Re: [quicwg/base-drafts] Talk more about multiple tokens (#2962)

[ianswett <[e-mail]>]

ianswett approved this pull request.

Some suggestions, but looks good.

> @@ -1632,13 +1633,22 @@ NEW_TOKEN frame.  A token obtained in a Retry packet MUST be used immediately
 during the connection attempt and cannot be used in subsequent connection
 attempts.
 
-A client SHOULD NOT reuse a token in different connections. Reusing a token
-allows connections to be linked by entities on the network path
-(see {{migration-linkability}}).  A client MUST NOT reuse a token if it
-believes that its point of network attachment has changed since the token was
-last used; that is, if there is a change in its local IP address or network
-interface.  A client needs to start the connection process over if it migrates
-prior to completing the handshake.
+A client SHOULD NOT reuse a token in different connections.  Reusing a token
+allows connections to be linked by entities on the network path; see
+{{migration-linkability}}.  A client MUST NOT reuse a token if it believes that
+its point of network attachment has changed since the token was last used; that
+is, if there is a change in its local IP address or network interface.  A client
+needs to start the connection process over if it migrates prior to completing

I think it'd be preferable to avoid the word 'migrate' here, and reuse the preceding text: "if there is a change in its local IP address or network interface."?

> -allows connections to be linked by entities on the network path
-(see {{migration-linkability}}).  A client MUST NOT reuse a token if it
-believes that its point of network attachment has changed since the token was
-last used; that is, if there is a change in its local IP address or network
-interface.  A client needs to start the connection process over if it migrates
-prior to completing the handshake.
+A client SHOULD NOT reuse a token in different connections.  Reusing a token
+allows connections to be linked by entities on the network path; see
+{{migration-linkability}}.  A client MUST NOT reuse a token if it believes that
+its point of network attachment has changed since the token was last used; that
+is, if there is a change in its local IP address or network interface.  A client
+needs to start the connection process over if it migrates prior to completing
+the handshake.
+
+Clients might receive multiple tokens on a single connection.  Aside from
+preventing linkability, any token can be used in connection attempt.  Servers

```suggestion
preventing linkability, any token can be used in any connection attempt.  Servers
```

I think this is what you meant?

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