[ale] failover planning

[James P. Kinney III]

On Mon, 2004-11-29 at 19:40, Greg Freemyer wrote:
> On Mon, 29 Nov 2004 09:51:34 -0500, James P. Kinney III
> <jkinney at localnetsolutions.com> wrote:
> > I am looking at setting up a small non-local redundant webserver. The
> > net access for each node is through different ISP's so each node has
> > different IP's. In fact, there is nothing in common between the two
> > different networks. They have no common router.
> > 
> > The main site is serverd by a T1 line that is susceptable to an outage
> > caused by falling trees. I would like to make the outage as short as
> > possible by making the backup site live as fast as possible. Right now,
> > other than editing the DNS listing and waiting for the change to
> > propogate, I have no other way to do this.
> > 
> > Any suggestions?
> > --
> > James P. Kinney III          \Changing the mobile computing world/
> 
> If nothing else, you could try round-robin DNS.
> 
> That way roughly half of your dns quiries will go to each IP.
> 
> Then set your client TTL low so your users are requesting a new DNS
> entry fairly often.
> 
> If one of your sites fails,  there is a 50% chance your users will go
> to the other site with their next DNS request.  (ie. if you have M$
> users, they do a dns request at least once per reboot.)

I found www.zoneedit.com offers a failover dns service that is very
affordable.
> 
> Greg
-- 
James P. Kinney III          \Changing the mobile computing world/
CEO & Director of Engineering \          one Linux user         /
Local Net Solutions,LLC        \           at a time.          /
770-493-8244                    \.___________________________./
http://www.localnetsolutions.com

GPG ID: 829C6CA7 James P. Kinney III (M.S. Physics)
<jkinney at localnetsolutions.com>
Fingerprint = 3C9E 6366 54FC A3FE BA4D 0659 6190 ADC3 829C 6CA7
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