Chapter Nine. Using COM+(Enterprise Services)

In this chapter, I discuss how to use the COM+ Component Services from a managed application. COM+ was designed to facilitate the development of enterprise-class distributed applications. In support of this goal, COM+ provides the following services to middle-tier COM components:

  • Fine-grained security.

  • Distributed transactions.

  • Thread synchronization.

  • Load balancing.

  • Asynchronous store and forward method invocation.

  • Enhanced scalability through JIT activation, and pooling of objects and database connections.

These same services are accessible from the .NET Framework. In the .NET Framework, these services are referred to as the .NET Enterprise Services. It's best to think of the relationship between the ...

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