You could check out 2X Load Balancer For Terminal Services, available online at filecluster.com. However, Microsoft and Cisco provide the best rated software.
The Cisco load balancer works by distributing the network feed to various servers instead of just a single central server. This product is available either directly through Cisco or through wholesalers.
There are several server load balancing websites online. You can you a search engine to find listings and choose one that fits your budgets. You can find server load balancing online at various sites. Here are the links to those sites. Just follow these links to find what you are looking for. www.loadbalancer.org, www.webhosting.uk.com/load-balancing-servers.php ,
The load load balancing solution is recommeneded on linux based servers although not necessary it will improve load performace.
Both embedded http server and http server handles http requests, static contents. However, for Scalability and high work load balancing we configure an external http server as a managed / unmanaged node in websphere application server environment.
Server load balancing is almost always the hosts responsibility. Even in the case of terminal severs, the host should ensure proper connections to the server.
There is an excellent PDF breakdown of server load balancing at [url]http://www.radharc.com/whitepapers/Server_Load_Balancing.pdf[/url]. Also, check out the white paper associated with this Linux article: [url]http://www.linux-mag.com/id/4136[/url]. There is a good website for server load balancing. The address is http://content.websitegear.com/article/load_balance.htm. It offers a good introduction to server load balancing.
Some companies that offer a load balancing server include Barracuda and IBM. You can learn more about these servers and the companies that produce them at their respective websites.
The citrix load balancing is so called "passive load balancing". The configuration checks for the least busy server, following the LB rules defined, and connects to that one. If the server fails during the session, the session is lost, and you have to reconnect from scratch.
Cisco Systems and Technet are the two best sources of information about hardware load balancing. They will be able to answer questions in an easy to understand manner.
If you are running a Linux web server there is LVS. LVS is an open-source load balancer.
The purpose of Web server load balancing is to reduce all the load on a single machine. If such a great deal of load is put on just a single computer, it will fail, resulting in server down situation. It is usually done using a Multi-layer Switch.