Load Balancing

So now that you have a fundamental knowledge of clustering, what about network load balancing? Load balancing is a term coined for the use of dividing the services that a server must provide among multiple peers or nodes in a group. This way, if you wanted to host a Web site—or in this case, multiple BizTalk Servers—the servers can work together to provide better service to you by sharing the load. Load balancing uses an algorithm to dynamically send client requests to each member in the load balanced group so that no one node becomes overwhelmed with requests.You might want to install Application Center 2000 (covered later in this chapter) and its Health Monitor to monitor the performance of such load-balancing events. Again, BizTalk might need to be load balanced to respond and reply to many document exchanges. Figure 9.2 shows a typical design to allow for load-balancing servers for client access.

Figure 9.1 Clustered Nodes Set for Failover with a Virtual IP and MAC Address

Figure 9.1 Clustered Nodes Set for Failover with a Virtual IP and MAC Address

Figure 9.2 Nodes Set for Load Balancing and Sharing the Requested Load

Web Server 2

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