Download e-book for kindle: Aligning Modern Business Processes and Legacy Systems: A by Willem-Jan van den Heuvel

By Willem-Jan van den Heuvel

ISBN-10: 0262220792

ISBN-13: 9780262220798

Disbursed company part computing—the assembling of industrial parts into digital enterprise strategies, which have interaction through the Internet—caters to a brand new breed of company structures which are versatile, rather effortless to keep up and improve to house new company techniques, and comparatively basic to combine with different firm platforms. businesses with unwieldy, huge, and heterogeneous inherited info systems—known as legacy systems—find it tremendous tough to align their previous structures with novel company procedures. Legacy structures usually are not merely tightly intertwined with current enterprise tactics and approaches but additionally have a brittle structure after years of ad-hoc fixes and supply constrained openness to different structures. during this booklet, Willem-Jan van den Heuvel presents a methodological framework that provides pragmatic suggestions for aligning component-based enterprise approaches and legacy platforms.

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Extra info for Aligning Modern Business Processes and Legacy Systems: A Component-Based Perspective

Example text

Second, it is usually not possible to guarantee that the new system will outperform the existing application in terms of both functionality and extrafunctional properties such as security and robustness (transactions). Nascent technologies may at first seem to offer tantalizing possibilities but may not yet be ready for prime-time implementations. 4 Phase Out The most extreme evolution strategy is to discontinue the enterprise application. This means that the supporting business process would also cease to exist.

1 The Service-Oriented World Principally, the SOC paradigm stipulates a set of core guidelines and principles, which are captured in the service-oriented-architecture (SOA). As the name implies, SOA prescribes an architecture, not a technology. A common misconception about SOA is that it is equivalent to Web service technology. This is fostered by the marketing campaigns of large software vendors that promote SOA as a set of universally accepted standards, provisioning broad interoperability among different platforms by Web service standards such as SOAP (Simple Object Access Protocol) (Box et al.

2 follows an S-shaped pattern, evolving toward the level of functionality required by end-users. In many cases, the lifecyle is not S-shaped but tends to follow a “scalloped” pattern that results from modernization efforts of the legacy system, extending the life of the system beyond that of one lifecycle. 2. The life of this enterprise application is divided in three cycles, each of which captures one lifecycle. The first two cycles in this figure follow the S-shaped pattern. System evolution during the first cycle was already articulated.

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Aligning Modern Business Processes and Legacy Systems: A Component-Based Perspective by Willem-Jan van den Heuvel

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