Enterprise Architecture Practitioners Conference The Open Group
  Vijay Seetharaman, System Architect, EDS  


Vijay Seetharaman is a System Architect in the Application Services Field Organisation, Australia & New Zealand and the global lead technologist for capability focused on Java and related Internet technologies. He is currently acting as the EDS lead enterprise architect for a major government client in New Zealand and is leading the IT transformation exercise aimed at modernising the client's IT systems. Vijay has also served as the lead offering architect for key portfolio offerings and as the lead architect for numerous application services field projects. He is also an executive member of the board of Global Enterprise Architecture Organisation. Vijay is an Open Group Master Certified IT Architect and an EDS Distinguished SE.

   
 

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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