Re: [quicwg/base-drafts] Clients can send GOAWAY too (#3129)

Martin Thomson <> Wed, 22 January 2020 01:39 UTC

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Date: Tue, 21 Jan 2020 17:39:01 -0800
From: Martin Thomson <>
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Subject: Re: [quicwg/base-drafts] Clients can send GOAWAY too (#3129)
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martinthomson commented on this pull request.

> -
-Once all accepted requests have been processed, the server can permit the
-connection to become idle, or MAY initiate an immediate closure of the
-connection.  An endpoint that completes a graceful shutdown SHOULD use the
-H3_NO_ERROR code when closing the connection.
+when the server closes the connection.  An endpoint MAY send multiple GOAWAY
+frames indicating different identifiers, but MUST NOT increase the identifier
+value they send, since clients might already have retried unprocessed requests
+on another connection.
+An endpoint that is attempting to gracefully shut down a connection can send a
+GOAWAY frame with a value set to the maximum possible value (2^62-4 for servers,
+2^62-1 for clients). This ensures that the peer stops creating new requests or
+pushes. After allowing time for any in-flight requests or pushes to arrive, the
+endpoint can send another GOAWAY frame indicating which requests or pushes it
+will accept before the end of the connection. This ensures that a connection can

Let's not imply any certainty about this.

might accept before the end of the connection. This ensures that a connection can
warning: this might be > 80 columns now

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