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Reword linkability on migration text #1369

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6 changes: 3 additions & 3 deletions draft-ietf-quic-transport.md
Expand Up @@ -1809,9 +1809,9 @@ in the order in which they are numbered.
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. Other
properties of packets, such as timing and size, might be used to correlate
activity, but these changes ensure that the packet header cannot be used.
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.

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"but these changes" is a bit vague - how about "but using a path unique connection ID enures ..."

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Looks good to me, but I agree with @mikkelfj, "but these changes" is loose text and wont stand well after another change or three.

Clients MAY change connection ID at any time based on implementation-specific
concerns. For example, after a period of network inactivity NAT rebinding might
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