nanog mailing list archives
Re: Mechanisms for a multi-homed host to pick the best router
From: Valdis.Kletnieks () vt edu
Date: Thu, 18 Sep 2008 12:15:07 -0400
On Wed, 17 Sep 2008 22:32:29 EDT, Cayle Spandon said:
(Problem 2) If there is a topology change after the TCP connection has been established, the traffic might follow a sub-optimal path.
Another possibility is that the connection was originally established *during* a link outage, so the initial part of the connection was done over a sub-optimal path, and that the topology change puts it back to the normal better path... A possible *biggger* issue is that "toss the reply packet back where the original came from" makes traffic-engineering your outbound packets a lot more challenging - you end up having to play announcement games upstream of your N routers to engineer your *inbound* traffic so your outbound packets do what you want.
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Current thread:
- Mechanisms for a multi-homed host to pick the best router Cayle Spandon (Sep 17)
- Re: Mechanisms for a multi-homed host to pick the best router Laurence F. Sheldon, Jr. (Sep 17)
- Re: Mechanisms for a multi-homed host to pick the best router Cayle Spandon (Sep 18)
- Re: Mechanisms for a multi-homed host to pick the best router Paul Vixie (Sep 17)
- Re: Mechanisms for a multi-homed host to pick the best router Cayle Spandon (Sep 18)
- Re: Mechanisms for a multi-homed host to pick the best router Valdis . Kletnieks (Sep 18)
- <Possible follow-ups>
- Re: Mechanisms for a multi-homed host to pick the best router Brighten Godfrey (Sep 18)
- Re: Mechanisms for a multi-homed host to pick the best router Laurence F. Sheldon, Jr. (Sep 17)