METHOD FOR SELECTIVE SERVICE UPDATES FOR COMMUNICATION NETWORKS

• US 20090210532A1
• Filed: 01/31/2007
• Published: 08/20/2009
• Est. Priority Date: 01/31/2006
• Status: Active Grant

• Current Assignee: Sun Patent Trust
• Original Assignee: Matsushita Electric Industrial Company Limited (Panasonic Holdings Corporation)
• Inventors: Kumar, Sampath Swaroop, Lim, Chun Keong Benjamin, Tan, Pek-Yew
• Granted Patent: US 8,601,127 B2
• Time in Patent Office: Days
• US Class Current: 709/226
• CPC Class Codes: H04L 12/2805 Home Audio Video Interoperability [HAVI] networks
• CPC Class Codes: H04L 12/2809 indicating that an appliance service is present in a home automation network monitoring functionality H04L43/0817; discovery or management thereof, e.g. service location protocol [SLP] or web services, H04L67/51
• CPC Class Codes: H04L 12/281 indicating a format for calling an appliance service function in a home automation network for remote control or remote monitoring of applications H04L67/025

Abstract

A method for performing selective updating procedure of service advertisements. In this method, a Master personal gateway (10a) chooses a Slave personal gateway (10c) to update from its service list (step 40). The Master personal gateway (10a) uses the service description stored in its service list to determine if the Slave personal gateway (10c) of PAN (21c) has the capabilities to use the service advertised (step 41). The Master personal gateway (10a) then forwards the service advertisement to the Slave personal gateway (10c) (step 42). The Slave personal gateway (10c) updates its service list and advertises the service within its PAN (21c) (step 43).

Claims

1. A method for performing a selective service updating procedure, the method comprising the steps of:

a Slave Personal Gateway (PG) providing its service list to a Master Personal Gateway (PG);

the Master PG storing the Slave PG service list in a Master PG service list;

the Master PG receiving a service advertisement;

the Master PG determining said received service advertisement is to be forwarded to a Slave PG; and

the Master PG forwarding the service advertisement to said selected Slave PG.

2. A method of claim 1, wherein the Slave PG service list comprises of capabilities of services that the Slave PG is interested in being updated.

3. A method of claim 1, wherein the step of Master PG determining comprises of the Master PG checking from the Master PG service list if the Slave PG has requested for capabilities update of said service specified in the service advertisement.

4. A method of claim 1, the method further comprising the steps of:

the Slave PG tagging the service advertisement according to its access rules;

the Slave PG forwarding the tagged service advertisement to the Master PG; and

the Master PG processing the tagged service advertisement with its stored access rules.

5. A method of claim 1, the method further comprising the steps of:

the Master PG identifying which Slave PG sent a service advertisement by Slave PG identification.

6. A method of claim 1, the method further comprising the steps of:

the Slave PG sending a service advertisement along with a user command to the Master PG; and

the Master PG processing the user command.

7. A method of claim 1, the method further comprising the steps of:

the Master PG storing all service advertisements from the Slave PGs within its data store; and

Slave PGs performing a service lookup to the Master PG whenever it receives a service request.

8. A method of claim 1, wherein the Master PG may function as a PNM server.

9. A method of claim 1, wherein the Slave PG need not be in a PAN, and may still receive service advertisements.