Hi, i have a tcp socket server application. Some of my clients are asking if I can provide server redundancy for my tcp service for HA purpose. I know it can be done using Windows NLB but the cost of the Enterprise edition is beyond the budget of most of my clients. DNS failover is also out since it will involve fiddling with the DNS server.
I'm would prefer to setup a simple solution in which I check the status of the primary server and then if the primary is down, change the ip address of the secondary to the primary so that the service remains available. This sounds simplistic, and besides different clients use different networks, e.g. AD, but I'm not a networking guy so I am at my wits' end.
Will appreciate any guidance, thanks. :)