To 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 »
Today Tom, Scott, and Ed discuss the exciting announcement in IPv6 world: Microsoft is expanding its CLAT support in Windows 11. This means enterprises can be even more comfortable transitioning to a IPv6-only network: Now not only do they have DNS64 and NAT64 to translate IPv4 to IPv6, but they have CLAT for any apps... Read more »
Today Austin Hawthorne from Nile joins us to dig into the company’s Network as a Service (NaaS) approach and how it differentiates from traditional networking solutions. Nile aims to streamline network deployment and operations by providing a complete network service: It performs the site survey, provides the switches and access points, brings the gear on... Read more »
Where 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 »
Life isn’t easy for someone looking for a job in tech. There are lots of content mills pushing the idea that if you just pass this one six-month course, you’ll have a six-figure career in no time. There are lots of hiring companies who make job applicants jump through a ton of hoops, but often... Read more »
Welcome to a crossover episode with the Packet Protector podcast! You’re already running IPv6, even if you don’t know it yet. Your remote users are using it at their homes, your printers come with it built into the kernel, your generals are using it on their mobile phones (check out our news headlines section). So... Read more »
On today’s Tech Bytes, we explore SR Linux, the network operating system developed by today’s sponsor Nokia. Why should you care about the network OS running in your data center? Nokia designed SR Linux to support automation, orchestration, and customization. We’ll dig into SR Linux’s support for YANG and gNMI and how that ties into... Read more »
Fiserv 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 »
For years, Johannes Weber has heard network engineers around the world repeat the myth that IPv6 is more of a hassle than IPv4. So he made a list: “Why IPv6 is better than IPv4.” Don’t worry, solving global address exhaustion isn’t on it. In this episode, Johannes goes over his list with precision and passion... Read more »
In this podcast episode, Randy Horton from Orthogonal and Ian Sutcliffe from AWS discuss the complexities of supporting regulated medical devices in the cloud. They explore the challenges of adhering to regulations, the importance of security, and the need for robust frameworks. The conversation highlights the non-prescriptive nature of regulations, encouraging best practices rather than... Read more »
Medical devices are an essential element of patient care. They’re also network-connected devices that need resilient connectivity and security. On today’s Tech Bytes we examine the challenges of supporting and securing connected medical devices, including threats, vulnerabilities, and regulatory frameworks. We’ll also discuss strategies and best practices to manage medical device risks and ensure the... Read more »
Matt 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 »
Today 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 »
If you’ve been wondering about the double colons and letters you’re seeing in IPv6 addresses, this is the episode for you. Tom and Scott break down IPv6 addressing, starting with the basics of binary and taking you all the way through the etiquette of not using capital letters in Layer 3 addressing (we’re looking at... Read more »
Today we welcome a new co-host, Kyler Middleton, to the Day Two Cloud podcast. Kyler grew up in rural Western Nebraska, fixing neighboring farmers’ computers in exchange for brownies and Rice Krispies. Now she’s the newest co-host for Day Two Cloud… perhaps a lateral move, given the lack of baked goods. Kyler will draw on... Read more »
Right 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 »
Chances are, you’ve probably only heard of GovCloud because at the bottom of new feature releases from the Big 3 there’s usually an asterisk that says “not yet available in GovCloud.” So what is GovCloud? And why does it not get the newest shiny thing as fast as the rest of us? Chris Wahl has... Read more »
One 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 »
Are you on the IPv6 hit list? Does your CPE device have Recommended Simple Security Capabilities? Are your ULA prefixes unique, but still manageable? Do you have a protection method structure or are you just hoping that the IPv6 space is so vast the bad guys will never find you? Tom Coffeen and Scott Hogg... Read more »
Broadcom’s acquisition of VMware has generated a lot of anxiety among VMware customers. In this episode, we closely analyze the situation. First, we look at Broadcom’s past acquisitions in the infrastructure sector. Then we examine the product alignment and possible new product offerings and whether the acquisition will hamper innovation and development. We also cover... Read more »
Katie Dunn