Joseph, Thanks! Did you mean this: https://www.barracudanetworks.com/products/loadbalancer But this looks like an integrated solution, hardware and software. I am just looking for the software part. Boris. On Sat, Jan 19, 2013 at 7:06 PM, Joseph Spenner <joseph85750 at yahoo.com>wrote: > Am 19.01.2013 um 21:35 schrieb Boris Epstein <borepstein at gmail.com>: > > > > Hello all, > > > > > > The question is not necessarily CentOS-specific - but there are lots of > > > bright people on here, and - quite possibly - the final implementation > > will > > > be on CentOS hence I figured I'd ask it here. Here is the situation. > > > > > > I need to configure a Linux-based network load balancer (NLB) solution. > > The > > > idea is this. Let us say I have a public facing load balancer machine > > with > > > an public IP of, say, 50.50.50.50. It is to receive the traffic (let's > > say, > > > HTTP traffic) and then route it to two private HTTP servers, let's say, > > > 192.168.10.10 and 192.168.10.11. It has to have persistence - i.e., be > > > state- and session-aware. If for whatever reason one of the servers > goes > > > down the remaining pool shares all the traffic in some fashion (be it > > eound > > > robin, saturation based, whatever). > > > > > > We have tried Vyatta ( http://vyatta.org/ ) and ZeroShell ( > > > http://www.zeroshell.org/ ) and both are very good but their NLB seems > > to > > > be externally facing (i.e., you have several internet connections and > are > > > trying to divide your traffic between them). What we need is an > > "internally > > > facing" one, if I may say so. > > > > > > Any advice on what may help us would be greatly appreciated. > > I've had pretty good luck with Barracuda load balancers.. You can > configure them to keep a user session on a single server, which is often > desired, and spread new connections to other servers as they arrive. > The only problem I had with them, ironically, was they would crash if I > purchased their "Live Updates" feature. It's some sort of auto updating > black-list service you can buy which helps protect the device and your > resources. But after I disabled that, the device has been rock solid. > Been working great since about 2006. > > > > > If life gives you lemons, keep them-- because hey.. free lemons. > "~heart~ Sticker" fixer: > http://microflush.org/stuff/stickers/heartFix.html > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos >