I Am a Strange Loop | This appliance can help accelerate ASP.NET Web traffic over your network.

Microsoft's Live@edu, a suite of online tools focused specifically toward education, has now been expanded to include Exchange Labs, which is similar to a hosted Exchange service but with prototype features that are not yet available to the general public.

It's alive, but not quite ready. And it might be slowing down network response. You have some options for disabling IPv6 for now.