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Method and device for multi-hop discovery of resources

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: 2020-06-02
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 discovery of resources

Examples

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Embodiment 1

[0032] 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 the following steps:

[0033] Step S101, the platform receives a resource discovery request carrying multi-hop discovery constraint information sent by the previous hop platform; wherein, if the platform is the first hop platform, then the previous hop platform is the resource discovery initiator.

[0034] Step S102, the platform performs resource discovery only on its own platform according to the multi-hop discovery constraint information, or, after resource discovery is performed on this platform, modifies the discovery constraint information and sends a resource discovery request to the next hop platform ;

[0035] In step S103, the platform sends the obtained resource discovery result to the next-hop platform.

[0036] Based on the above principles, several spe...

Embodiment 2

[0044] 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.

[0045] Such as figure 2 As shown, the method described in this embodiment specifically includes the following steps:

[0046] In step S201, the initiator sends a resource discovery request to the platform CSE1, which carries a search and discovery hop limit N, that is, a maximum of a few platforms for discovery, and if the hop count is 5, that is, a maximum of 5 platforms for discovery.

[0047] Step S202. 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, means to search and discover on this platform, and temporarily st...

Embodiment 4

[0064] An embodiment of the present invention provides a resource discovery platform, such as Figure 4 shown, including:

[0065] A request receiving unit 410, configured to receive a resource discovery request carrying multi-hop discovery constraint information sent by a previous hop platform;

[0066] The resource discovery unit 420 is configured to perform resource discovery only on this platform according to the multi-hop discovery constraint information, or, after the resource discovery is performed on this platform, modify the discovery constraint information and send it to the next hop platform resource discovery request;

[0067] The result reporting unit 430 is configured to send the acquired resource discovery result to the next-hop platform.

[0068] Based on the above structural framework and implementation principles, several specific and preferred implementation modes under the above structure are given below to refine and optimize the functions of the resourc...

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Abstract

The invention discloses a multi-hop resource finding method and apparatus. The method comprises the following steps that a platform receives a resource finding request sent from an upper-hop platform and carrying multi-hop finding constrained condition information; according to the multi-hop finding constrained condition information, the platform performs resource finding only in its own range or after performing resource finding, the platform modifies the finding constrained condition information and further sends a resource finding request to a lower-hop platform; and the platform sends acquired resource finding results to the upper-hop platform. A solution for searching and finding resources in multiple platforms by carrying multi-hop finding constrained condition information in the resource finding request is provided. With a multi-hop means, an initiator can acquire more resource information in a wider range.

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): H04L12/24H04W4/70H04W8/00
CPCH04W4/70H04W8/005
Inventor 李娜
Owner HAIER YOUJIA INTELLIGENT TECH (BEIJING) CO LTD
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