The document outlines the evolution of Service-Oriented Architecture (SOA) as a convergence of technology and business trends, driven by factors such as agility, interoperability, and enterprise application integration. It highlights the transformation in business processes towards dynamic ecosystems, emphasizing concepts like business as a platform and loosely coupled organizations. The document also hints at future directions for SOA, including potential developments in business intelligence and complex systems.

1. A Simple History of SOA Richard Veryard

2. SOA emerges from computing … agility economics of scale Software Modular programming Model-based development Object Orientation Software Components

3. … and distributed communication networks … interoperability Networks Internet WWW Open Systems Open Distributed Processing Net-Centricity System-of- Systems Engineering

4. … to produce powerful enterprise platforms. interoperability agility economics of scale Enterprise Application Integration Enterprise Service Bus Message-Oriented Middleware Web Service Infrastructure Networks Internet WWW Open Systems Open Distributed Processing Net-Centricity System-of- Systems Engineering Software Modular programming Model-based development Object Orientation Software Components

5. Meanwhile, business pushes onwards and outwards into a dynamic, open, and complex ecosystem. Business Long Tail Mass Customization Business As A Platform Outsourcing Loosely Coupled Organization complex open dynamic Power to the Edge Enterprise Federation

6. Thus SOA represents a convergence between technology and business trends. SOA Web Services Enterprise Mash-Ups ESB & Grid Software As A Service open complex dynamic Real-Time Enterprise Business Long Tail Mass Customization Business As A Platform Outsourcing Loosely Coupled Organization Power to the Edge Enterprise Federation Computing Modular programming Model-based development Object Orientation Software Components Networks Internet WWW Open Systems Open Distributed Processing Net-Centricity System-of- Systems Engineering agility interoperability economics of scale

7. So where do we go next? A better mousetrap ? Service-Oriented + Business Process + Business Intelligence + Complex Events + Web 2.0 + ??? World beating ? Asymmetric Demand? + Collaborative Composition? + Complex Systems of Systems? + Economics of Governance?

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