DOMAIN MANAGING METHOD, DOMAIN EXTENDING METHOD AND REFERENCE POINT CONTROLLER ELECTING METHOD

• US 20090177770A1
• Filed: 03/06/2007
• Published: 07/09/2009
• Est. Priority Date: 03/06/2006
• Status: Active Grant

• Current Assignee: LG Electronics, Inc. (LG Corporation)
• Original Assignee: LG Electronics, Inc. (LG Corporation)
• Inventors: Cho, Sung-hyun, Chung, Min-gyu, Jeong, Man-soo, Park, Il-gon, Pak, Koo-yong, Kim, Soo-jung, K., Kiran Kumar
• Granted Patent: US 8,667,107 B2
• Time in Patent Office: Days
• US Class Current: 709/224
• CPC Class Codes: G06F 21/1012 to domains
• CPC Class Codes: H04L 2463/101 applying security measures for digital rights management data processing systems or methods, specially adapted for commerce, e.g. marketing, shopping, billing, auctions or e-commerce G06Q30/00
• CPC Class Codes: H04L 63/0428 wherein the data content is protected, e.g. by encrypting or encapsulating the payload
• CPC Class Codes: H04L 63/0823 using certificates cryptographic mechanisms or cryptographic arrangements for entity authentication involving certificates H04L9/3263
• CPC Class Codes: H04L 63/10 for controlling access to devices or network resources
• CPC Class Codes: H04L 63/166 at the transport layer
• CPC Class Codes: H04L 69/329 in the application layer [OSI layer 7]
• CPC Class Codes: Y10S 707/99931 Database or file accessing
• CPC Class Codes: Y10S 707/99932 Access augmentation or optimizing
• CPC Class Codes: Y10S 707/99933 Query processing, i.e. searching
• CPC Class Codes: Y10S 707/99934 Query formulation, input preparation, or translation
• CPC Class Codes: Y10S 707/99935 Query augmenting and refining, e.g. inexact access
• CPC Class Codes: Y10S 707/99936 Pattern matching access
• CPC Class Codes: Y10S 707/99937 Sorting
• CPC Class Codes: Y10S 707/99938 Concurrency, e.g. lock management in shared database
• CPC Class Codes: Y10S 707/99939 Privileged access
• CPC Class Codes: Y10S 707/9994 Distributed or remote access
• CPC Class Codes: Y10S 707/99941 Database schema or data structure

Abstract

A method of managing a domain, a method of extending a domain, and a method of selecting a reference point controller are provided. The method of operating the domain includes: receiving a request for authenticating a reference point controller from a reference point controller candidate; invalidating a membership of the stored reference point controller; generating a unique reference point controller membership for verifying that the reference point controller candidate is a new reference point controller; and transmitting the generated reference point controller membership to the reference point controller candidate. Accordingly, even when an error occurs in the reference point controller, the function of the reference point controller can be rapidly replaced by using the reference point controller candidate.

Claims

1-19. -19. (canceled)

20. A computer-implemented method comprising:

receiving, at a device, data describing a capability of other devices associated with a domain, from the other devices;

determining, after a predetermined amount of time has elapsed and based on the received data, whether the device has a higher capability than the other devices;

generating a message based on determining that the device has the highest capability; and

transmitting the message to the other devices.

21. The method of claim 20, wherein the transmitted message indicates that the device is elected as a master device of the domain.

22. The method of claim 20, further comprising performing a master device function using the device based on determining that the device has the higher capability.

23. The method of claim 20, further comprising receiving, at the device from an additional device, a request to join the domain.

24. The method of claim 20, wherein the determining whether the device has a higher capability than the other devices further comprises comparing a capability of the device with capabilities of the other devices.

25. A device comprising:

an interface configured to;

receive data describing a capability of other devices associated with a domain, from the other devices, and

transmit a message to the other devices; and

a processor configured to;

determine, after a predetermined amount of time has elapsed and based on the received data, whether the device has a higher capability than the other devices,

generate the message based on determining that the device has the highest capability.

26. The device of claim 25, wherein the transmitted message indicates that the device is elected as a master device of the domain.

27. The device of claim 25, wherein the processor is further configured to perform a master device function based on determining that the device has the higher capability.

28. The device of claim 25, wherein the interface is further configured to receive, from an additional device, a request to join the domain.

29. The device of claim 25, wherein the determining whether the device has a higher capability than the other devices further comprises comparing a capability of the device with capabilities of the other devices.

30. A system comprising:

one or more computers;

a computer-readable medium coupled to the one or more computers having instructions stored thereon which, when executed by the one or more computers, causes the one or more computers to perform operations comprising;

receiving, at a device, data describing a capability of other devices associated with a domain, from the other devices,

determining, after a predetermined amount of time has elapsed and based on the received data, whether the device has a higher capability than the other devices,

generating a message based on determining that the device has the highest capability, and

transmitting the message to the other devices.

31. The system of claim 30, wherein the transmitted message indicates that the device is elected as a master device of the domain.

32. The system of claim 30, further comprising performing a master device function using the device based on determining that the device has the higher capability.

33. The system of claim 30, further comprising receiving, at the device from an additional device, a request to join the domain.

34. The system of claim 30, wherein the determining whether the device has a higher capability than the other devices further comprises comparing a capability of the device with capabilities of the other devices.