round robin DNS spreads the load but not evenly (of course neither does
this simple version) but the idea of being able to direct traffic to a
particular server based on the URL has all sorts of possibilities.
i.e.
machine 1 is your images server, all URL's directed to *.gif *.jpg
are on this server
machine 2 is your static HTML server, all URL's *.htm, *.html go to this
server.
machines 3 and 4 are your CGI servers, all URL;s *.cgi go to this server.
end result html pages are blindingly fast reguardless of load, images may
be slightly slower, but still fairly independent of load, and cgi load is
spread across multiple machines and does not impact performance of static
items.
David Lang
On Fri, 21 Aug 1998, Paul Wouters wrote:
> On Fri, 21 Aug 1998, Michael Hasenstein wrote:
>
> > version of it could be used for their purposes. They wanted to have a
> > setup, where a NAT router distributes HTTP requests to different
> > (physical) web servers based on the user id of who's homepage is
> > requested, e.g. http://www.blabla.com/a-user/ starts with 'a' (a-user)
> > -> to server for homepages of users with 'a...'.
> > There were some additional points about bandwith and cabling, why they
> > wanted to separate the requests like this.
>
> I am probably missing something here. Why would you built something to
> split up requests like this when it's a thousandfold easier to just do
> some round robin DNS to divide the load? If NFS mounted disks on the
> servers is too slow, i am sure some smart mirroring ultrawide scsi with
> a fast network setup could fix that too.
>
> Paul
>
>
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