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E.G. Nadhan, Chief Architect, EDS |
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E.G. Nadhan is the Chief Architect for Applications Modernization. Nadhan leverages his 25 years of experience delivering solutions in the field to engineer standardized EDS offerings while employing multiple architectural paradigms including SOA and Event Driven Architectures. Nadhan is an EDS Distinguished SE and an a Master IT Architect.
Experience:- Open Group Conference, Mumbai, Feb 2007 - Seven Steps to a Service Oriented Evolution
Open Group Conference, Austin, TX, July 2007 - Enterprise Architecture for Modernization
Global EAI Summit, 2006, Calgary, Canada, SOA Panel of Speakers |
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Presentation
Event Driven SOA
Event-driven Architecture (EDA) is as an exciting paradigm for building scalable and adaptive IT systems that capture, correlate and efficiently process complex business and disruptive real-time asynchronous events. This presentation compares and contrasts EDA and SOA and illustrates the notion of Event-driven SOA as an architectural style that is an amalgamation of SOA and EDA paradigms. Organic growth of an enterprise is underpinned by its ability to align its information capabilities with business goals so as to quickly meet changing customer demand, competitive pressures and regulatory requirements. Effective internal collaborations breaking down organizational barriers, improved quality of services delivered to customers through effective partnerships with suppliers and partners are fundamental for successful growth. Service Oriented Architecture (SOA) is key to such a transformation because of its focus on a properly governed, methodical decomposition (into services) and alignment of the enterprise's capabilities across business, and information systems. Effectively, SOA provides a framework for continuous business process optimisations and flexible IT service realignment to support business changes.However, the rapid explosion of devices at the network's edge and the flattening world introduces new challenges to an enterprise. Firstly, the amount of information flow as well as the extent and reach of businesses have significantly increased. Businesses are no longer confined to specific industry verticals or geographies. Their expanding reach has significantly increased business-business collaboration and messaging. As a result, an enterprise can no longer afford to just react to events in their traditional value chain but should be prepared for events in the extended network of businesses and unrelated disruptive events.
The roots of an adaptive enterprise lies in its ability to adapt business processes in response to events of significance to the business. In other words, a firm focus on event-driven business processing is an absolute must for adaptive enterprises.
Audience:- Enterprise Architects, Integration Architects, System Architects
Key takeaways:-
- SOA is not the single answer for all architectural problem domains
- The changing dynamics mandate an event-driven solution
- EDA and SOA need to have a healty co-existence
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