[quicwg/base-drafts] Packet header fields cannot be omitted (#3029)

Dmitri Tikhonov <notifications@github.com> Fri, 13 September 2019 14:07 UTC

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Date: Fri, 13 Sep 2019 07:07:06 -0700
From: Dmitri Tikhonov <notifications@github.com>
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Subject: [quicwg/base-drafts] Packet header fields cannot be omitted (#3029)
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At the top of page 66 of the [transport draft](https://tools.ietf.org/html/draft-ietf-quic-transport-23), we read:

```
   Every QUIC packet that is coalesced into a single UDP datagram is
   separate and complete.  Though the values of some fields in the
   packet header might be redundant, no fields are omitted.  The
   receiver of coalesced QUIC packets MUST individually process each
   QUIC packet and separately acknowledge them, as if they were received
   as the payload of different UDP datagrams.  For example, if
   decryption fails (because the keys are not available or any other
   reason), the receiver MAY either discard or buffer the packet for
   later processing and MUST attempt to process the remaining packets.
```

The second sentence seems to imply that a field *could* be omitted.

Does this sentence sound odd to anyone else?

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