terminal server is that type of server which is mainly used for desktop capturing but now it is used very rarely used because some software like team viewer , vnc etc for more information : shikshawse.com
What a load of nonsense. We use Terminal Services (now more popularly known as RDP) all the time. It's free with Windows Server, very secure, and very very fast. We used to use software like PCAnywhere (too expensive for no useful additional benefits), tried VNC (too slow), but Terminal Services is fault free. Wherever you're getting your information from is wrong....ah, but I see you're attempting to sell your own solution! That explains your completely biased "analysis".