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Web Services Part 6: Models of Integration

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Explore the two common models used for integration: point-to-point integration and publish-subscribe integration. Learn why a messaging infrastructure is one of the key technologies for an asynchronous architecture.
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Introduction to Models of Integration

Before selecting a suite of technologies (application server, integration broker, Web Services, and so on), one of the key integration decisions that need to be addressed is which systems need to be integrated and how they are to be integrated. Integration models can be broadly classified into two categories, regardless of the implementation technologies:

  • Point-to-point integration
  • Publish-subscribe integration

The key roles in either category are the sender and the receiver. In many cases, the role is only for a given message. Particularly with point-to-point integration, the current sender may be a receiver in another message exchange.

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