Re: [quicwg/base-drafts] editorial changes in the closing section (#2315)

[Marten Seemann <[e-mail]>]

marten-seemann commented on this pull request.



>  
 An endpoint enters a closing period after initiating an immediate close
 ({{immediate-close}}).  While closing, an endpoint MUST NOT send packets unless
 they contain a CONNECTION_CLOSE frame (see {{immediate-close}} for details).  An
 endpoint retains only enough information to generate a packet containing a
 CONNECTION_CLOSE frame and to identify packets as belonging to the connection.
-The connection ID and QUIC version is sufficient information to identify packets
-for a closing connection; an endpoint can discard all other connection state.
-An endpoint MAY retain packet protection keys for incoming packets to allow it
-to read and process a CONNECTION_CLOSE frame.
+The source and the destination connection ID and the QUIC version are sufficient

We're talking from the view point of a connection here, so the CID that's necessary to assign a packet is one of the *source* CIDs (which will be the *destination* CID of the incoming packet).
You'll need to remember at least one of the *destination* CIDs for the connection ID in order to repeat the CONNECTION_CLOSE frame in the closing state.

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