Re: [quicwg/base-drafts] Why do we have final size? (#3739)

[Mike Bishop <[e-mail]>]

@MikeBishop commented on this pull request.



> +The final size of a stream is always signaled to the recipient.  The final size
+is the sum of the Offset and Length fields of a STREAM frame with a FIN flag,
+noting that these fields might be implicit.  Alternatively, the Final Size field
+of a RESET_STREAM frame carries this value.  This ensures that all ways that a
+stream can be closed result in the number of bytes on the stream being reliably

Both the Offset and Length fields can be implicit.  As discussed above, it would be unusual (at least with HTTP/3 for both to be implicit, but it's certainly allowed.  I think if the fields specifically get mentioned, the aside that they might be implicit needs to remain.  If we switch to pointing to the values, we could drop that, but it might be confusing to some people.

FIN isn't a field, and isn't contemplated by the aside about implicit fields.

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