Re: [quicwg/base-drafts] Clarify text around preferred address (#3589)

[Eric Kinnear <[e-mail]>]

@erickinnear commented on this pull request.



> +Similarly, an endpoint MUST NOT reuse a connection ID when sending to more than
+one destination address.  Due to network changes outside the control of its
+peer, an endpoint might receive packets from a new source address with the same
+destination connection ID, in which case it MAY continue to use the current
+connection ID with the new remote address while still sending from the same
+local address.

I don't dislike the flow once flipped, but the first sentences of this and the preceding paragraph are trying to be very clearly the main requirement, with the subsequent items explaining motivation and any exceptions.

This is in response to the original issue we're trying to address, which is that all of these requirements were in place but got lost in the rest of the text, so the idea was to highlight the main requirements in a single place.

Thoughts?

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