[Boost-users] ASIO / IO Completion Ports (Windows)

Hi, I wonder if ASIO on Windows also implements IO Completion ports. I think this is called Proactor, right? I would be thankful if you point me to the right direction. Also, any links/examples of using ASIO with Boost::Thread (or TR1) would be very helpful. I am a newbie on ASIO & Boost Thread. Sincerely / Asif