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receivers cannot enforce datagram padding (though they may drop) #4254

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8 changes: 3 additions & 5 deletions draft-ietf-quic-transport.md
Expand Up @@ -4086,11 +4086,9 @@ UDP datagrams MUST NOT be fragmented at the IP layer. In IPv4
fragmentation on the path.

Datagrams are required to be padded under some conditions. However, the
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size of the datagram is not authenticated, and endpoints might send coalesced
packets after the handshake is confirmed; see {{packet-coalesce}}. Therefore,
an endpoint MUST NOT close a connection when it receives a datagram that does
not meet size constraints, though the endpoint MAY discard such
datagrams.
size of the datagram is not authenticated. Therefore, an endpoint MUST NOT
close a connection when it receives a datagram that does not meet size
constraints, though the endpoint MAY discard such datagrams.


## Initial Datagram Size {#initial-size}
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