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Chapter 24. Crystal Enterprise Architect... > The Server Tier: Introduction to the...

The Server Tier: Introduction to the Crystal Enterprise Framework

The Crystal Enterprise Framework, the backbone of Crystal Enterprise, provides a distributed mechanism that manages the interaction and communication of the Crystal Enterprise services that make up the server tier, as well as communication between this server tier and the CE-SDK. Each Crystal Enterprise service uses the framework to describe the capabilities it offers and to discover other services that are registered with the framework. The framework treats each of the registered services as equals, which enables one service to use the capability of another Crystal Enterprise server directly, thus enhancing scalability.

The Framework's foundation is a communication bus that handles dialogue between the various services and facilitates automatic load-balancing and fault tolerance. This communication bus registers each service, categorizes the type of service, and maintains a tally of the status of each service. For scalability reasons, much of this service interaction is distributed and decentralized. This is one of the reasons Crystal Enterprise leads the industry in scalability.


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