Slack started migrating from HAProxy to Envoy for their backend architecture, in this video, I’ll discuss their recent article when they moved the WebSockets portions, why they moved from HAProxy to Envoy and their production plans.
Resources
Article https://slack.engineering/migrating-millions-of-concurrent-websockets-to-envoy/
RFC8441 https://tools.ietf.org/html/rfc8441
3:15 Websockets Crash Course https://youtu.be/XgFzHXOk8IQ
9:50 HAProxy Runtime API https://youtu.be/JjXUH0VORnE
20:00 Slack Jan 4th outage https://www.youtube.com/watch?v=dhZ5--R42AM
23:00 RFC8441 Bootstrapping Websockets HTTP/2 https://youtu.be/wLdxC9gesBs
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