August 2003
Intermediate to advanced
592 pages
14h 24m
English
Content preview from J2EE™ Platform Web ServicesBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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6.5. Cross-Enterprise Integration Framework
An integration framework is essential to define different integration tiers and basic components or enabling technology for enterprise and cross-enterprise integration. It also outlines how each integration tier communicates with the other. The integration framework does not build on top of existing EAI vendor products. It can mix-and-match implementing any EAI vendor products with Web Services technology.
There are five different tiers of integration that need to be considered. Figure 6-1 provides a sample scenario where a user accesses Web Services functionality provided by a series of legacy back-end systems to perform a fund transfer. A client user has a unique network identity using a digital certificate ...
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