Heavy Networking

Heavy Networking


Latest Episodes

HN726: From Automation to Orchestration for a FinTech Network (Sponsored)
March 22, 2024

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

HN725: Standing up a DC Network Using Terraform
March 15, 2024

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

HN724: How Packets Move Through a Network Device
March 08, 2024

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

HN723: ‘It’s like Legos’: Developing a Network Automation Framework
March 01, 2024

Right now, we have the building blocks for network automation, but we dont have end-to-end designs or complete systems. Its like having a bunch of Legos but no instructions for how to build your sp

HN722: Ivan Pepelnjak’s Netlab Eliminates the Tedious Bits of Labbing
February 23, 2024

One dark day, Ivan Pepelnjak stopped labbing. He just couldnt make himself yet again go through assigning addresses, building links, putting devices in place, setting up OSPF, BGP, VXLAN, EVPN, e

HN721: Goodbye Network Cowboys, Hello Total Network Operations
February 16, 2024

The days of network cowboy heroism are over or at least they need to be. Its time for network engineering to grow up and standardize how networks are built. Not only will this make life easier for

HN720: What Yale Learned about RADIUS Load Balancing
February 09, 2024

Yales 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 t

HN719: Meet SuzieQ, The Network Observability Application
February 02, 2024

Guest Dinesh Dutt introduces his newest creation, SuzieQ. Its a network observability platform application that has both a free, open source version and an enterprise version. Lightweight, fast, a

HN718: Prisma SASE Gets Clever With TCP For Better App And User Experiences (Sponsored)
January 26, 2024

Remote 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

HN717: Network Source(s) Of Truth – A Roundtable Discussion
January 19, 2024

On todays episode, we discuss networking sources of truth. Thats right, sources of truth, because youre likely to have more than one depending on your environment and your point of view. On Linke