[88193] in North American Network Operators' Group

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Re: Split flows across Domains

daemon@ATHENA.MIT.EDU (Christopher L. Morrow)
Tue Jan 24 13:37:52 2006

Date: Tue, 24 Jan 2006 18:29:44 +0000 (GMT)
From: "Christopher L. Morrow" <christopher.morrow@verizonbusiness.com>
In-reply-to: <3DFF80EF-2BDE-4254-AFF6-97E9B28DC867@isc.org>
To: Joe Abley <jabley@isc.org>
Cc: "Robert E.Seastrom" <rs@seastrom.com>,
	"Christopher L. Morrow" <christopher.morrow@verizonbusiness.com>,
	Glen Kent <glen.kent@gmail.com>, NANOG list <nanog@merit.edu>
Errors-To: owner-nanog@merit.edu



On Tue, 24 Jan 2006, Joe Abley wrote:

>
> On 24-Jan-2006, at 12:07, Robert E.Seastrom wrote:
>
> > He said "via two different autonomous domains", which I took to mean
> > two upstreams... and my understanding is that (on ciscos anyway)
> > you're talking per-packet, not per-flow load balancing.
>
> If you can get two candidate routes for the same destination into the
> FIB, then you'll get per-flow load balancing as long as CEF is
> running, no?

that was my thought... and yes, it could get ugly for tcp services. Why
would you knowningly induce this complication?

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