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Extended seq number
Hi, All
I am going thruough the Draft-ietf-ipsec-esp-v3-02.txt.
1) Extended Sequence number is of 64bits (optioanally) and the ICV is
calucluated over the entire 64bits.but the sequence number transmitted is
of 32 bits , to keep the overhead low.
Because of this requirement implementaion becomes quite complex, at least
not straight forward. what we frame (IPSec header) is different from what
we send.
-cheers
-ramana