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When I recorded the first podcast with Thomas Graf we both found it so much fun that we decided to do it again. Thomas had attended the NetDev 1.2 conference so when we met in November 2016 we warmed up with What’s NetDev and then started discussing the hot new networking stuff being added to Linux kernel:
A while ago I decided it's time to figure out whether it's better to drop or to delay TCP packets, and quickly figured out you get 12 opinions (usually with no real arguments supporting them) if you ask 10 people. Fortunately, I know someone who deals with TCP performance for living, and Juho Snellman was kind enough to agree to record another podcast.
From the moment Cisco and VMware announced VXLAN some networking engineers complained that they'd lose visibility into the end-to-end path. It took a long while, but finally the troubleshooting tools started appearing in VXLAN environment: NVO3 working group defined Fault Managemnet framework for overlay networks and Cisco implemented at least parts of it in recent Nexus OS releases.
You'll find more details in Software Gone Wild Episode 69 recorded with Lukas Krattiger in November 2016 (you can also watch VXLAN Technical Deep Dive webinar to learn more about VXLAN).
In Software Gone Wild Episode 52 Katerina Barone-Adesi explained how Igalia implemented 4-over-6 tunnel termination (lwAFTR) with Snabb Switch. Their solution focused on very fast data plane and had no real control plane.
No problem – there are plenty of stable control planes on the market, all we need is some glue.
A few weeks ago Matt Oswalt wrote an interesting blog post on principles of automation, and we quickly agreed it’s a nice starting point for a podcast episode.
In the meantime Matt moved to StackStorm team so that became the second focus of our chat… and then we figured out it would be great to bring in Matt Stone (the hero of Episode 13).
During our summer team-building podcast we agreed it would be fun to record a few episodes along the “how do I become a programmer” theme and figured out that Elisa Jasinska would be a perfect first candidate.
A few weeks ago we finally got together and started our chat with campfire stories remembering how we got started with networking and programming.
We did a podcast describing NAPALM, an open-source multi-vendor abstraction library, a while ago, and as the project made significant progress in the meantime, it was time for a short update.
NAPALM started as a library that abstracted the intricacies of network device configuration management. Initially it supported configuration replace and merge; in the meantime, they added support for diffs and rollbacks
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