Nataraj Nagaratnam

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Securing access to information is basic to any application. Security becomes even more critical for implementations structured according to SOA principles due to their loose coupling of services and applications and their operation across organizational boundaries. Such an environment often exposes the delicacy or limitations of existing security implementations. Irrespective of the efficiencies brought by model-driven development and SOA-based service management, business applications must continue to secure information. Merely securing the perimeter (such as firewalls and routers) is insufficient, because an On Demand Business needs to be able to set up and tear down dynamic trust relationships as relationships among its partners, customers, and employees evolve. Thus, a secure On Demand Business needs a flexible, customizable infrastructure so it can adapt to new ... (more)