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[quicwg/base-drafts] Required state for retaining unacked RETIRE_CONNECTION_ID frames is unbound (#3509)

Kazuho Oku <notifications@github.com> Tue, 10 March 2020 23:14 UTC

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From: Kazuho Oku <notifications@github.com>
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Subject: [quicwg/base-drafts] Required state for retaining unacked RETIRE_CONNECTION_ID frames is unbound (#3509)
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When an endpoint sends a RETIRE_CONNECTION_ID frame carrying a connection ID that has been active until that point, that endpoint is expected to open room for accepting a new connection ID.

That means that if the peer does not acknowledge the packets that contains RETIRE_CONNECTION_ID frame, but keeps on sending NEW_CONNECTION_ID frames with increasing values in the Retire Prior To field, the number of unacknowledged RETIRE_CONNECTION_ID frames (or to be precise, the number of unacked retiring connection IDs) keeps on increasing.

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