{"draft":"draft-ietf-impp-model-03","doc_id":"RFC2778","title":" A Model for Presence and Instant Messaging ","authors":["M. Day","J. Rosenberg","H. Sugano"],"format":["ASCII","HTML"],"page_count":"17","pub_status":"INFORMATIONAL","status":"INFORMATIONAL","source":"Instant Messaging and Presence","abstract":" This document defines an abstract model for a presence and instant messaging system.  It defines the various entities involved, defines terminology, and outlines the services provided by the system.  This memo provides information for the Internet community.  ","pub_date":"January 2000","keywords":["service users","MIME","multipurpose","Internet","mail","extensions"],"obsoletes":[],"obsoleted_by":[],"updates":[],"updated_by":[],"see_also":[],"doi":"10.17487\/RFC2778","errata_url":null}