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Method and system for maintaining persistent unique identifiers for devices in a network

A technology of identifiers and networks, applied in transmission systems, digital transmission systems, data exchange networks, etc., can solve problems such as complex situations, and achieve the effect of fast error recovery

Inactive Publication Date: 2007-01-17
SAMSUNG ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The situation becomes more complicated when different device stacks and protocols are mixed in the network and the controller must use a mix of devices

Method used

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  • Method and system for maintaining persistent unique identifiers for devices in a network
  • Method and system for maintaining persistent unique identifiers for devices in a network
  • Method and system for maintaining persistent unique identifiers for devices in a network

Examples

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Embodiment Construction

[0019] In one embodiment of the present invention there is provided a method and system for automatically maintaining a permanent unique identifier for a networked device that may be removed from the network, and subsequently reintroduced into the network.

[0020] figure 1 A functional block diagram of an example of a network 10 (eg, a home network) in which embodiments of the present invention are implemented is shown. In this example, a handheld device 100 , a remote control 110 , and home electronic devices such as a DVD player 120 , a TV 130 and a CD jukebox 140 are connected to the home network 10 . The handheld device 100 and the remote controller 110 are control points (ie, controllers) for controlling home electronic devices (ie, controlled devices).

[0021] The controllers 100 and 110 discover the controlled devices 120 , 130 and 140 in the network 10 and retrieve device descriptions from the controlled devices 120 , 130 and 140 . Using the device descriptions, t...

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PUM

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Abstract

A method of maintaining persistent unique identifiers for devices interconnected in a network. Information is obtained from a device and a fingerprint generated from that information. It is then determined if the fingerprint is previously associated with an identifier in the network. If the fingerprint is not previously associated with an identifier in the network, then a new identifier associated with the fingerprint is generated, and the fingerprint and the associated new identifier is stored in a memory, wherein the new identifier forms a persistent unique identifier (PUID) for that device. Otherwise, if the fingerprint is not previously associated with an identifier in the network, then the associated identifier stored in the memory is used as the persistent unique identifier for that device.

Description

technical field [0001] The present invention relates to device identification, and more particularly to device identification in a network. Background technique [0002] Many device architecture standards for networks employ a two-device type model: a controller device (ie, controller) and a controlled device. In this model, the controller acts as the controller of the controlled device. The controller tracks the state of the controlled device to maintain connection and operation of the controlled device. In a home network environment, controlled devices may be removed from the network for different reasons such as software bugs, power failures, user intervention, and the like. In this case, if the controlled device is removed from the home network and subsequently reconnected to the home network, the controller may require the same state of the controlled device to continue previous operation without interruption . As such, a permanent unique id...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/28H04L29/06
CPCH04L2012/2849H04L12/2805H04L61/2038H04L29/12254H04L61/5038H04L12/16H04L12/28H04L65/00
Inventor 朴昊容普文·库玛艾伦·梅瑟朱胜
Owner SAMSUNG ELECTRONICS CO LTD
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