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At www.footballfanatics.com we used one "gateway" machine, which actually ran WiTango. It would look at a table of available machines and redirect the user to "www1." or "www2." etc.
This is called "Sticky-IP" technique. The disadvantage is that you can't change servers mid-session. So if you're at the site and the box goes down to have to come back to the site manually and get redirected to an active machine.
The advantage of using WiTango to do it than round robin DNS is that we made outselves a nice little web interface to manage the server pool and we didn't have to depend on any third-party DNS solutions.
There is a way to set WiTango up with "high availability" mode, meaning any one machine failure is transparent and session variables are transportable between servers, but I have no idea how to do it.
- James. Rich <[EMAIL PROTECTED]> wrote:
->|- Diodeus, noun: the Greek God of diodes, as opposed to Typos, the Greek God of typing mistakes. He keeps moving the keys on me. There is a Witango load balancing system,
true. However, while it does handle instantaneous failover from a downed
server, it does not handle session maintenance. This means that a user would
have to login again and rebuild an user scoped variables
if a server fails, but at least the user will keep getting web pages. I have
very successfully used load-balancing for several years now. As for round robin dns, there should be no
problems at all. Once a user has a server and a USR, Witango should be fine. Robert -----Original Message----- ________________________________________________________________________TO UNSUBSCRIBE: Go to http://www.witango.com/developer/maillist.taf________________________________________________________________________ TO UNSUBSCRIBE: Go to http://www.witango.com/developer/maillist.taf |
- Witango-Talk: Round Robin DNS Rich
- Re: Witango-Talk: Round Robin DNS Diodeus
- RE: Witango-Talk: Round Robin DNS Robert Shubert
- RE: Witango-Talk: Round Robin DNS Rich
- RE: Witango-Talk: Round Robin DNS Robert Shubert
