Hi Martin, Yes you are quite right, we are aware that for it to work we need links of roughly equal latency and bandwidth etc, which they are. I.e. both slow and not much.. ;)
Cheers, Andy. -----Original Message----- From: Martin Mares [mailto:[email protected]] Sent: 01 October 2010 16:15 To: Andrew Lemin Cc: Ondrej Zajicek; Vincent Bernat; [email protected] Subject: Re: ECMP/multipath support Hello! > For us ECMP is important as we load balance connections to remote customer > sites across different ISPs for redundancy and performance. When doing that, please keep in mind that whenever the characteristics (delay and throughput) of the lines are different, TCP congestion control algorithms tend to fail miserably. This greatly limits the usefulness of any multipath routing. Have a nice fortnight -- Martin `MJ' Mares <[email protected]> http://mj.ucw.cz/ Faculty of Math and Physics, Charles University, Prague, Czech Rep., Earth Even nostalgia isn't what it used to be. Monitor Computer Systems Limited Company Registration Number: NI 17805 Registered Office: 3 Pine Crest, Holywood, North Down, Northern Ireland BT18 9ED
