Appendix E.1: Glossary

E.1 IM Specific Glossary A

Access Rules

These rules serve as constraints on how a Presence Ser Vice makes Presence Information available to Watchers. For each Presentity's Presence Information, the applicable Access Rules are manipulated by the Presence User Agent of a Principal that controls the Presentity.

Administrator

A Principal with authority over local computer and network resources, who manages local Domains or Firewalls. For security and other purposes, an Administrator often needs or wants to impose restrictions on network usage based on traffic type, content, volume, or endpoints. A Principal's Administrator has authority over some or all of that Principal's computer and network resources.

C

Closed

A distinguished value of the STATUS marker. In the context of Instant Messages, this value means that the associated Instant Inbox Address, if any, corresponds to an Instant Inbox that is unable to accept an Instant Message. This value may have an analogous meaning for other Communication Means, but any such meaning is not defined by this model. Contrast with Open.

Communication Address

Consists of Communication Means and Contact Address.

Communication Means

Indicates a method whereby communication can take place. Instant Message Service is one example of a Communication Means.

Contact Address

A specific point of contact via some Communication Means. When using an Instant Message Service, the Contact Address is an Instant Inbox Address.

D

Delivery Rules

Constraints on how an Instant Message Service delivers received Instant Messages to Instant Inboxes. For each Instant Inbox, the applicable Delivery...