Patent ID: 8601127

Claim:
A method for communicating between a Master Personal Gateway (Master PG) and a plurality of Slave Personal Gateways (Slave PGs), the method comprising: providing a plurality of Slave PG service lists from the plurality of Slave PGs to the Master PG, at least one first Slave PG service list describing one or more services provided by at least one Slave PG that provides the at least one first Slave PG service list, and at least one second Slave PG service list describing one or more services for which at least one Slave PG that provides the at least one second Slave PG service list is interested in receiving updates; storing the plurality of Slave PG service lists at the Master PG in a Master PG service list; receiving at the Master PG a service advertisement of a service described in the Master PG service list from a Slave PG that provides that service; selecting at the Master PG one or more Slave PGs that are interested in receiving updates for the service advertised in the service advertisement; and forwarding the service advertisement from the Master PG to the selected one or more Slave PGs.