Re: [quicwg/base-drafts] Prevent linkability from responding to migration (#2969)

[ianswett <[e-mail]>]

ianswett commented on this pull request.



> @@ -2057,11 +2057,17 @@ linked by any other entity.
 At any time, endpoints MAY change the Destination Connection ID they send to a
 value that has not been used on another path.
 
-An endpoint MUST use a new connection ID if it initiates connection migration.
-Using a new connection ID eliminates the use of the connection ID for linking
-activity from the same connection on different networks.  Header protection
-ensures that packet numbers cannot be used to correlate activity.  This does not
-prevent other properties of packets, such as timing and size, from being used to
+An endpoint MUST use a new connection ID if it initiates connection migration as
+described in {{initiating-migration}}.  An endpoint MUST use a new
+connection ID in response to a connection migration if the packet that initiates

```suggestion
connection ID in response to a change in peer IP or port if the first packet arriving from the new IP and port
```

(and delete the word migration on the next line)

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