CN105027532B

CN105027532B - Content distribution method and device

Info

Publication number: CN105027532B
Application number: CN201380018862.0A
Authority: CN
Inventors: 吴问付
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2013-12-31
Filing date: 2013-12-31
Publication date: 2019-05-03
Anticipated expiration: 2033-12-31
Also published as: WO2015100647A1; CN105027532A

Abstract

The embodiment of the present invention provides a kind of content distribution method and device, comprising: the content request message of upstream controller reception user equipment；Upstream controller sends the first inquiry request to the first downstream master controller, and the first inquiry request is used to that the first downstream master controller to be requested to be provided as the identification information that user equipment provides the buffer memory device of buffer service；Upstream controller receives the identification information for the buffer memory device that the first downstream master controller that the first downstream master controller is sent is sent received from the first downstream from controller；Upstream controller sends the identification information of buffer memory device to user equipment, so that identification information of the user equipment according to buffer memory device, sends content request message to buffer memory device.It is selected as user nearby, the buffer memory device of buffer service is provided, shorten propagation delay time, improve content distribution efficiency, promotes service quality.

Description

Content distribution method and device

Technical field

The present embodiments relate to the communication technology more particularly to a kind of content distribution methods and device.

Background technique

(Content Distribution Network just is interconnected in research contents distribution network in telecommunication technology at present Interconnection, CDNI) mechanism, Fig. 1 is prior art content distributing network configuration diagram, as shown in Figure 1, CDNI It is a kind of CDN (Content Distribution Network, content distributing network) mechanism of layering, is divided into upstream CDN (Upstream CDN) and downstream CDN (Downstream CDN), wherein upstream CDN belongs to CDN provider, and downstream CDN is general Belong to NSP (Network Service Provider, Internet Service Provider, such as mobile operator), ICP (Internet Content Provider, content supplier, such as Google) and upstream CDN signing Business agreement, upstream CDN and downstream CDN label Order Business agreement；The content distribution request of user is redirected to downstream CDN in content distribution procedure middle and upper reaches CDN, by downstream CDN distributes content to UE (User Equipment, user equipment).

However, in the above-mentioned methods, upstream CDN may sign Business agreement with multiple downstream CDN, under such scene, on Trip CDN receives upstream CDN after the content requests of user and can not determine selects come for user service, to lead by which downstream CDN Cause is possible to one wrong downstream CDN of selection, this downstream CDN is not belonging to the NSP of user's access, to cannot take for user Business leads to not provide user's content service of request, and user experience is very poor, alternatively, the downstream CDN of selection may be away from the position of UE It sets farther out, QoS (Quality of Service, service quality) low, poor user experience big so as to cause propagation delay time.

Summary of the invention

The embodiment of the present invention provides a kind of content distribution method and device, by upstream controller, downstream master controller with And downstream controls from controller and selects to provide the buffer memory device of buffer service nearby for UE, shortens propagation delay time, improves content point Efficiency is sent out, the QoS that content distribution uses is improved, to improve user experience.

First aspect present invention provides a kind of content distribution method, comprising:

The content request message of upstream controller reception user equipment；

The upstream controller sends the first inquiry request to the first downstream master controller, and first inquiry request is used for First downstream master controller is requested to be provided as the identification information that the user equipment provides the buffer memory device of buffer service；

First downstream master controller that the upstream controller receives the transmission of first downstream master controller receives The identification information of the buffer memory device sent from the first downstream from controller；

The upstream controller sends the identification information of the buffer memory device to the user equipment, so that the user sets The standby identification information according to the buffer memory device, Xiang Suoshu buffer memory device send the content request message.

In the first possible embodiment of first aspect, the upstream controller is sent out to the first downstream master controller Before sending the first inquiry request, further include,

The upstream controller obtains Internet Service Provider's information of the access of the user equipment；

Internet Service Provider information and the upstream of the upstream controller according to the access of the user equipment The identification information of one or more downstreams master controller and its belonging network service provider in the network of controller itself storage Information inquires and obtains belonging network service provider information in one or more of downstream master controllers setting with the user The identification information of the identical first downstream master controller of Internet Service Provider's information of standby access；

Then the upstream controller sends the first inquiry request to the first downstream master controller, comprising:

The upstream controller sends the first inquiry request to the corresponding first downstream master controller of the identification information；

Alternatively,

Internet Service Provider's information of the access of the user equipment is sent to domain name service by the upstream controller Device perhaps application layer transmission optimization server so that root in domain name server or the application layer transmission optimization server It is transmitted according to the Internet Service Provider's information and domain name server of the access of the user equipment or the application layer The identification information of one or more downstreams master controller and its belonging network service provide in the network stored in optimization server Quotient's information inquires and obtains belonging network service provider information and the user in one or more of downstream master controllers The identification information of the identical first downstream master controller of Internet Service Provider's information of equipment access, the upstream controller connect Receive the identification information for first downstream master controller that domain name server or application layer transmission optimization server return；

The upstream controller sends the first inquiry request to the corresponding first downstream master controller of the identification information.

The possible embodiment of with reference to first aspect the first, in second of possible implementation of first aspect In, the upstream controller obtains Internet Service Provider's information of the access of the user equipment, it specifically includes:

Internet Service Provider's information comprising user equipment access in the content request message, the upstream control Device processed obtains Internet Service Provider's information of the user equipment access from the content request message of the user equipment；Or Person,

The upstream controller sends access Internet Service Provider's information inquiring request to the user equipment, it is described on Trip controller receives the Internet Service Provider's information for the access that the user equipment returns；Alternatively,

The Internet Service Provider's letter for the user equipment access that the upstream controller reception content server is sent Breath.

The possible embodiment of second with reference to first aspect, in the third possible embodiment of first aspect In, the upstream controller is controlled according to Internet Service Provider's information of the access of the user equipment and the upstream The identification information and its belonging network service provider information of one or more downstreams master controller in the network of device itself storage, It inquires and obtains belonging network service provider information in one or more of downstream master controllers and connect with the user equipment Before the identification information of the identical first downstream master controller of the Internet Service Provider's information entered, further includes:

The upstream controller receives the registration information of one or more downstreams master controller in the network, the registration It include the identification information of one or more downstreams master controller and its belonging network service provider letter in the network in information Breath；Alternatively,

The upstream controller obtains the mark of one or more downstreams master controller in the network of itself storage Know information and its belonging network service provider information；Alternatively,

The upstream controller is from obtaining in the network one or more in Operation Support System or business support system The identification information and its belonging network service provider information of a downstream master controller.

With reference to first aspect, first aspect the first, second and any possible embodiment in the third, It include the on-position of the user equipment in 4th kind of possible implementation of first aspect, in the content request message Information；

First downstream master controller that then upstream controller receives the transmission of first downstream master controller connects Before the identification information for receiving the buffer memory device sent from the first downstream from controller, further includes:

The upstream controller sends the accessing position information of the user equipment to first downstream master controller, with Make first downstream master controller according to the accessing position information and first downstream master controller of the user equipment Identification information and its clothes of the one or more downstreams that first downstream master controller of itself storage is connected from controller The position area information of business inquires and obtains position area information and institute that one or more of downstreams are serviced from controller Identical first downstream of accessing position information of user equipment is stated from the identification information of controller, is used for first downstream master control Device processed sends the second inquiry request to the first downstream from controller, request from the identification information of controller according to first downstream First downstream selects and sends to provide for the user equipment from controller the identification information of the buffer memory device of buffer service to One downstream master controller.

A kind of content distribution method of second aspect of the present invention, comprising:

First downstream master controller receives the first inquiry request that upstream controller is sent, and first inquiry request is used for First downstream master controller is requested to be provided as the identification information that user equipment provides the buffer memory device of buffer service；

First downstream master controller sends the second inquiry request to the first downstream from controller, and second inquiry is asked It asks for requesting first downstream to be provided as the mark that the user equipment provides the buffer memory device of buffer service from controller Information；

It is that the user equipment provides that first downstream master controller, which receives first downstream and sends from controller, The identification information of the buffer memory device of buffer service；

The identification information of the buffer memory device is sent to the upstream controller by first downstream master controller.

In the first possible embodiment of second aspect, first downstream master controller is to the first downstream from control Device processed is sent before the second inquiry request, further includes:

It include the access digit of the user equipment in received first inquiry request of first downstream master controller Confidence breath；Alternatively,

The location application interface that first downstream calls open platform to provide from controller, obtains the user equipment Accessing position information；

Then accessing position information and first downstream of first downstream master controller according to the user equipment One or more downstreams are believed from the identification information of controller and its band of position of service in the network of master controller itself storage Breath, inquires and obtains one or more of downstreams from the position area information of controller and the on-position of the user equipment Identification information of identical first downstream of information from controller；

Then first downstream master controller sends the second inquiry request to the first downstream from controller, comprising:

First downstream master controller sends the second inquiry to corresponding first downstream of the identification information from controller Request.

In conjunction with second aspect, in a second possible implementation of the second aspect, first downstream master controller Before sending the second inquiry request from controller to the first downstream, further includes:

Then first downstream master controller by the accessing position information of the user equipment be sent to name server or Person's application layer transmission optimization server, so that according to institute in domain name server or the application layer transmission optimization server It states and is stored in the accessing position information and domain name server or the application layer transmission optimization server of user equipment Network in one or more downstreams from the identification information of controller and its position area information of service, inquire and obtain described One or more downstreams are under the position area information identical with the accessing position information of the user equipment first of controller The identification information from controller is swum, first downstream master controller receives domain name server or application layer transmission optimization Identification information of first downstream that server returns from controller；

In conjunction with second aspect the first and second in any possible embodiment, in the third of second aspect In possible implementation, first downstream master controller is according to the accessing position information of the user equipment and described One or more downstreams are from the identification information of controller and its position of service in the network stored in first downstream master controller Area information is inquired and obtains one or more of downstreams from the position area information of controller and connecing for the user equipment Enter identical first downstream of location information before the identification information of controller, further includes:

First downstream master controller receives registration information of one or more downstreams from controller, institute in the network State in registration information include in the network one or more downstreams from the identification information of controller and its position of service Area information；Alternatively,

First downstream master controller obtains in the network of first downstream master controller itself storage one Or multiple downstreams are from the identification information of controller and its position area information of service；Alternatively,

First downstream master controller obtains one in the network from Operation Support System or business support system A or multiple downstreams are from the identification information of controller and its position area information of service.

In conjunction with second aspect, second aspect the first, second and any possible embodiment in the third, In 4th kind of possible implementation of second aspect, first downstream master controller receives first downstream from controller Before the identification information of the buffer memory device sent, further includes:

First downstream master controller by the accessing position information of the user equipment be sent to first downstream from Controller, so that accessing position information and first downstream of first downstream from controller according to the user equipment The identification information of multiple buffer memory devices with caching capabilities and the band of position of service from the network that controller itself stores Information inquires and obtains the position area information of the service in one or more of buffer memory devices and connecing for the user equipment Enter the identification information of the identical buffer memory device of location information.

Third aspect present invention provides a kind of content distribution method, comprising:

First downstream receives the second inquiry request that the first downstream master controller is sent from controller, and second inquiry is asked It asks for requesting first downstream to be provided as the mark that the user equipment provides the buffer memory device of buffer service from controller Information；

First downstream is determined as the user from controller in a network one or more of buffer memory devices and sets It is standby that the buffer memory device of buffer service is provided, obtain the mark letter of the buffer memory device that buffer service is provided for the user equipment Breath；

First downstream sets the identified caching for providing buffer service for the user equipment from controller Standby identification information is sent to first downstream master controller.

In the first possible embodiment of the third aspect, first downstream is one in network from controller Or be determined as the user equipment in multiple buffer memory devices and the buffer memory device of buffer service is provided, it specifically includes:

First downstream receives the access for the user equipment that first downstream master controller is sent from controller Location information；

First downstream from controller according to the accessing position information of the user equipment and first downstream from The identification information of one or more buffer memory devices with caching capabilities and the multiple slow in the network of controller itself storage The position area information of the service of one or more of buffer memory devices is inquired and obtained to the position area information for depositing device service The mark of the buffer memory device that buffer service is provided for the user equipment identical with the accessing position information of the user equipment Information.

In conjunction with the first possible embodiment of the third aspect, in second of possible embodiment of the third aspect In, first downstream inquired from controller and the position area information of the service that obtains one or more of buffer memory devices with The mark of the identical buffer memory device that buffer service is provided for the user equipment of the accessing position information of the user equipment is believed After breath, further includes:

First downstream sends stream from controller to the buffer memory device for providing buffer service for the user equipment Regular instructions, the stream regular instructions are used to indicate the buffer memory device for providing buffer service for the user equipment and execute institute State the content distribution request of user equipment.

In conjunction with the third aspect, the third aspect the first and second in any possible embodiment, in third party In the third possible implementation in face, the first downstream is inquired from controller and is obtained in one or more of buffer memory devices The position area information of service identical with the accessing position information of the user equipment provide caching for the user equipment Before the identification information of the buffer memory device of service, further includes:

First downstream receives the registration information of one or more buffer memory devices in the network, the note from controller It include the identification information of one or more of buffer memory devices and the position area information of service in volume information；

First downstream is obtained in the network that itself is stored from controller described in one or more buffer memory devices Identification information and the position area information of service.

Fourth aspect present invention provides a kind of content delivering apparatus, comprising:

First receiving module, for receiving the content request message of user equipment；

First sending module, for sending the first inquiry request, first inquiry request to the first downstream master controller For requesting first downstream master controller to be provided as the mark letter that the user equipment provides the buffer memory device of buffer service Breath；

Second receiving module, first downstream master controller for receiving the transmission of first downstream master controller connect Receive the identification information of the buffer memory device sent from the first downstream from controller；

Second sending module, for sending the identification information of the buffer memory device to the user equipment, so that the use Identification information of the family equipment according to the buffer memory device, the Xiang Suoshu buffer memory device transmission content request message.

In the first possible embodiment of fourth aspect, further includes:

Processing module, Internet Service Provider's information of the access for obtaining the user equipment；

The processing module according to Internet Service Provider's information of the access of the user equipment and itself storage The identification information and its belonging network service provider information of one or more downstreams master controller, inquire and obtain institute in network State the network service of belonging network service provider information and user equipment access in one or more downstream master controllers The identification information of the identical first downstream master controller of provider's information；

Then first sending module is specifically used for:

The first inquiry request is sent to the corresponding first downstream master controller of the identification information；

Alternatively,

Internet Service Provider's information of the access of the user equipment is sent to name server by the processing module Perhaps application layer transmission optimization server is so that basis in domain name server or the application layer transmission optimization server The Internet Service Provider's information and domain name server of the access of the user equipment or application layer transmission are excellent Change the identification information of one or more downstreams master controller and its belonging network service provider in the network stored in server Information inquires and obtains belonging network service provider information in one or more of downstream master controllers setting with the user The identification information of the identical first downstream master controller of Internet Service Provider's information of standby access, the processing module receive institute State the identification information for first downstream master controller that name server or application layer transmission optimization server return；

Then first sending module is specifically used for:

The first inquiry request is sent to the corresponding first downstream master controller of the identification information.

In conjunction with the first possible embodiment of fourth aspect, in second of possible implementation of fourth aspect In, the processing module obtains Internet Service Provider's information of the access of the user equipment, it specifically includes:

Internet Service Provider's information comprising user equipment access in the content request message, the processing mould Block obtains Internet Service Provider's information of the user equipment access from the content request message of the user equipment；Or Person,

The processing module sends access Internet Service Provider's information inquiring request to the user equipment, the processing Module receives the Internet Service Provider's information for the access that the user equipment returns；Alternatively,

The Internet Service Provider's information for the user equipment access that the processing module reception content server is sent.

In conjunction with the first possible embodiment of fourth aspect, in the third possible embodiment of fourth aspect In, the processing module is according to Internet Service Provider's information of the access of the user equipment and the network of itself storage The identification information and its belonging network service provider information of middle one or more downstream master controller, inquire and obtain described one The network service of belonging network service provider information and user equipment access provides in the master controller of a or multiple downstreams Before the identification information of the identical first downstream master controller of quotient's information, it is also used to:

The registration information of one or more downstreams master controller in the network is received, includes described in the registration information The identification information and its belonging network service provider information of one or more downstreams master controller in network；Alternatively,

Obtain in the network of itself storage the identification information of one or more downstreams master controllers and its affiliated Internet Service Provider's information；Alternatively,

From obtaining in the network one or more downstreams master controller in Operation Support System or business support system The identification information and its belonging network service provider information

In conjunction with fourth aspect, fourth aspect the first, second and any possible embodiment in the third, It include the on-position of the user equipment in 4th kind of possible implementation of fourth aspect, in the content request message Information；

Then second receiving module receives first downstream master controller of first downstream master controller transmission Before the identification information of the buffer memory device sent from controller received from the first downstream, first sending module is also used In:

The accessing position information of the user equipment is sent to first downstream master controller, so that first downstream Master controller is according to the accessing position information of the user equipment and the storage of first downstream master controller itself Believe from the identification information of controller and its band of position of service in one or more downstreams that first downstream master controller is connected Breath is inquired and obtains connecing for position area information that one or more of downstreams are serviced from controller and the user equipment Enter identification information of identical first downstream of location information from controller, for first downstream master controller according to described the One downstream sends the second inquiry request to the first downstream from controller from the identification information of controller, requests the first downstream from control Device selects and sends to provide the identification information of the buffer memory device of buffer service for the user equipment to the first downstream master controller.

Fifth aspect present invention provides a kind of content delivering apparatus, comprising:

First receiving module, for receiving the first inquiry request of upstream controller transmission, first inquiry request is used The identification information that user equipment provides the buffer memory device of buffer service is provided as in request first downstream master controller；

First sending module, for sending the second inquiry request, second inquiry request to the first downstream from controller For requesting first downstream to be provided as the mark letter that the user equipment provides the buffer memory device of buffer service from controller Breath；

Second receiving module, the mark for receiving the buffer memory device that first downstream is sent from controller are believed Breath；

Second sending module, for the identification information of the buffer memory device to be sent to the upstream controller.

In the first possible embodiment of the 5th aspect, received first inquiry of the first receiving module It include the accessing position information of the user equipment in request；Alternatively,

Processing module, the location application interface for calling open platform to provide, obtains the access digit of the user equipment Confidence breath；

Then the processing module is according to one in the accessing position information of the user equipment and the network of itself storage Or multiple downstreams are from the identification information of controller and its position area information of service, inquire and obtain it is one or more of under Trip is from position area information the first downstream identical with the accessing position information of the user equipment of controller from controller Identification information；

Then first sending module is specifically used for:

The second inquiry request is sent to corresponding first downstream of the identification information from controller.

In conjunction with the 5th aspect, in second of possible implementation of the 5th aspect, further includes:

It include the access digit confidence of the user equipment in received first inquiry request of first receiving module Breath；Alternatively,

The location application interface that the processing module calls open platform to provide, obtains the on-position of the user equipment Information；

Then the accessing position information of the user equipment is sent to name server or application layer by the processing module Transmission optimization server, so as to be set in domain name server or the application layer transmission optimization server according to the user In the network stored in standby accessing position information and domain name server or the application layer transmission optimization server One or more downstreams are inquired and are obtained one or more from the identification information of controller and its position area information of service The position area information of a downstream from controller the first downstream identical with the accessing position information of the user equipment is from control The identification information of device, and receive first downstream that domain name server or application layer transmission optimization server return from The identification information of controller；

Then first sending module is specifically used for:

In conjunction with the first or second of possible embodiment of the 5th aspect, in the third possible reality of the 5th aspect It applies in mode, the processing module is according to the accessing position information and first downstream master controller of the user equipment One or more downstreams are inquired and are obtained from the identification information of controller and its position area information of service in the network of middle storage The position area information for taking one or more of downstreams from controller is identical with the accessing position information of the user equipment First downstream is also used to before the identification information of controller:

Registration information of one or more downstreams from controller is received in the network, includes described in the registration information One or more downstreams are from the identification information of controller and its position area information of service in network；Alternatively,

One or more downstreams are obtained in the network of first downstream master controller itself storage from controller The identification information and its position area information of service；Alternatively,

From one or more downstreams are obtained in the network in Operation Support System or business support system from controller The identification information and its service position area information.

In conjunction with the 5th aspect, the 5th aspect the first, second and any possible embodiment in the third, In 4th kind of possible implementation of the 5th aspect, second receiving module receives first downstream and sends from controller The buffer memory device identification information before, first sending module is also used to:

The accessing position information of the user equipment is sent to first downstream from controller, so that under described first Swim the net stored from controller according to the accessing position information and first downstream of the user equipment from controller itself The position area information of the identification information of multiple buffer memory devices with caching capabilities and service in network, inquires and obtains described one The position area information of service in a or multiple buffer memory devices caching identical with the accessing position information of the user equipment The identification information of equipment.

Sixth aspect present invention provides a kind of content delivering apparatus, comprising:

Receiving module, for receiving the second inquiry request of the first downstream master controller transmission, second inquiry request For requesting first downstream to be provided as the mark letter that the user equipment provides the buffer memory device of buffer service from controller Breath；

Processing module, it is slow for being determined as the user equipment offer in one or more of buffer memory devices in a network The buffer memory device of service is deposited, the identification information of the buffer memory device that buffer service is provided for the user equipment is obtained；

Sending module, for by the mark of the identified buffer memory device for providing buffer service for the user equipment Information is sent to first downstream master controller.

In the first possible implementation of the 6th aspect, comprising:

The receiving module receives the accessing position information of the user equipment of first downstream master controller transmission；

The processing module is according to multiple tools in the accessing position information of the user equipment and the network of itself storage There are the identification information of the buffer memory device of caching capabilities and the position area information of the multiple buffer memory device service, inquires and obtain The position area information of the service of one or more of buffer memory devices is identical with the accessing position information of the user equipment The identification information of the buffer memory device of buffer service is provided for the user equipment.

In conjunction with the first possible implementation of the 6th aspect, in second of possible embodiment of the 6th aspect In, the processing module inquire and obtain the service of one or more of buffer memory devices position area information and the user After the identification information of the identical buffer memory device that buffer service is provided for the user equipment of the accessing position information of equipment, institute Sending module is stated to be also used to:

Stream regular instructions are sent to the buffer memory device for providing buffer service for the user equipment, the stream rule refers to It enables and is used to indicate the content distribution for executing the user equipment for the buffer memory device that the user equipment provides buffer service Request.

In conjunction with the 6th aspect, the 6th aspect the first and second in any possible embodiment, in the 6th side In the possible implementation of second of face, the processing module inquires and obtains the clothes in one or more of buffer memory devices The position area information of business is identical with the accessing position information of the user equipment to provide buffer service for the user equipment Buffer memory device identification information before, the processing module is also used to:

The registration information of one or more buffer memory devices in the network is received, includes one in the registration information Or multiple buffer memory devices identification information and service position area information；

Obtain one or more identification informations of buffer memory device and the position of service in the network of itself storage Set area information.

Seventh aspect present invention provides a kind of content delivering apparatus, comprising: memory and processor, the memory and institute Processor communication is stated, the memory is for storing computer program instructions, and the processor is for calling in the memory The computer program instructions of storage execute method as described in relation to the first aspect.

Eighth aspect present invention provides a kind of content delivering apparatus, comprising: memory and processor, the memory and institute Processor communication is stated, the memory is for storing computer program instructions, and the processor is for calling in the memory The computer program instructions of storage execute the method as described in second aspect.

Ninth aspect present invention provides a kind of content delivering apparatus, comprising: memory and processor, the memory and institute Processor communication is stated, the memory is for storing computer program instructions, and the processor is for calling in the memory The computer program instructions of storage execute the method as described in the third aspect.

Content distribution method and device provided in an embodiment of the present invention, by selecting buffer memory device to mention for user equipment nearby For caching and content distribution service, on the one hand, the processing load for reducing content server, to achieve energy-saving and emission reduction purposes； On the other hand, network transmission bandwidth is saved, time delay is reduced, content distribution efficiency is improved, to improve user experience.

Detailed description of the invention

In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair Bright some embodiments for those of ordinary skill in the art without any creative labor, can be with It obtains other drawings based on these drawings.

Fig. 1 is prior art content distributing network configuration diagram；

Fig. 2 is the content of present invention dissemination system configuration diagram；

Fig. 3 is one embodiment flow chart of the content of present invention distribution method；

Fig. 4 is the flow chart of another embodiment of content distribution method provided by the invention；

Fig. 5 is the flow chart of the another embodiment of content distribution method provided by the invention；

Fig. 6 is the flow chart of content distribution method another embodiment provided by the invention；

Fig. 7 is one embodiment schematic diagram of the content of present invention diostribution device；

Fig. 8 is another embodiment schematic diagram of the content of present invention diostribution device；

Fig. 9 is the another embodiment schematic diagram of the content of present invention diostribution device；

Figure 10 is one embodiment schematic diagram of the content of present invention distribution entity device；

Figure 11 is another embodiment schematic diagram of the content of present invention distribution entity device；

Figure 12 is the another embodiment schematic diagram of the content of present invention distribution entity device.

Specific embodiment

In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.

Fig. 2 is the content of present invention dissemination system configuration diagram, includes: upstream controller (Upstream in network Controller, UC), downstream master controller (Downstream Master Controller, DMC) and downstream be from controller (Downstream Slave Controller, DSC).It wherein, may include one or more upstream controllers in network, often A upstream controller can connect multiple downstream master controllers, and each downstream master controller connects multiple downstreams from controller.Net There are also multiple equipment and downstream with caching capabilities in network service system connects from controller, and buffer memory device, which can be to have, to be delayed Deposit the access network element, gateway or grouped data network gateway etc. of ability.User equipment can directly with upstream controller or under Trip content distributing network is communicated.

Wherein, downstream can be an independent network element from controller, downstream master controller and upstream controller, can also be with For the functional module being integrated in other network elements, such as: downstream is from the gateway that controller can be integrated in mobile network Functional module.The above-mentioned various controllers being related to, either a software defined network (Software Defined Network, SDN) controller, it is also possible to a content distributing network (Content Delivery Network, CDN) control Device or domain name system (Domain Name System, a DNS) controller etc., interface between network element either Message interface is also possible to application programming interface (Application Programming Interface, API).This hair It is bright with no restriction.

Fig. 3 is one embodiment flow chart of the content of present invention distribution method.The content of present invention distribution method is related to three devices Upstream controller, downstream master controller, downstream are specifically used for from controller:

Upstream controller is used to select the first downstream master controller according to the location information of UE access, receives the first downstream master Controller send be the buffer memory device that user equipment provides buffer service device identification, and by the mark of this buffer memory device Information issues user equipment, so that user equipment sends content request message to this buffer memory device, and from this buffer memory device Middle acquisition content.

The location information that first downstream master controller is accessed according to user equipment obtains the first downstream of a service from control Device processed, the first downstream of instruction are that user equipment selects the buffer memory device with caching capabilities, this first downstream from controller Master controller notifies the identification information of buffer memory device to upstream controller.

First downstream obtains the caching capabilities of each network element in Internet Service Provider from controller, and according to user equipment The location information of access selects the buffer memory device with caching capabilities, and (e.g., by the identification information of the buffer memory device of selection The address information of equipment or resource locator (Uniform Resource Locator, URL) information of equipment) notice To the first downstream master controller.

As shown in figure 3, the content of present invention distribution method specific steps are as follows:

S301: the content request message of upstream controller reception user equipment.

In the present embodiment, when user equipment needs to obtain content, upstream controller sends content request message, to obtain Take the content of needs.Wherein, the identification information for the content that user equipment to be requested can be carried in the content request message, it should Identification information can be URL, alternatively, be also possible to universal resource identifier (Uniform Resource Identifier, URI) etc..

S302: upstream controller sends the first inquiry request to the first downstream master controller, and the first inquiry request is for asking The first downstream master controller is asked to be provided as the identification information that user equipment provides the buffer memory device of buffer service.

In the present embodiment, upstream controller is after the content request message for receiving user equipment transmission, to first Downstream master controller issues the first inquiry request, which may include the accessing position information of user, for asking The first downstream master controller is asked to be provided as the identification information that user equipment provides the buffer memory device of buffer service, wherein the caching is set Standby identification information is that the first downstream selects from controller and returns to the first downstream master controller.

S303: upstream controller receives the first downstream master controller that the first downstream master controller is sent received under first Swim the identification information of the buffer memory device sent from controller.

In the present embodiment, the first downstream master controller will pass through the mark for the buffer memory device that the first downstream is obtained from control Information returns to upstream controller, wherein the identification information of buffer memory device can be the address information of buffer memory device, be also possible to The URL or URI of buffer memory device or FQDN etc..

S304: upstream controller sends the identification information of buffer memory device to user equipment, so that user equipment is according to caching The identification information of equipment sends content request message to buffer memory device.

In the present embodiment, after upstream controller receives the identification information of buffer memory device, by the mark of the buffer memory device Information is sent to user equipment, so that user equipment sends content request message to buffer memory device to obtain user from the equipment The content that equipment needs.

Content distribution method provided in this embodiment is returned the first downstream master controller received by upstream controller Returning is that user equipment provides the buffer memory device identification information of buffer service, user equipment is sent to, so that user equipment is again Content request message is sent to buffer memory device is changed, obtains the content of needs, the content of user equipment is directly set by caching in network It is standby to provide, the processing load of content server is reduced, transmission delay is shortened, improves content distribution efficiency.

On the basis of the embodiment described in above-mentioned Fig. 3, in the another embodiment of content distribution method provided by the invention, on It, can be from the one or more downstream masters connected before trip controller sends the first inquiry request to the first downstream master controller A first downstream master controller is determined in controller, specifically, the network service that upstream controller obtains user equipment provides In quotient's information and network each downstream master controller identification information (e.g., the address information of downstream master controller, alternatively, under Swim the FQDN (Fully Qualified Domain Name, Fully Qualified Domain Name) etc. of master controller) and its belonging network service offer Quotient NSP (Network Service Provider) information (e.g., the mark of Internet Service Provider, PLMN (Public Land Mobile Network, public land mobile network) ID).

In the present embodiment, upstream controller determines a kind of possible mode of the first downstream main control are as follows: upstream control In the network that device is stored according to the Internet Service Provider's information and upstream controller itself of the access of user equipment one or The identification information and its belonging network service provider information of multiple downstream master controllers, inquire and obtain one or more downstreams Belonging network service provider information is identical with Internet Service Provider's information that the user equipment accesses in master controller The identification information of first downstream master controller determines a first downstream master controller according to corresponding mapping relations are inquired.Then Upstream controller sends the first inquiry request to the corresponding first downstream master controller of the identification information.

In the present embodiment, upstream controller determines the alternatively possible mode of the first downstream main control are as follows:

Internet Service Provider's information of the access of user equipment is sent to name server (Domain by upstream controller Name Server, abbreviation DNS) or application layer transmission optimization server (Application Layer Traffic Optimization Server, abbreviation ALTO) so that root in name server or the application layer transmission optimization server Internet Service Provider's information and name server or the application layer transmission optimization according to the access of the user equipment The identification information of one or more downstreams master controller and its belonging network service provider letter in the network stored in server Breath is inquired and obtains belonging network service provider information and the user equipment in one or more downstream master controllers and accesses The identical first downstream master controller of Internet Service Provider's information identification information, upstream controller receive name server Or the identification information of first downstream master controller of application layer transmission optimization server return；According under the first of return Swim the identification information of master controller, it is determined that the first downstream master controller.Then upstream controller is to identification information corresponding first Downstream master controller sends the first inquiry request.

Wherein, the address information of downstream master controller and its belonging network service provider information can by such as under type Lai It obtains:

A kind of embodiment, upstream controller can obtain downstream main control in the registration process of downstream master controller Device specifically includes: upstream controller receives the registration information of each downstream master controller in network, includes downstream in registration information The identification information and its belonging network service provider information of master controller；

Another embodiment, user can be pre-configured with each downstream master controller in network in upstream controller Identification information and its belonging network service provider information save the configuration information in the upstream controller；

Another embodiment, upstream controller can be from Operation Support System (the Operation Support of operator System, abbreviation OSS) or business support system (Business Support System, abbreviation BSS) in configuration first under Swim from controller identifier and its area information of service obtain network in each downstream master controller identification information and its institute Belong to Internet Service Provider's information.

Wherein, upstream controller obtains Internet Service Provider's information of the access of user equipment, possible implementation Have:

Internet Service Provider's information comprising user equipment access in content request message, upstream controller are set from user Internet Service Provider's information of user equipment access is obtained in standby content request message；Alternatively,

Upstream controller sends access Internet Service Provider's information inquiring request to the user equipment, the upstream control Device processed receives the Internet Service Provider's information for the access that user equipment returns；Alternatively,

The Internet Service Provider's information for the user equipment access that upstream controller reception content server is sent.

Determine that the first downstream master controller, upstream controller send the first inquiry to first downstream master controller and ask It asks, requests to provide the identification information of the buffer memory device of buffer service for user equipment.

Content distribution method provided in this embodiment determines the first downstream master controller by upstream controller, and receives The return of first downstream master controller is the identification information for the buffer memory device that user equipment provides buffer service, and the caching is set Standby identification information is sent to user equipment, so that user equipment obtains again to buffer memory device transmission content request message is changed The content needed, the content of user equipment are directly provided by buffer memory device in network, reduce the processing load of content server, contracting Short transmission delay, improves content distribution efficiency.

Fig. 4 is the flow chart of another embodiment of content distribution method provided by the invention, is present embodiments provided in network The detailed process of content distribution is realized in upstream controller, downstream master controller and downstream from controller interaction, is specifically included:

Wherein, S401 is the process that buffer memory device reports caching capabilities to notice；S402-S407 is that upstream controller determines the One downstream is from the interaction of controller and requests the process of buffer memory device；S408-S410 is that the first downstream master controller determines first Downstream is from the interaction of controller and requests the process of buffer memory device；S411-S414 is user equipment and buffer memory device content delivery Process.

Buffer memory device in S401, NSP with caching capabilities downstream sends caching capabilities notice from controller；

Wherein, the buffer memory device of caching capabilities can be access network element, for example, radio network controller (Radio Networker Controller, RNC), base station controller (Base Station Controller, BSC) or evolvement network Base station (E-UTRAN NodeB, eNodeB) etc., can also be gateway, for example, Gateway GPRS Support Node (Gateway GPRS Support Node, GGSN) or grouped data network gateway (Packet Data Network Gateway, PDN GW) etc., It can also be the equipment such as CDN.

The ability that caching capabilities notice has storage content and content exchange for indicating buffer memory device, the present embodiment In be used to inform downstream from controller equipment have caching capabilities, be able to carry out content-data interaction.

S402, the first downstream master controller or name server or application layer transmission optimization server obtain under first It swims from the mark of controller and the position area information of service.It specifically includes:

S4021, the first downstream are from controller to the first downstream master controller or name server/application layer transmission optimization Server sends registration information, comprising this downstream from controller identifier and its band of position of service in registration information；

In S4022, the first downstream master controller or name server/application layer transmission optimization server under configuration first It swims from controller identifier and its position area information of service；

S4023, operator Operation Support System (Operation Support System, OSS) or business support The first downstream is configured in system (Business Support System, BSS) from controller identifier and its band of position of service Information, the first downstream master controller or name server/application layer transmission optimization server obtain from OSS or BSS Position area information of one downstream from controller service.

Downstream from the band of position of controller service include Route Area (Routing Area, RA), position area (Location Area, LA), tracking area (Tracking Area, TA) or cell (Cell) etc..

S403, upstream controller or name server or application layer transmission optimization server obtain the first downstream master control Device identification information processed and NSP information, the method for acquisition specifically have:

S4031, the first downstream master controller are registered to upstream controller or name server or application layer transmission is excellent Change server, includes the first downstream master controller identification information and NSP information in registration information；

The first downstream is configured in S4032, upstream controller or name server or application layer transmission optimization server Master controller mark and NSP information；

S4033, operator OSS or BSS in store the first downstream master controller mark and NSP information, upstream control Device or name server or application layer transmission optimization server processed obtain the first downstream master controller from OSS or BSS Identification information and NSP information.

S404, upstream controller receive the content request message of user equipment, carry user equipment requests in solicited message The identification information (e.g., URL or URI etc.) of content.

S405, the first downstream master controller is determined in the master controller of downstream；Upstream controller is according to the NSP of user equipment Information (e.g., PLMN ID) obtains the first downstream master controller identification information of service, and the method for acquisition is as follows:

S4051, upstream controller are according to the Internet Service Provider's information and upstream controller of the access of user equipment The identification information and its belonging network service provider information of one or more downstreams master controller, are looked into the network of itself storage It askes and obtains belonging network service provider information and the network of user equipment access in one or more downstream master controllers and take The identification information of the identical first downstream master controller of provider's information of being engaged in；

Internet Service Provider's information of the access of user equipment is sent to name server by S4052, upstream controller Perhaps application layer transmission optimization server is so that according to user equipment in name server or application layer transmission optimization server Access Internet Service Provider's information and name server or application layer transmission optimization server in the network that stores The identification information and its belonging network service provider information of middle one or more downstreams master controller, inquire and obtain one or Internet Service Provider's information phase that belonging network service provider information is accessed with user equipment in multiple downstream master controllers The identification information of the first same downstream master controller, upstream controller receive name server or application layer transmission optimization service The identification information for the first downstream master controller that device returns.

S406, the corresponding first downstream master controller of identification information from upstream controller to above-mentioned acquisition send the first inquiry Request, the first inquiry request are used to that the first downstream master controller to be requested to be provided as user equipment to provide the buffer memory device of buffer service Identification information；First downstream master controller of the NSP information acquisition service that upstream controller is accessed according to user equipment identifies The first downstream master controller is requested to provide the buffer memory device identification information of service after information.Can also include in first inquiry request The identification information of user equipment requests content.

S407, the first downstream master controller obtain the accessing position information of user equipment；If upstream controller obtains use The accessing position information of user equipment is then issued the first downstream master controller by family equipment accessing position information；If upstream controls The accessing position information of user equipment is not issued the first downstream master controller by device, then the first downstream master controller needs to obtain The accessing position information of user equipment, for example, the position API that the first downstream master controller calls open platform to provide obtains user The accessing position information of equipment.

S408, the first downstream master controller determine the first downstream from controller in downstream from controller；First downstream master Controller obtains the first downstream of service from controller identifier information, the mode of acquisition according to the accessing position information of user equipment Specifically have:

S4081, the first downstream master controller are according to the accessing position information and the first downstream master controller of user equipment One or more downstreams are from the identification information of controller and its position area information of service in the network of itself storage, and inquiry is simultaneously One or more downstreams are obtained under the position area information of controller and the accessing position information of user equipment identical first Swim the identification information from controller；

The accessing position information of user equipment is sent to name server or answered by S4082, the first downstream master controller With layer transmission optimization server, so that according to the access of user equipment in name server or application layer transmission optimization server In the network stored in location information and name server or application layer transmission optimization server one or more downstreams from The identification information of controller and its position area information of service inquire and obtain position of one or more downstreams from controller Identification information of area information the first downstream identical with the accessing position information of user equipment from controller, the first downstream master control Identification information of the first downstream that device reception name server or application layer transmission optimization server processed return from controller.

S409, the first downstream master controller send the second inquiry request to the first downstream from controller, for requesting first Downstream is to provide the identification information for storing the buffer memory device that the user equipment provides buffer service request content from controller；The One downstream master controller requests the first downstream to provide the buffer memory device address device identification information of service from controller, wraps in request Accessing position information containing user equipment can also include the identification information of user equipment requests content.

The identification information of identified buffer memory device is sent to the first downstream main control from controller by S410, the first downstream Device；First downstream, according to the accessing position information of user equipment, selects a buffer memory device for this user equipment from controller Service, for example, the first downstream from controller according to the accessing position information of user equipment and the first downstream from controller itself The band of position of the identification information of multiple buffer memory devices with caching capabilities and multiple buffer memory device services in the network of storage The position area information of the service of one or more buffer memory devices and the accessing position information of user equipment are inquired and obtained to information The identification information of the identical buffer memory device that buffer service is provided for user equipment.

Optionally, buffer memory device can also be selected according to the identification information of user equipment requests content, thus selected The content of user equipment requests is cached in buffer memory device, so that the content of caching can be directly distributed to by this buffer memory device User equipment, to save network transmission bandwidth, reduces time delay without obtaining content from content supplier.

S411, the first downstream send stream regular instructions from controller to identified buffer memory device；First downstream is from control Device issues the buffer memory device that stream rule arrives selection, indicates that this buffer memory device receives this request content of this user equipment Caching and content exchange processing are done after Business Stream.

S412, it redirects；It is that user equipment provides the caching of buffer service and sets that user, which receives upstream controller and returns, Standby identification information, instruction user equipment send content request message, the mark comprising request content to the buffer memory device again Information, to obtain the content that user needs to obtain.

S413, user equipment send the buffer memory device that content request message arrives selection, include request content in solicited message Identification information.

S414, content delivery.Content delivery processing is carried out between user equipment and buffer memory device.

The present embodiment provides a kind of content distribution methods.The first downstream master controller is determined by upstream controller, first Downstream master controller according to the accessing position information of user determine the first downstream from controller, the first downstream from controller according to The accessing position information of family equipment selects nearest buffer memory device, carries out content distribution service, saves network transmission bandwidth, thus The processing load of content server is reduced, content distribution efficiency is improved.Improve user experience.

Fig. 5 is the flow chart of the another embodiment of content distribution method provided by the invention.Specific steps are as follows:

S501: the first downstream master controller receives the first inquiry request that upstream controller is sent, and the first inquiry request is used The identification information that user equipment provides the buffer memory device of buffer service is provided as in the first downstream master controller of request.

Optionally, the first inquiry request can also include the identification information of user equipment requests content.

Wherein, the first downstream master controller can be an independent network element, or be integrated in other network elements Functional module, location information for being accessed according to user equipment obtain the first downstream of a service from controller, instruction the One downstream is that user equipment selects the buffer memory device with caching capabilities from controller, this first downstream master controller will delay The identification information for depositing equipment is notified to upstream controller.

S502: the first downstream master controller sends the second inquiry request, the second inquiry request to the first downstream from controller For requesting the first downstream to be provided as the identification information that user equipment provides the buffer memory device of buffer service from controller.

First downstream main controller is after receiving the first inquiry request, according to first inquiry request to the first downstream from control Device send the second inquiry request, wherein first downstream from controller be the first downstream master controller connecing according to user equipment Enter location information, inquires one or more downstream from the position area information and user equipment accessing position information in controller Identical downstream is determined as the first downstream from controller from controller from controller, by the downstream.

It is that user equipment provides buffer service that S503: the first downstream master controller, which receives the first downstream and sends from controller, Buffer memory device identification information.

First downstream from controller according to the second inquiry request, the connecing according to user within the scope of self zone location information Enter the identification information of the content of location information and/or request, inquire and determines that one provides the slow of buffer service for the user equipment The identification information is returned to the first downstream master controller by the identification information for depositing equipment.

The identification information of buffer memory device is sent to upstream controller by the S504: the first downstream master controller.

The identification information of the buffer memory device received is sent to upstream controller by the first downstream master controller, so that upstream Controller issues stream rule, and instruction user equipment sends content request message to the buffer memory device of selection again, to obtain needs Content.

Content distribution method provided in this embodiment, by determining most suitable first downstream from control in multiple downstreams From controller, simplify network device architecture, so that the content requests of user equipment are directly provided by buffer memory device in network, shortens Transmission delay improves content distribution efficiency.

On the basis of above-mentioned embodiment shown in fig. 5, in the another embodiment of content distribution method provided by the invention In, the first downstream downstream master controller one or more downstreams from controller determine the first downstream before controller, First downstream master controller needs to obtain one or more downstreams to be believed from the identification information of controller and the band of position of service Breath, specific acquisition modes are as follows:

First downstream master controller receives the registration information of one or more downstreams in network from controller, in registration information Including downstreams one or more in network from the identification information of controller and its position area information of service；Alternatively,

First downstream master controller obtain in the network of the first downstream master controller itself storage one or more downstreams from The identification information of controller and its position area information of service；Alternatively,

First downstream master controller is one or more in network from obtaining in Operation Support System or business support system Downstream is from the identification information of controller and its position area information of service.

Optionally, the first downstream master controller receives the first inquiry request of upstream controller, according to user equipment Access information determines first downstream from controller from the multiple downstreams connected from controller, wherein user equipment The acquisition modes of access information are as follows:

Include the accessing position information of user equipment from received first inquiry request of the first downstream master controller；Or Person, the location application interface that the first downstream calls open platform to provide from controller, obtains the accessing position information of user equipment.

The first downstream is specifically determined from the multiple downstreams connected from controller according to the access information of user equipment It is as follows from the determination method of controller:

A kind of embodiment, accessing position information and first downstream of the first downstream master controller according to user equipment One or more downstreams are believed from the identification information of controller and its band of position of service in the network of master controller itself storage It ceases, inquire and obtains one or more downstreams and is identical from the position area information of controller and the accessing position information of user equipment The first downstream from the identification information of controller.

The accessing position information of user equipment is sent to domain name service by another embodiment, the first downstream master controller Device perhaps application layer transmission optimization server so as to be set in name server or application layer transmission optimization server according to user One or more in the network stored in standby accessing position information and name server or application layer transmission optimization server A downstream is inquired from the identification information of controller and its position area information of service and obtains one or more downstreams from control The position area information of device and identical first downstream of the accessing position information of user equipment are from the identification information of controller, and first Mark of the first downstream that downstream master controller reception name server or application layer transmission optimization server return from controller Know information.

Optionally, the first downstream master controller receive the identification information of buffer memory device that the first downstream is sent from controller it Before, the accessing position information of user equipment is sent to the first downstream from controller, so that under first by the first downstream master controller It swims multiple from the network that controller itself stores according to the accessing position information of user equipment and the first downstream from controller The identification information of buffer memory device with caching capabilities and the position area information of service inquire and obtain one or more cachings The identification information of the position area information of service in equipment and the identical buffer memory device of the accessing position information of user equipment.

Content distribution method provided in this embodiment, by the first downstream master controller according to the on-position of user equipment Information determines that most suitable first downstream is sent out from controller, and to first downstream from controller in multiple downstreams from control Send the second inquiry request so that the first downstream from controller according to the accessing position information of user equipment, inquire and be retrieved as using Family equipment provides the identification information of the buffer memory device of buffer service, and the identification information of the buffer memory device is returned to upstream control Device, so that the identification information is returned to user equipment by upstream controller, instruction user equipment is obtained to the buffer memory device again Content.Simplify network device architecture, so that the content requests of user equipment are directly provided by buffer memory device in network, shortens transmission Delay improves content distribution efficiency.

Fig. 6 is the flow chart of content distribution method another embodiment provided by the invention, the specific steps are as follows:

S601: the first downstream receives the second inquiry request that the first downstream master controller is sent, the second inquiry from controller Request is for requesting the first downstream to be provided as the identification information that user equipment provides the buffer memory device of buffer service from controller.

Wherein, the first downstream can be an independent network element from the first downstream of controller master controller, or collection At the functional module in other network elements, for obtaining the caching capabilities of each network element in Internet Service Provider, and according to The location information of family equipment access selects the buffer memory device with caching capabilities, and the mark of the buffer memory device of selection is believed Breath notice is to the first downstream master controller.

Location information comprising user equipment access in second inquiry request, for requesting the first downstream to provide from controller The identification information of the buffer memory device of buffer service is provided for user equipment, the second inquiry request can also include user equipment requests The identification information of content.

It is slow that S602: the first downstream is determined as user equipment offer from controller in a network one or more buffer memory devices The buffer memory device for depositing service is retrieved as the identification information that user equipment provides the buffer memory device of buffer service.

First downstream is from controller according to the access digit confidence for the user equipment for including in the second inquiry request received Breath and the first downstream from the network that controller itself store the identification information of multiple buffer memory devices with caching capabilities with The position area information of one or more buffer memory device services, inquires and obtains the position of the service of one or more buffer memory devices The mark of the area information buffer memory device that buffer service is provided for user equipment identical with the accessing position information of user equipment Information.

S603: the first downstream is from controller by the mark of the identified buffer memory device for providing buffer service for user equipment Information is sent to the first downstream master controller.

After the buffer memory device for user equipment service has been determined, the mark of buffer memory device is believed from controller in the first downstream Breath returns to the first downstream master controller, and the identification information of buffer memory device is returned to upstream control again by the first downstream master controller Device, then user equipment is returned to by upstream controller, user equipment sends content request message to the buffer memory device again, It establishes connection and carries out submitting for content.

The present embodiment provides a kind of content distribution methods.It is determined as user equipment offer from controller by the first downstream to delay The buffer memory device of service is deposited, obtains the identification information closest to the buffer memory device of user equipment on-position, and the mark is believed Breath returns to the first downstream master controller, and the identification information for changing buffer memory device is returned to upstream control again by the first downstream master controller Device processed, so that the flag information is sent to user equipment by upstream controller, instruction user equipment is into buffer memory device transmission Hold request message, to carry out content delivery, network transmission bandwidth is saved, to reduce the processing load of content server.

On the basis of above-mentioned embodiment shown in fig. 6, in the another embodiment of the content of present invention distribution method, in addition to Multiple cachings with caching capabilities are set in accessing position information and network of first downstream from controller according to user equipment The position area information of standby identification information and service determines the first buffer memory device in multiple buffer memory devices.

Optionally, the first downstream is inquired from controller and obtains the band of position of the service in one or more buffer memory devices The identification information of the information buffer memory device that buffer service is provided for user equipment identical with the accessing position information of user equipment Before, further includes:

First downstream receives the registration information of one or more buffer memory devices in network from controller, includes in registration information The identification information of one or more buffer memory devices and the position area information of service.

First downstream obtained from controller in the network that itself is stored the identification information of one or more buffer memory devices and The position area information of service.

, according to the accessing position information of user equipment and the caching capabilities of buffer memory device, delay from controller each in the first downstream It deposits and is determined as after the buffer memory device that the user equipment provides buffer service in equipment, the first downstream is from controller to determining Buffer memory device send stream regular instructions, stream regular instructions be used to indicate execute user equipment content distribution request.

If in the second inquiry request described in step S601 including the identification information of user equipment requests content, first Downstream, also according to the identification information of the user equipment requests content, selects a buffer memory device to set for this user from controller Standby service.

Buffer memory device is selected according to the identification information of user equipment requests content, to cache in selected buffer memory device There is the content of user equipment requests, so that the content of caching can be directly distributed to user equipment by this buffer memory device, is not necessarily to Content is obtained from content supplier, to save network transmission bandwidth, reduces time delay.

Fig. 7 is one embodiment schematic diagram of the content of present invention diostribution device, as shown in fig. 7, content distribution fills in the present embodiment It sets and includes:

First receiving module 71, for receiving the content request message of user equipment.

First sending module 72, for sending the first inquiry request to the first downstream master controller, the first inquiry request is used The identification information that user equipment provides the buffer memory device of buffer service is provided as in the first downstream master controller of request.

Second receiving module 73, for receiving the first downstream master controller of the first downstream master controller transmission received from the The identification information for the buffer memory device that one downstream is sent from controller.

Second sending module 74, for user equipment send buffer memory device identification information so that user equipment according to The identification information of buffer memory device sends content request message to buffer memory device.

Optionally, further includes:

Processing module 75, Internet Service Provider's information of the access for obtaining user equipment；

Processing module 75 is according in Internet Service Provider's information of the access of user equipment and the network of itself storage The identification information and its belonging network service provider information of one or more downstream master controllers are inquired and obtain one or more Belonging network service provider information is identical as Internet Service Provider's information that user equipment accesses in a downstream master controller The first downstream master controller identification information；

Then the first sending module 72 is specifically used for:

The first inquiry request is sent to the corresponding first downstream master controller of identification information；

Alternatively,

Internet Service Provider's information of the access of user equipment is sent to name server or answered by processing module 75 With layer transmission optimization server, so that according to the access of user equipment in name server or application layer transmission optimization server Internet Service Provider's information and name server or application layer transmission optimization server in one in the network that stores Or the identification information and its belonging network service provider information of multiple downstream master controllers, it inquires and obtains under one or more Swim belonging network service provider information identical with Internet Service Provider's information that user equipment accesses the in master controller The identification information of one downstream master controller, processing module 75 receives name server or application layer transmission optimization server returns The first downstream master controller identification information；

Then the first sending module 72 is specifically used for:

The first inquiry request is sent to the corresponding first downstream master controller of identification information.

Optionally, processing module 75 obtains Internet Service Provider's information of the access of user equipment, specifically includes:

Internet Service Provider's information comprising user equipment access in content request message, processing module 75 are set from user Internet Service Provider's information of user equipment access is obtained in standby content request message；Alternatively,

Processing module 75 sends access Internet Service Provider's information inquiring request to user equipment, and processing module, which receives, to be used The Internet Service Provider's information for the access that family equipment returns；Alternatively,

The Internet Service Provider's information for the user equipment access that 75 reception content server of processing module is sent.

Optionally, processing module 75 is according to Internet Service Provider's information of the access of user equipment and itself storage Network in one or more downstreams master controllers identification information and its belonging network service provider information, inquire and obtain The Internet Service Provider of belonging network service provider information and user equipment access in one or more downstream master controllers Before the identification information of the identical first downstream master controller of information, it is also used to:

Receive the registration information of one or more downstreams master controllers in network, include in registration information in network one or The identification information and its belonging network service provider information of multiple downstream master controllers；Alternatively,

Obtain the identification information of one or more downstreams master controller and its belonging network service in the network of itself storage Provider's information；Alternatively,

From the mark for obtaining one or more downstreams master controller in network in Operation Support System or business support system Know information and its belonging network service provider information.

It optionally, include the accessing position information of user equipment in content request message；

Then the second receiving module 73 receives the first downstream master controller of the first downstream master controller transmission received from first Before the identification information for the buffer memory device that controller is sent, the first sending module 72 is also used in downstream:

The accessing position information of user equipment is sent to the first downstream master controller so that the first downstream master controller according to What the accessing position information of user equipment and the first downstream master controller of the first downstream master controller itself storage were connected One or more downstreams are inquired and are obtained under one or more from the identification information of controller and its position area information of service Position area information the first downstream identical with the accessing position information of user equipment for servicing from controller is swum from controller Identification information, for the first downstream master controller according to the first downstream from the identification information of controller send the second inquiry request To the first downstream from controller, the first downstream is requested to select and send to provide the caching of buffer service for user equipment from controller The identification information of equipment is to the first downstream master controller.

Content delivering apparatus provided in this embodiment, it is corresponding with embodiment of the method provided by Fig. 3, Fig. 4 of the present invention, it should Content delivering apparatus, which executes method, principle and technical effect, can be found in embodiment of the method one, and details are not described herein again.

Fig. 8 is another embodiment schematic diagram of the content of present invention diostribution device, as shown in figure 8, content distribution in the present embodiment Device includes:

First receiving module 81, for receiving the first inquiry request of upstream controller transmission, the first inquiry request is used for The first downstream master controller is requested to be provided as the identification information that user equipment provides the buffer memory device of buffer service.

First sending module 82, for sending the second inquiry request to the first downstream from controller, the second inquiry request is used The identification information that user equipment provides the buffer memory device of buffer service is provided as from controller in the first downstream of request.

Second receiving module 83, for receiving the identification information for the buffer memory device that the first downstream is sent from controller.

Second sending module 84, for the identification information of buffer memory device to be sent to upstream controller.

Optionally, further includes:

It include the accessing position information of user equipment in received first inquiry request of first receiving module；Alternatively,

Processing module 85, the location application interface for calling open platform to provide, obtains the on-position of user equipment Information；

Then processing module 85 is according to one or more in the accessing position information of user equipment and the network of itself storage Downstream is inquired from the identification information of controller and its position area information of service and obtains one or more downstreams from controller Position area information the first downstream identical with the accessing position information of user equipment from the identification information of controller；

Then the first sending module 82 is specifically used for:

The second inquiry request is sent to corresponding first downstream of identification information from controller.

Optionally, further includes:

It include the accessing position information of user equipment in received first inquiry request of first receiving module 81；Alternatively,

The location application interface that processing module 85 calls open platform to provide, obtains the accessing position information of user equipment；

Then the accessing position information of user equipment is sent to name server by processing module 85 or application layer transmission is excellent Change server so that in name server or application layer transmission optimization server according to the accessing position information of user equipment with And mark of one or more downstreams from controller in the network stored in name server or application layer transmission optimization server The position area information for knowing information and its service, inquire and obtain one or more downstreams from the position area information of controller with Identical first downstream of the accessing position information of user equipment receives name server or answers from the identification information of controller The first downstream returned with layer transmission optimization server is from the identification information of controller；

Then the first sending module 82 is specifically used for:

Optionally, processing module 85 is deposited according in the accessing position information and the first downstream master controller of user equipment One or more downstreams are inquired from the identification information of controller and its position area information of service and obtain one in the network of storage A or multiple downstreams are from the position area information of controller and identical first downstream of the accessing position information of user equipment from control Before the identification information of device processed, it is also used to:

Receive the registration information of one or more downstreams in network from controller, include in registration information in network one or Multiple downstreams are from the identification information of controller and its position area information of service；Alternatively,

One or more downstreams are obtained in the network of the first downstream master controller itself storage from the identification information of controller And its position area information of service；Alternatively,

From one or more downstreams are obtained in network in Operation Support System or business support system from the mark of controller Know the position area information of information and its service.

Optionally, the second receiving module 83 receive the identification information of buffer memory device that the first downstream is sent from controller it Before, the first sending module 82 is also used to:

The accessing position information of user equipment is sent to the first downstream from controller, so that the first downstream is from controller root There are caching capabilities according to the accessing position information and the first downstream of user equipment are multiple from the network that controller itself stores Buffer memory device identification information and service position area information, inquire and obtain the service in one or more buffer memory devices Position area information buffer memory device identical with the accessing position information of user equipment identification information.

Content delivering apparatus provided in this embodiment, it is corresponding with embodiment of the method provided by Fig. 4, Fig. 5 of the present invention, it should Content delivering apparatus, which executes method, principle and technical effect, can be found in embodiment of the method two, and details are not described herein again.

Fig. 9 is the another embodiment schematic diagram of the content of present invention diostribution device, as shown in figure 9, content distribution in the present embodiment Device includes:

Receiving module 91, for receiving the second inquiry request of the first downstream master controller transmission, the second inquiry request is used The identification information that user equipment provides the buffer memory device of buffer service is provided as from controller in the first downstream of request.

Processing module 92 provides buffer service for being determined as user equipment in one or more buffer memory devices in a network Buffer memory device, be retrieved as user equipment provide buffer service buffer memory device identification information.

Sending module 93, for sending out the identification information of the identified buffer memory device for providing buffer service for user equipment Give the first downstream master controller.

Optionally, comprising:

Receiving module 91 receives the accessing position information for the user equipment that the first downstream master controller is sent；

Processing module 92 has caching according to multiple in the accessing position information of user equipment and the network of itself storage The position area information of the identification information of the buffer memory device of ability and multiple buffer memory device services, inquires and obtains one or more The position area information of the service of the buffer memory device and accessing position information of user equipment is identical provides caching for user equipment The identification information of the buffer memory device of service.

Optionally, the position area information and use of the service of one or more buffer memory devices are inquired and obtained to processing module 92 After the identification information of the identical buffer memory device that buffer service is provided for user equipment of the accessing position information of family equipment, send Module is also used to:

To provided for user equipment buffer service buffer memory device send stream regular instructions, stream regular instructions be used to indicate for The buffer memory device that user equipment provides buffer service executes the content distribution request of user equipment.

Optionally, processing module 92 inquire and obtain the position area information of service in one or more buffer memory devices with Before the identification information of the identical buffer memory device that buffer service is provided for user equipment of the accessing position information of user equipment, place Reason module 92 is also used to:

The registration information of one or more buffer memory devices in network is received, includes that one or more cachings are set in registration information The position area information of standby identification information and service；

Obtain the identification information of one or more buffer memory devices and the band of position letter of service in the network of itself storage Breath.

Content delivering apparatus provided in this embodiment, it is corresponding with embodiment of the method provided by Fig. 4, Fig. 6 of the present invention, it should Content delivering apparatus, which executes method, principle and technical effect, can be found in embodiment of the method three, and details are not described herein again.

Figure 10 is one embodiment schematic diagram of the content of present invention distribution entity device, as shown in Figure 10, content in the present embodiment Distribution entity device includes:

Memory 101 and processor 102, memory 101 are communicated with processor 102, and memory 101 is for storing computer Program instruction, processor 102 execute content as shown in Figure 3 for calling the computer program instructions stored in memory 101 Distribution method.

Content distribution entity device provided in this embodiment, it is corresponding with embodiment of the method provided by Fig. 4 of the present invention, it should Content delivering apparatus, which executes method, principle and technical effect, can be found in embodiment of the method, and details are not described herein again.

Figure 11 is another embodiment schematic diagram of the content of present invention distribution entity device, as shown in figure 11, interior in the present embodiment Holding distribution entity device includes:

Memory 111 and processor 112, memory 111 are communicated with processor 112, and memory 111 is for storing computer Program instruction, processor 112 execute content as shown in Figure 5 for calling the computer program instructions stored in memory 111 Distribution method.

Content distribution entity device provided in this embodiment, it is corresponding with embodiment of the method provided by Fig. 5 of the present invention, it should Content delivering apparatus, which executes method, principle and technical effect, can be found in embodiment of the method, and details are not described herein again.

Figure 12 is the another embodiment schematic diagram of the content of present invention distribution entity device, as shown in figure 12, interior in the present embodiment Holding distribution entity device includes:

Memory 121 and processor 122, memory 121 are communicated with processor 122, and memory 121 is for storing computer Program instruction, processor 122 execute content as shown in FIG. 6 for calling the computer program instructions stored in memory 121 Distribution method.

Content delivering apparatus provided in this embodiment, the content corresponding with embodiment of the method provided by Fig. 6 of the present invention Diostribution device, which executes method, principle and technical effect, can be found in embodiment of the method, and details are not described herein again.

Those of ordinary skill in the art will appreciate that: realize that all or part of the steps of above method embodiment can pass through The relevant hardware of program instruction is completed, and program above-mentioned can be stored in a computer readable storage medium, the program When being executed, step including the steps of the foregoing method embodiments is executed；And storage medium above-mentioned includes: ROM, RAM, magnetic disk or light The various media that can store program code such as disk.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution The range of scheme.

Claims

1. a kind of content distribution method characterized by comprising

The content request message of upstream controller reception user equipment；

The upstream controller sends the first inquiry request to the first downstream master controller, and first inquiry request is for requesting First downstream master controller is provided as the identification information that the user equipment provides the buffer memory device of buffer service；

The upstream controller receives first downstream master controller of first downstream master controller transmission received from the The identification information for the buffer memory device that one downstream is sent from controller；

The upstream controller sends the identification information of the buffer memory device to the user equipment, so that the user equipment root According to the identification information of the buffer memory device, Xiang Suoshu buffer memory device sends the content request message；

It wherein, include the accessing position information of the user equipment in the content request message；

Then the upstream controller receive first downstream master controller transmission first downstream master controller received from Before the identification information for the buffer memory device that first downstream is sent from controller, further includes:

The upstream controller sends the accessing position information of the user equipment to first downstream master controller, so that institute The first downstream master controller is stated according to the accessing position information and first downstream master controller itself of the user equipment One or more downstreams for being connected of first downstream master controller of storage are from the identification information of controller and its service Position area information inquires and obtains position area information and the use that one or more of downstreams are serviced from controller Identical first downstream of the accessing position information of family equipment is used for first downstream master controller from the identification information of controller The second inquiry request to the first downstream is sent from controller, request first from the identification information of controller according to first downstream Downstream selects and sends to provide for the user equipment from controller the identification information of the buffer memory device of buffer service under first Swim master controller.

2. the method according to claim 1, wherein the upstream controller is sent to the first downstream master controller Before first inquiry request, further include,

The upstream controller is controlled according to Internet Service Provider's information of the access of the user equipment and the upstream The identification information and its belonging network service provider information of one or more downstreams master controller in the network of device itself storage, It inquires and obtains belonging network service provider information in one or more of downstream master controllers and connect with the user equipment The identification information of the identical first downstream master controller of the Internet Service Provider's information entered；

Alternatively,

The upstream controller by Internet Service Provider's information of the access of the user equipment be sent to name server or Person's application layer transmission optimization server, so that according to institute in domain name server or the application layer transmission optimization server State the Internet Service Provider's information and domain name server or the application layer transmission optimization of the access of user equipment The identification information of one or more downstreams master controller and its belonging network service provider letter in the network stored in server Breath is inquired and obtains belonging network service provider information and the user equipment in one or more of downstream master controllers The identification information of the identical first downstream master controller of Internet Service Provider's information of access, the upstream controller receive institute State the identification information for first downstream master controller that name server or application layer transmission optimization server return；

3. according to the method described in claim 2, it is characterized in that, the upstream controller obtains the access of the user equipment Internet Service Provider's information, specifically include:

Internet Service Provider's information comprising user equipment access in the content request message, the upstream controller Internet Service Provider's information of the user equipment access is obtained from the content request message of the user equipment；Alternatively,

The upstream controller sends access Internet Service Provider's information inquiring request to the user equipment, the upstream control Device processed receives the Internet Service Provider's information for the access that the user equipment returns；Alternatively,

The Internet Service Provider's information for the user equipment access that the upstream controller reception content server is sent.

4. according to the method described in claim 2, it is characterized in that, the upstream controller is according to the access of the user equipment Internet Service Provider's information and the upstream controller itself storage network in one or more downstreams master controllers Identification information and its belonging network service provider information, inquire and obtain institute in one or more of downstream master controllers Belong to the first downstream master control identical with Internet Service Provider's information that the user equipment accesses of Internet Service Provider's information Before the identification information of device processed, further includes:

The upstream controller receives the registration information of one or more downstreams master controller in the network, the registration information In include one or more downstreams master controllers in the network identification information and its belonging network service provider information；Or Person,

The upstream controller obtains the mark letter of one or more downstreams master controller in the network of itself storage Breath and its belonging network service provider information；Alternatively,

The upstream controller in Operation Support System or business support system from obtaining in the network under one or more Swim the identification information and its belonging network service provider information of master controller.

5. a kind of content distribution method characterized by comprising

First downstream master controller receives the first inquiry request that upstream controller is sent, and first inquiry request is for requesting First downstream master controller is provided as the identification information that user equipment provides the buffer memory device of buffer service；

First downstream master controller sends the second inquiry request to the first downstream from controller, and second inquiry request is used The identification information that the user equipment provides the buffer memory device of buffer service is provided as from controller in request first downstream；

It is that the user equipment provides caching that first downstream master controller, which receives first downstream and sends from controller, The identification information of the buffer memory device of service；

The identification information of the buffer memory device is sent to the upstream controller by first downstream master controller；

Wherein, first downstream master controller receives the mark for the buffer memory device that first downstream is sent from controller Before information, further includes:

The accessing position information of the user equipment is sent to first downstream from control by first downstream master controller Device so that first downstream from controller according to the accessing position information of the user equipment and first downstream from control The identification information of multiple buffer memory devices with caching capabilities and the position area information of service in the network of device processed itself storage, It inquires and obtains the position area information of the service in one or more of buffer memory devices and the access digit of the user equipment Confidence ceases the identification information of identical buffer memory device.

6. according to the method described in claim 5, it is characterized in that, first downstream master controller is to the first downstream from control Device is sent before the second inquiry request, further includes:

It include the access digit confidence of the user equipment in received first inquiry request of first downstream master controller Breath；Alternatively,

The location application interface that first downstream master controller calls open platform to provide, obtains the access of the user equipment Location information；

Then accessing position information and first downstream master control of first downstream master controller according to the user equipment One or more downstreams are looked into from the identification information of controller and its position area information of service in the network of device processed itself storage It askes and obtains one or more of downstreams from the position area information of controller and the accessing position information of the user equipment Identification information of identical first downstream from controller；

First downstream master controller sends the second inquiry request to corresponding first downstream of the identification information from controller.

7. according to the method described in claim 5, it is characterized in that, first downstream master controller is to the first downstream from control Device is sent before the second inquiry request, further includes:

Then the accessing position information of the user equipment is sent to name server or answered by first downstream master controller With layer transmission optimization server, so that according to the use in domain name server or the application layer transmission optimization server The net stored in the accessing position information and domain name server or the application layer transmission optimization server of family equipment One or more downstreams are inquired and are obtained one from the identification information of controller and its position area information of service in network Or position area information the first downstream identical with the accessing position information of the user equipment of multiple downstreams from controller from The identification information of controller, first downstream master controller receive domain name server or application layer transmission optimization service Identification information of first downstream that device returns from controller；

8. according to the method described in claim 6, it is characterized in that, first downstream master controller is according to the user equipment Accessing position information and first downstream master controller in the network that stores one or more downstreams from controller Identification information and its position area information of service inquire and obtain the band of position of one or more of downstreams from controller Information the first downstream identical with the accessing position information of the user equipment is before the identification information of controller, further includes:

First downstream master controller receives registration information of one or more downstreams from controller, the note in the network Include in volume information in the network one or more downstreams from the identification information of controller and its band of position of service Information；Alternatively,

First downstream master controller obtains in the network of first downstream master controller itself storage one or more A downstream is from the identification information of controller and its position area information of service；Alternatively,

First downstream master controller from obtained in Operation Support System or business support system in the network one or Multiple downstreams are from the identification information of controller and its position area information of service.

9. a kind of content distribution method characterized by comprising

First downstream receives the second inquiry request that the first downstream master controller is sent from controller, and second inquiry request is used The identification information that user equipment provides the buffer memory device of buffer service is provided as from controller in request first downstream, it is described Second inquiry request is that first downstream master controller receives Xiang Suoshu after the first inquiry request that upstream controller is sent First downstream is sent from controller, and first inquiry request is for requesting first downstream master controller to be provided as user Equipment provides the identification information of the buffer memory device of buffer service；

First downstream is determined as the user equipment from controller in a network one or more of buffer memory devices and mentions For the buffer memory device of buffer service, the identification information of the buffer memory device that buffer service is provided for the user equipment is obtained；

First downstream is from controller by the identified buffer memory device for providing buffer service for the user equipment Identification information is sent to first downstream master controller, so that first downstream master controller is by the mark of the buffer memory device Know information and is sent to the upstream controller；

Wherein, first downstream is determined as the user equipment in the one or more of buffer memory devices of network from controller The buffer memory device of buffer service is provided, is specifically included:

First downstream receives the on-position for the user equipment that first downstream master controller is sent from controller Information；

First downstream is from controller according to the accessing position information of the user equipment and first downstream from control The identification information of one or more buffer memory devices with caching capabilities and the multiple caching are set in the network of device itself storage The position area information of standby service, inquires and obtains position area information and the institute of the service of one or more of buffer memory devices State the identification information of the identical buffer memory device that buffer service is provided for the user equipment of accessing position information of user equipment.

10. according to the method described in claim 9, it is characterized in that, first downstream is inquired from controller and is obtained described The position area information of the service of one or more buffer memory devices is identical with the accessing position information of the user equipment for institute After the identification information for stating the buffer memory device that user equipment provides buffer service, further includes:

First downstream sends stream rule from controller to the buffer memory device for providing buffer service for the user equipment Instruction, the stream regular instructions are used to indicate the buffer memory device for providing buffer service for the user equipment and execute the use The content distribution request of family equipment.

11. method according to claim 9 or 10, which is characterized in that the first downstream is inquired from controller and obtained described The position area information of service in one or more buffer memory devices is identical with the accessing position information of the user equipment to be The user equipment is provided before the identification information of the buffer memory device of buffer service, further includes:

First downstream receives the registration information of one or more buffer memory devices in the network, the registration letter from controller The position area information of identification information and service in breath including one or more of buffer memory devices；

First downstream obtains the mark of one or more buffer memory devices in the network that itself is stored from controller Information and the position area information of service.

12. a kind of content delivering apparatus characterized by comprising

First sending module, for sending the first inquiry request to the first downstream master controller, first inquiry request is used for First downstream master controller is requested to be provided as the identification information that the user equipment provides the buffer memory device of buffer service；

Second receiving module, for receive first downstream master controller transmission first downstream master controller received from The identification information for the buffer memory device that first downstream is sent from controller；

Second sending module, for sending the identification information of the buffer memory device to the user equipment, so that the user sets The standby identification information according to the buffer memory device, Xiang Suoshu buffer memory device send the content request message；

First downstream master controller that then second receiving module receives the transmission of first downstream master controller receives Before the identification information of the buffer memory device sent from the first downstream from controller, first sending module is also used to:

The accessing position information of the user equipment is sent to first downstream master controller, so that first downstream master control Device processed stored according to the accessing position information and first downstream master controller itself of the user equipment described first One or more downstreams that downstream master controller is connected are looked into from the identification information of controller and its position area information of service Ask and obtain the access digit of position area information and the user equipment that one or more of downstreams are serviced from controller Confidence ceases identification information of identical first downstream from controller, for first downstream master controller according under described first Trip sends the second inquiry request to the first downstream from controller from the identification information of controller, and the first downstream is requested to be selected from controller Select and send for the user equipment provide buffer service buffer memory device identification information to the first downstream master controller.

13. device according to claim 12, which is characterized in that further include:

The processing module is according to Internet Service Provider's information of the access of the user equipment and the network of itself storage The identification information and its belonging network service provider information of middle one or more downstream master controller, inquire and obtain described one The network service of belonging network service provider information and user equipment access provides in the master controller of a or multiple downstreams The identification information of the identical first downstream master controller of quotient's information；

Then first sending module is specifically used for:

Alternatively,

The processing module by Internet Service Provider's information of the access of the user equipment be sent to name server or Application layer transmission optimization server, so that in domain name server or the application layer transmission optimization server according to The Internet Service Provider's information and domain name server of the access of user equipment or application layer transmission optimization clothes The identification information and its belonging network service provider information of one or more downstreams master controller in the network stored in business device, It inquires and obtains belonging network service provider information in one or more of downstream master controllers and connect with the user equipment The identification information of the identical first downstream master controller of the Internet Service Provider's information entered, the processing module receive the domain The identification information for first downstream master controller that name server or application layer transmission optimization server return；

Then first sending module is specifically used for:

14. device according to claim 13, which is characterized in that the processing module obtains the access of the user equipment Internet Service Provider's information, specifically include:

In the content request message comprising the user equipment access Internet Service Provider's information, the processing module from Internet Service Provider's information of the user equipment access is obtained in the content request message of the user equipment；Alternatively,

The processing module sends access Internet Service Provider's information inquiring request to the user equipment, the processing module Receive the Internet Service Provider's information for the access that the user equipment returns；Alternatively,

15. device according to claim 13, which is characterized in that the processing module is according to the access of the user equipment Internet Service Provider's information and itself storage network in one or more downstreams master controllers identification information and its Belonging network service provider information inquires and obtains belonging network service in one or more of downstream master controllers providing The identification information of quotient's information the first downstream master controller identical with Internet Service Provider's information that the user equipment accesses Before, it is also used to:

The registration information of one or more downstreams master controller in the network is received, includes the network in the registration information The identification information and its belonging network service provider information of middle one or more downstream master controller；Alternatively,

Obtain the identification information and its belonging network of one or more downstreams master controller in the network of itself storage Service provider information；Alternatively,

From the institute for obtaining one or more downstreams master controller in the network in Operation Support System or business support system State identification information and its belonging network service provider information.

16. a kind of content delivering apparatus characterized by comprising

First receiving module, for receiving the first inquiry request of upstream controller transmission, first inquiry request is for asking The first downstream master controller is asked to be provided as the identification information that user equipment provides the buffer memory device of buffer service；

First sending module, for sending the second inquiry request to the first downstream from controller, second inquiry request is used for First downstream is requested to be provided as the identification information that the user equipment provides the buffer memory device of buffer service from controller；

Second receiving module, for receiving the identification information for the buffer memory device that first downstream is sent from controller；

Second sending module, for the identification information of the buffer memory device to be sent to the upstream controller；

Wherein, second receiving module receives the identification information for the buffer memory device that first downstream is sent from controller Before, first sending module is also used to:

The accessing position information of the user equipment is sent to first downstream from controller so that first downstream from Controller is according to the accessing position information and first downstream of the user equipment from the network that controller itself stores The identification information of multiple buffer memory devices with caching capabilities and the position area information of service, inquire and obtain it is one or The position area information of service in multiple buffer memory devices buffer memory device identical with the accessing position information of the user equipment Identification information.

17. device according to claim 16, which is characterized in that further include:

It include the accessing position information of the user equipment in received first inquiry request of first receiving module；Or Person,

Processing module, the location application interface for calling open platform to provide, obtains the access digit confidence of the user equipment Breath；

Then the processing module is according to one or more in the accessing position information of the user equipment and the network of itself storage A downstream from the identification information of controller and its position area information of service, inquire and obtain one or more of downstreams from Mark of the position area information of controller the first downstream identical with the accessing position information of the user equipment from controller Information；

Then first sending module is specifically used for:

18. device according to claim 16, which is characterized in that further include:

Then the accessing position information of the user equipment is sent to name server by the processing module or application layer is transmitted Optimize server, so that according to the user equipment in domain name server or the application layer transmission optimization server One in the network stored in accessing position information and domain name server or the application layer transmission optimization server Or multiple downstreams are from the identification information of controller and its position area information of service, inquire and obtain it is one or more of under Trip is from position area information the first downstream identical with the accessing position information of the user equipment of controller from controller Identification information, and first downstream that domain name server or application layer transmission optimization server return is received from control The identification information of device；

Then first sending module is specifically used for:

19. device according to claim 17, which is characterized in that the processing module is according to the access of the user equipment One or more downstreams are believed from the mark of controller in the network stored in location information and first downstream master controller Breath and its position area information of service, inquire and obtain one or more of downstreams from the position area information of controller with Identical first downstream of the accessing position information of the user equipment is also used to before the identification information of controller:

Registration information of one or more downstreams from controller is received in the network, includes the network in the registration information Middle one or more downstream is from the identification information of controller and its position area information of service；Alternatively,

One or more downstreams are obtained in the network of first downstream master controller itself storage from described in controller Identification information and its position area information of service；Alternatively,

From obtaining in the network institute of one or more downstreams from controller in Operation Support System or business support system State the position area information of identification information and its service.

20. a kind of content delivering apparatus characterized by comprising

Receiving module, for receiving the second inquiry request of the first downstream master controller transmission, second inquiry request is used for The first downstream is requested to be provided as the identification information that user equipment provides the buffer memory device of buffer service from controller, described second looks into Asking request is that first downstream master controller receives after the first inquiry request of upstream controller transmission under described first What trip was sent from controller, first inquiry request is mentioned for requesting first downstream master controller to be provided as user equipment For the identification information of the buffer memory device of buffer service；

Processing module provides caching clothes for being determined as the user equipment in one or more of buffer memory devices in a network The buffer memory device of business obtains the identification information of the buffer memory device that buffer service is provided for the user equipment；

Sending module, for by the identification information of the identified buffer memory device for providing buffer service for the user equipment It is sent to first downstream master controller, so that first downstream master controller sends out the identification information of the buffer memory device Give the upstream controller；

Wherein, the receiving module receives the access digit confidence of the user equipment of first downstream master controller transmission Breath；

The processing module is according to multiple with slow in the accessing position information of the user equipment and the network of itself storage The identification information of the buffer memory device of ability and the position area information of the multiple buffer memory device service are deposited, inquire and is obtained is described The position area information of the service of one or more buffer memory devices is identical with the accessing position information of the user equipment for institute State the identification information that user equipment provides the buffer memory device of buffer service.

21. device according to claim 20, which is characterized in that the processing module is inquired and obtained one or more The position area information of the service of a buffer memory device is identical with the accessing position information of the user equipment to be set for the user After the identification information of the standby buffer memory device for providing buffer service, the sending module is also used to:

Stream regular instructions are sent to the buffer memory device for providing buffer service for the user equipment, the stream regular instructions are used In the instruction content distribution request for executing the user equipment for the buffer memory device that the user equipment provides buffer service.

22. the device according to claim 20 or 21, which is characterized in that the processing module is inquired and obtained one Or it is described that the position area information of the service in multiple buffer memory devices is identical with the accessing position information of the user equipment Before user equipment provides the identification information of the buffer memory device of buffer service, the processing module is also used to:

The registration information of one or more buffer memory devices in the network is received, includes one or more in the registration information The identification information of a buffer memory device and the position area information of service；

Obtain one or more identification informations of buffer memory device and the position area of service in the network of itself storage Domain information.

23. a kind of content delivering apparatus characterized by comprising memory and processor, the memory and the processor Communication, the memory is for storing computer program instructions, and the processor is based on calling and storing in the memory Calculation machine program instruction executes method according to any of claims 1-4.

24. a kind of content delivering apparatus characterized by comprising memory and processor, the memory and the processor Communication, the memory is for storing computer program instructions, and the processor is based on calling and storing in the memory Calculation machine program instruction executes such as the described in any item methods of claim 5-8.

25. a kind of content delivering apparatus characterized by comprising memory and processor, the memory and the processor Communication, the memory is for storing computer program instructions, and the processor is based on calling and storing in the memory Calculation machine program instruction executes such as the described in any item methods of claim 9-11.