Modernizing Legacy Applications (mainframe)

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Reengineering and Wrapping Legacy Modules for Reuse as Web Services

Service-Oriented Architecture (SOA) is a viable option for systems development, systems integration, and leverage of legacy systems

Migrating to SOA Environment

Saas - SaaS application is shared across multiple clients using the "one-to-many" model. The advantage offered for the SaaS end user is that (s)he can avoid installing and maintaining software and can free him/herself from complex software/hardware requirements.

SOA -SOA is an architectural model in which the solution logic is presented as services. By having services as the main method of delivering solutions, SOA strives to be more agile and productive than other existing technology solutions for reusing features from existing components

Migrating to Cloud

The idea of SOA(service oriented architecture) and REST(resource oriented architecture) a solution

Points to be considered Cloud computing and Ubiquitous Computing

Cloud computing-Cloud Computing can be viewed as the maintenance of resource pools with on-demand resource allocation

Ubiquitous Computing - The Ubiquitous Computing introduces in Pervasive Computing the large-scale mobility aspect. "In its ultimate form, Ubiquitous Computing means any computing device, while moving with us, can build incrementally dynamic models of its various environments and configure its services accordingly”

Migrating to Service-oriented-Systems

http://www.ibm.com/developerworks/rational/library/09/modelingwithsoaml-1/index.html

https://www.ibm.com/developerworks/webservices/library/ws-soa-design1/

References

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