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Cisco definitely for sometime was asked by customers and partners to make an entry because I think the state of the grid today is very much a proprietary, siloed, verticalized system approach, with a number subnetworks.  The transition to IP and, specifically, IpV6-based secure networks is part of the area that I think Cisco was asked to take a leadership role, and it is not just from a technology perspective.  We work a lot with industry-level, regulatory bodies on policy, shaping the policy, working with policy makers, as well as thinking about business-process transformation and what are some of the emerging business models that will evolve because smart grid is happening today. . .