CN103581248A - Method and device for providing content distribution network CDN service - Google Patents
Method and device for providing content distribution network CDN service Download PDFInfo
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Abstract
The invention discloses a method and device for providing content distribution network CDN service. The method comprises the steps that wireless access network equipment monitors a service request sent by UE; according to the service request, the wireless access network equipment determines that CDN service needs providing for the UE; the wireless access network equipment establishes connection with the UE; the wireless access network equipment provides the CDN service for the UE through connection with the UE. The method and device achieve the purpose that the wireless access network equipment provides CDN service, reduce data flow of the wireless access network equipment, a core network and an internet server, overcome the defect of Backhaul return network flow pressure existing in a CDN structure in relevant technologies, and improve user experience of data service.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of supplying method and device of content distributing network CDN service.
Background technology
Along with the progressively introducing of data service, the striding forward Internet era that mobile communication realizing to mobile broadband.Under this background, telecom operators need to improve on the basis of basic pipeline, the intelligent bearing capacity of General Promotion network, network is changed to intelligent pipeline by traditional extensive pipeline, to support new business development, for client provides the integrated information service of convenient, abundant, differentiation, high performance-price ratio, this is also by the challenge and the important goal that become telecom operators and face under new competitive landscape.
At present, by flow localized content distributing network (the Content Delivery Network that waits, referred to as CDN) technology alleviates the flash pressure of backbone network and Backhaul, with improve user business experience, promote flow and be worth, become more meticulous and the intelligent network operation of differentiation, become the common strategic choice of numerous operators.
Fig. 1 is according to the schematic diagram of the CDN network architecture of correlation technique, as shown in Figure 1, in correlation technique, between core net and the Internet, dispose CDN server, this mode has alleviated backbone traffic pressure, and defect is not solve Backhaul return network flow pressure.
In correlation technique, effectively do not solve the effective scheme of Backhaul return network flow, for example, patent application and the patent No. that existing patent documentation Patent application number is CN200980120043.0 are US2011131290(A1) United States Patent (USP) describes is all CDN data communication method, what wherein CN200980120043.0 described is to determine by the popularity of resource client to which server conducts interviews, and geographical position US2011131290(A1) being to provide based on user provides the CDN method of service.As can be seen here, the scheme in correlation technique all can not solve Backhaul return network flow pressure.
For CDN structure in correlation technique, there is the problem of Backhaul return network flow pressure, not yet propose at present effective solution.
Summary of the invention
For CDN structure in correlation technique, there is the problem of Backhaul return network flow pressure, the invention provides a kind of supplying method and device of content distributing network CDN service, at least to address the above problem.
According to an aspect of the present invention, provide a kind of supplying method of content distributing network CDN service, having comprised: the service request that wireless access network equipment monitoring users equipment UE sends; Described wireless access network equipment is determined and need to be provided CDN service for described UE according to described service request; Described wireless access network equipment and described UE connect; Described wireless access network equipment is by providing CDN to serve with the described UE that is connected to of described UE foundation.
Preferably, described wireless access network equipment and described UE connect, and comprising: described wireless access network equipment is set up transmission control protocol TCP with described UE and is connected.
Preferably, described wireless access network equipment, by providing CDN to serve with the described UE that is connected to of described UE foundation, comprising: described wireless access network equipment is according to described service request, and whether judgement this locality stores the CDN resource that described service request is asked; If so, described wireless access network equipment returns to the described CDN resource of local storage to described UE; If not, described wireless access network equipment obtains described CDN resource according to described service request from Internet Server, and the described CDN resource getting is returned to described UE.
Preferably, described wireless access network equipment obtains described CDN resource according to described service request from Internet Server, comprise: described wireless access network equipment is usingd the IP address of described UE as source IP address, and the Internet Server of asking with described service request connects; Described wireless access network equipment obtains described CDN resource from described Internet Server.
Preferably, described wireless access network equipment, also comprises according to described service request after Internet Server obtains described CDN resource: described wireless access network equipment judges whether according to pre-configured storage policy the described CDN resource that storage gets; If so the described CDN resource that, described wireless access network equipment gets in this locality storage.
Preferably, described wireless access network equipment judges whether according to pre-configured storage policy the described CDN resource that storage gets, comprise: described wireless access network equipment is according to the popularity degree of described CDN resource, and/or the resource type attribute of described CDN resource, judge whether the described CDN resource that storage gets.
Preferably, described service request comprises: uniform resource position mark URL request.
Preferably, described wireless access network equipment is determined and need to be provided CDN service for described UE according to described service request, comprise: described wireless access network equipment judges whether described service request meets pre-configured CDN service strategy, if, determine and need to provide CDN service for described UE, if not, determine and do not need to provide CDN service for described UE.
Preferably, described wireless access network equipment judges whether described service request meets pre-configured CDN service strategy, comprise: the information that described wireless access network equipment carries according to described service request judges whether described service request meets pre-configured CDN service strategy, wherein, the information that described service request is carried comprise following one of at least: source IP address, object IP address, protocol number, former port numbers, destination slogan.
According to another aspect of the present invention, provide a kind of generator of content distributing network CDN service, be arranged in wireless access network equipment, having comprised: monitored module, the service request sending for monitoring users equipment UE; Determination module, need to provide CDN service for described UE for determining according to described service request; Set up module, for setting up being connected of described wireless access network equipment and described UE; Module is provided, for the described UE that is connected to by setting up with described UE, provides CDN to serve.
Preferably, described in, provide module to comprise: the first judging unit, for according to described service request, judges whether described wireless access network equipment this locality stores the CDN resource that described service request is asked; First provides unit, for judgment result is that while being, returns to the described CDN resource of local storage to described UE; Second provides unit, for, obtaining described CDN resource, and the described CDN resource getting is returned to described UE according to described service request from Internet Server when the determination result is NO described.
Preferably, described second provides unit from Internet Server, to obtain described CDN resource in such a way: described second provides IP address that unit usings described UE as source IP address, and the Internet Server of asking with described service request connects; Described second provides unit to obtain described CDN resource from described Internet Server.
Preferably, described in, provide module also to comprise: the second judging unit, for after obtaining described CDN resource, judges whether according to pre-configured storage policy the described CDN resource that storage gets; Memory cell, for judgment result is that while being, the described CDN resource getting in the local storage of described wireless access network equipment.
According to a further aspect of the invention, provide a kind of wireless access network equipment, having comprised: the generator of foregoing distributing network CDN service provided by the invention.
According to a further aspect of the invention, provide a kind of evolution base station eNodeB, having comprised: the generator of foregoing distributing network CDN service provided by the invention.
By the present invention, wireless access network equipment is monitored the service request that UE sends, according to service request, determine and need to provide CDN service for UE, wireless access network equipment and UE connect, and by providing CDN to serve with the UE that is connected to of UE foundation, realized CDN service is provided in wireless access network equipment, reduced the data traffic of wireless access network equipment and core net and Internet Server, overcome the problem that CDN structure in correlation technique exists Backhaul return network flow pressure, the user who has improved data service experiences.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, forms the application's a part, and schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is according to the schematic diagram of the CDN network architecture of correlation technique;
Fig. 2 is according to the schematic diagram of the CDN network architecture of the embodiment of the present invention;
Fig. 3 is according to the structured flowchart of the generator of the CDN service of the embodiment of the present invention;
Fig. 4 preferably provides the structured flowchart one of module according to the embodiment of the present invention;
Fig. 5 preferably provides the structured flowchart two of module according to the embodiment of the present invention;
Fig. 6 is according to the structured flowchart of the generator of the CDN service in embodiment of the present invention eNodeB;
Fig. 7 is according to the flow chart of the supplying method of the CDN service of the embodiment of the present invention;
Fig. 8 is according to the structured flowchart of the generator of the CDN service in the preferred eNodeB of the embodiment of the present invention;
Fig. 9 is according to the flow chart of the supplying method of the preferred CDN service of the embodiment of the present invention.
Embodiment
Hereinafter with reference to accompanying drawing, also describe the present invention in detail in conjunction with the embodiments.It should be noted that, in the situation that not conflicting, embodiment and the feature in embodiment in the application can combine mutually.
For CDN structure in correlation technique, have the problem of Backhaul return network flow pressure, the embodiment of the present invention provides a kind of means of communication that adopt CDN technology in wireless access network.Fig. 2 is according to the schematic diagram of the CDN structure of the embodiment of the present invention, as shown in Figure 2, in wireless access network equipment, increase the generator of CDN service, realization provides CDN service in wireless access network equipment, to reach flow localized object, overcome the problem of Backhaul return network flow pressure.The method and the device that below the embodiment of the present invention are provided are described in detail.
A kind of generator of CDN service is provided according to the invention process example, has realized CDN service is provided in wireless access network equipment, to reach flow localized object, overcome the problem of Backhaul return network flow pressure.
Fig. 3 is that as shown in Figure 3, this device mainly comprises: monitor module 10, determination module 20, set up module 30 and module 40 is provided according to the structured flowchart of the generator of the CDN service of the embodiment of the present invention.Wherein, monitor module, the service request sending for monitoring users equipment (User Equipment, referred to as UE); Determination module 20, is coupled with monitoring module 10, for determining according to service request, need to provide CDN service for UE; Set up module 30, be coupled with determination module 20, for setting up being connected of wireless access network equipment and UE; Module 40 is provided, is coupled with setting up module 30, for the UE that is connected to by setting up with UE, provide CDN to serve.
Pass through the embodiment of the present invention, monitor module 10 and monitor the service request that UE sends, determination module 20 is determined and need to be provided CDN service for UE according to service request, set up that module 30 is set up wireless access network equipment and UE connects, and by providing module 40 by providing CDN to serve with the UE that is connected to of UE foundation, realized CDN service is provided in wireless access network equipment, reduced the data traffic of wireless access network equipment and core net and Internet Server, overcome the problem that CDN structure in correlation technique exists Backhaul return network flow pressure, the user who has improved data service experiences.
When determination module 20 wireless access network equipments need to provide CDN service for UE according to service request is definite, can judge whether service request meets pre-configured CDN service strategy, if so, determine and need to provide CDN service for UE, if not, determine and do not need to provide CDN service for UE.Preferably, can be not for it provides CDN resource for the UE in high-speed mobile.Determination module 20 judges when whether service request meets pre-configured CDN service strategy, the information that can carry according to service request judges whether this service request meets pre-configured CDN service strategy, wherein, the information that this service request is carried comprise following one of at least: source IP address, object IP address, protocol number, former port numbers, destination slogan.For example, for some object IP address, need to provide CDN service for UE, and to other objects IP address, do not need to provide CDN service.Preferably, determination module 20 can also provide configuration CDN user's configuration interface of service strategy.
Fig. 4 preferably provides the structured flowchart one of module according to the embodiment of the present invention, providing in module as shown in Figure 4, provide module 40 to comprise: the first judging unit 402, for judging according to service request whether wireless access network equipment this locality stores the CDN resource that this service request is asked; First provides unit 404, is coupled with the first judging unit 402, for judgment result is that while being, returns to the CDN resource of local storage to UE; Second provides unit 406, is coupled with the first judging unit 402, for when the determination result is NO, according to service request, from Internet Server, obtains CDN resource, and the CDN resource getting is returned to UE.
At the 4th edition (Internet Protocol version 4 of Internet protocol, referred to as IPv4) under the condition of networking, wireless access network equipment (for example, eNodeB as shown in Figure 1) with wireless terminal, Internet Server not at same network, wireless access network equipment and core net are just for example, for wireless terminal and Internet Server provide transparent tunnel (, GTPU tunnel) as shown in Figure 1.Be limited to this network model, general CDN communication modes cannot directly be deployed to edge C DN in wireless access network now.Therefore, in a preferred implementation of the embodiment of the present invention, for CDN service is provided in the wireless access network equipment under IPV4 environment, second provides unit 406 from Internet Server, to obtain CDN resource in such a way: second provides IP address that unit 406 usings UE as source IP address, the Internet Server of asking with service request connects, and from this Internet Server, obtains CDN resource.
In actual applications, second provides unit 406 can pass through network address translation (Network Address Translation, referred to as NAT) function, to realize and to using the IP address of UE as source IP address, the Internet Server of asking with service request connects.Second provides unit 406 to be also provided with the data stream interface with core net, to connect by core net and Internet Server, for example, a GTPU agency can be set, for setting up transparent channel with core net, and the data resource of transmission UE request.
Preferably, setting up module 30 can set up wireless access network equipment and be connected with the TCP of UE.Further, first provides unit and second to provide unit can be set to a functional unit, for example, and in order to process the HTTP request of UE, can be set to HTTP/TCP agency, agency for HTTP layer and TCP layer, sets up TCP link with UE or Internet Server, processes HTTP layer protocol, play agency and the CDN control action of HTTP, to communicate by letter with UE or Internet Server, for UE sends CDN resource, or obtain CDN resource from Internet Server.
Fig. 5 preferably provides the structured flowchart two of module according to the embodiment of the present invention, as shown in Figure 5, on the basis that module is provided shown in Fig. 4, provide module 40 to comprise: the second judging unit 408, for after obtaining CDN resource, according to pre-configured storage policy, judge whether the CDN resource that storage gets; Memory cell 410, is coupled with the second judging unit 408, for judgment result is that while being, and the CDN resource getting in the local storage of wireless access network equipment.Preferably, can also provide configuration interface, for configuration store strategy.
In actual applications, memory cell 410 can be set to storage entity, also can be set to wireless access network equipment in the communication interface of memory; If be set to storage entity, first provide unit 404 can directly from memory cell 410, obtain CDN resource, and CDN resource is returned to UE; If be set to communication interface, first provide unit 404 can from the memory of wireless access network equipment, obtain by memory cell 410 CDN resource.
Fig. 6 is according to the structured flowchart of the generator of the CDN service in embodiment of the present invention eNodeB, as shown in Figure 6, this device mainly comprises: CDN serves judging module, be equivalent to determination module 20, for adjudicating data flow (UE sends the data flow of one or more service request institute acquisition request), whether need CDN service; HTTP/TCP agency, being equivalent to first provides unit 404 and second that unit 406 is provided, and for the agency of HTTP layer and TCP layer, sets up TCP link with UE or Internet Server, processes HTTP layer protocol, plays agency and the CDN control action of HTTP; Local storage, is equivalent to memory cell 410, for the storage administration of local CDN resource; GTPU agency (realize second data-interface of unit 406 with core net is provided), for carrying out the processing of GTPU layer, with the data stream interface of core net.
In device as shown in Figure 6, the upstream data request that CDN service judging module arrives core net by base station is according to configuration determination, and the HTTP/TCP forwarding on eNodeB that need to do CDN service processes; The resource that base station is not had, HTTP/TCP agency utilizes the IP address of UE and the IP address of Internet Server, obtains, and the data resource getting is sent to UE by core net from Internet Server; The resource of preserving for base station, HTTP/TCP agency directly sends local respective resources of preserving to UE.Compare with correlation technique, by acting on behalf of at eNodeB introducing NAT and HTTP/TCP, realized wireless access network and provide CDN function at eNodeB, do not change existing wireless access planar network architecture, reduced the impact of network organizing simultaneously.
According to the embodiment of the present invention, a kind of wireless access network equipment is also provided, comprising: the generator of the foregoing distributing network CDN service that the embodiment of the present invention provides.
According to the embodiment of the present invention, a kind of eNodeB is also provided, comprising: the generator of the foregoing distributing network CDN service that the embodiment of the present invention provides.
According to the embodiment of the present invention, a kind of supplying method of CDN service is also provided, in order to utilize the said apparatus of the embodiment of the present invention, has realized CDN service is provided in wireless access network equipment, to reach flow localized object, overcome the problem of Backhaul return network flow pressure.
Fig. 7 is according to the flow chart of the supplying method of the CDN service of the embodiment of the present invention, and as shown in Figure 7, the method can comprise that step S702 is to step S708:
Step S702, wireless access network equipment is monitored the service request that UE sends;
Step S704, wireless access network equipment is determined and need to be provided CDN service for UE according to above-mentioned service request;
Step S706, wireless access network equipment and UE connect;
Step S708, wireless access network equipment is by providing CDN to serve with the UE that is connected to of UE foundation.
Pass through the embodiment of the present invention, wireless access network equipment is monitored the service request that UE sends, according to service request, determine and need to provide CDN service for UE, wireless access network equipment and UE connect, and by providing CDN to serve with the UE that is connected to of UE foundation, realized CDN service is provided in wireless access network equipment, reduced the data traffic of wireless access network equipment and core net and Internet Server, overcome the problem that CDN structure in correlation technique exists Backhaul return network flow pressure, the user who has improved data service experiences.
In a preferred implementation of the embodiment of the present invention, UE can send one or more requests with acquisition request data resource to wireless access network equipment, for example HTTP request, or URL(uniform resource locator) (Uniform Resource Locator, referred to as URL) request etc.
Further, when wireless access network equipment need to provide CDN service for UE according to service request is definite, can judge whether service request meets pre-configured CDN service strategy, if, determine and need to, for UE provides CDN service, if not, determine and not need to provide CDN service for UE.Preferably, can be not for it provides CDN resource for the UE in high-speed mobile.
Preferably, wireless access network equipment judges when whether service request meets pre-configured CDN service strategy, the information that can carry according to service request judges whether this service request meets pre-configured CDN service strategy, wherein, the information that this service request is carried comprise following one of at least: source IP address, object IP address, protocol number, former port numbers, destination slogan.For example, for some object IP address, need to provide CDN service for UE, and to other objects IP address, do not need to provide CDN service.
In a preferred implementation of the embodiment of the present invention, wireless access network equipment by with UE set up be connected to UE CDN service be provided time, wireless access network equipment can be according to service request, and whether judgement this locality stores the CDN resource that this service request is asked; If so, wireless access network equipment returns to the CDN resource of local storage to UE; If not, wireless access network equipment obtains CDN resource according to service request from Internet Server, and the CDN resource getting is returned to UE.
For example, UE sends HTTP request, the data resource that acquisition request is required.Wireless access network equipment receives the upstream data that UE sends, therefrom parse the HTTP request of UE, wireless access network equipment need to provide after CDN service to UE according to HTTP request is definite, the local CDN resource of whether preserving request of judgement, if this CDN resource is preserved in this locality, construct HTTP and reply, for example, by (, TCP connection) the returns to CDN resource from request to UE that is connected of setting up with UE; If local CDN resource of not preserving request, wireless access network equipment, by connecting with the Internet Server of request, obtains CDN data resource from Internet Server, the data that get is carried to HTTP and returns to UE in replying.
For IPV6 networking condition, wireless access network can directly connect by core net and Internet Server.Under the condition of IPv4 networking, wireless access network equipment and wireless terminal, Internet Server be at same network, and wireless access network equipment and core net are just for wireless terminal and Internet Server provide transparent tunnel.Be limited to this networking, general CDN communication modes cannot directly be deployed to edge C DN in wireless access network now.Therefore, in a preferred implementation of the embodiment of the present invention, when wireless access network equipment obtains CDN resource according to service request from Internet Server, wireless access network equipment can be usingd the IP address of UE as source IP address, the Internet Server of asking with service request connects, and from this Internet Server, obtains CDN resource.In actual applications, wireless access network equipment can pass through nat feature, realizes and to using the IP address of UE as source IP address, and the Internet Server of asking with service request connects.
Flow localized in order to realize, wireless access network equipment can be preserved the CDN resource getting, therefore, in a preferred implementation of the embodiment of the present invention, wireless access network equipment according to service request after Internet Server obtains CDN resource, can also judge whether the CDN resource that storage gets according to pre-configured storage policy, if so, the CDN resource that wireless access network equipment gets in this locality storage.Preferably, wireless access network equipment can be according to the popularity degree of CDN resource, and/or the resource type attribute of CDN resource, judges whether the CDN resource that storage gets.For example, cache attribute in can replying according to Internet Server HTTP, judge whether this resource needs buffer memory, again whether should buffer memory in conjunction with configuration determination as video suffix name etc. according to the file attribute of resource, finally according to the popularity degree of the size of spatial cache and resource, determine whether this resource should buffer memory.
Take below and in eNodeB, realize CDN service as example, the supplying method of the CDN service of the embodiment of the present invention and the preferred implementation of device are described.
Preferred embodiment
In this preferred embodiment, by NAT and TCP agent way, in wireless access network, provide CDN service.Do not affecting under the prerequisite of the network architecture, in wireless access network, introducing after CDN, can effectively reduce the peak flow requirement of return network in wireless access network, promoting user's perception.
Fig. 8 is that as shown in Figure 8, this device can comprise according to the structured flowchart of the generator of the CDN service in the preferred eNodeB of the embodiment of the present invention:
CDN serves judging module 101, and whether be used for distinguishing data needs to provide CDN service.It is to need that original server provides and CDN service can not be provided that the service of UE access has part, as game website need to arrive server interaction data.CDN service judging module is pressed IP, protocol number, port numbers inquiry CDN service strategy.Judgment condition derives from configuration interface, and can configure which IP by backstage does not provide CDN to serve.
HTTP/TCP agency 102, for the edge C DN of wireless access network and mobile terminal are set up link and set up link for edge C DN server and the Internet Server of wireless access network.Http protocol is resolved, managed simultaneously.
Preferably, HTTP/TCP agency 102 can comprise following major part:
TCP service end 202, is connected for setting up with the TCP of mobile terminal.Because mobile terminal itself is mobile, when the switching between eNodeB is occurred mobile terminal to, need to send TCP initiatively to TCP client 204 according to the switch decision message of user in eNodeB and rebuild message.
Http protocol processes 203, first from the request of mobile terminal, extracts the version information of HTTP, sets up the long of TCP connect as HTTP1.1 version, when providing HTTP to reply, need to provide and reply according to the mode of idempotent; Otherwise without setting up, TCP is long to be connected.Extract the URL solicited message of HTTP, the CDN information that local cache has been preserved, structure HTTP response message, offers mobile terminal; Local cache does not have, and constructs HTTP request, to the Internet request CDN information, after the CDN data answering of receiving on the Internet, then constructs HTTP response message, offers mobile terminal.To the CDN information on the Internet of receiving, can be according to whether can cache attribute judging whether data need to give local storage 103 in HTTP message.
TCP client 204, initiates the link setup with Internet Server.Now HTTP layer request be URL information, according to general way, be according to URL request DNS name resolution, obtain the object IP address of request, set up link, but this way is more loaded down with trivial details, the long meeting of acquisition time causes user awareness bad.The service end link setup of the ，Yu the Internet, object IP address of the packet labeling inquiry UE request that the embodiment of the present invention directly retains according to NAT module.In addition when setting up link, eNodeB itself is that the embodiment of the present invention is the raw address as eNodeB and Internet Server link setup with the mobile terminal address retaining in NAT not with the address of the Internet identical network.
Fig. 9 is that as shown in Figure 9, for the upstream data bag that enters mobile terminal of the present invention, its data processing method flow process comprises that step S901 is to step S913 according to the flow chart of the supplying method of the preferred CDN service of the embodiment of the present invention.
Step S901, the uplink data frames of mobile terminal receive, data acquisition interface is eNodeB internal interface, between the PDCP and GTPU layer of eNodeB, related protocol is explained the regulation that please refer to 3GPP.
Step S902, by IP, protocol number, port numbers inquiry CDN service strategy.According to object IP, former IP, protocol number, port numbers inquiry, whether allow to provide CDN service.
Step S903, whether decision data bag needs to provide CDN service, if packets need provides CDN service, forwards step S904 to, otherwise forwards step S909 to.
Step S904, HTTP/TCP agency sets up TCP link connection with UE, receives the follow-up URL request of UE.
Step S905, HTTP/TCP acts on behalf of according to the URL requesting query CDN resource of UE, by the HASH value of URL, searches local storage resources.
Step S906, judges whether this locality has CDN resource, if there is CDN resource this locality, proceeds to step S907, otherwise to step S911.
Step S907, HTTP/TCP agency structure is replied to UE's, HTTP 1.1 is replied to the requirement that will meet idempotent.
Step S908, the link by step S904 is transmitted to UE by response message by eating dishes without rice or wine, and flow process finishes.
Step S909, by packet encapsulation GTPU head, gives core net by GTPU tunnel by UE request.
Step S910, core net is issued original server on the Internet or the server on CDN by request of data.At Internet Server, provide after data answering, then by data, give UE by core net, eNodeB, this flow process is the data flow of 3GPP.Flow process finishes.
Step S911, provides edge C DN service to needs, but the local request that there is no CDN resource, HTTP/TCP agency uses IP address and the Internet Server link setup of UE.
Step S912, edge C DN, by the link of Internet Server, obtains data resource.
Step S913, edge C DN determines by local storage policy whether this data resource stores this locality into.First be the cache attribute in replying according to Internet Server HTTP, judge whether this resource needs buffer memory.Again whether should buffer memory in conjunction with configuration determination as video suffix name etc. according to the file attribute of resource, finally according to the popularity degree of the size of spatial cache and resource, determine whether this resource should buffer memory.
From above description, can find out, the present invention has realized following technique effect: wireless access network equipment is monitored the service request that UE sends, according to service request, determine and need to provide CDN service for UE, wireless access network equipment and UE connect, and by providing CDN to serve with the UE that is connected to of UE foundation, realized CDN service is provided in wireless access network equipment, reduced the data traffic of wireless access network equipment and core net and Internet Server, overcome the problem that CDN structure in correlation technique exists Backhaul return network flow pressure, the user who has improved data service experiences.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with general calculation element, they can concentrate on single calculation element, or be distributed on the network that a plurality of calculation elements form, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in storage device and be carried out by calculation element, and in some cases, can carry out shown or described step with the order being different from herein, or they are made into respectively to each integrated circuit modules, or a plurality of modules in them or step are made into single integrated circuit module to be realized.Like this, the present invention is not restricted to any specific hardware and software combination.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (15)
1. a supplying method for content distributing network CDN service, is characterized in that, comprising:
The service request that wireless access network equipment monitoring users equipment UE sends;
Described wireless access network equipment is determined and need to be provided CDN service for described UE according to described service request;
Described wireless access network equipment and described UE connect;
Described wireless access network equipment is by providing CDN to serve with the described UE that is connected to of described UE foundation.
2. method according to claim 1, is characterized in that, described wireless access network equipment and described UE connect, and comprising:
Described wireless access network equipment is set up transmission control protocol TCP with described UE and is connected.
3. method according to claim 1, is characterized in that, described wireless access network equipment, by providing CDN to serve with the described UE that is connected to of described UE foundation, comprising:
Described wireless access network equipment is according to described service request, and whether judgement this locality stores the CDN resource that described service request is asked;
If so, described wireless access network equipment returns to the described CDN resource of local storage to described UE; If not, described wireless access network equipment obtains described CDN resource according to described service request from Internet Server, and the described CDN resource getting is returned to described UE.
4. method according to claim 3, is characterized in that, described wireless access network equipment obtains described CDN resource according to described service request from Internet Server, comprising:
Described wireless access network equipment is usingd the IP address of described UE as source IP address, and the Internet Server of asking with described service request connects;
Described wireless access network equipment obtains described CDN resource from described Internet Server.
5. method according to claim 3, is characterized in that, described wireless access network equipment, also comprises according to described service request after Internet Server obtains described CDN resource:
Described wireless access network equipment judges whether according to pre-configured storage policy the described CDN resource that storage gets;
If so the described CDN resource that, described wireless access network equipment gets in this locality storage.
6. method according to claim 5, is characterized in that, described wireless access network equipment judges whether according to pre-configured storage policy the described CDN resource that storage gets, and comprising:
Described wireless access network equipment is according to the popularity degree of described CDN resource, and/or the resource type attribute of described CDN resource, judges whether the described CDN resource that storage gets.
7. according to the method described in any one in claim 1 to 6, it is characterized in that, described service request comprises: uniform resource position mark URL request.
8. according to the method described in any one in claim 1 to 6, it is characterized in that, described wireless access network equipment is determined and need to, for described UE provides CDN service, be comprised according to described service request:
Described wireless access network equipment judges whether described service request meets pre-configured CDN service strategy, if so, determines and need to, for described UE provides CDN service, if not, determine and not need to provide CDN service for described UE.
9. method according to claim 8, is characterized in that, described wireless access network equipment judges that whether described service request meets pre-configured CDN service strategy, comprising:
The information that described wireless access network equipment carries according to described service request judges whether described service request meets pre-configured CDN service strategy, wherein, the information that described service request is carried comprise following one of at least: source IP address, object IP address, protocol number, former port numbers, destination slogan.
10. a generator for content distributing network CDN service, is characterized in that, is arranged in wireless access network equipment, comprising:
Monitor module, the service request sending for monitoring users equipment UE;
Determination module, need to provide CDN service for described UE for determining according to described service request;
Set up module, for setting up being connected of described wireless access network equipment and described UE;
Module is provided, for the described UE that is connected to by setting up with described UE, provides CDN to serve.
11. devices according to claim 10, is characterized in that, described in provide module to comprise:
The first judging unit, for according to described service request, judges whether described wireless access network equipment this locality stores the CDN resource that described service request is asked;
First provides unit, for judgment result is that while being, returns to the described CDN resource of local storage to described UE;
Second provides unit, for, obtaining described CDN resource, and the described CDN resource getting is returned to described UE according to described service request from Internet Server when the determination result is NO described.
12. devices according to claim 11, is characterized in that, described second provides unit from Internet Server, to obtain described CDN resource in such a way:
Described second provides IP address that unit usings described UE as source IP address, and the Internet Server of asking with described service request connects;
Described second provides unit to obtain described CDN resource from described Internet Server.
13. according to the device described in claim 11 or 12, it is characterized in that, described in provide module also to comprise:
The second judging unit, for after obtaining described CDN resource, judges whether according to pre-configured storage policy the described CDN resource that storage gets;
Memory cell, for judgment result is that while being, the described CDN resource getting in the local storage of described wireless access network equipment.
14. 1 kinds of wireless access network equipments, is characterized in that, comprising: the generator of the content distributing network CDN service in claim 10 to 13 described in any one.
15. 1 kinds of evolution base station eNodeB, is characterized in that, comprising: the generator of the content distributing network CDN service in claim 10 to 13 described in any one.
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104580177A (en) * | 2014-12-26 | 2015-04-29 | 广州酷狗计算机科技有限公司 | Resource supplying method, device and system |
| CN104902006A (en) * | 2015-04-16 | 2015-09-09 | 华为技术有限公司 | Content access method, content distribution network base station of wireless access network and core content distribution network device |
| CN105471962A (en) * | 2015-11-13 | 2016-04-06 | 上海斐讯数据通信技术有限公司 | Access control method and system of network resources, and base station |
| WO2016106596A1 (en) * | 2014-12-30 | 2016-07-07 | 21 Vianet Group, Inc. | Accelerating content delivery in a residence environment |
| WO2016131240A1 (en) * | 2015-02-16 | 2016-08-25 | 中兴通讯股份有限公司 | Processing system, method and device for packet data service |
| CN106170023A (en) * | 2016-08-31 | 2016-11-30 | 网宿科技股份有限公司 | The processing method of a kind of Internet resources, device, system and server |
| WO2017140247A1 (en) * | 2016-02-16 | 2017-08-24 | 中兴通讯股份有限公司 | Mobile base station cdn system and service method therefor |
| CN108200178A (en) * | 2018-01-04 | 2018-06-22 | 海信集团有限公司 | A kind of method and apparatus for downloading resource |
| CN108337327A (en) * | 2018-04-26 | 2018-07-27 | 拉扎斯网络科技（上海）有限公司 | Resource acquisition method and proxy server |
| WO2018201820A1 (en) * | 2017-05-04 | 2018-11-08 | Qualcomm Incorporated | User equipment assisted packet routing at a base station |
| CN109565518A (en) * | 2016-07-29 | 2019-04-02 | 微软技术许可有限责任公司 | Interchangeable content retrieval |
| CN110213339A (en) * | 2019-05-10 | 2019-09-06 | 腾讯科技（深圳）有限公司 | Resource access method, device, storage medium and computer equipment |
| CN110336851A (en) * | 2019-05-06 | 2019-10-15 | 腾讯科技（深圳）有限公司 | Access to content processing method, device, computer equipment and storage medium |
| CN111163133A (en) * | 2015-08-28 | 2020-05-15 | 华为技术有限公司 | Network system and network communication method |
| CN114448849A (en) * | 2021-12-17 | 2022-05-06 | 北京邮电大学 | Website IPv6 network support mode detection method and electronic equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1387643A (en) * | 1999-09-01 | 2002-12-25 | 奈克斯特威电信公司 | Distributed cache for wireless communication system |
| CN101932029A (en) * | 2010-08-13 | 2010-12-29 | 华为技术有限公司 | Data transmission method, equipment and system |
| CN102204324A (en) * | 2011-04-27 | 2011-09-28 | 华为技术有限公司 | Method and device for improving user access speed of mobile broadband internet |
| US20120099482A1 (en) * | 2010-10-22 | 2012-04-26 | International Business Machines Corporation | Application-specific chargeback of content cached at the wireless tower |
-
2012
- 2012-07-31 CN CN201210269696.9A patent/CN103581248A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1387643A (en) * | 1999-09-01 | 2002-12-25 | 奈克斯特威电信公司 | Distributed cache for wireless communication system |
| CN101932029A (en) * | 2010-08-13 | 2010-12-29 | 华为技术有限公司 | Data transmission method, equipment and system |
| US20120099482A1 (en) * | 2010-10-22 | 2012-04-26 | International Business Machines Corporation | Application-specific chargeback of content cached at the wireless tower |
| CN102204324A (en) * | 2011-04-27 | 2011-09-28 | 华为技术有限公司 | Method and device for improving user access speed of mobile broadband internet |
Cited By (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104580177A (en) * | 2014-12-26 | 2015-04-29 | 广州酷狗计算机科技有限公司 | Resource supplying method, device and system |
| CN104580177B (en) * | 2014-12-26 | 2018-04-27 | 广州酷狗计算机科技有限公司 | Resource provider method, device and system |
| WO2016106596A1 (en) * | 2014-12-30 | 2016-07-07 | 21 Vianet Group, Inc. | Accelerating content delivery in a residence environment |
| WO2016131240A1 (en) * | 2015-02-16 | 2016-08-25 | 中兴通讯股份有限公司 | Processing system, method and device for packet data service |
| US10419963B2 (en) | 2015-02-16 | 2019-09-17 | Xi'an Zhongxing New Software Co., Ltd. | System, method and apparatus for processing packet data service |
| CN105991787A (en) * | 2015-02-16 | 2016-10-05 | 中兴通讯股份有限公司 | Packet data service processing system, method and apparatus |
| WO2016165524A1 (en) * | 2015-04-16 | 2016-10-20 | 华为技术有限公司 | Content access method, wireless access network content distribution network base station and core content distribution network apparatus |
| CN104902006A (en) * | 2015-04-16 | 2015-09-09 | 华为技术有限公司 | Content access method, content distribution network base station of wireless access network and core content distribution network device |
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| CN105471962A (en) * | 2015-11-13 | 2016-04-06 | 上海斐讯数据通信技术有限公司 | Access control method and system of network resources, and base station |
| WO2017140247A1 (en) * | 2016-02-16 | 2017-08-24 | 中兴通讯股份有限公司 | Mobile base station cdn system and service method therefor |
| CN109565518B (en) * | 2016-07-29 | 2021-08-17 | 微软技术许可有限责任公司 | Method and system for interchangeable content retrieval |
| CN109565518A (en) * | 2016-07-29 | 2019-04-02 | 微软技术许可有限责任公司 | Interchangeable content retrieval |
| CN106170023A (en) * | 2016-08-31 | 2016-11-30 | 网宿科技股份有限公司 | The processing method of a kind of Internet resources, device, system and server |
| CN106170023B (en) * | 2016-08-31 | 2019-04-26 | 网宿科技股份有限公司 | A kind of processing method of Internet resources, device, system and server |
| WO2018201820A1 (en) * | 2017-05-04 | 2018-11-08 | Qualcomm Incorporated | User equipment assisted packet routing at a base station |
| WO2018201400A1 (en) * | 2017-05-04 | 2018-11-08 | Qualcomm Incorporated | User equipment assisted packet routing at a base station |
| US11153776B2 (en) | 2017-05-04 | 2021-10-19 | Qualcomm Incorporated | User equipment assisted packet routing at a base station |
| CN108200178A (en) * | 2018-01-04 | 2018-06-22 | 海信集团有限公司 | A kind of method and apparatus for downloading resource |
| CN108337327A (en) * | 2018-04-26 | 2018-07-27 | 拉扎斯网络科技（上海）有限公司 | Resource acquisition method and proxy server |
| CN110336851A (en) * | 2019-05-06 | 2019-10-15 | 腾讯科技（深圳）有限公司 | Access to content processing method, device, computer equipment and storage medium |
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| CN110213339B (en) * | 2019-05-10 | 2021-12-14 | 腾讯科技（深圳）有限公司 | Resource access method, device, storage medium and computer equipment |
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| CN114448849B (en) * | 2021-12-17 | 2023-12-05 | 北京邮电大学 | Method for detecting supporting mode of IPv6 network of website and electronic equipment |
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