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Vista TCP/IP Promises and Perils

Thursday, December 14th, 2006

While we haven’t had a chance to play with Vista yet, (both of us are on the road all the time and Windows Vista Desktop.jpgwe don’t have access to a lab,) we have been doing a lot of research on the new TCP/IP features of Vista and Longhorn.

We spent some time poring over a document from Microsoft’s Research Asia (the guys who designed the Compound TCP/IP [CTCP] algorithm) and it details how the algorithm works. It doesn’t detail how Microsoft has implemented the algorithm – there are alpha, beta, and gamma values that are tweakable, but it doesn’t go into how Microsoft has tweaked them. It looks like this was a document just to prove that CTCP was feasible and ready to be included in Vista.

It does teach you about the behavior of it and what to expect when seen in action, and it makes reference to the current technologies for congestion avoidance that CTCP is based on. However, there are several features of Vista of concern to those involved in network performance. Network Performance Daily: Vista’s TCP/IP Promises and Perils

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