IBM E02HMLL-I Implementation Guide - Page 13
Overview, WebSphere, Business, Integration, Server, Express
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Chapter 1. Overview of IBM WebSphere Business Integration Server Express This chapter provides an overview of the architecture, components, and processing flow of a business integration system that uses IBM WebSphere Business Integration Server Express or Express Plus. It contains the following sections: v "The InterChange Server Express model" v "Collaborations, business objects, and connectivity" v "Connectors" on page 7 v "Collaborations" on page 7 v "Business objects" on page 8 v "Data flow in an InterChange Server Express implementation" on page 4 v "Data mapping" on page 14 v "Binding between elements" on page 13 v "InterChange Server Express" on page 17 v "Communication transport infrastructure" on page 16 The InterChange Server Express model At the highest level, the business integration system implemented by IBM WebSphere Business Integration Express and Express Plus is a hub-and-spoke infrastructure. Application-independent business logic resides at the hub, in an integration broker named InterChange Server Express. At the spokes are a set of adapters and the applications or technologies to which they connect. The heterogeneous business applications at the spokes exchange data in the form of business objects, which are passed through business logic at the hub. The design utilizes modular components, many of which are customizable. Tools are provided both for developing and customizing components, and for administering a system after deployment. The subsequent topics in this chapter describe the components and flow of information. Collaborations, business objects, and connectivity The following list describes the primary roles of the components of the IBM WebSphere Business Integration Server Express system: v Business-process logic resides in collaborations at the hub. Collaborations are software modules that contain logic that describes a distributed business process. There are different collaborations for different fundamental business processes-for example, a ContactManager collaboration, or an InventoryMovement collaboration. Collaborations coordinate the functionality of business processes for disparate applications and enable data exchange between them. Collaborations are the hub; through them, data in the form of business objects is exchanged with the spokes. v Data is exchanged between the hub and the spokes in the form of business objects. © Copyright IBM Corp. 2001, 2004 1
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