Re: [quicwg/base-drafts] Close the connection if MAX_STREAMS is too large (#2499)

Kazuho Oku <> Thu, 07 March 2019 00:56 UTC

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From: Kazuho Oku <>
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Subject: Re: [quicwg/base-drafts] Close the connection if MAX_STREAMS is too large (#2499)
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kazuho commented on this pull request.

> @@ -849,7 +849,10 @@ initial_stream_id_for_type) can be opened (see {{long-packet-types}}).  Initial
 limits are set in the transport parameters (see
 {{transport-parameter-definitions}}) and subsequently limits are advertised
 using MAX_STREAMS frames ({{frame-max-streams}}). Separate limits apply to
-unidirectional and bidirectional streams.
+unidirectional and bidirectional streams. When a MAX_STREAMS frame is received
+that permits more streams than can be expressed by the stream ID
+(i.e. greater than 2^60 - 1), the connection MUST be immediately closed with a

@martinthomson's text looks fine with one exception: s/a value of 2^60 or greater/a value greater than 2^60/.

2^60 is a valid number to be carried by MAX_STREAMS.

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