Subject: [quicwg/base-drafts] New connection ID message (#232)

From: Martin Thomson <[email-masked]>
Date: Wed, 25 Jan 2017 00:02:34 -0800

In order to break linkability across events that are known to an endpoint, we should explore the possibility of having each endpoint provide the other with a new connection identifier AND a number of packet numbers that should be skipped.  This allows an endpoint to continue using the same connection on a new path without linking use of that new path to use of the old path.

You need to change connection ID and packet numbers or they can be used for linking.  That doesn't preclude the use of other signals for linking, but it removes obvious ones.

This wouldn't address all of the potential linkability issues we identified, but would help in cases where an endpoint is aware of the need - or even potential need - for a gap in linkability.

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