My recommendations of IBM developerWorks last week: "OpenID for Java Web applications"
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OpenID is one of the method which enables single-sign-on capability among web applications securely. Series Part 1 had been published in January, and introduces overview of OpenID authentication, such as how to work and identifiers, using MyOp
Series Part 2 has been published last week, and they focus OpenID authentication specs with sample source code in this document. So I expect that this page would have as many pageviews as the first ones.
OpenID is one of the main SSO(Single Sign On) key technologies, and became popular method in many social network sites not only in United States, but also in Japan too.
IBM is one of the Corporate Board Members of OpenID Foundation, and would lead tech