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Microsoft Cloud Authors: Pat Romanski, Andreas Grabner, Nick Basinger, Kevin Benedict, Liz McMillan

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WS-I Publishes Basic Security Profile (BSP) 1.1

This morning the Web Services Interoperability Organization (WS-I) published the Basic Security Profile (BSP), version 1.1. This is a very significant milestone, because BSP is the definitive reference that we will all use to create secure and interoperable Web services for the foreseeable future.

I have a close personal connection to Basic Security Profile. I was one of the editors of both this specification and its predecessor, BSP 1.0. It took a lot of hard work to get this far, but the results of the our working group’s labours are important for the community. We all use Web services because of their potential for interoperability, but interoperability is only practical with the formalization that WS-I offers.

People have questioned the need for BSP in a world that already has OASIS WS-Security and the handful of WS-* standards that relate to it. The truth is, formal standards like WS-Security are so broad, complex, and new that it just isn’t realistic to expect vendor implementations to integrate perfectly. The WS-I approach differs from conventional standards efforts because the focus is strictly on promoting much needed interoperability. WS-I does not define new functionality, nor does it attempt to show people the “correct” way to use existing standards; it exists to profile existing standards by refining messages, amplifying important statements, and clarifying ambiguities so that systems from different vendors can communicate securely.

WS-I promotes interoperability by providing three important components: a profile of an existing standard (or set of standards), a suite of test tools to validate conformance, and finally sample applications. Microsoft’s Paul Cotton, the chair for the BSP working group, likens this to a three-legged stool—the effort can only stand when all three legs are present. This holistic approach taken by the WS-I distinguishes it from most standards efforts by including both specification and reference.

In the case of BSP 1.1, a very important component of the effort was the vendor interop. Six companies participated in this:

This is your short list of the vendors who are serious about Web services security. Obviously, we are the odd man out in terms of size and market reach, but we believe it’s important to drive the standards, not just implement them. And this is something we will continue to do. The days of big WS-* standards efforts are over. With the release of BSP, we have what we need to secure SOA. The next big challenge will be standardization of the cloud, and Layer 7 will be there.


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More Stories By Scott Morrison

K. Scott Morrison is the Chief Technology Officer and Chief Architect at Layer 7 Technologies, where he is leading a team developing the next generation of security infrastructure for cloud computing and SOA. An architect and developer of highly scalable, enterprise systems for over 20 years, Scott has extensive experience across industry sectors as diverse as health, travel and transportation, and financial services. He has been a Director of Architecture and Technology at Infowave Software, a leading maker of wireless security and acceleration software for mobile devices, and was a senior architect at IBM. Before shifting to the private sector, Scott was with the world-renowned medical research program of the University of British Columbia, studying neurodegenerative disorders using medical imaging technology.

Scott is a dynamic, entertaining and highly sought-after speaker. His quotes appear regularly in the media, from the New York Times, to the Huffington Post and the Register. Scott has published over 50 book chapters, magazine articles, and papers in medical, physics, and engineering journals. His work has been acknowledged in the New England Journal of Medicine, and he has published in journals as diverse as the IEEE Transactions on Nuclear Science, the Journal of Cerebral Blood Flow, and Neurology. He is the co-author of the graduate text Cloud Computing, Principles, Systems and Applications published by Springer, and is on the editorial board of Springer’s new Journal of Cloud Computing Advances, Systems and Applications (JoCCASA). He co-authored both Java Web Services Unleashed and Professional JMS. Scott is an editor of the WS-I Basic Security Profile (BSP), and is co-author of the original WS-Federation specification. He is a recent co-author of the Cloud Security Alliance’s Security Guidance for Critical Areas of Focus in Cloud Computing, and an author of that organization’s Top Threats to Cloud Computing research. Scott was recently a featured speaker for the Privacy Commission of Canada’s public consultation into the privacy implications of cloud computing. He has even lent his expertise to the film and television industry, consulting on a number of features including the X-Files. Scott’s current interests are in cloud computing, Web services security, enterprise architecture and secure mobile computing—and of course, his wife and two great kids.

Layer 7 Technologies: http://www.layer7tech.com
Scott's linkedIn profile.
Twitter: @KScottMorrison
Syscon blog: http://scottmorrison.sys-con.com

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