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Merged
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Jul 3, 2025
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New path examples #574

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New path examples
mirjak Jun 13, 2025
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adapt wrapping
mirjak Jul 2, 2025
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mirjak Jul 2, 2025
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14 changes: 7 additions & 7 deletions draft-ietf-quic-multipath.md
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Original file line number Diff line number Diff line change
Expand Up @@ -387,17 +387,17 @@ path ID 0 is already used for the initial path.
~~~
Client Server

(Exchanges start on default path)
1-RTT[]: PATH_NEW_CONNECTION_ID[C1, Seq=0, PathID=1] -->
<-- 1-RTT[]: PATH_NEW_CONNECTION_ID[S1, Seq=0, PathID=1]
<-- 1-RTT[]: PATH_NEW_CONNECTION_ID[S2, Seq=0, PathID=2]
(Provide new CIDs for path 1 on an existing path 0)
1-RTT[X]: DCID=S0, PATH_NEW_CONNECTION_ID[C1, Seq=0, PathID=1] -->
<-- 1-RTT[Y]: DCID=C0, PATH_NEW_CONNECTION_ID[S1, Seq=0,
PathID=1], PATH_ACK[PathID=0, PN=X]
<-- 1-RTT[Y+1]: DCID=C0, PATH_NEW_CONNECTION_ID[S2, Seq=0,
PathID=2]
...
(starts new path)
(start sending packets on a new path using path ID 1)
1-RTT[0]: DCID=S1, PATH_CHALLENGE[X] -->
Checks AEAD using nonce(path ID 1, PN 0)
<-- 1-RTT[0]: DCID=C1, PATH_RESPONSE[X], PATH_CHALLENGE[Y],
PATH_ACK[PathID=1, PN=0]
Checks AEAD using nonce(path ID 1, PN 0)
1-RTT[1]: DCID=S1, PATH_RESPONSE[Y],
PATH_ACK[PathID=1, PN=0], ... -->

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