Functional Model

TANGO provides support for all synchronous collaboratory functions:
- TANGO is a statefull system. It supports all functions of a synchronous collaboratory system, including session management, data/event distribution, flexible floor control, and multiple configurable security levels.
Asynchronous collaboration is supported via database back-end:
- Session recording and playback capability has been designed into the system as its fundamental component for both events and data streams.