Re: [quicwg/base-drafts] Define INITIAL_PRIORITY frame and remove exclusive dependencies (#2075)

[Lucas Pardue <[e-mail]>]

LPardue commented on this pull request.



> @@ -825,6 +821,70 @@ MUST be treated as a connection error of type HTTP_MALFORMED_FRAME.
 A server MUST treat a MAX_PUSH_ID frame payload that does not contain a single
 variable-length integer as a connection error of type HTTP_MALFORMED_FRAME.
 
+### INITIAL_PRIORITY {#frame-initial-priority}
+
+The INITIAL_PRIORITY (type=0x0F) frame specifies the client-advised priority of
+a new stream.  INITIAL_PRIORITY frames MAY be sent as the first frame of a
+request stream, and MUST NOT be sent thereafter or on other streams.  An
+INITIAL_PRIORITY frame sent on a non-request stream MUST be treated as a
+connection error of type HTTP_WRONG_STREAM.  An INITIAL_PRIORITY frame received
+after other frames or received by a client MUST be treated as a stream error of
+type HTTP_UNEXPECTED_FRAME.

Suggestion to break this out

INITIAL_PRIORITY frames MAY be sent as the first frame of a
request stream and MUST NOT be sent thereafter. An INITIAL_PRIORITY 
frame received after other frames MUST be treated as a stream error of
type HTTP_UNEXPECTED_FRAME.

INITIAL_PRIORITY frames sent on a non-request stream MUST be treated as a
connection error of type HTTP_WRONG_STREAM. 

INITIAL_PRIORITY frames received by a client MUST be treated as a stream error of
type HTTP_UNEXPECTED_FRAME.

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