Giving users control of identity

Special report: Despite federation's alluring promise, legal and governance issues have been holding it back. "In many places, such as your company Web site, federation just isn't possible using traditional methods," Philip Windley explains. That's where the notion of 'user-centric identity comes into play. "The key to this burgeoning revolution in identity is the fact that the technology places employees, clients, partners, and customers in the driver's seat when it comes to relaying their identity." Federating identity for the Web. As with many technologies, user-centric federation faces something of a battle to win widespread adoption in the enterprise. On the standards front, it comes down to CardSpace and OpenID. And it's not too early to start exploring, Windley urges. "You can use both OpenID and CardSpace now on a variety of sites on the Web. If you really want to get your hands dirty, good libraries and toolkits are available for CardSpace and OpenID." Related podcasts: An identity layer for the Web, and User-centric identity in the enterprise.

Sustainable IT: Emerson Network Power issued as a free download a how-to guide it calls "Energy Logic: Reducing Data Center Energy Consumption by Creating Savings that Cascade Across Systems." Ted Samson calls it "an impressive piece of work" that outlines ten interrelated technology strategies that comprise a holistic approach to improving datacenter efficiency. The report starts at the server component level, moves on to power supplies, then power-management software, server virtualization, and so on. Emerson delivers free blueprint for building power-efficient datacenter.

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