desktop sharing(repost)

i'm looking for some basic functionality for desktop sharing for windows - if possible coded in vb.net or c# for the server part and the admin software, c++ for the client software - but any other language will also be ok. question is if this can be done within my budget. there should be some small exe file that can be downloaded and executed without installation. when running the exe file the user should have to enter a session number that he gets from the remote user (by phone or email). after entering that session id the remote user should be able to see and to control (mouse, keyboard) the desktop of the client. * the software should work through firewalls * it should work on all current windows versions (2000, xp, vista) * the downloadable exe file should be as small as possible and there should not be any installation necessary on the client * performance is quite important - remote operations should run smoothly with fast internet connections * the server part should be able to handle multiple concurrent sessions - the admin software only has to handle one session at a time. as far as i know by now the system will consist of three modules: * client/host software (downloadable exe file) * connections server providing and managing the session ids * remote software controlling the client/host after the connection has been established an example for the needed functionality can be found here: [[login to view URL]][1] - i only need the basic functionality - no fancy frontend - it "just" has to be working as described. please let me know if you need any further information. thanks a lot. ## Deliverables 1) Complete and fully-functional working program(s) in executable form as well as complete source code of all work done. 2) Deliverables must be in ready-to-run condition, as follows (depending on the nature of the deliverables): a) For web sites or other server-side deliverables intended to only ever exist in one place in the Buyer's environment--Deliverables must be installed by the Seller in ready-to-run condition in the Buyer's environment. b) For all others including desktop software or software the buyer intends to distribute: A software installation package that will install the software in ready-to-run condition on the platform(s) specified in this bid request. 3) All deliverables will be considered "work made for hire" under U.S. Copyright law. Buyer will receive exclusive and complete copyrights to all work purchased. (No GPL, GNU, 3rd party components, etc. unless all copyright ramifications are explained AND AGREED TO by the buyer on the site per the coder's Seller Legal Agreement). ## Platform client/host and remote software: windows 2000, xp home/pro, vista server: windows server 2000, windows server 2003 .net 2.0 and c++ preferred if possible - but any other language will also be ok.