CN101483604A - Method, apparatus and system for resource list sending - Google Patents
Method, apparatus and system for resource list sending Download PDFInfo
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- CN101483604A CN101483604A CNA2009100780981A CN200910078098A CN101483604A CN 101483604 A CN101483604 A CN 101483604A CN A2009100780981 A CNA2009100780981 A CN A2009100780981A CN 200910078098 A CN200910078098 A CN 200910078098A CN 101483604 A CN101483604 A CN 101483604A
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Abstract
The invention provides a resource list sending method, an apparatus and a system, wherein, the resource list sending method comprises steps of receiving a resource list sending request message sent by a client, wherein, the resource list sending request message comprises resources the client wants to acquire; when a cache storing the resources that the client wants to acquire, generating a first resource list comprising the cache information, the cache information being of a high priority level in the first resource list or the first resource list only comprising the cache information; sending the first resource list to the client which then establishes a connection with the cache. The invention also provides a corresponding apparatus and system. The resource list sending method, the apparatus and the system provided in the present invention, can assure that data is sent preferentially from the cache, therefore, the network efficiency can be further improved and the utilized bandwidth of the network can be reduced.
Description
Technical field
The present invention relates to communication technical field, particularly a kind of the Resources list sending method, device and system.
Background technology
In the internet, peer-to-peer is to peer-to-peer business (Peer to Peer, hereinafter to be referred as: flow P2P) accounts for more than 60% of total flow, and estimate to reach 3000Tbit/ every month 2011, the flow that is equivalent to 7.5 hundred million DVD, the P2P flow that increases needs a large amount of bandwidth resources fast, has proposed very high requirement to the ISP, and wherein P2P high-speed cache (Cache) technology is a kind of optimization method of P2P flow.
P2P Cache is a kind of network traffics optimisation technique, and Virtual network operator can be used for reducing relevant bandwidth expense in the content distribution on quickening the P2P network.On know-why, P2P Cache is similar to all the time the Internet Service Provider, and (Internet Service Provider ISP) is used for quickening the content cache technology of web content, perhaps is called web cache technology.P2Pcache stores content popular in the ISP network temporarily, if the content of user's request can provide in cache, then can corresponding contents is provided and satisfy this request, and therefore the P2P content be well suited for the cache technology because have very high repeatability by cache.According to estimates, general 75% P2P content has been requested repeatedly, by the Cache technology, can significantly reduce flow by link repeated downloads between net, thereby as much as possible the P2P flow restriction in the network internal of ISP, reduced the impact of the expense of inter-network settlement and P2P flow, and for the user to backbone network, P2P Cache can provide better service, at aspects such as speed, time-delays raising is arranged all.
In the prior art, file storage by will having certain download temperature is in Cache, then it is offered client as optional resource, select resource in the Peer tabulation at random, behind the file of choosing the Cache storage, in this Cache, download by client.
In addition in P4P (proactive network provider participate for P2P) business, the Resources list request that client sends to the resource index server pTracker of P2P network, pTracker sends the request suggestion to the resource index server iTracker of internet Virtual network operator, iTracker calculates according to network topology, return the Resources list suggestion that meets topology optimization to pTracker, pTracker advises according to this, selects part the Resources list and returns to the P2P terminal.
The inventor finds in realizing process of the present invention; there is following technical problem at least in prior art: though in the prior art file among the Cache is offered client as downloaded resources; but through regular meeting the phenomenon that client is not selected the resource among this Cache takes place; can't give full play to the ability of Cache system, can not improve network efficiency to greatest extent, reduce the network utilized bandwidth.
Summary of the invention
The purpose of the embodiment of the invention provides a kind of the Resources list sending method, device and system, when the request resource, preferentially selects the resource in the high-speed cache to download to realize client, further improves network efficiency, reduces the network utilized bandwidth.
For achieving the above object, the embodiment of the invention provides a kind of the Resources list sending method, comprising:
Receive the Resources list request message that client sends, described the Resources list request message comprises the resource that described client need be obtained;
When in high-speed cache, storing the resource that described client need obtain, generation comprises first the Resources list of described cache information, and described cache information has in described first the Resources list and uniquely in high priority or described first the Resources list comprises described cache information;
Described first the Resources list is sent to described client, described client and described high-speed cache are connected.
The embodiment of the invention also provides a kind of the Resources list dispensing device, comprising:
Receiver module is used to receive the Resources list request message that client sends, and described the Resources list request message comprises the resource that described client need be obtained;
The Resources list generation module, be used for when high-speed cache stores the resource that described client need obtain, generation comprises first the Resources list of described cache information, and described cache information has in described first the Resources list and uniquely in high priority or described first the Resources list comprises described cache information;
First sending module is used for described first the Resources list is sent to described client, and described client and described high-speed cache are connected.
The embodiment of the invention also provides a kind of the Resources list transmitting system, comprising:
Client is used to send the Resources list request message;
The Resources list dispensing device is used to receive the Resources list request message that client sends, and described the Resources list request message comprises the resource that described client need be obtained; Be used for when high-speed cache stores the resource that described client need obtain, generation comprises first the Resources list of described cache information, and described cache information has in described first the Resources list and uniquely in high priority or described first the Resources list comprises described cache information; Be used for described first the Resources list is sent to described client, described client and described high-speed cache are connected.
The Resources list sending method, device and system that the embodiment of the invention provides, by at the Resources list dispensing device when client sends the Resources list, send the Resources list that only comprises cache information earlier, send complete the Resources list afterwards again, or be set to high priority by cache information in the Resources list that sends, i.e. limit priority or higher priority.Can guarantee that client first obtains resource from high-speed cache,, improve network efficiency, reduce the network utilized bandwidth to realize making full use of of high-speed cache.The Resources list sending method, device and the system that the embodiment of the invention provides is applicable to P2P system and P4P system.
Description of drawings
Fig. 1 is the schematic flow sheet of the Resources list sending method embodiment of the present invention;
Fig. 2 is the schematic flow sheet of the Resources list sending method first specific embodiment of the present invention;
Fig. 3 is the schematic flow sheet of the Resources list sending method second specific embodiment of the present invention;
Fig. 4 is the schematic flow sheet of the Resources list sending method the 3rd specific embodiment of the present invention;
Fig. 5 is the schematic flow sheet of the Resources list sending method the 4th specific embodiment of the present invention;
Fig. 6 is the structural representation of the Resources list dispensing device first embodiment of the present invention;
Fig. 7 is the structural representation of the Resources list dispensing device second embodiment of the present invention;
Fig. 8 is the structural representation of the Resources list transmitting system embodiment of the present invention.
Embodiment
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
The technical scheme that the Resources list that the embodiment of the invention provides issues, in the time of can guaranteeing to store the business datum of client-requested among the high-speed cache Cache, issuing service data from Cache.
Fig. 1 as shown in Figure 1, comprises the steps: for the schematic flow sheet of the Resources list sending method embodiment of the present invention
The Resources list request message that step 101, reception client send, above-mentioned the Resources list request message comprises the resource that described client need be obtained;
The Resources list by will only comprising cache information in the present embodiment or cache information send to client as the Resources list of high priority, can guarantee that client is after receiving the Resources list, from high-speed cache, obtain the wherein business datum of storage, this the Resources list sending method, can give full play to the ability of Cache system, further improve network efficiency, and further reduce the network utilized bandwidth.
In the above-described embodiments, the Resources list dispensing device is when sending to client with the Resources list, can judge earlier whether high-speed cache surpasses rated load, when high-speed cache does not surpass rated load, again first the Resources list is sent to client, so that client and aforementioned cache connect.In addition in the above-described embodiments, in first the Resources list, only comprise under the situation of cache information, the Resources list dispensing device can also be set the Resources list update time, when receiving the Resources list update inquiry information, the complete the Resources list that will comprise cache information sends to client, this mainly is because the business datum that may be cached at storage is the part of user's requested service data, and other part is present in other resource in the Resources list.
Fig. 2 comprises the steps: for the schematic flow sheet of the Resources list sending method first specific embodiment of the present invention
Store business datum in the high-speed cache that present embodiment provides, this business datum is the business datum with higher popularity, concrete can be by the DPI detector identification P2P control plane information wherein that is arranged on each PoP points or network traffics aggregation node, being forwarded to redirector then handles, the P2P protocol signaling wherein of redirector analysis wherein, and therefrom obtain the popularity information and the file location information of this business datum, if the popularity of file has reached preset threshold value, then obtain this business datum and be stored in the high-speed cache according to file location information.
Fig. 3 as shown in Figure 3, comprises the steps: for the schematic flow sheet of the Resources list sending method second specific embodiment of the present invention
The Resources list sending method that present embodiment provides is applicable in P2P and the P4P business, can give full play to the ability of Cache system, further improves network efficiency, reduces the network utilized bandwidth.
Embodiment of the invention the Resources list of also providing the Resources list sending method cache information can be had high priority sends to client in addition.Also can make client preferably obtain business datum in this high-speed cache.
Fig. 4 as shown in Figure 4, comprises the steps: for the schematic flow sheet of the Resources list sending method the 3rd specific embodiment of the present invention
The resource that step 405, client are selected to provide in the Resources list according to the height of priority connects, and wherein preferentially obtains resource from high-speed cache.
Present embodiment as high priority, can be given full play to the ability of Cache system with cache information by the Resources list that is provided with priority is provided, and further improves network efficiency, reduces the network utilized bandwidth.
The situation that the foregoing description relates to use in P2P also can be used in P4P in addition, specifically sees following embodiment.Fig. 5 as shown in Figure 5, comprises the steps: for the schematic flow sheet of the Resources list sending method the 4th specific embodiment of the present invention
The request suggestion that step 504, pTracker return according to iTracker is replied and is made up a Resources list, and in this Resources list, cache information is listed in the resource of high priority;
In above-mentioned two embodiment of the present invention, by cache information is added in the Resources list, and with it as resource with high priority, can give full play to the ability of Cache system, further improve network efficiency, reduce the network utilized bandwidth.
Fig. 6 is the structural representation of the Resources list dispensing device first embodiment of the present invention, as shown in Figure 6, comprise receiver module 11, the Resources list generation module 12 and first sending module 13, wherein receiver module 11 is used to receive the Resources list request message that client sends, and described the Resources list request message comprises the resource that described client need be obtained; The Resources list generation module 12 is used for when high-speed cache stores the resource that described client need obtain, generation comprises first the Resources list of described cache information, and described cache information has in described first the Resources list and uniquely in high priority or described first the Resources list comprises described cache information; First sending module 13 is used for described first the Resources list is sent to described client, and described client and described high-speed cache are connected.
The Resources list dispensing device in the present embodiment can be equivalent to the redirector in the P2P system, in the P4P system, then can be arranged among the pTracker.The Resources list dispensing device in the present embodiment sent the Resources list that only comprises cache information to it earlier before complete the Resources list is sent to client, can guarantee that client first obtains business datum from high-speed cache, and then can give full play to the ability of Cache system, further improve network efficiency, reduce the network utilized bandwidth.
Fig. 7 is the structural representation of data list dispensing device second embodiment of the present invention, as shown in Figure 7, comprise the module 25 and second sending module 26 are set receiver module 21, the Resources list generation module 22, first sending module 23, judge module 24, update time, wherein receiver module 21 is used to receive the Resources list request message that client sends, and the Resources list request message comprises the resource that described client need be obtained; The Resources list generation module 22 is used for when high-speed cache stores the resource that described client need obtain, generation comprises first the Resources list of described cache information, and described cache information has in described first the Resources list and uniquely in high priority or described first the Resources list comprises described cache information; First sending module 23 is used for described first the Resources list is sent to described client, and described client and described high-speed cache are connected; Judge module 24 is used to judge whether the described buffer memory of telling surpasses rated load, first sending module 23 also is used for when judge module judges that described high-speed cache does not surpass rated load, first the Resources list is sent to described client, described client and described high-speed cache are connected; Module 25 is set update time is used to be provided with the Resources list update time, first sending module 23 also is used to send the Resources list update time that module 25 settings are set update time, second sending module 26 is used for after the Resources list update inquiry information that receives the client transmission, generate and send second the Resources list, described second the Resources list is the complete the Resources list that comprises cache information.
The Resources list dispensing device in the present embodiment can be equivalent to the redirector in the P2P system, in the P4P system, then can be arranged among the pTracker.Increase at the Resources list dispensing device in the present embodiment module is set update time, set the update time of the Resources list of client, making calls request sends the Resources list update request to the Resources list dispensing device when reaching update time, with the complete the Resources list of acquisition request.
The Resources list dispensing device in the foregoing description can also comprise the resource filtering module, is used for filtering the resource information of the external network of second the Resources list.By filtering the resource information of external network, can reduce professional impact so that client is obtained data in network internal as far as possible to backbone network.
Fig. 8 as shown in Figure 8, comprises client 31 and the Resources list dispensing device 32 for the structural representation of the Resources list transmitting system embodiment of the present invention; Wherein client is used to send the Resources list request message; The Resources list dispensing device 32 is used to receive the Resources list request message that client sends, and described the Resources list request message comprises the resource that described client need be obtained; Be used for when high-speed cache stores the resource that described client need obtain, generation comprises first the Resources list of described cache information, and described cache information has in described first the Resources list and uniquely in high priority or described first the Resources list comprises described cache information; Be used for described first the Resources list is sent to described client, described client and described high-speed cache are connected.
The Resources list transmitting system that provides in the embodiment of the invention, by when sending the Resources list, cache information is sent to client as unique resource, perhaps cache information is sent to client as the high priority resource, can guarantee that client first obtains business datum from high-speed cache, and then can give full play to the ability of Cache system, and further improve network efficiency, reduce the network utilized bandwidth.Wherein for the P2P system, the Resources list dispensing device can be equivalent to redirector, and for the P4P system, the Resources list dispensing device can be arranged among the pTracker.
The Resources list sending method, device and system that the embodiment of the invention provides, by at the Resources list dispensing device when client sends the Resources list, send the Resources list that only comprises cache information earlier, or be set to high priority by cache information in the Resources list that sends, can guarantee that client first obtains business datum from high-speed cache, can further improve network efficiency, reduce the network utilized bandwidth.The Resources list sending method, device and the system that the embodiment of the invention provides is applicable to P2P system and P4P system.
It should be noted that at last: above embodiment is only in order to technical scheme of the present invention to be described but not limit it, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that: it still can make amendment or be equal to replacement technical scheme of the present invention, and these modifications or be equal to replacement and also can not make amended technical scheme break away from the spirit and scope of technical solution of the present invention.
Claims (11)
1, a kind of the Resources list sending method is characterized in that, comprising:
Receive the Resources list request message that client sends, described the Resources list request message comprises the resource that described client need be obtained;
When in high-speed cache, storing the resource that described client need obtain, generation comprises first the Resources list of described cache information, and described cache information has in described first the Resources list and uniquely in high priority or described first the Resources list comprises described cache information;
Described first the Resources list is sent to described client, described client and described high-speed cache are connected.
2, the Resources list sending method according to claim 1 is characterized in that, described first the Resources list is sent to described client, described client and described high-speed cache is connected comprise:
When judging that described high-speed cache does not surpass rated load, first the Resources list is sent to described client, described client and described high-speed cache are connected.
3, the Resources list sending method according to claim 1 is characterized in that, in that described first the Resources list is unique when comprising described cache information, describedly also comprises when first the Resources list is sent to described client:
The Resources list update time and transmission are set.
4, the Resources list sending method according to claim 3 is characterized in that, the described the Resources list that is provided with also also comprises after the transmission update time:
Receive described client and reaching the Resources list updating message that described the Resources list sent after update time;
Generation comprises complete the Resources list of described cache information and sends.
5, according to claim 1 or 4 described the Resources list sending methods, it is characterized in that, also comprise when generating the Resources list that comprises described cache information:
Filter the resource information of external network in the Resources list.
6, a kind of the Resources list dispensing device is characterized in that, comprising:
Receiver module is used to receive the Resources list request message that client sends, and described the Resources list request message comprises the resource that described client need be obtained;
The Resources list generation module, be used for when high-speed cache stores the resource that described client need obtain, generation comprises first the Resources list of described cache information, and described cache information has in described first the Resources list and uniquely in high priority or described first the Resources list comprises described cache information;
First sending module is used for described first the Resources list is sent to described client, and described client and described high-speed cache are connected.
7, the Resources list dispensing device according to claim 6 is characterized in that, also comprises:
Judge module, be used to judge whether the described buffer memory of telling surpasses rated load, described sending module is used for when judge module judges that described high-speed cache does not surpass rated load first the Resources list being sent to described client, and described client and described high-speed cache are connected.
8, the Resources list dispensing device according to claim 6 is characterized in that, also comprises:
Module is set update time, is used to be provided with the Resources list update time, described sending module also is used to send is set the Resources list update time that module is provided with update time.
9, the Resources list dispensing device according to claim 8 is characterized in that, also comprises:
Second sending module is used for generating and sending second the Resources list after the Resources list update inquiry information that receives the client transmission, and described second the Resources list is the complete the Resources list that comprises cache information.
10, the Resources list dispensing device according to claim 9 is characterized in that, also comprises:
The resource filtering module, the resource information that is used for when generation comprises second the Resources list of described cache information, filtering external network
11, a kind of the Resources list transmitting system is characterized in that, comprising:
Client is used to send the Resources list request message;
The Resources list dispensing device is used to receive the Resources list request message that client sends, and described the Resources list request message comprises the resource that described client need be obtained; Be used for when high-speed cache stores the resource that described client need obtain, generation comprises first the Resources list of described cache information, and described cache information has in described first the Resources list and uniquely in high priority or described first the Resources list comprises described cache information; Be used for described first the Resources list is sent to described client, described client and described high-speed cache are connected.
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| CN2009100780981A CN101483604B (en) | 2009-02-16 | 2009-02-16 | Method, apparatus and system for resource list sending |
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| CN2009100780981A CN101483604B (en) | 2009-02-16 | 2009-02-16 | Method, apparatus and system for resource list sending |
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| CN101854387A (en) * | 2010-05-14 | 2010-10-06 | 中国科学院计算技术研究所 | P2P flow optimization method and system based on distributed index server architecture |
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| CN102420764A (en) * | 2011-12-08 | 2012-04-18 | 北京星网锐捷网络技术有限公司 | Link establishment method and equipment |
| CN102651758A (en) * | 2011-02-28 | 2012-08-29 | 中兴通讯股份有限公司 | Method and system for distributing peer-to-peer (P2P) contents |
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| US6912622B2 (en) * | 2002-04-15 | 2005-06-28 | Microsoft Corporation | Multi-level cache architecture and cache management method for peer-to-peer name resolution protocol |
| CN100484069C (en) * | 2007-05-21 | 2009-04-29 | 华为技术有限公司 | File data distributing method and relative device |
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| CN101854387B (en) * | 2010-05-14 | 2013-03-27 | 中国科学院计算技术研究所 | P2P flow optimization method and system based on distributed index server architecture |
| CN101997922A (en) * | 2010-11-19 | 2011-03-30 | 武汉大学 | Cost optimization-based P2P streaming media coverage network topology structure adjustment method |
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