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Re: Redundant web pages



At 21:59 14-05-1996, Nathan Neulinger wrote:
>> > If one wants to provide a web page that is always available,
>> > what mechanisms are available to create this redundant capability?
>> > I know about round-robin DNS that gives a new address from a pool
>> > of servers, but caching the answer means a client won't ask for a
>> > new address for hours (so for them, the page is down).  What other
>> > means of having a redundant web page are there?  Thanks for any
>> > suggestions.
>
>Well, one approach, though probably pretty inneficient would be to have a
>single web server as your point of entrance... ie. www.mydomain.com, have
>that server do NOTHING but redirect requests...
>
>Basically, every request to the http://www.mydomain.com gets redirected to
>another server, i.e. www-rotate-1.mydomain.com.  This way, the primary
>point of failure is only handling easy requests.
>
>The redirection server could be dynamically reconfigured based on the
>responsiveness of the data serving hosts (www-rotate-*.mydomain.com), and
>could even do a sort of load balancing to compensate for different speed
>servers.
>
>For added stability, you could apply any of the usual redundancy schemes to
>the redirection host.

I think this is called Tuxedo ?

----
tommy@knoware.nl
Tom van Peer
Hartingstraat 171
3511 HV Utrecht
THE NETHERLANDS