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2c98209c1c
First connection CID generation has been altered. It is now directly derived from client ODCID since previous commit : commit 162baaff7ab761c411800f4ca6bef45315d7afcb MINOR: quic: derive first DCID from client ODCID This patch removes the ODCID tree which is now unneeded. On connection lookup via CID, if a DCID is not found the hash derivation is performed for an INITIAL/0-RTT packet only. In case a client has used multiple times an ODCID, this will allow to retrieve our generated DCID in the CID tree without storing the ODCID node. The impact of this two combined patch is that it may improve slightly haproxy memory footprint by removing a tree node from quic_conn structure. The cpu calculation induced by hash derivation should only be performed only a few times per connection as the client will start to use our generated CID as soon as it received it. This should be backported up to 2.7.