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The paradigm of service orientation is heavily used to design complex IT systems able to satisfy the need for an agile business support. Many enterprises have established service-oriented architectures (SOAs) of different size and complexity. However, such SOAs need efficient management and the discipline of enterprise architecture management has only just begun to reflect the shift from application...
Significant requirements for a large digital preservation system are the system scalability, its ability to store and service heterogeneous digital holdings, and the evolvability over time of both the technologies comprising the system and the data formats in its storage. The use of information technology by the government, business corporations, academic institutions, and the general public results...
Cloud computing is a significant trend with the potential to increase agility and lower costs. However, security risks, immature technology, and other concerns prevent widespread enterprise adoption of external clouds. One major reason is the lack of a systematic engineering process and tool supported by reusable architectural artifacts. Most existing Cloud computing platforms have not formally adopted...
In this paper, we study legacy asset reuse for SOA design. Typically, the cost of reusing legacy assets is much lower than the cost of creating new services from scratch. As an extension of our SOA service modeling, we use top-down approaches to identify business services, and use asset modeling for legacy asset identification to find potential reusable assets for those services. Using service capacity...
Enterprise Architecture (EA) is a holistic and comprehensive business transformation method to define and plan changes to the organisationpsilas processes and operations. The value of an EA initiative is only realised by embracing and using the deliverable outputs. Frameworks, are the building blocks and process steps to assist with an EA project. The paper provides a non technical contextual overview...
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