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Issue XXXV, January 2010

Standards Supporting RESTful Services

Raj Balasubramanian, Benjamin Carlyle, Cesare Pautasso

Raj Balasubramanian Benjamin Carlyle Cesare Pautasso

The REST and SOA styles are both derived from a long history of developing architectural expertise. REST is derived from the needs of the Web to enable services owned by often competing organizations to interoperate, to rapidly evolve, to operate at very large scale, and to do so in a way that supports long-term backwards-compatibility concerns. SOA is rooted in enterprise architectures that are each aimed at producing maximum value for their respective business stakeholders. This article, comprised of an excerpt from the upcoming book "SOA with REST", focuses on the Web standards most relevant to the design and development of RESTful services. Although there are some standards bodies, there is no single governing organization that controls the Web. For the most part the success of the Web is attributed to the largely decentralized nature of its governance, established by the choice of organizations and the small set of technology standards governing the Web. In large part, the Web consists of several implementations of software products, protocols, services and applications from different vendors, individuals and organizations built in compliance with the same specification and standards...

SOA Governance: How Best To Embrace it
Part II: Governance Lifecycle

Farzin Yashar

Farzin Yashar

In part one of the article series dedicated to SOA Governance, we learned about governance in general and we discussed Enterprise, IT and SOA governance and how they are related. In part II, we walk through the governance lifecycle and discuss how best we should organize for SOA and SOA governance. Services are the heart of the Service Oriented Architecture. Therefore, SOA governance has a special focus on governing services. In this section we define the lifecycle of services and we discuss the fundamental tasks for establishing governance. All services go through a consistent set of steps, starting from the creation of an original concept, all the way through analysis, design, development, testing, deployment then eventual retirement. This is actually a state-transition diagram in which each valid state is well-defined, and a specific activity has to be performed in order to move from one state to the...

Reporting on the 2nd International SOA Symposium

Joe McKendrick

Joe McKendrick

Last October, SOA and cloud practitioners and experts descended on the World Trade Center in Rotterdam for the second annual International SOA Symposium, and the mood was upbeat. For much of the year, many in the industry had been debating the viability of service oriented architecture in delivering business value, and the impact of the economy on such efforts. However, as seen in the tone of the sessions and discussion through the Symposium, it was clear that SOA was no longer a far-off vision, but had become a working reality for organizations seeking greater agility and responsiveness in today's competitive environment. Service-oriented principles and practices were being actively applied directly to real-life business problems and opportunities. The conference also was the site of the first annual International Cloud Symposium, which covered the technical and business aspects of managing services within this new paradigm encompassing and...

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