As computer-based systems transition to a service oriented paradigm, they still must be highly reliable, secure, available, timely, fault-tolerant, and dependable. Unfortunately, it might be even harder to achieve these high assurance requirements in service oriented systems because, unlike traditional systems, services can be designed in-house or delivered by third parties. In this issue, we present five articles that explore the latest research in high-assurance service oriented architectures.

>>See the full table of contents for the August issue.

Features August 2008 Guest Editors’ Introduction High-Assurance Service-Oriented Architectures Jing Dong, University of Texas at Dallas; Raymond A. Paul, US Department of Defense: Liang-Jie Zhang, IBM T.J. Watson Research Center

News August 2008 News Features

Entertainment Computing August 2008 The Future is Virtually Here Michael van Lent The move to living in virtual worlds has already begun.

The Known World August 2008 Figures in the Distance David Alan Grier

How Things Work August 2008 Advanced Noise Reduction for Mobile Telephony Lloyd Watts Mobile telephones now contain advanced noise reduction based on the operation of the human hearing system.

Software Technologies August 2008 Seven Principles of Software Testing Bertrand Meyer, ETH Zurich and Eiffel Software Software testing is about producing failures.

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