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)

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)

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)

A Case Study on SOA and Process

SOA World Magazine In this article I will present a step-by-step service-oriented solution development methodology and then describe how it is being used for the successful implementation of Service-Oriented Architecture (SOA) at a federal agency to integrate its financial systems with E-Gov Travel Services. I will discuss major service components constructed, service-oriented processes followed, business benefits gained, best practices used, and lessons learned. After reading the article, readers should have a good understanding of how SOA is used in real world situations to i... (more)

Preventing SOA Failures: A Revealing Interview About Effective SOA Governance

Governance requires collaboration. To make projects successful-SOA projects in particular-governance is an absolute must. We combined a number of common mistakes and remarks from a range of IT architects to illustrate and highlight common and critical governance issues. This article presents these issues in a mock interview with a fictional IT architect. All the examples in the interview are based on real-world experiences... ... (more)