Why WebSockets over HTTP/2 (RFC8441) is Critical for Effective Load Balancing and Backend Scaling

The Backend Engineering Show with Hussein Nasser

English - March 21, 2021 01:22 - 16 minutes - 12.9 MB - ★★★★★ - 5 ratings
Technology Homepage Download Apple Podcasts Google Podcasts Overcast Castro Pocket Casts RSS feed

Previous Episode: How HTTP Compression Leaks Sessions and JWT - CRIME Explained and how HPACK in HTTP/2 fixes this

Next Episode: Slack's Migrating Millions of Websockets from HAProxy to Envoy, let's discuss

In this video, I'll discuss RFC8441 bootstrapping WebSockets with HTTP/2 which I believe a critical protocol to allow WebSockets tunneling to scale on the backend. We will also discuss the current state of the art of Proxy and Backend Supports for this tech. Let us have a discussion.

0:00 Intro

3:00 WebSockets over HTTP/2

7:40 Proxy Supports

13:15 Browsers Supports

14:00 Summary

RFC 8441

Resources

RFC8441

https://tools.ietf.org/html/rfc8441#section-4

nginx support

https://trac.nginx.org/nginx/ticket/1992

haproxy support