共用方式為


3.1.4 Message Processing Events and Sequencing Rules

This section specifies the capability negotiation mechanisms and each of the interfaces used by COMA.

All COMA servers MUST support the following interfaces:

A COMA server MAY<279> additionally support one or more of the following interfaces:

Except where otherwise stated, if a server supports an interface, it MUST implement all of the methods specified for the interface.