Treb Ryan, CEO of OpSource, speaks on many cloud topics including security, SLA, policy compliance, advancing the cloud into the enterprise, the current need for hybrid solutions and the impact of cloud computing on the IT taskforce.
In a recent posting, ZapThink analyst Ron Schmelzer tackles the belief that a system is either loosely-coupled, or it isn’t. Although the importance of loose-coupling has been known for some time, the dialogue around this post has garnered some interesting discussion.
Adopting Agile practices requires a shift in the organisation on many different levels, but can making such a change lead to serious trouble?
SOA involves creating a platform of reusable networked services. One of the most commonly requested services is identity management, which can provide a single sign-on context for a host of services. This article was written by two identity management experts from Oracle.
Michael Poulin elaborates on the differences between of governance and management and tries to explore the 'wonderland' of governance in a service-oriented environment. He defines SOA Governance, explores the relationship between governance and enterprise architecture, and discusses accountability and ownership of governance efforts, and how practitioners can instrument SOA governance.
SOA architect Michael Poulin explains the necessity for SOA governance to ensure an SOA initiative's success, and explains the role the OASIS SOA Reference Model and the accompanying SOA Reference Architecture assign to SOA Governance. Michael observes SOA governance specifics from the enterprise perspective and illustrates them with several examples of SOA Governance policies.
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In this article, Ian Robinson discusses how "consumer-driven contracts", in the form of "stories for services" and unit tests exchanged between service development streams, can strengthen the service-oriented development lifecycle. In contrast to contracts defined from the POV of the provider, consumer-driven contracts result from combining the demands of all known service consumers.
Harold van Aalst explains the need to use proper governance for SOA implementations by defining the rules, policies and standards to follow and having a tool to monitor them at runtime in order to discover when they are broken to be able to act on time. Beside the usual design-time governance, Aalst details on Development, Deployment and Runtime Governance.
Video of SOA Foundations course captured at webMethods SOA Master Class in San Francisco. Speaker Miko Matsumura covers foundational definitions and patterns for SOA.
