Re: [quicwg/base-drafts] Allow not creating QPACK codec streams (#2529)

[afrind <[e-mail]>]

afrind commented on this pull request.



>  HTTP_WRONG_STREAM_COUNT. These streams MUST NOT be closed. Closure of either
 unidirectional stream type MUST be treated as a connection error of type
 HTTP_CLOSED_CRITICAL_STREAM.
 
+An endpoint MAY avoid creating its own encoder stream if the maximum size of
+the dynamic table permitted by the peer is zero.
+
+An endpoint MAY avoid creating its own decoder stream if the maximum size of
+its own dynamic table is zero.
+
+An endpoint MUST allow its peer to create both encoder and decoder streams

> However, the server still needs to keep giving credit as streams close until those three are opened at least.

There's a difference between "must give >= 3 initial uni credits" and "must always have enough credit to open the control+qpack streams".  Do we have consensus on what the requirement should be?  I'm inclined to say it's the former.  Don't burn your credits on grease/push/extensions if you're going to need the other streams.

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