nanog mailing list archives

Re: bad idea?


From: "Devin P. Anderson" <devin () stargate net>
Date: Wed, 5 Jul 2000 11:34:06 -0400 (EDT)


On Wed, 5 Jul 2000, Jeremiah Kristal wrote:

Given a small, globally routable netblock to be used for front-end web
servers, and a strong aversion for using DNS for any type of load
balancing, would it be reasonable to build two identical servers farms
with the same public IP addresses and rely on the BGP sessions with the
hosing providers to remove one advertisement in the event of a problem? 
I've been looking at ways to ensure that the webservers are always
available, short of building a network connecting hosting facilities.

Dude, saying things like that on this group is likely to get you executed.
Building a discontigious AS isn't the answer.

Have you looked at the global load balacing products like Cisco's
Distributed Director or Arrowpoints's whatever they call it? There are
many products that do both global and local load balacing, each one is
different has has a specific application they fit best. It would be silly
to recommend a product to you without understanding your application, so
check out these companies and see for yourself:

Cisco (LocalDirector and DistributedDirector)
Foundry (Server Iron)
Alteon (ACE Director)
Arrowpoint (CS-xxx)
F5 Labs (BIG/ip & 3DNS)
Resonate
BrightTiger

Some are software solutions, some are hardware that run on PC's and some
are ASIC based solutions. See what fits.

later-

devin

---
Devin P. Anderson
Network Operations
Stargate Industries
Direct: 412.316.1052
Main:   412.316.7827 x1052
FAX:    412.316.7899

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