North American Network Operators Group|
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Re: Load balancing outgoing connections automatically.
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Drew Weaver wrote: | Howdy. We?re looking at upgrading our border router(s) from | 7500s to (something) yet undetermined. What we would like to do is | perhaps find a platform that is smart enough to not route more outgoing | traffic across a circuit than it can handle. We have 4 outgoing links to | the net at the moment. They all have the same amount of bandwidth, BGP | tends to want to send all of the traffic out to the same two, so usually | those two will carry 80-90% of our traffic while the other two will | carry like 20-30% combined. So if the first two connections burst up a | little bit, sometimes it can cause congestion its fairly rare; but any | congestion is unacceptable as you all know. | | | | I know the way BGP works, it will use it rules to determine the way | traffic will go. I was wondering if anyone has heard of any good ways | to handle this becoming more well known within the last year or so I | researched this last year and found that prepending and doing things | manually is pretty much the only way to load balance it. (i.e. manually | setting routes based on the best paths through our upstreams for each | connected network) I really just want to tell my router to load balance | it; since that is kind of what I?m paying $100,000 for in the first | place, no? I?ve also heard of gear from companies like route science | that could possibly achieve the same thing. But I?ve heard that it runs | like $300,000 for a box, is there anything a bit smaller for companies | within the oc-3 range? That could accompany my router? | | Cisco Optimized Edge Routing (OER) http://www.cisco.com/en/US/netsol/ns471/networking_solutions_white_paper09186a008022dbfa.shtml http://www.cisco.com/en/US/netsol/ns471/netqa0900aecd800f5584.html http://www.cisco.com/en/US/netsol/ns471/networking_solutions_package.html - -- ========= bep -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.2 (MingW32) iD8DBQFBsJBIE1XcgMgrtyYRAjMoAJ4iCaV5OCRdgZ4Os1JurhoCpJa/xQCgqYt9 uFlSaSX5OYeD2Aoh0OVdZZA= =8LT2 -----END PGP SIGNATURE-----