Searching for a tool to simulate a poor network connection? Here is the solution. It’s called Network Emulator Toolkit (NEWT) and is available in a 32 Bits version and a 64 Bits version.

Download.
Network Emulator Toolkit 32-Bits.
Network Emulator Toolkit 64-Bits.

There is a new version of this tool, see the comment from Lonny Kruger. He wrote a blog about it. http://blogs.msdn.com/lkruger/archive/2009/06/08/introducing-true-network-emulation-in-visual-studio-2010.aspx

Disclaimer.
The information in this article is provided “AS IS” with no warranties, and confers no rights. This article does not represent the thoughts, intentions, plans or strategies of my employer. It is solely my opinion.