From Overview of Collaboration Systems Tango Tutorial Alliance 98 NCSA Illinois -- April 27 98. byTangoInteractive Team
Optimal location of information servers
Transcoding services based on portal capabilities
video gateways to translate encodings between various standards
Session-based resource allocation according to task complexity, priorities, available bandwidth and connectivity
priority reservation of bandwidth based on user initiated requests (RSVP protocol)
automatic, multi-point adaptation of resources (session bandwidth, display transcoding, and object placement) within a multi-user session based on task, resource availability, connectivity, and access portal