@agentdance/node-webrtc-sctp

RFC 4960 / RFC 8832 SCTP + DCEP for Node.js — part of the @agentdance/node-webrtc pure-TypeScript WebRTC stack.

Features

• Fragmentation & reassembly; SSN ordering
• Congestion control: cwnd / ssthresh / slow-start / congestion avoidance
• Fast retransmit on 3 duplicate SACKs; SACK gap blocks; FORWARD-TSN
• DCEP (RFC 8832): ordered, unordered, partial-reliability, pre-negotiated channels
• TSN wrap-around; clean SHUTDOWN sequence
• Zero native dependencies

Install

npm install @agentdance/node-webrtc-sctp

Usage

import { SctpAssociation } from '@agentdance/node-webrtc-sctp';

const sctp = new SctpAssociation(dtlsTransport, { role: 'client', port: 5000 });
await sctp.connect();
const channel = await sctp.createDataChannel('chat');
channel.send('hello');
sctp.on('datachannel', (ch) => ch.on('message', console.log));

Full Documentation

See the main package README for the complete API reference, usage examples, and architecture overview.

License

MIT