Showing how Service-Oriented Architecture represents a coming-together of different technological and business threads.

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