By David S. Linthicum
ISBN-10: 0201615835
ISBN-13: 9780201615838
"Enterprise software Integration" offers an engaging creation to the $64000 subject of EAI (Enterprise software Integration).
EAI performs a key position in lots of companies throughout many eventualities (for instance, imposing an company software and/or integrating the applied sciences of an received company), so this ebook covers an immense topic.
This publication as an entire is orientated in the direction of technologically-savvy participants, yet a number of sections of the publication, resembling the assurance of "what is EAI" may still attract, and be of significant worth to, a large viewers.
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Extra info for Enterprise Application Integration
Example text
While most packaged applications promote their interfaces as being full-service interfaces, the reality is often a bit less promising. For the most part, interfaces in packaged applications were an afterthought. As such, they tend to be somewhat limited. For example, within the SAP interface infrastructure, many types of interfaces need to be invoked in order to access information and services. The same is true for PeopleSoft and Oracle. 11). In addition to being "access limited," these interfaces generally provide only a limited set of services at those levels.
Using this same interface, we can also get at customer information: GetCustomerInformation("cust_no"); or inventory information: QuantityAvailable("product_no"); On the COBOL side, things are not quite so cut and dry. The developer and application architect who built the application did not build in an API to access the encapsulated business processes. Therefore, the application must be redesigned and rebuilt to expose an API in order that the processes of the application may be cohesively bound with the processes of the remote ERP application.
The difficulty rests in the fact that many packaged applications were never designed to be distributed objects. Types of Interfaces Knowing the types of services available through an interface, it is now useful to explore the various types of interfaces themselves that exist within packaged applications. As in other contexts, there is a broad spectrum of possibilities that can be grouped into three convenient types: full-service, limited-service, and controlled. Full-service interfaces, as the name implies, afford a wide range of benefits.
Enterprise Application Integration by David S. Linthicum
by Robert
4.1