Socket Migration for SO_REUSEPORT

Explore socket migration techniques for SO_REUSEPORT in this informative conference talk from the Linux Plumbers Conference. Delve into traditional approaches without SO_REUSEPORT, examine workarounds such as FD Passing and connection draining with BPF, and understand the 3-way handshake -SYN process. Learn about various connection types and the intricacies of socket migration, including how to migrate sockets and why this feature is disabled by default. Gain valuable insights into advanced networking concepts and optimization strategies for Linux systems.

Intro
Traditional approaches without SO_REUSEPORT
Workaround 1 - FD Passing
Workaround 2 - Connection draining with BPF
3-way handshake -SYN
Connection types
Socket migration
How to migrate sockets
Why disabled by default?