Microsoft has revealed further details about the next version of its Passport e-business authentication service, but has not yet set a release date.
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The company is adding web services protocols such as WS-Security, as a mechanism for federating with other authentication service providers, said Microsoft's Adam Sohn, product manager in the platform strategy group at the company.
"We've been talking about the general road map for Passport for a while and that the way you'll interoperate with the system will be based on WS-Security and the associated protocols that we've been working [on] with IBM," Sohn said.
Standard protocols are needed to operate with other providers, enabling identities not generated by Passport to be accepted within Passport-compliant systems.
There are more than 200 million Passport accounts and approximately 300 websites that use it, including Microsoft's own sites.
Sohn added that web services technology in general is being added throughout Microsoft's entire software platform.