Application: Chat
Goal: Delivering units of (human) conversation
- Interaction occurs on O(seconds)
- Sample event: “[Duke] smells a Wumpus…”
Distributed 1-1, 1-K (lecture), or K-K (forum)
Notifications range from text to multimedia
Names: email addrs, handles, channels
Security: speaker authentication, confidentiality through content encryption
Privacy: audience enumeration