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For "why not SCTP" please see prior discussions [0] 0. https://hn.algolia.com/?query=%22quic%22%20%22sctp%22&type=all&dateRange=all&prefix&page=0&sort=byDate h

• wahern 8y ago
  Odd that (AFAICT) nobody mentions the most obvious and useful feature of SCTP compared to QUIC: SCTP preserves message boundaries. That's immensely useful in almost every scenario other than existing protocols (like HTTP) that reinvent chunking. Building on that, SCTP also supports optional unordered delivery--so reliable but unordered message delivery. I didn't know about this before confirming message boundary preservation with the RFC.