Stig Venaas allegedly wrote on 11/18/2009 1:44 PM: > Fred Baker wrote: >> >> On Nov 18, 2009, at 6:22 PM, Arifumi Matsumoto wrote: >> >>> I guess that is because if you force to try all the pairs, it perfectly >>> ignores the address selection manner defined in RFC 3484, and thus, >>> it gives us not little impact. >> >> If they space them closely and run them in parallel, I guess I don't >> see the impact. Imagine you have five addresses and your peer has five >> addresses, so there are 25 pairs. Imagine you are spacing the SYNs 10 >> ms apart. Imagine that the only pair that works is the last one you try. > > I'm a bit worried about this. If e.g. the host is 100ms (RTT) away and > 10 combinations work, you may end up creating TCP state (and getting > syn-acks back) on the destination host for 10 connections, while you are > only going to use one.
I think the general sense is to try pairs until you get a few acceptable ones, no more. -------------------------------------------------------------------- IETF IPv6 working group mailing list [email protected] Administrative Requests: https://www.ietf.org/mailman/listinfo/ipv6 --------------------------------------------------------------------
