libp2p Weekly 2025-05-20

[p-shahi]

Previous occurrence: #3288

Discussion items

1. Chatty multistream select (eliminating round trips, implemented in js-libp2p) - already done in go-libp2p (optimistic MSS - Go runs MSS after Identify), rust-libp2p has lazy mode which reduces RTT
   a. unsound behavior - Lazy negotiation is unsound multiformats/go-multistream#20
2. Idea behind WebSocket package for libp2p fetch
3. move away from benjohnson/clock #3289
4. feat(simconn): Simulated Networks #3262 - Marco using more often and ready for review
5. After Megular Expressions multiformats/go-multiaddr#263 is merged and release - can change transport address checks in go-libp2p to be more precise
   a. https://github.com/ipfs/boxo/blob/eff95ad4d9470aab06b40f467e07293bf0936816/bitswap/network/http_multiaddr.go#L22
   b. https://github.com/ipfs/someguy/pull/110/files#diff-8c46052e776eee913eae1a7efa383b069f3b3df59bb0b574560f74a83faeebfeR26
6. Movement on WebTransport - updates from Apple/Safari Consider removing serverCertificateHashes w3c/webtransport#623 (comment)

Workstreams:

1. Address Pipeline:
   1. use AutoNAT v2 for verifying reachability
      1. basichost: use autonatv2 to verify reachability #3231
      2. libp2p connectivity check false positive with ipv6? ipshipyard/p2p-forge#7
   2. TODO: (@sukunrt ) Open an issue to measure the impact of the protocol
2. Rate limiting
   1. New Connections
      1. Need a way to set some state while rate limiting quic-go/quic-go#5013
      2. pass ClientInfo to ConnContext, allow rejecting of handshakes quic-go/quic-go#5122
      3. quicreuse: add some documentation for the package #3279
      4. quic: gate connections before handshake #3283
   2. New Streams
3. Megular Expressions multiformats/go-multiaddr#263
   1. Upping priority for review and merge this week
4. Update libp2p perf tests: chore: Update perf versions test-plans#643
   a. Prithvi to meet with Sukun to debug some issues on Thurs

Up next

Community PR Review

Other

1. Any callouts/travel/need help

[p-shahi]

Attendees: @achingbrain @MarcoPolo @sukunrt @p-shahi @aschmahmann