vac:p2p:ift:2025q3-nimlibp2p-autonat-v2
Implement AutoNAT V2 based on the libp2p specification.
Task List
Client
- fully qualified name:
vac:p2p:ift:2025q2-nimlibp2p-autonat-v2t:client - owner: gabe
- status: 100%
- start-date: 2025-07-01
- end-date: 2025-09-10
Description
Implement client side, constructing and sending DialRequest, handling DialDataRequest/DialDataResponse exchange,
validate nonce on DialBack and parse DialResponse.
Ensure interop against other implementations
Deliverables
- PR:
- nim-libp2p#1659 feat: add client and tests
- nim-libp2p#1657 chore: add utils
- nim-libp2p#1654 chore: pass localAddr in noise, mplex and yamux
- nim-libp2p#1651 chore: add localAddr to Connection
- nim-libp2p#1637 chore: add message types
Server
- fully qualified name:
vac:p2p:ift:2025q2-nimlibp2p-autonat-v2:server - owner: gabe
- status: 100%
- start-date: 2025-07-01
- end-date: 2025-09-10
Description
Address selection, dial address, send DialBack, handle nonce and do amplification check.
Ensure interop against other implementations
Deliverables
- PR
- nim-libp2p#1680 chore: rename withAutonatV2 to withAutonatV2S
- nim-libp2p#1669 chore: add server config
- nim-libp2p#1658 feat: add server
Service
- fully qualified name:
vac:p2p:ift:2025q2-nimlibp2p-autonat-v2:service - owner: gabe
- status: 100%
- start-date: 2025-09-10
- end-date: 2025-09-12
Description
Create a service that determines if the node is reachable behind NAT by asking connected peers to dial it back, maintains a sliding-window confidence, and periodically reschedules checks, and (when reachable) rewrites listen addrs to dialable ones
Deliverables
- PR
- nim-libp2p#1684 feat: add autonatv2 service
- nim-libp2p#1686 chore: add autonatv2 service to builder
Interop
- fully qualified name:
vac:p2p:ift:2025q2-nimlibp2p-autonat-v2:interop - owner: gabe
- status: 100%
- start-date: 2025-09-15
- end-date: 2025-09-18
Description
Ensure there’s interop in both client and server of AutonatV2 against other libp2p implementations
Deliverables
- vacp2p/nim-libp2p/#1695 chore(autonat-v2): add interop tests