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Chapter 12. Deploying Crystal Enterprise... > Crystal Enterprise Load Balancing an...

Crystal Enterprise Load Balancing and Scalability—Web Farm Considerations

So far, the only configuration considered in this chapter is a single Web connector communicating with a single Web Component Server, which is satisfactory for discussing their individual characteristics and responsibilities within the Crystal Enterprise architecture. However, this does not tell the full network story, because deployments of Crystal Enterprise can involve more than just two physical servers.

One of the key design objectives of Crystal Enterprise is to provide for information delivery to literally hundreds of thousands of users, with all users receiving an acceptable response time for their requests. Additionally, in a large enterprise it is quite unrealistic to assume that only a single server is going to be deployed; instead, a group of Web servers is going to be grouped together as a farm of servers (hence the term Web farm). This allows enterprises to satisfy load balancing and fault tolerance considerations within the same architecture. Crystal Enterprise fits in well with Web farm deployments because it supports multiple instances of both Web connectors and Web Component Servers—indeed, their deployment is so flexible that just about any realistic configuration is supported.


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