A decade later, this capability would be termed "
desktop sharing", with
VNC being a major player. One difference between
VNC and SharedX is that SharedX allows fine-grained sharing of any
X window or group of
X windows among any number of users, while
VNC only allows sharing of the entire desktop. SharedX was conceived by
Philip Gust at
HP Labs, where he developed several implementations between 1986 and 1987. It was first presented and demonstrated at the 2nd Annual X Technical Conference. A proxy server version based on
X11 protocol extensions was subsequently developed by
Philip Gust and his team at
HP Labs, including
Dan Garfinkel,
Steve Lowder, and
Mike Lemon. This version was presented and demonstrated at the 3rd Annual X Technical Conference. In addition to window sharing, this version of SharedX also provided extensible "floor control" policies to mediate multi-user interaction, and meeting tools such as virtual meeting rooms, avatars, "telepointers" and voting. Functions such as calendaring, note taking, and "whiteboarding" were provided by sharing standard desktop applications. An experimental video sharing and teleconferencing system was also developed by
Darren Leigh, an MIT intern working with the team. The SharedX technology subsequently transferred to a product division, where it was incorporated into
HP's
X Window server that is supplied in versions of
HP-UX. An article on SharedX later appeared in the
Hewlett-Packard Journal A number of subsequent research projects and publications have built on or cited SharedX. ==Notes==