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Method and device for multi-hop resource discovery

A technology for discovering and sending resources, which is applied in the field of communication and can solve problems that cannot be found by other platforms

Active Publication Date: 2020-03-06
HAIER YOUJIA INTELLIGENT TECH (BEIJING) CO LTD +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention provides a method and device for multi-hop resource discovery, which is used to solve the problem in the prior art that resource discovery initiators can only search and find resources on the platform on which they are registered or are registered, but cannot discover other platforms

Method used

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  • Method and device for multi-hop resource discovery

Examples

Experimental program
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Embodiment 1

[0041] The embodiment of the present invention provides a multi-hop resource discovery method, which is applied on the resource discovery platform side, such as figure 1 As shown, the method specifically includes:

[0042] Step S101, the platform receives a resource discovery request carrying multi-hop discovery constraint information;

[0043] Step S102, the platform performs resource discovery on its own platform according to the multi-hop discovery constraint condition information, or forwards the resource discovery request to the next platform;

[0044] Wherein, when resource discovery is performed on this platform, if the discovery result is obtained or the discovery result is not obtained but this platform is the last hop of discovery, then the resource discovery initiating platform will feed back the discovery result information of this hop; otherwise, update the A resource discovery request is sent to the next platform after multi-hop discovery of constraint informati...

Embodiment 2

[0057] An embodiment of the present invention provides a method for multi-hop resource discovery, which is applied on the resource discovery initiation platform side. This method cooperates with the method described in Embodiment 1 to perform multi-hop resource discovery, as shown in figure 2 As shown, it specifically includes the following steps:

[0058] Step S201, the resource discovery initiating platform initiates a resource discovery request to the first hop platform; the resource discovery request carries multi-hop discovery constraint information, so that the platform receiving the request can discover its own platform or forward the request to the next platform judgment;

[0059] Step S202, the resource discovery initiating platform obtains the discovery result of a certain platform, and when the discovery result and the corresponding hops do not meet the set termination conditions, follow the original path from the first hop platform to the certain platform Continu...

Embodiment 3

[0062] An embodiment of the present invention provides a method for multi-hop resource discovery. This embodiment describes the implementation process of the method described in this embodiment by disclosing a specific application example.

[0063] Such as image 3 As shown, the method described in this embodiment includes the following steps:

[0064] Step S301, the resource discovery initiating platform (hereinafter referred to as "initiator") sends a discovery request to CSE1, which carries a limit on the number of search and discovery hops, that is, limits the discovery on a maximum of several platforms, and if the number of hops is 5, that is, at most 5 Discovery on a platform.

[0065] Step S302. After receiving the request, CSE1 checks whether the request carries a hop limit. If it does not carry it, or the hop limit is 1, it means that only the current platform needs to be searched to find the required resources. If it carries a hop limit and is greater than 1 for se...

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Abstract

The present invention discloses a method and an apparatus for discovering a resource through multiple hops. The method comprises the steps as follows: a platform receives a resource discovery request carrying multi-hop discovery constrained condition information; the platform performs resource discovery at the platform according to the multi-hop discovery constrained condition information or forwards the resource discovery request to a next platform, wherein, when the platform performs the resource discovery at the platform, if the platform obtains a discovery result or does not obtain a discovery result but the platform is the final hop of discovery, the platform feeds back discovery result information of this hop to a resource discovery initiation platform, and otherwise, the platform transmits the resource discovery request to the next platform after updating the multi-hop discovery constrained condition information. According to the method of the present invention, through multiple hops, an initiator can obtain much more and more comprehensive resource information.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a method and device for multi-hop resource discovery. Background technique [0002] Machine-to-machine communication refers to data communication between machines without human participation. It is applicable to scenarios such as traffic control management, remote meter reading, remote monitoring, medical monitoring, and smart home control. In order to provide a standardized interface between the machine and the equipment of the machine communication system, the OneM2M standard organization defines the standard specification of the machine communication system. [0003] In this specification, initiators can initiate a resource discovery process to search for resources on their registered platforms. The resource discovery request can carry a filter to limit the scope of the found results, and can also carry a result upper limit to limit the size of the found result...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W48/16H04W40/22
CPCH04W4/70H04W40/22H04W48/16
Inventor 李娜
Owner HAIER YOUJIA INTELLIGENT TECH (BEIJING) CO LTD
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