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

martinduke <notifications@github.com> Wed, 25 March 2020 17:22 UTC

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Date: Wed, 25 Mar 2020 10:22:31 -0700
From: martinduke <notifications@github.com>
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Subject: Re: [quicwg/base-drafts] Required state for retaining unacked RETIRE_CONNECTION_ID frames is unbound (#3509)
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@martinthomson 

> Or you could just keep CID[smallest unacknowledged retire frame] - CID[largest acknowledged retire frame] strictly limited, no matter how many connection IDs you need to retire. Tracking that, plus what you have been requested to retire should bound the state required to implement retirement.

That's my preferred solution, but in my reading of the spec this is not allowed. We MUST send RCID for each sequence number for which the peer has sent retire-prior-to. I think the language in Section 5.1.2 needs to change.

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