"For HA you need other tools" Can you please tell me more ? :) -----Original Message----- From: Ralf Hildebrandt [mailto:Ralf.Hildebrandt@xxxxxxxxxx] Sent: Thursday, July 29, 2010 6:01 PM To: Tóth Tibor Péter Cc: squid-users@xxxxxxxxxxxxxxx Subject: Re: Whats the differenne between sibling mode and pac file * Tóth Tibor Péter <tibor.peter.toth@xxxxxx>: > I am confused :) > > Not sure, if I'm correct, but squid could be used in sibling mode. In > this case there are two or more squid nodes communicating to each > other, and somehow having a load ballance between each oter or so? Not really load balancing, they query each other for cached data! > If I use a Pac file, I can set who should use Cache Node1,Cache Node2 > in order, and who should try Cache node2, Cache node1 in order to have > failover, and load ballance as well. No. With a PAC file, the browser decides which proxy to use for what kind of access. It's basically a program. But if a specified proxy should be down, the client will still try and contact it. > What would happen if one employee is loggen into lets say to an > Ebanking site to check his/her own account from work, and while he/she > having an active session, one of the cache servers goes down. Then it's gone. > In sibling mode do they replicate data between each other? No > If I would use a Pac based configuration I am sure the conetent is not duplicated. For HA you need other tools -- Ralf Hildebrandt Geschäftsbereich IT | Abteilung Netzwerk Charité - Universitätsmedizin Berlin Campus Benjamin Franklin Hindenburgdamm 30 | D-12203 Berlin Tel. +49 30 450 570 155 | Fax: +49 30 450 570 962 ralf.hildebrandt@xxxxxxxxxx | http://www.charite.de
