I-D ACTION:draft-wolf-vpp-00.txt

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	Title		: VPP: Virtual Presence Protocol
	Author(s)	: K. Wolf
	Filename	: draft-wolf-vpp-00.txt
	Pages		: 42
	Date		: 31-Jul-98
	
   The purpose of the Virtual Presence Protocol (VPP) protocol is to
   enable the exchange of document based virtual presence information.
   Virtual presence information is the foundation for virtual
   neighborhood services which provide users with information about
   virtual neighbors, i.e. other users who are close within the virtual
   document space. VPP enables the creation of dynamic vicinities based
   on hypertext references. It is not meant to replace or supersede
   presence notification protocols, but it augments online presence with
   location information. The protocol described in this document is
   based on 2 years of experience with location based virtual presence
   and presence notification.
 
   The purpose of presence notification protocols such as the drafted
   [RVP] is to tell whether another individual is online or arrives
   online, etc. As opposed to such real online presence, the presence on
   documents in the World Wide Web is a virtual one. The authors
   recognize that VPP shares methods, mechanisms, and formats with HTTP,
   and drafted presence notification protocols (e.g. RVP), however the
   functionality is significantly different.


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