech & science podcast from Packet Pushers. Melo plays each episode straight from the publisher's own feed — no ads added, no account needed — and remembers where you stopped, in this browser only.
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