Patent ID: 7181490

Claim:
An event gateway apparatus, comprising: a network interface that is communicatively coupled to a network comprising a logical group having two or more packet data routers as members; an event bus interface that is communicatively coupled to a software event bus configured to receive event subscribe requests comprising subject identifiers, to logically subscribe a specified network device to events having a matching subject identifier, and to logically publish events having the matching subject identifier to the specified network device; a data store comprising a stored mapping that associates a plurality of routers with the logical group and that associates the logical group with one or more events that can pass over the event bus to the router; automatic event subscription logic encoded in one or more media for execution and when executed operable to: receive an event subscribe request from the router that includes a router identifier that uniquely identifies the router and an event identifier; in response to receiving the event subscribe request: locating the router identifier and the event identifier in the mapping; identifying the logical group of which the router is a member; based on the logical group, router identifier and event identifier, identifying an event subject list that identifies all subjects that are available using the event bus and to which the router should subscribe; and sending one or more event subscribe requests to the event bus that request the event bus to subscribe the router to all events in the event subject list.