> Does http/3 even send 1500 byte packets ever? Iirc quic has a hard MTU cap at ... | Hacker News

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klabb3 on Aug 14, 2023 | parent | context | favorite | on: The world in which IPv6 was a good design (2017)

> Does http/3 even send 1500 byte packets ever?

Iirc quic has a hard MTU cap at 1280 bytes.

cyberax on Aug 14, 2023 [–]

Nope. QUIC requires the _minimum_ MTU of 1280: https://datatracker.ietf.org/doc/html/rfc9000#name-datagram-...

The maximum permitted size is 65527 (max_udp_payload_size).

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