CN104967967A - Multi-hop resource finding method and apparatus - Google Patents
Multi-hop resource finding method and apparatus Download PDFInfo
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- CN104967967A CN104967967A CN201510283560.7A CN201510283560A CN104967967A CN 104967967 A CN104967967 A CN 104967967A CN 201510283560 A CN201510283560 A CN 201510283560A CN 104967967 A CN104967967 A CN 104967967A
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- 230000009191 jumping Effects 0.000 claims description 35
- 230000005540 biological transmission Effects 0.000 claims description 6
- 239000003999 initiator Substances 0.000 abstract 1
- 102100029091 Exportin-2 Human genes 0.000 description 6
- 101000770958 Homo sapiens Exportin-2 Proteins 0.000 description 6
- 238000004891 communication Methods 0.000 description 5
- 101150119033 CSE2 gene Proteins 0.000 description 4
- 101100007792 Escherichia coli (strain K12) casB gene Proteins 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
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- 238000005516 engineering process Methods 0.000 description 2
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- 101100273269 Thermus thermophilus (strain ATCC 27634 / DSM 579 / HB8) cse3 gene Proteins 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/70—Services for machine-to-machine communication [M2M] or machine type communication [MTC]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/005—Discovery of network devices, e.g. terminals
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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
The present invention relates to communication technical field, particularly relate to the method and apparatus that a kind of multi-hop finds resource.
Background technology
The communication of machine to machine refers to the data communication not needing between machine to carry out when artificially participating in, and is applicable to the scenes such as such as traffic control and management, remote meter reading, remote monitoring, medical monitoring, Intelligent housing.In order to provide standard interface to the equipment room of machine and machine communication system, OneM2M normal structure defines the standard criterion of machine communication system.
In this specification, promoter can initiate resource discovering flow process, searches for the resource on the platform of its registration.Filter can be carried in resource discovering request to limit the scope of the result of discovery, result higher limit can also be carried to limit the result sizes found.
But in prior art, promoter can only search for the resource found on its platform of registering or being registered, can not find other platforms.This just greatly limit the scope that search finds, impact search finds the comprehensive of result.
Summary of the invention
The invention provides a kind of multi-hop and find the method and apparatus of resource, in order to solve resource discovering promoter in prior art can only search for find that it is registered or is registered platform on resource, the problem that can not find other platforms.
According to one aspect of the present invention, provide a kind of multi-hop to find the method for resource, comprising:
Platform receives the resource discovering request carrying multi-hop discovery constraints information that upper hop platform sends;
Platform finds constraints information according to described multi-hop, only carries out resource discovering at this platform, or, after this platform carries out resource discovering, revise described discovery constraints information, and down hop platform sends resource discovering request;
The resource discovering result upper hop platform obtained sends by platform.
Alternatively, in the method for the invention, described discovery constraints information comprises: find jumping figure restricted information and/or find result upper-limit information.
Alternatively, in the method for the invention, when described platform judges this platform as final jump according to the discovery jumping figure restricted information carried in resource discovering request, and/or, platform to be more than or equal in the result of carrying in resource discovering request in limited time at the resource results number that this platform finds, only carry out resource discovering at this platform; Otherwise, after this platform carries out resource discovering, revise described discovery constraints, and down hop platform sends resource discovering request.
Alternatively, in the method for the invention, described amendment described discovery constraints information, comprise: the discovery jumping figure carried in the resource discovering request received restriction is subtracted one, and/or, the discovery result upper limit of carrying in the resource discovering request received is deducted the discovery number of results that this platform searches.
Alternatively, in the method for the invention, the resource discovering result upper hop platform obtained sends by described platform, specifically comprises:
The result found in the search of this platform sends directly to upper hop platform by platform; Or the discovery result of this platform and down hop platform, after the discovery result receiving the transmission of down hop platform, is sent to upper hop platform by platform.
According to another aspect of the present invention, a kind of resource discovering platform is provided, comprises:
Request reception unit, for receiving the resource discovering request carrying multi-hop discovery constraints information that upper hop platform sends;
Resource discovering unit, for finding constraints information according to described multi-hop, only carries out resource discovering at this platform, or, after this platform carries out resource discovering, revise described discovery constraints information, and down hop platform sends resource discovering request;
Result reports unit, sends for the resource discovering result upper hop platform that will obtain.
Alternatively, in resource discovering platform of the present invention, described discovery constraints information comprises: find jumping figure restricted information and/or find result upper-limit information.
Alternatively, in resource discovering platform of the present invention, described resource discovering unit, during specifically for judging this platform as final jump according to the discovery jumping figure restricted information carried in resource discovering request, and/or, the resource results number found at this platform to be more than or equal in the result of carrying in resource discovering request in limited time, only carries out resource discovering at this platform; Otherwise, after this platform carries out resource discovering, revise described discovery constraints, and down hop platform sends resource discovering request.
Alternatively, in resource discovering platform of the present invention, described resource discovering unit, revise described discovery constraints information, specifically comprise: the discovery jumping figure carried in the resource discovering request received restriction is subtracted one, and/or, the discovery result upper limit of carrying in the resource discovering request received is deducted the discovery number of results that this platform searches.
Alternatively, in resource discovering platform of the present invention, described result reports unit, specifically for the result found in the search of this platform being sent directly to upper hop platform; Or the discovery result of this platform and down hop platform, after the discovery result receiving the transmission of down hop platform, is sent to upper hop platform by platform.
Beneficial effect of the present invention is as follows:
The present invention finds constraints to carry multi-hop in resource discovering request, and propose a kind of solution can searching for discovery resource on multiple platforms, by multi-hop, promoter can get more more full resource informations.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The flow chart of the method for a kind of multi-hop discovery resource that Fig. 1 provides for the embodiment of the present invention one;
The flow chart of the method for a kind of multi-hop discovery resource that Fig. 2 provides for the embodiment of the present invention two;
The flow chart of the method for a kind of multi-hop discovery resource that Fig. 3 provides for the embodiment of the present invention three;
The structured flowchart of a kind of resource discovering platform that Fig. 4 provides for the embodiment of the present invention four.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment one
The embodiment of the present invention provides a kind of multi-hop to find the method for resource, and be applied in resource discovering platform side, as shown in Figure 1, described method specifically comprises the steps:
Step S101, platform receives the resource discovering request carrying multi-hop discovery constraints information that upper hop platform sends; Wherein, when platform is the first jumping platform, so its upper hop platform is then resource discovering promoter.
Step S102, platform finds constraints information according to described multi-hop, only carries out resource discovering at this platform, or, after this platform carries out resource discovering, revise described discovery constraints information, and down hop platform sends resource discovering request;
Step S103, the resource discovering result upper hop platform obtained sends by platform.
Set forth based on above-mentioned principle, provide several concrete and preferred implementation below, in order to refinement and the function optimizing method described in the embodiment of the present invention, to make the enforcement of the present invention program more convenient, accurately.It should be noted that, when not conflicting, following feature can combination in any mutually.
In the embodiment of the present invention, described discovery constraints information comprises but is not limited to: find jumping figure restricted information and/or find result upper-limit information.
Further, in the embodiment of the present invention, when platform judges this platform as final jump according to the discovery jumping figure restricted information carried in resource discovering request, and/or, platform to be more than or equal in the result of carrying in resource discovering request in limited time at the resource results number that this platform finds, only carry out resource discovering at this platform; Otherwise, after this platform carries out resource discovering, revise described discovery constraints, and down hop platform sends resource discovering request.
Further, in the embodiment of the present invention, to exclude this jumping for principle, revise described discovery constraints information, particularly: the discovery jumping figure carried in the resource discovering request received restriction is subtracted one, and/or, the discovery result upper limit of carrying in the resource discovering request received is deducted the discovery number of results that this platform searches.
Further, in the embodiment of the present invention, the resource discovering result upper hop platform obtained sends by described platform, specifically comprises:
The result found in the search of this platform sends directly to upper hop platform by platform; Or the discovery result of this platform and down hop platform, after the discovery result receiving the transmission of down hop platform, is sent to upper hop platform by platform.
In sum, the present invention finds constraints to carry multi-hop in resource discovering request, and propose a kind of solution can searching for discovery resource on multiple platforms, by multi-hop, promoter can get more more full resource informations.
Embodiment two
The embodiment of the present invention provides a kind of multi-hop to find the method for resource, and the present embodiment is set forth the implementation process of method described in the present embodiment by disclosing an embody rule example.
As shown in Figure 2, described in the present embodiment, method specifically comprises the steps:
Step S201, promoter sends resource discovering request to platform CSE1, and wherein carry retrieval and find jumping figure restriction N, namely restriction finds at most on several platform, if jumping figure is 5, to find on 5 platforms namely at most.
After step S202, CSE1 receive request, detect in request and whether carry jumping figure restriction, if do not carried, or jumping figure is restricted to 1, then represent that only carrying out search at current platform finds resource requirement, if carry jumping figure restriction, and be greater than 1, then represent in the enterprising line search discovery of this platform, and temporarily store discovery result, simultaneously, forward this request, and make an amendment.
Step S203, CSE1 forward resource discovering request to CSE2, and jumping figure restriction is subtracted 1.
Step S204, CSE2 repeat the operation in step S202 after receiving request.
Step S205, CSE2 forward resource discovering request to CSE3, and the jumping figure carried in request is subtracted 1.
Step S206, receives the platform repetition step 202 of request, the operation of 203.
Step S207, after final jump platform CSEN receives resource discovering request, when repeating the operation in step S202, detect that jumping figure is restricted to 1, then only carry out search at current platform and find resource requirement, and the result of discovery is reported upper hop platform CSE (N-1).
Step S208, receives the platform finding result, is reported the upper hop platform of this platform, until be finally sent to promoter after the discovery result aggregator that the discovery result of reception and this platform are kept in.
Embodiment two
The embodiment of the present invention provides a kind of multi-hop to find the method for resource, and the present embodiment discloses another embody rule example, to set forth the implementation process of method described in the present embodiment.
As shown in Figure 3, described in the present embodiment, method specifically comprises the steps:
Step S301, promoter sends the request of discovery to CSE1, wherein carries the result upper limit and retrieval finds jumping figure restriction N, and namely restriction finds at most on several platform, if jumping figure is 5, to find on 5 platforms namely at most.
Step S302, after CSE1 receives request, detect in request and whether carry jumping figure restriction, if do not carried, or jumping figure is restricted to 1, then represent that only carrying out search at current platform finds resource requirement, if carry jumping figure restriction, and be greater than 1, then represent in the enterprising line search discovery of this platform, if the result found is more than or equal to the result upper limit, then stops forwarding request, and result is returned to a upper CSE; If result is less than upper limit result, then temporarily stores and find result, meanwhile, forward this request, and jumping figure restriction is subtracted 1 and the amendment result upper limit, the result upper limit being about to carry in request deducts the number of results that this platform finds.
Step S303, CSE1 forward resource discovering request to down hop platform (as CSE2).
Step S304, down hop platform repeats the operation in step S302, S303 after receiving request.
Step S305, after platform M receives resource discovering request, when repeating step S302, if in request the jumping figure that carries be restricted to 1 or the number of results that finds be greater than the result upper limit of carrying in request, then stop forwarding request, and the discovery result of this platform is returned to upper hop platform.
Step S306, receives the platform finding result, is reported the upper hop platform of this platform, until be finally sent to promoter after the discovery result aggregator that the discovery result received and this platform are kept in.
Embodiment four
The embodiment of the present invention provides a kind of resource discovering platform, as shown in Figure 4, specifically comprises:
Request reception unit 410, for receiving the resource discovering request carrying multi-hop discovery constraints information that upper hop platform sends;
Resource discovering unit 420, for finding constraints information according to described multi-hop, only carries out resource discovering at this platform, or, after this platform carries out resource discovering, revise described discovery constraints information, and down hop platform sends resource discovering request;
Result reports unit 430, sends for the resource discovering result upper hop platform that will obtain.
Based on said structure framework and enforcement principle, provide several concrete and preferred implementation under the above constitution below, in order to refinement and the function optimizing resource discovering platform of the present invention, to make the enforcement of the present invention program more convenient, accurately.Be specifically related to following content:
In the present embodiment, described discovery constraints information comprises: find jumping figure restricted information and/or find result upper-limit information.
Further, in the present embodiment, resource discovering unit 420, during specifically for judging this platform as final jump according to the discovery jumping figure restricted information carried in resource discovering request, and/or, the resource results number found at this platform to be more than or equal in the result of carrying in resource discovering request in limited time, only carries out resource discovering at this platform; Otherwise, after this platform carries out resource discovering, revise described discovery constraints, and down hop platform sends resource discovering request.
Further, in the present embodiment, resource discovering unit 420, revise described discovery constraints information, specifically comprise: the discovery jumping figure carried in the resource discovering request received restriction is subtracted one, and/or, the discovery result upper limit of carrying in the resource discovering request received is deducted the discovery number of results that this platform searches.
Further, in the present embodiment, result reports unit 420, specifically for the result found in the search of this platform being sent directly to upper hop platform; Or the discovery result of this platform and down hop platform, after the discovery result receiving the transmission of down hop platform, is sent to upper hop platform by platform.
In sum, known the present invention finds constraints to carry multi-hop in resource discovering request, and propose a kind of solution can searching for discovery resource on multiple platforms, by multi-hop, promoter can get more more full resource informations.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (10)
1. multi-hop finds a method for resource, it is characterized in that, comprising:
Platform receives the resource discovering request carrying multi-hop discovery constraints information that upper hop platform sends;
Platform finds constraints information according to described multi-hop, only carries out resource discovering at this platform, or, after this platform carries out resource discovering, revise described discovery constraints information, and down hop platform sends resource discovering request;
The resource discovering result upper hop platform obtained sends by platform.
2. the method for claim 1, is characterized in that, described discovery constraints information comprises: find jumping figure restricted information and/or find result upper-limit information.
3. method as claimed in claim 2, it is characterized in that, when described platform judges this platform as final jump according to the discovery jumping figure restricted information carried in resource discovering request, and/or, platform to be more than or equal in the result of carrying in resource discovering request in limited time at the resource results number that this platform finds, only carry out resource discovering at this platform; Otherwise, after this platform carries out resource discovering, revise described discovery constraints, and down hop platform sends resource discovering request.
4. method as claimed in claim 2 or claim 3, it is characterized in that, described amendment described discovery constraints information, comprise: the discovery jumping figure carried in the resource discovering request received restriction is subtracted one, and/or, the discovery result upper limit of carrying in the resource discovering request received is deducted the discovery number of results that this platform searches.
5. the method as described in claim 1 or 2 or 3, is characterized in that, the resource discovering result upper hop platform obtained sends by described platform, specifically comprises:
The result found in the search of this platform sends directly to upper hop platform by platform; Or the discovery result of this platform and down hop platform, after the discovery result receiving the transmission of down hop platform, is sent to upper hop platform by platform.
6. a resource discovering platform, is characterized in that, comprising:
Request reception unit, for receiving the resource discovering request carrying multi-hop discovery constraints information that upper hop platform sends;
Resource discovering unit, for finding constraints information according to described multi-hop, only carries out resource discovering at this platform, or, after this platform carries out resource discovering, revise described discovery constraints information, and down hop platform sends resource discovering request;
Result reports unit, sends for the resource discovering result upper hop platform that will obtain.
7. resource discovering platform as claimed in claim 6, it is characterized in that, described discovery constraints information comprises: find jumping figure restricted information and/or find result upper-limit information.
8. resource discovering platform as claimed in claim 7, it is characterized in that, described resource discovering unit, during specifically for judging this platform as final jump according to the discovery jumping figure restricted information carried in resource discovering request, and/or, the resource results number found at this platform to be more than or equal in the result of carrying in resource discovering request in limited time, only carries out resource discovering at this platform; Otherwise, after this platform carries out resource discovering, revise described discovery constraints, and down hop platform sends resource discovering request.
9. resource discovering platform as claimed in claim 7 or 8, it is characterized in that, described resource discovering unit, revise described discovery constraints information, specifically comprise: the discovery jumping figure carried in the resource discovering request received restriction is subtracted one, and/or, the discovery result upper limit of carrying in the resource discovering request received is deducted the discovery number of results that this platform searches.
10. the resource discovering platform as described in claim 6 or 7 or 8, is characterized in that,
Described result reports unit, specifically for the result found in the search of this platform being sent directly to upper hop platform; Or the discovery result of this platform and down hop platform, after the discovery result receiving the transmission of down hop platform, is sent to upper hop platform by platform.
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| CN201510283560.7A CN104967967B (en) | 2015-05-28 | 2015-05-28 | Method and device for multi-hop resource discovery |
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| CN201510283560.7A CN104967967B (en) | 2015-05-28 | 2015-05-28 | Method and device for multi-hop resource discovery |
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| US20120317232A1 (en) * | 2010-09-15 | 2012-12-13 | Huawei Technologies Co., Ltd. | Service processing method, method and service node for adjusting delivered content |
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| US20140095707A1 (en) * | 2011-06-03 | 2014-04-03 | Huawei Technologies Co., Ltd. | Route decision method, content delivery apparatus, and content delivery network interconnection system |
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2015
- 2015-05-28 CN CN201510283560.7A patent/CN104967967B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101262362A (en) * | 2007-03-09 | 2008-09-10 | 电子科技大学 | A method for realizing p2p network resource search method based on excitation |
| CN101741917A (en) * | 2008-11-14 | 2010-06-16 | 复旦大学 | Self-adaptive service discovery method in wireless self-organization network |
| US20120317232A1 (en) * | 2010-09-15 | 2012-12-13 | Huawei Technologies Co., Ltd. | Service processing method, method and service node for adjusting delivered content |
| US20140095707A1 (en) * | 2011-06-03 | 2014-04-03 | Huawei Technologies Co., Ltd. | Route decision method, content delivery apparatus, and content delivery network interconnection system |
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