diff --git a/draft-ietf-quic-transport.md b/draft-ietf-quic-transport.md index 566be4055a..621fe492cb 100644 --- a/draft-ietf-quic-transport.md +++ b/draft-ietf-quic-transport.md @@ -1806,11 +1806,12 @@ support this, multiple NEW_CONNECTION_ID messages are needed. Each NEW_CONNECTION_ID is marked with a sequence number. Connection IDs MUST be used in the order in which they are numbered. -An endpoint that to break linkability upon changing networks MUST use a -previously unused connection ID provided by its peer. Protection of packet -numbers ensures that packet numbers cannot be used to correlate connections. -Other properties of packets, such as timing and size, might be used to correlate -activity, but no explicit correlation can be used to link activity across paths. +Upon changing networks an endpoint MUST use a previously unused connection ID +provided by its peer. This eliminates the use of the connection ID for linking +activity from the same connection on different networks. Protection of packet +numbers 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 correlate activity. Clients MAY change connection ID at any time based on implementation-specific concerns. For example, after a period of network inactivity NAT rebinding might