Application: Messaging
Goal: Delivering “human-actionable” content
- News occurs at O(minutes) to O(days)
- Sample event: “Today’s lunch menu is…”
Distributed 1-N (many) or 1-K (known set)
Notifications range from text to multimedia
Names: mailboxes, newsgroups, topics, etc.
Transformations: compression, batch delivery
Authenticated senders, content integrity & confidentiality