Jian Jeff Zhong

Microsoft Developer's Journal Microsoft's Windows Communication Foundation (WCF) is an effective framework for implementing services as well as service consumers. Whenever you deal with WCF communication objects you need to pay attention to the disposal of the resources that these objects hold. However, these disposal mechanisms are not that straightforward and are very much related to how resources need to be cleaned up. The how and why of cleaning up service resources is the topic of this article. Although the samples herein are focused on consuming services using synchronous communication, they are equally relevant for asynchronous communications... ... (more)

Introducing the SOA Manifesto by The SOA Manifesto Working Group

Following 10 months of on-and-off planning and dialog and the efforts of 17 working group members, the official manifesto for service-oriented architecture and service-orientation was finalized and announced on October 23, 2009 at the 2nd International SOA Symposium in Rotterdam. Visit www.soa-manifesto.org to view the declaration as represented by a set of core values and guiding principles for realizing those values. You can show your support for the SOA Manifesto by registering on this site as a signatory. ... (more)

Towards a DoD Service Oriented Architecture Competency Center: Technology is the Least of Concerns

Cloud Computing Journal The Department of Defense (DoD) leadership understands the importance of Service-Oriented Architectures (SOAs), Cloud computing, Software as a Service (SaaS), and other emerging technological methodologies, standards, and practice. Historically, information has been restricted to small groups or individuals. In a general sense, the critical need to properly and securely share, reuse, and provide information services are often blocked by issues of security, lack of understanding, misinformation, and legacy thinking... ... (more)

The SOA Magazine Issue XXXII September 2009

This year's International SOA Symposium should be an event to remember. The emphasis on Next Generation SOA topics has resulted in a lot of sessions focused on service technology and practice innovation. The co-located Cloud Symposium not only ended up expanding the overall scope of the conference agenda, but also introduced new speakers from participating organizations, like Amazon and Google, who will be talking about their respective cloud platforms. This year also marks the incorporation of on-site working groups that will be actively meeting during the conference. The SOA Pa... (more)

A Case Study on SOA and Process: Integrating E-Gov Travel Services with Federal Agency Financial Systems (Part II)

In part I of the article, I have described the first four steps of an eight-step SOA development methodology with a focus on architecture, design and abstract thought process. In part II, I will continue to discuss the last four steps concentrating on Web service development, deployment, tests and management. I will then benchmark the case study against industry SOA principles, summarize lessons learned from this real world project and finally share with readers about my considerations for future SOA engagement and practices. After reading both parts, readers should have a comple... (more)