CN105532012B

CN105532012B - Method of video distribution, equipment and system

Info

Publication number: CN105532012B
Application number: CN201480002447.0A
Authority: CN
Inventors: 韩厚晓; 夏渊; 赵文军; 陈潇
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2014-06-30
Filing date: 2014-06-30
Publication date: 2019-10-22
Anticipated expiration: 2034-06-30
Also published as: CN105532012A; WO2016000151A1

Abstract

The embodiment of the present invention provides a kind of method of video distribution, equipment and system, this method comprises: video optimized gateway VOG receive user equipment (UE) transmission for target video video request when, the judgement information for obtaining UE, where it is determined that information includes at least one of user signing contract information, terminal ability information and current network state information of UE；VOG is according to the determining target video parameter for being directed to UE of information is determined, wherein target video parameter includes at least one of resolution ratio, frame per second, code rate, code/decode type；VOG according to target video parameter from content distributing network CDN control node obtain target video multiple copies in target copy storage address；VOG obtains target copy according to storage address.The embodiment of the present invention obtains suitable target copy from CDN system by video optimized gateway and is sent to user, provides suitable video copy according to current network conditions for user, so as to mitigate the video flow pressure of mobile broadband network, improves user experience.

Description

Method of video distribution, equipment and system

Technical field

The present invention relates to information technology fields, and more particularly, to a kind of method of video distribution, equipment and system.

Background technique

Third generation partner program (3rd Generation Partnership Project, 3GPP) tissue proposes The grouping system (Evolved Packet System, EPS) of evolution, it is intended to which flattening network structure reduces network layer, simultaneous Hold a variety of wireless access technologys, the wireless access speed of higher speed is provided, meets user to broadband, mobile is ever-increasing Demand.

Drive the Video Applications of fixed the Internet broadband that will continue to become the powerful driving force of mobile Internet development, The major part moved integrally in data traffic at present is occupied by mobile video flow, and the ratio of mobile video flow will be after It is continuous to rise.Since there are limitations for wireless communication, such as Radio Access Network bandwidth stability is poor, frequency spectrum resource bottleneck, is mostly used Limited resources etc. are shared at family, and Mobile Network Operator will face the impact of video flow soaring rapidly, to user experience with And network capacity causes to challenge.

The combination of mobile broadband network and content distributing network (Content Delivery Network, CDN) can delay Solve above-mentioned Video Applications bring flow pressure.CDN by hot video content or can have the content supplier of cooperative relationship The video of offer is buffered in advance from the closer video cache node of user, and CDN system can be by the request of user again It is oriented on the service node nearest from user, user is allow to obtain required content nearby, solve the situation of network congestion.CDN System only user choose nearest node to obtain video copy, however in the case where network quality is bad or network congestion When still choosing the video copy of nearest nodal cache, it may result in the further deterioration of Network status, influence user experience.

Summary of the invention

The embodiment of the present invention provides a kind of method of video distribution, equipment and system, can be to use according to current network conditions Family provides the video copy for meeting user demand, so as to mitigate the video flow pressure of mobile broadband network, improves user Experience.

In a first aspect, providing a kind of method of video distribution, comprising: receive user equipment in video optimized gateway VOG UE send for target video video request when, the judgement information of the UE is obtained, wherein the judgement information includes institute State at least one of the user signing contract information, terminal ability information and current network state information of UE；The VOG is according to Determine that information determines the target video parameter for being directed to the UE, wherein the target video parameter includes resolution ratio, frame per second, code At least one of rate, code/decode type；The VOG is controlled from content distributing network CDN according to the target video parameter and is saved Point obtains the storage address of the target copy in multiple copies of the target video；The VOG is obtained according to the storage address Take the target copy.

With reference to first aspect, in the first implementation of first aspect, the video request includes the mark of the UE Know, the judgement information for obtaining the UE includes: that user signing contract information and the end of the UE are determined according to the mark of the UE Ability information is held, and determines current network state information.

With reference to first aspect and its above-mentioned implementation, in second of implementation of first aspect, the video is asked The uniform resource position mark URL including the target video is sought, in the VOG according to the target video parameter from content distribution Before network C DN control node obtains the storage address of the target copy in multiple copies of the target video, the method Further include: Xiang Suoshu CDN control node sends the URL；The CDN control node is received according to URL transmission The copy parameter of each copy in multiple copies of target video, wherein the copy parameter of each copy includes described each At least one of resolution ratio, frame per second, code rate, code/decode type and storage address of copy.

With reference to first aspect and its above-mentioned implementation, in the third implementation of first aspect, the VOG according to The target video parameter is from the target pair in multiple copies that content distributing network CDN control node obtains the target video This storage address, comprising: according to the determination of the copy parameter of each copy and the matched target of target video parameter Copy；Determine the storage address of the target copy.

With reference to first aspect and its above-mentioned implementation, in the 4th kind of implementation of first aspect, the VOG according to The target video parameter is from the target pair in multiple copies that content distributing network CDN control node obtains the target video This storage address, comprising: the request that Xiang Suoshu CDN control node sends the carrying URL and the target video parameter disappears Breath, in order to which the CDN node determines and the target video in multiple copies of the URL target video indicated The matched target copy of parameter, and determine the storage address of the target copy；Receive the described of the CDN control node transmission The storage address of target copy.

With reference to first aspect and its above-mentioned implementation, in the 5th kind of implementation of first aspect, the VOG according to The storage address obtains the target copy, comprising: the corresponding server of the CDN node being directed toward from the storage address is read The target copy；The VOG is obtained according to the storage address after the target copy, further includes: Xiang Suoshu UE is sent The target copy.

With reference to first aspect and its above-mentioned implementation, in the 6th kind of implementation of first aspect, the method is also It include: that the video temperature information of the target video is counted according to the video request received；It is sent out to the CDN control node The video temperature information is sent, in order to which the CDN control node summarizes the video temperature information for multiple videos that VOG is reported, And determine at least one hot video；At least one described hot video is obtained from the CDN control node, and caching is described extremely A few hot video.

Second aspect provides a kind of method of video distribution, comprising: content distributing network CDN control node receives video Optimize the request message for target video that gateway VOG is sent；The CDN control node is according to the request message to described VOG sends the copy information of the target video, in order to which the VOG obtains the target video according to the copy information Target copy.

In conjunction with second aspect, in the first implementation of second aspect, the request message for target video Uniform resource position mark URL including the target video, the CDN control node is according to the request message to the VOG Send the copy information of the target video, comprising: each pair in multiple copies of the target video is determined according to the URL This copy parameter, wherein the copy parameter of each copy includes resolution ratio, frame per second, code rate, the volume of each copy At least one of coding type and storage address；The copy parameter of each copy in the multiple copy is sent to the VOG, In order to which the VOG is according to the determining storage with the matched target copy of target video parameter of the copy parameter of each copy Address, and the corresponding server of CDN node being directed toward from the storage address reads the target copy, wherein the target Video parameter according to the user signing contract information for the user equipment (UE) for initiating video request, terminal ability information and is worked as by the VOG At least one of preceding network state information determines that the target video parameter includes resolution ratio, frame per second, code rate, encoding and decoding class At least one of type.

It is described to be directed to mesh in second of implementation of second aspect in conjunction with second aspect and its above-mentioned implementation The request message of mark video includes that view is initiated in the uniform resource position mark URL of the target video and determining being directed to of the VOG The target video parameter of the user equipment (UE) of frequency request, wherein the target video parameter is by the VOG according to the use of the UE At least one of family signing information, terminal ability information and current network state information are determining, the target video parameter packet Include at least one of resolution ratio, frame per second, code rate, code/decode type.

In conjunction with second aspect and its above-mentioned implementation, in the third implementation of second aspect, the CDN control Node sends the copy information of the target video according to the request message to the VOG, comprising: in URL instruction The determining and matched target copy of the target video parameter in multiple copies of the target video, and determine the target pair This storage address；The storage address of the target copy is sent, to the VOG in order to which the VOG is from the storage address The corresponding server of the CDN node of direction reads the target copy.

The third aspect provides a kind of video optimized gateway, comprising: acquiring unit, in the video optimized gateway VOG receive user equipment (UE) transmission for target video video request when, obtain the judgement information of the UE, wherein institute It states and determines that information includes at least one in the user signing contract information, terminal ability information and current network state information of the UE Kind；Determination unit, for determining the target video parameter for being directed to the UE according to the judgement information, wherein the target video Parameter includes at least one of resolution ratio, frame per second, code rate, code/decode type；The acquiring unit is also used to according to the mesh Mark video parameter depositing from the target copy in multiple copies that content distributing network CDN control node obtains the target video Store up address；The acquiring unit is also used to obtain the target copy according to the storage address.

In conjunction with the third aspect, in the first implementation of the third aspect, the video request includes the mark of the UE Know, the acquiring unit is specifically used for: determining that the user signing contract information of the UE and terminal capability are believed according to the mark of the UE Breath, and determine current network state information.

In conjunction with the third aspect and its above-mentioned implementation, in second of implementation of the third aspect, the video is asked The uniform resource position mark URL including the target video is sought, the VOG further includes transmission unit and receiving unit, the hair Send unit to be used for: Xiang Suoshu CDN control node sends the URL；The receiving unit is for receiving the CDN control node root According to the copy parameter of each copy in multiple copies of the URL target video sent, wherein each copy Copy parameter includes at least one of resolution ratio, frame per second, code rate, code/decode type and the storage address of each copy.

It is described determining single in the third implementation of the third aspect in conjunction with the third aspect and its above-mentioned implementation Member is specifically used for: according to the determination of the copy parameter of each copy and the matched target copy of the target video parameter；Really The storage address of the fixed target copy.

In conjunction with the third aspect and its above-mentioned implementation, in the 4th kind of implementation of the third aspect, the VOG is also wrapped Include transmission unit and receiving unit, the transmission unit is used for: Xiang Suoshu CDN control node, which is sent, carries the URL and described The request message of target video parameter, in order to which the CDN node is in multiple copies of the URL target video indicated Middle determination and the matched target copy of the target video parameter, and determine the storage address of the target copy；The reception Unit is used for: receiving the storage address for the target copy that the CDN control node is sent.

In conjunction with the third aspect and its above-mentioned implementation, in the 5th kind of implementation of the third aspect, the acquisition is single Member is specifically used for: the corresponding server of the CDN node being directed toward from the storage address reads the target copy；The transmission is single Member is also used to: Xiang Suoshu UE sends the target copy.

In conjunction with the third aspect and its above-mentioned implementation, in the 6th kind of implementation of the third aspect, the VOG is also wrapped Statistic unit and transmission unit are included, the statistic unit is used for: according to the video request received, counting the target video Video temperature information；The video temperature information is sent to the CDN control node by the transmission unit, in order to described CDN control node summarizes the video temperature information for multiple videos that VOG is reported, and determines at least one hot video；It is described to obtain It takes unit to be also used to: obtaining at least one described hot video from the CDN control node, and cache at least one described hot spot Video.

Fourth aspect provides a kind of content distributing network control node, comprising: receiving unit, it is excellent for receiving video Change the request message for target video that gateway VOG is sent；Transmission unit, for according to the request message to the VOG The copy information of the target video is sent, in order to which the VOG obtains according to the copy information mesh of the target video Mark copy.

In conjunction with fourth aspect, in the first implementation of fourth aspect, the request message for target video Uniform resource position mark URL including the target video, the CDN control node further includes determination unit, described determining single Member is specifically used for: the copy parameter of each copy in multiple copies of the target video is determined according to the URL, wherein described The copy parameter of each copy includes in resolution ratio, frame per second, code rate, code/decode type and the storage address of each copy It is at least one；The copy parameter of each copy in the multiple copy is sent to the VOG by the transmission unit, in order to The VOG determines the storage address with the matched target copy of target video parameter according to the copy parameter of each copy, And the corresponding server of the CDN node being directed toward from the storage address reads the target copy, wherein the target video Parameter is by the VOG according to user signing contract information, terminal ability information and the current net of the user equipment (UE) for initiating video request At least one of network status information determines, the target video parameter include resolution ratio, frame per second, code rate, in code/decode type At least one.

It is described to be directed to mesh in second of implementation of fourth aspect in conjunction with fourth aspect and its above-mentioned implementation The request message of mark video includes that view is initiated in the uniform resource position mark URL of the target video and determining being directed to of the VOG The target video parameter of the user equipment (UE) of frequency request, wherein the target video parameter is by the VOG according to the use of the UE At least one of family signing information, terminal ability information and current network state information are determining, the target video parameter packet Include at least one of resolution ratio, frame per second, code rate, code/decode type.

In conjunction with fourth aspect and its above-mentioned implementation, in the third implementation of fourth aspect, the CDN control Node further includes determination unit, and the determination unit is used for: in multiple copies of the target video of URL instruction really The fixed and matched target copy of the target video parameter, and determine the storage address of the target copy；Pass through the transmission Unit sends the storage address of the target copy, the CDN being directed toward in order to the VOG from the storage address to the VOG The corresponding server of node reads the target copy.

5th aspect, provides a kind of video distribution system, comprising: video optimized gateway VOG and content distributing network CDN Control node, the VOG be used for receive user equipment (UE) transmission for target video video request when, described in acquisition The judgement information of UE, wherein described determine that information includes the user signing contract information, terminal ability information and current network of the UE At least one of status information；The target video parameter for being directed to the UE is determined according to the judgement information, wherein the mesh Marking video parameter includes at least one of resolution ratio, frame per second, code rate, code/decode type；According to the target video parameter from The CDN control node obtains the storage address of the target copy in multiple copies of the target video；According to the storage Address obtains the target copy；It is described that the content distributing network CDN control node is used to receive being directed to for the VOG transmission The request message of target video；The copy information of the target video is sent to the VOG according to the request message, in order to The VOG obtains the target copy of the target video according to the copy information.

The embodiment of the present invention determines the target video parameter for being directed to user equipment by video optimized gateway, and according to target Video parameter obtains suitable target copy from CDN system and is sent to user, can be provided according to current network conditions for user Meet the video copy of user demand, so as to mitigate the video flow pressure of mobile broadband network, improves user experience.

Detailed description of the invention

In order to illustrate the technical solution of the embodiments of the present invention more clearly, will make below to required in the embodiment of the present invention Attached drawing is briefly described, it should be apparent that, drawings described below is only some embodiments of the present invention, for For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other Attached drawing.

Fig. 1 is the network architecture diagram of one embodiment of the invention.

Fig. 2 is the flow chart of the method for video distribution of one embodiment of the invention.

Fig. 3 is the flow chart of the method for video distribution of one embodiment of the invention.

Fig. 4 is the interaction figure of the method for video distribution of one embodiment of the invention.

Fig. 5 is the interaction figure of the method for video distribution of another embodiment of the present invention.

Fig. 6 is the interaction figure of the method for video distribution of another embodiment of the present invention.

Fig. 7 is the schematic block diagram of the video optimized gateway of one embodiment of the invention.

Fig. 8 is the schematic block diagram of the content distributing network control node of one embodiment of the invention.

Fig. 9 is the schematic block diagram of the video optimized gateway of another embodiment of the present invention.

Figure 10 is the schematic block diagram of the content distributing network control node of another embodiment of the present invention.

Specific embodiment

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiment is a part of the embodiments of the present invention, rather than whole embodiments.Based on this hair Embodiment in bright, those of ordinary skill in the art's every other reality obtained without making creative work Example is applied, all should belong to the scope of protection of the invention.

Technical solution of the present invention can be applied to various communication systems, such as: global system for mobile communications (GSM, Global System of Mobile communication), CDMA (CDMA, Code Division Multiple Access) system, wideband code division multiple access (WCDMA, Wideband Code Division Multiple Access Wireless), General Packet Radio Service (GPRS, General Packet Radio Service), long term evolution (LTE, Long Term Evolution) etc..

User equipment (UE, User Equipment), also referred to as mobile terminal (Mobile Terminal), movement User equipment etc., can be through wireless access network (for example, RAN, Radio Access Network) and one or more core nets It is communicated, user equipment can be mobile terminal, such as mobile phone (or being " honeycomb " phone) and with mobile terminal Computer, for example, it may be portable, pocket, hand-held, built-in computer or vehicle-mounted mobile device, they with Wireless access network exchanges language and/or data.

Base station can be the base station (BTS, Base Transceiver Station) in GSM or CDMA, be also possible to Base station (NodeB) in WCDMA can also be evolved base station (eNB or e-NodeB, evolutional Node in LTE B), the present invention does not limit, but for convenience of description, and following embodiments are illustrated by taking Node B as an example.

Fig. 1 is the network architecture diagram of one embodiment of the invention.

As shown in Figure 1, EPS system may include base station (by taking eNB as an example), gateway (Serving Gateway, SGW), packet data gateway (Packet Data Network Gateway, PGW), mobile management entity (Mobility Management Entity, MME), "Policy and Charging Rules Function entity (Policy and Charging Rule Function, PCRF) composition, the service optimization gateway of core-network side, such as video optimized gateway (Video Optimization Gateway, VOG), it can be used as a logic functional block and be integrated in Packet Data Network inside the Pass, can also be used as an independence Deployed with devices can be connected with packet data gateway by Sgi interface when disposing as autonomous device, provide video cache And optimization processing.

Content distributing network (Content Delivery Network, CDN) is building in packet data network (Packet Data Network, PDN) on a kind of distributed content delivery network.CDN system may include multiple service nodes, and extremely A few control node.CDN control node can use global load balancing technology and be directed toward the access of user apart from user most Close can provide the CDN service node of respective service for user, which corresponds to reality and provide content for user Server.

Open interface between VOG and CDN, specifically, can build network or maintenance network when configuration VOG and CDN it Between interface, or logical channel is established for VOG and CDN, so that the two can communicate.It should be understood that CDN is Logic Networks Network, VOG can with the fringe node open interface of CDN or establish logical channel, in order to be communicated.

When UE needs to obtain video data, video request can be initiated to base station, video request can be passed through net by base station Pass is sent to VOG, and VOG will be transferred to this according to the terminal capability of the UE, user signing contract information and current network state determination The parameters such as resolution ratio, frame per second, code rate, the code/decode type of the video of UE.VOG by the interface or logical channel between CDN, Suitable video copy is obtained from CDN according to the parameter of the determining video that be transferred to UE, and passes to user.

Fig. 2 is the flow chart of the method for video distribution of one embodiment of the invention.The method of Fig. 2 can be by video optimized net VOG is closed to execute.

201, video optimized gateway VOG receive user equipment (UE) transmission for target video video request when, The judgement information for obtaining UE, where it is determined that information includes the user signing contract information, terminal ability information and current network state of UE At least one of information.

202, VOG according to the determining target video parameter for being directed to UE of information is determined, wherein target video parameter includes differentiating At least one of rate, frame per second, code rate, code/decode type.

203, VOG obtain multiple pairs of target video according to target video parameter from content distributing network CDN control node The storage address of target copy in this.

204, VOG obtain target copy according to storage address.

Optionally, as one embodiment, video request includes the mark of UE, and step 201 includes: true according to the mark of UE Determine the user signing contract information and terminal ability information of UE, and determines current network state information.

It should be understood that VOG obtain be directed to UE judgement information when, can by the mark of the UE carried in video request come It obtains user signing contract information and terminal ability information, the mark of UE can be international mobile subscriber identity (International Mobile Subscriber Identification, IMSI), identification number of mobile subscriber (Mobile Subscriber Identification Number, MSIN) and International Mobile Station Equipment Identification (International Mobile Equipment Identity, IMEI) etc..Specifically, VOG can be obtained from the server for be stored with user information according to the mark of UE, be used Family signing information may include User Priority (such as VIP user, ordinary user etc.), acceptable service quality (Quality Of Service, QoS), the code rate, the code/decode type etc. that allow to provide.Terminal ability information can report acquisition by UE, It can also be obtained by the mark of UE, terminal ability information can indicate maximum resolution, frame per second, the volume of the video that UE is supported Coding type and video file type etc..Network state information can report acquisition or core net to obtain by wireless side, To indicate network current unimpeded, Congestion Level SPCC or loading condition etc..

Optionally, step 202, VOG determines the target video parameter for being directed to UE according to judgement information.Specifically, VOG can be with Determine what the receptible maximum resolution of UE, frame per second, code rate and UE were supported according to user signing contract information and terminal ability information Code/decode type, the video file type that can additionally there is UE to support.Further, VOG can be according to current network-like State information is finally determined as resolution ratio, frame per second, code rate and the code/decode type of target video parameter.For example, if current net Network state is poor, load it is higher, then VOG can be reduced on the basis of the receptible maximum resolution of UE, frame per second, code rate one or Person is multinomial, to reduce the pressure to network video flow, prevents further congestion.It, can be with if current network state is preferable The receptible maximum resolution of UE, frame per second, code rate and the UE code/decode type supported are determined as to final target video ginseng Number improves user experience in order to provide the video of better quality for user.In addition, VOG can also be according to user signing contract information Resolution ratio, frame per second, the range of code rate and code/decode type are determined with terminal ability information, and VOG is further according to network state Information determines above-mentioned parameter, and when network state is poor, above-mentioned parameter will not be reduced to range or less, it is ensured that Mou Xiegao The user experience of priority users.

Optionally, as one embodiment, video request includes the uniform resource position mark URL of target video, in step Before 203, method further include: send URL to CDN control node；Receive the target video that CDN control node is sent according to URL Multiple copies in each copy copy parameter, wherein the copy parameter of each copy includes the resolution ratio of each copy, frame At least one of rate, code rate, code/decode type and storage address.

The video request can be transmitted to CDN control node after receiving video request by VOG.It should be understood that due to CDN control node is not necessarily connected with VOG, and video request can be passed through CDN system most by the CDN fringe node being connected with VOG It is transmitted to CDN control node eventually.It, can be true according to the URL carried in video request after CDN control node receives video request The copy parameter of the multiple copies for the target video that the fixed URL is directed toward.Specifically, since each copy of target video is stored in On multiple and different corresponding servers of CDN service node, CDN control node is sent out after can summarizing the copy parameters of multiple copies It send to VOG.Wherein the copy parameter of different copies can be entirely different or partially different, such as resolution ratio, frame per second, code Identical two copies of rate, code/decode type can store be stored in different addresses or same storage address it is more The different copy, etc. of a resolution ratio, frame per second, code rate, encoding and decoding.It should also be understood that multiple pairs that CDN control node summarizes This parameter can be the copy parameter of all copies of target video, or the copy parameter of part copy, the present invention couple This is not limited.

Optionally, as one embodiment, step 203 includes: to regard according to the copy parameter of each copy is determining with target The matched target copy of frequency parameter；Determine the storage address of target copy.

After receiving the copy parameter of multiple copies of CDN control node transmission, VOG can be in above-mentioned multiple copies Copy corresponding with the matched copy parameter of target video parameter that VOG is determined is determined in copy parameter, and determines that the copy is Target copy.Specifically, whether VOG can be determined first has and the complete phase of target video parameter in the copy parameters of multiple copies Same copy parameter, if so, then directly determining the identical copy parameter to correspond to copy is target copy；If not provided, can To select the copy parameter being closer to target video parameter.It, correspondingly can be according to the target after determining target copy The copy parameter of copy directly determines its storage address.

Optionally, as one embodiment, step 203 includes: to send to carry URL and target video to CDN control node The request message of parameter, in order to which CDN node determines and target video parameter in multiple copies of the URL target video indicated Matched target copy, and determine the storage address of target copy；With receiving the storage for the target copy that CDN control node is sent Location.

Specifically, after VOG is directed to the target video parameter of UE according to the determination of the judgement information of acquisition, VOG can be incited somebody to action URL and target video parameter are sent to CDN control node, and the copy by CDN control node in multiple copies of target video is joined The determining and matched copy parameter of target video parameter in number, similarly, CDN control node can determine the copy of multiple copies Whether have in parameter with the identical copy parameter of target video parameter, if so, then by the storage in the copy parameter Location is sent to VOG；If not provided, can choose the copy parameter being closer to target video parameter, and storage address is sent out Give VOG.

Optionally, as one embodiment, step 204 includes: the corresponding server of CDN node being directed toward from storage address Read target copy；VOG is obtained according to storage address after target copy, further includes: sends target copy to UE.

VOG is in the storage address for determining target copy or the storage address for receiving from CDN control node target copy Afterwards, target copy can be obtained from the corresponding server of corresponding CDN service node according to the storage address.

Optionally, as one embodiment, method further include: according to the video request received, count target video Video temperature information；To CDN control node send video temperature information, in order to CDN control node summarize VOG report it is multiple The video temperature information of video, and determine at least one hot video；At least one hot video is obtained from CDN control node, And cache at least one hot video.

It should be understood that VOG can determine video temperature information according to the number received for the video request of target video, CDN control node can summarize the video temperature information of multiple videos, therefrom determine at least one highest video of video temperature, Such as determine that the top ranked N number of video of video request number is hot video.At least one determining hot video is cached To VOG, directly to provide video when receiving the subsequent request for hot video with VOG for user.

Fig. 3 is the flow chart of the method for video distribution of one embodiment of the invention.The method of Fig. 3 is held by CDN control node Row.

301, content distributing network CDN control node receives the asking for target video that video optimized gateway VOG is sent Seek message.

302, CDN control nodes according to request message to VOG send target video copy information, in order to VOG according to The target copy of copy information acquisition target video.

VOG receive user equipment (UE) transmission for target video video request when, VOG can disappear the request Breath is forwarded to CDN control node, or is sent to CDN control node after treatment.Specifically, which carries UE The URL of the target video of request, which, which can also further carry the target video for the UE that VOG is determined, joins Number.

Optionally, as one embodiment, the request message for target video includes that the unified resource of target video is fixed Position symbol URL, CDN control node send the copy information of target video according to request message to VOG, comprising: determine mesh according to URL The copy parameter for marking each copy in multiple copies of video, wherein the copy parameter of each copy includes the resolution of each copy At least one of rate, frame per second, code rate, code/decode type and storage address；The pair of each copy in multiple copies is sent to VOG This parameter, in order to which VOG is according to the determining storage with the matched target copy of target video parameter of the copy parameter of each copy Address, and the corresponding server of CDN node being directed toward from storage address reads target copy, wherein target video parameter by VOG according to initiate video request user equipment (UE) user signing contract information, terminal ability information and current network state information At least one of determine, target video parameter includes at least one of resolution ratio, frame per second, code rate, code/decode type.

The request message can be transmitted to CDN control node after the video request for receiving UE transmission by VOG.Ying Li Solution, since CDN control node is not necessarily connected with VOG, video request can be passed through CDN by the CDN fringe node being connected with VOG System is finally transmitted to CDN control node.After CDN control node receives video request, it can be carried according in video request URL determine the URL be directed toward target video multiple copies copy parameter.Specifically, due to each pair of target video Originally it is stored on multiple and different corresponding servers of CDN service node, CDN control node can summarize the copy of multiple copies VOG is sent to after parameter.Wherein the copy parameter of different copies can be entirely different or partially different, such as resolution ratio, Identical two copies of frame per second, code rate, code/decode type can store to be deposited in different addresses or same storage address Contain the different copy, etc. of multiple resolution ratio, frame per second, code rate, encoding and decoding.It should also be understood that CDN control node summarized Multiple copy parameters can be the copy parameter of all copies of target video, or the copy parameter of part copy, this Invention does not limit this.

Before or after CDN control node sends the copy information of target video to VOG, VOG can be according to judgement Information determines the target video parameter for being directed to UE, determines that information is obtained by VOG, including user signing contract information, terminal ability information At least one of with network state information, wherein user signing contract information and terminal ability information can be by taking in video request The mark of the UE of band obtains, and the mark of UE can be IMSI, MSIN and IMEI etc..Specifically, VOG can be according to the mark of UE It is obtained from the server for be stored with user information, user signing contract information may include that User Priority is (such as VIP user, general General family etc.), acceptable QoS, the code rate for allowing to provide, code/decode type etc..Terminal ability information can be by UE Report obtain, can also be obtained by the mark of UE, terminal ability information can indicate UE support video maximum resolution, Frame per second, code/decode type and video file type etc..Network state information can report acquisition or core by wireless side Net obtains, to indicate network current unimpeded, Congestion Level SPCC or loading condition etc..

It can determine that specifically, VOG can be according to user according to judgement information by VOG for the target video parameter of UE Signing information and terminal ability information determine the encoding and decoding class that the receptible maximum resolution of UE, frame per second, code rate and UE are supported Type, the video file type that can additionally there is UE to support.Further, VOG can be according to current network state information most It is determined as resolution ratio, frame per second, code rate and the code/decode type of target video parameter eventually.For example, if current network state compared with Difference, load is higher, then VOG can reduce one or more on the basis of the receptible maximum resolution of UE, frame per second, code rate, To reduce the pressure to network video flow, further congestion is prevented.If current network state is preferable, UE can be connect The code/decode type that maximum resolution, frame per second, code rate and the UE received is supported is determined as final target video parameter, in order to The video of better quality is provided for user, improves user experience.In addition, VOG can also be according to user signing contract information and terminal energy Force information determines that resolution ratio, frame per second, the range of code rate and code/decode type, VOG are further being determined according to network state information Above-mentioned parameter, and when network state is poor, above-mentioned parameter will not be reduced to range or less, it is ensured that certain high priorities are used The user experience at family.

Optionally, as one embodiment, the request message for target video includes that the unified resource of target video is fixed What position symbol URL and VOG was determined is directed to the target video parameter for initiating the user equipment (UE) of video request, wherein target video parameter It is determined by VOG according at least one of the user signing contract information of UE, terminal ability information and current network state information, target Video parameter includes at least one of resolution ratio, frame per second, code rate, code/decode type.

After the video request that VOG receives UE transmission, VOG can determine the target video for being directed to UE according to judgement information Parameter determines that information is obtained by VOG, including at least one in user signing contract information, terminal ability information and network state information Kind, wherein user signing contract information and terminal ability information can be obtained by the mark of the UE carried in video request, UE's Mark can be IMSI, MSIN and IMEI etc..Specifically, VOG can be according to the mark of UE from the service for being stored with user information Obtained in device, user signing contract information may include User Priority (such as VIP user, ordinary user etc.), acceptable QoS, Code rate, the code/decode type etc. of offer are provided.Terminal ability information can report acquisition by UE, can also pass through the mark of UE Know to obtain, terminal ability information can indicate maximum resolution, frame per second, code/decode type and the video text of the video that UE is supported Part type etc..Network state information can report acquisition or core net to obtain by wireless side, to indicate that network is currently smooth Logical, Congestion Level SPCC or loading condition etc..It is determined by VOG according to judgement information for the target video parameter of UE, specifically, VOG The receptible maximum resolution of UE, frame per second, code rate and UE branch can be determined according to user signing contract information and terminal ability information The code/decode type held, the video file type that can additionally there is UE to support.Further, VOG can be according to current net Network status information is finally determined as resolution ratio, frame per second, code rate and the code/decode type of target video parameter.For example, if working as Preceding network state is poor, and load is higher, then VOG can reduce by one on the basis of the receptible maximum resolution of UE, frame per second, code rate Item is multinomial, to reduce the pressure to network video flow, prevents further congestion.If current network state is preferable, The receptible maximum resolution of UE, frame per second, code rate and the UE code/decode type supported can be determined as final target to regard Frequency parameter improves user experience in order to provide the video of better quality for user.In addition, VOG can also contract according to user Information and terminal ability information determine resolution ratio, frame per second, the range of code rate and code/decode type, and VOG is further according to network Status information determines above-mentioned parameter, and when network state is poor, above-mentioned parameter will not be reduced to range or less, it is ensured that certain The user experience of a little high-priority users.

Optionally, as one embodiment, CDN control node sends the copy of target video according to request message to VOG Information, comprising: the determining and matched target copy of target video parameter in multiple copies of the target video of URL instruction, and Determine the storage address of target copy；The storage address that target copy is sent to VOG, is directed toward in order to VOG from storage address The corresponding server of CDN node reads target copy.

After target video parameter determines, VOG can will be directed to the URL of target video and for the target video parameter of UE It is sent to CDN control node.By CDN control node in the copy parameter of multiple copies of target video determining and target video The matched copy parameter of parameter, similarly, CDN control node can determine in the copy parameter of multiple copies whether have and target The identical copy parameter of video parameter, if so, the storage address in the copy parameter is then sent to VOG；If not yet Have, can choose the copy parameter being closer to target video parameter, and storage address is sent to VOG, in order to VOG root Target copy is obtained from the corresponding server of corresponding CDN service node according to the storage address.

S401, video request.

UE initiates the video request for being directed to target video to VOG, and wherein the request carries the URL, Huo Zheqi of target video He is capable of the label of the unique identification target video.Optionally, which can also carry the mark of UE, such as IMSI, MSIN, IMEI etc..

S402 forwards video request.

VOG forwards the request to CDN control node after receiving video request, i.e., is forwarded to the URL of target video CDN control node.

S403, the copy parameter of each copy.

After CDN control node receives video request, it can determine that the URL is directed toward according to the URL carried in video request Target video multiple copies copy parameter.Specifically, due to each copy of target video be stored in it is multiple and different On the corresponding server of CDN service node, CDN control node is sent to VOG after can summarizing the copy parameters of multiple copies.Its The copy parameter of middle difference copy can be entirely different or partially different, such as resolution ratio, frame per second, code rate, encoding and decoding class Identical two copies of type, which can store, is stored with multiple resolution ratio, frame in different addresses or same storage address The different copy, etc. of rate, code rate, encoding and decoding.It should also be understood that multiple copy parameters for summarizing of CDN control node can be with For the copy parameter of all copies of target video, or the copy parameter of part copy, the present invention do not limit this.

S404 determines the target video parameter for being directed to UE according to judgement information.

Step S404 can any point-in-time after the step S401 and before step S405 execute, the present invention to this simultaneously It does not limit.

After the video request that VOG receives UE transmission, the judgement information for UE can be obtained first, where it is determined that letter Breath includes at least one of user signing contract information, terminal ability information and the current network state information of UE.Specifically, user Signing information and terminal ability information can be obtained by the mark of the UE carried in video request, and the mark of UE can be IMSI, MSIN and IMEI etc..Specifically, VOG can be obtained from the server for be stored with user information according to the mark of UE, be used Family signing information may include User Priority (such as VIP user, ordinary user etc.), acceptable QoS, the code for allowing to provide Rate, code/decode type etc..Terminal ability information can report acquisition by UE, can also be obtained by the mark of UE, eventually End ability information can indicate maximum resolution, frame per second, code/decode type and the video file type of video etc. that UE is supported. Network state information can report acquisition or core net to obtain by wireless side, to indicate the current unimpeded, Congestion Level SPCC of network Or loading condition etc..

S405 determines the storage address of target copy.

The copy parameter and step for each copy that VOG is sent according to the CDN control node received in step S403 The target video parameter determined in S404, can determine can be with target video parameter in the copy parameter of above-mentioned each copy The corresponding copy of copy parameter matched, and the copy is determined as target copy.Specifically, VOG can determine multiple pairs first Whether have in this copy parameter with the identical copy parameter of target video parameter, if so, it is identical then to directly determine this Copy parameter correspond to copy be target copy；Join if not provided, can choose the copy being closer to target video parameter Number.After determining target copy, correspondingly its storage address can be directly determined according to the copy parameter of the target copy.

S406 obtains target copy.

VOG, can be according to the storage address from corresponding CDN service node pair after the storage address for determining target copy The server answered obtains target copy.

S407 issues target copy.

The target copy that VOG will acquire is as video stream to UE, to respond the video request of UE.

S501, video request.

S502 determines the target video parameter for being directed to UE according to judgement information.

After the video request that VOG receives UE transmission, the available judgement information for UE, where it is determined that packet Include at least one of the user signing contract information, terminal ability information and current network state information of UE.Specifically, user contracts Information and terminal ability information can be obtained by the mark of the UE carried in video request, the mark of UE can for IMSI, MSIN and IMEI etc..Specifically, VOG can be obtained from the server for be stored with user information according to the mark of UE, user's label About information may include User Priority (such as VIP user, ordinary user etc.), acceptable QoS, allow provide code rate, Code/decode type etc..Terminal ability information can report acquisition by UE, can also be obtained by the mark of UE, terminal energy Force information can indicate maximum resolution, frame per second, code/decode type and the video file type of video etc. that UE is supported.Network Status information can report acquisition or core net to obtain by wireless side, to indicate the current unimpeded, Congestion Level SPCC of network or bear Carry situation etc..

S503 sends URL and target video parameter.

VOG sends the target view that VOG in the URL and step S502 that carry target video is determined to CDN control node The request message of frequency parameter.

S504 determines target copy.

After CDN control node receives request message, copy parameter of the CDN control node in multiple copies of target video Middle determination and the matched copy parameter of target video parameter, CDN control node, which can determine in the copy parameters of multiple copies, is It is no have with the identical copy parameter of target video parameter, if so, then mesh will be determined as with the copy of the copy parameter Mark copy；If not provided, can choose copy corresponding with the copy parameter that target video parameter is closer to as target pair This.

S505, the storage address of target copy.

After CDN control node determines target copy, the storage address of target copy can be sent to VOG.

S506 obtains target copy.

S507 issues target copy.

S601, video request.

S602 counts video temperature information and reports.

VOG determines the video temperature information of target video according to the number received for the video request of target video. It should be understood that VOG can also count other video temperature information for being requested or being requested video other than target video.It is complete After statistics, video temperature information is reported to CDN control node.

S603 determines hot video.

CDN control node receives after the video temperature information that VOG is reported, and can summarize what each VOG was reported Video temperature information, and determine at least one hot video, such as will determine that the top ranked N number of video of video request number is true It is set to hot video.

S604 pushes hot video.

At least one determining hot video is sent to VOG, or the storage address of hot video is sent to VOG, To obtain hot video from corresponding CDN service node with VOG.

S605 caches hot video.

VOG gets and is cached after hot video locally, in order to be asked for the subsequent of hot video receiving Video directly is provided for user when asking.

Fig. 7 is the schematic block diagram of the video optimized gateway of one embodiment of the invention.The video optimized gateway VOG 70 of Fig. 7 Including acquiring unit 71 and determination unit 72.

Acquiring unit 71 VOG 70 receive user equipment (UE) transmission be directed to target video video request when, acquisition The judgement information of UE, where it is determined that information includes the user signing contract information, terminal ability information and current network state information of UE At least one of；Determination unit 72 determines the target video parameter for being directed to UE according to judgement information, wherein target video parameter Including at least one of resolution ratio, frame per second, code rate, code/decode type；Acquiring unit 71 is according to target video parameter from content Distribution network CDN control node obtains the storage address of the target copy in multiple copies of target video；Acquiring unit 71 Target copy is obtained according to storage address.

The embodiment of the present invention determines the target video parameter for being directed to user equipment, and root by video optimized gateway VOG 70 Suitable target copy is obtained from CDN system according to target video parameter and is sent to user, can be to use according to current network conditions Family provides the video copy for meeting user demand, so as to mitigate the video flow pressure of mobile broadband network, improves user Experience.

Optionally, as one embodiment, video request includes the mark of UE, and acquiring unit 71 is specifically used for: according to UE Mark determine the user signing contract information and terminal ability information of UE, and determine current network state information.

It should be understood that the acquiring unit 71 of VOG 70, can be by video request when obtaining the judgement information for being directed to UE The mark of the UE of carrying obtains user signing contract information and terminal ability information, and the mark of UE can be IMSI, MSIN and IMEI Deng.Specifically, VOG can be obtained from the server for be stored with user information according to the mark of UE, and user signing contract information can be with Including User Priority (such as VIP user, ordinary user etc.), acceptable QoS, the code rate for allowing to provide, code/decode type Etc..Terminal ability information can report acquisition by UE, can also be obtained by the mark of UE, and terminal ability information can be with Indicate maximum resolution, frame per second, code/decode type and the video file type of video etc. that UE is supported.Network state information can To report acquisition or core net to obtain by wireless side, to indicate network current unimpeded, Congestion Level SPCC or loading condition etc..

Optionally it is determined that unit 72, which is specifically used for the judgement information obtained according to acquiring unit 71, determines the target for being directed to UE Video parameter.Specifically, the determination unit 72 of VOG 70 can determine UE energy according to user signing contract information and terminal ability information The code/decode type that maximum resolution, frame per second, code rate and the UE of receiving are supported, the video file that can additionally there is UE to support Type.Further, the determination unit 72 of VOG70 can finally be determined as target video according to current network state information Resolution ratio, frame per second, code rate and the code/decode type of parameter.For example, load is higher, then VOG if current network state is poor 70 can reduce one or more on the basis of the receptible maximum resolution of UE, frame per second, code rate, to reduce to network video The pressure of flow prevents further congestion.If current network state is preferable, can by the receptible maximum resolution of UE, The code/decode type that frame per second, code rate and UE are supported is determined as final target video parameter, higher in order to provide for user The video of quality improves user experience.In addition, the determination unit 72 of VOG 70 can also be according to user signing contract information and terminal energy Force information determines that resolution ratio, frame per second, the range of code rate and code/decode type, VOG 70 are further true according to network state information again Determine above-mentioned parameter, and when network state is poor, above-mentioned parameter will not be reduced to range or less, it is ensured that certain high priorities The user experience of user.

Optionally, as one embodiment, video request includes the uniform resource position mark URL of target video, VOG 70 Further include transmission unit 73 and receiving unit 74, transmission unit 73 is used for: sending URL to CDN control node；Receiving unit 74 is used In the copy parameter for receiving each copy in multiple copies of the CDN control node according to the URL target video sent, wherein each The copy parameter of copy includes at least one in resolution ratio, frame per second, code rate, code/decode type and the storage address of each copy Kind.

The video request can be transmitted to CDN control after receiving video request by receiving unit 74 by VOG 70 Node.It should be understood that the CDN fringe node being connected with VOG 70 can incite somebody to action since CDN control node is not necessarily connected with VOG 70 Video request is finally transmitted to CDN control node by CDN system.It, can basis after CDN control node receives video request The URL carried in video request determines the copy parameter of the multiple copies for the target video that the URL is directed toward.Specifically, due to mesh Each copy of mark video is stored on multiple and different corresponding servers of CDN service node, and CDN control node can summarize VOG 70 is sent to after the copy parameter of multiple copies.Wherein the copy parameter of different copies can entirely different or part Difference, such as identical two copies of resolution ratio, frame per second, code rate, code/decode type can store in different addresses, or The same storage address of person is stored with the different copy, etc. of multiple resolution ratio, frame per second, code rate, encoding and decoding.It should also be understood that Multiple copy parameters that CDN control node summarizes can be the copy parameter of all copies of target video, or part The copy parameter of copy, the present invention do not limit this.

Optionally, as one embodiment, determination unit 72 is specifically used for: according to the copy parameter of each copy determine with The matched target copy of target video parameter；Determine the storage address of target copy.

After receiving the copy parameter of multiple copies of CDN control node transmission, the determination unit 72 of VOG 70 can be with It is determined in the copy parameter of above-mentioned multiple copies corresponding with the matched copy parameter of target video parameter that VOG 70 is determined Copy, and determine that the copy is target copy.Specifically, VOG70 can determine in the copy parameter of multiple copies first whether Have with the identical copy parameter of target video parameter, if so, then directly determining the identical copy parameter corresponds to copy For target copy；If not provided, can choose the copy parameter being closer to target video parameter.Determining target copy Afterwards, correspondingly its storage address can be directly determined according to the copy parameter of the target copy.

Optionally, as one embodiment, VOG 70 includes transmission unit 73 and receiving unit 74, and transmission unit 73 is used In: the request message for carrying URL and target video parameter is sent to CDN control node, is indicated in order to CDN node in URL The determining and matched target copy of target video parameter in multiple copies of target video, and with determining the storage of target copy Location；Receiving unit 74 is used to receive the storage address of the target copy of CDN control node transmission.

Specifically, after VOG 70 determines the target video parameter for UE according to the judgement information of acquisition, VOG 70 URL and target video parameter can be sent to CDN control node by transmission unit 73, be regarded by CDN control node in target The determining and matched copy parameter of target video parameter in the copy parameter of multiple copies of frequency, similarly, CDN control node can With whether have in the copy parameter of the multiple copies of determination with the identical copy parameter of target video parameter, if so, then will Storage address in the copy parameter is sent to VOG 70；It is closer to if not provided, can choose with target video parameter Copy parameter, and storage address is sent to VOG 70.

Optionally, as one embodiment, acquiring unit 71 is specifically used for: the CDN node being directed toward from storage address is corresponding Server read target copy；Transmission unit 73 is also used to: sending target copy to UE.VOG 70 is determining target copy Storage address or after the storage address that CDN control node receives target copy, can be according to the storage address from corresponding The corresponding server of CDN service node obtain target copy.

Optionally, as one embodiment, the VOG 70 also packet statistic unit, statistic unit are used for: according to receiving Video request, count the video temperature information of target video；Video temperature is sent to CDN control node by transmission unit 73 Information in order to which CDN control node summarizes the video temperature information for multiple videos that VOG is reported, and determines at least one hot spot Video；Acquiring unit 71 is also used to obtain at least one hot video from CDN control node, and caches at least one hot spot view Frequently.

It should be understood that VOG 70 can determine that video temperature is believed according to the number received for the video request of target video Breath, CDN control node can summarize the video temperature information of multiple videos, therefrom determine at least one highest view of video temperature Frequently, such as determine that the top ranked N number of video of video request number is hot video.At least one determining hot video is delayed It deposits to VOG 70, directly to provide video when receiving the subsequent request for hot video with VOG 70 for user.

Fig. 8 is the schematic block diagram of the content distributing network control node of one embodiment of the invention.The CDN of Fig. 8 controls section Point 80 includes receiving unit 81 and transmission unit 82.

Receiving unit 81 receives the request message for target video that video optimized gateway VOG is sent；Transmission unit 82 The copy information of target video is sent, to VOG according to request message in order to which VOG is according to the mesh of copy information acquisition target video Mark copy.

VOG receive user equipment (UE) transmission for target video video request when, VOG can disappear the request Breath is forwarded to CDN control node 80, or is sent to CDN control node 80 after treatment.Specifically, which carries The URL for the target video for having UE to request, the request message can also further carry the target video for the UE that VOG is determined Parameter.

Optionally, as one embodiment, the request message for target video includes that the unified resource of target video is fixed Position symbol URL, CDN control node 80 further includes determination unit 83, and determination unit 83 is specifically used for: determining target video according to URL Multiple copies in each copy copy parameter, wherein the copy parameter of each copy includes the resolution ratio of each copy, frame At least one of rate, code rate, code/decode type and storage address；It is sent in multiple copies often by transmission unit 82 to VOG The copy parameter of a copy, in order to which VOG is according to the determination of the copy parameter of each copy and the matched target of target video parameter The storage address of copy, and the corresponding server of CDN node being directed toward from storage address reads target copy, and wherein target regards Frequency parameter is by VOG according to user signing contract information, terminal ability information and the current network of the user equipment (UE) for initiating video request At least one of status information determines, target video parameter include resolution ratio, frame per second, code rate, in code/decode type at least It is a kind of.

The request message can be transmitted to CDN control node 80 after the video request for receiving UE transmission by VOG.It answers Understand, since CDN control node 80 is not necessarily connected with VOG, the CDN fringe node being connected with VOG can lead to video request It crosses CDN system and is finally transmitted to CDN control node 80.After CDN control node 80 receives video request by receiving unit 81, The copy parameter of the multiple copies for the target video that the URL is directed toward can be determined according to the URL carried in video request.Specifically Ground is stored on multiple and different corresponding servers of CDN service node due to each copy of target video, CDN control section Point 80, which can summarize, is sent to VOG by transmission unit 82 after the copy parameters of multiple copies.The wherein copy ginseng of different copies Number can be entirely different or partially different, such as identical two pairs of resolution ratio, frame per second, code rate, code/decode type Originally it can store and be stored with multiple resolution ratio, frame per second, code rate, encoding and decoding respectively not in different addresses or same storage address Identical copy, etc..It should also be understood that multiple copy parameters that CDN control node 80 summarizes can be all of target video The copy parameter of copy, or the copy parameter of part copy, the present invention do not limit this.

Before or after CDN control node 80 sends the copy information of target video to VOG, VOG can be according to sentencing Determine information and determine the target video parameter for being directed to UE, determine that information is obtained by VOG, including user signing contract information, terminal capability letter At least one of breath and network state information, wherein user signing contract information and terminal ability information can be by video requests The mark of the UE of carrying obtains, and the mark of UE can be IMSI, MSIN and IMEI etc..Specifically, VOG can be according to the mark of UE Knowledge obtained from the server for be stored with user information, user signing contract information may include User Priority (such as VIP user, Ordinary user etc.), acceptable QoS, the code rate for allowing to provide, code/decode type etc..Terminal ability information can pass through UE Acquisition is reported, can also be obtained by the mark of UE, terminal ability information can indicate that the maximum of the video that UE is supported is differentiated Rate, frame per second, code/decode type and video file type etc..Network state information can report acquisition by wireless side, or Core net obtains, to indicate network current unimpeded, Congestion Level SPCC or loading condition etc..

After receiving the copy parameter of multiple copies of the transmission of CDN control node 80, VOG can be in above-mentioned multiple copies Copy parameter in the corresponding copy of the determining matched copy parameter of target video parameter that is determined with VOG, and the determination copy For target copy.Specifically, VOG can determine first whether have in the copy parameters of multiple copies it is complete with target video parameter Identical copy parameter, if so, then directly determining the identical copy parameter to correspond to copy is target copy；If not provided, It can choose the copy parameter being closer to target video parameter.It, correspondingly can be according to the mesh after determining target copy The copy parameter of mark copy directly determines its storage address.

Optionally, as one embodiment, CDN control node 80 further includes determination unit 83, and determination unit 83 is used for: The determining and matched target copy of target video parameter in multiple copies of the target video of URL instruction, and determine target copy Storage address；The storage address of target copy is sent, to VOG by transmission unit 82 in order to which VOG is directed toward from storage address The corresponding server of CDN node read target copy.

After target video parameter determines, VOG can will be directed to the URL of target video and for the target video parameter of UE It is sent to CDN control node 80.By CDN control node 80 in the copy parameter of multiple copies of target video determining and target The matched copy parameter of video parameter, similarly, CDN control node can determine in the copy parameter of multiple copies whether have with The identical copy parameter of target video parameter, if so, the storage address in the copy parameter is then sent to VOG；Such as Fruit does not have, and can choose the copy parameter being closer to target video parameter, and storage address is sent to VOG, in order to VOG obtains target copy from the corresponding server of corresponding CDN service node according to the storage address.

Fig. 9 is the schematic block diagram of the video optimized gateway of another embodiment of the present invention.The video optimized gateway 90 of Fig. 9 includes Processor 91 and memory 92.Processor 91 is connected with memory 92 by bus system 93.

Memory 92 is for storing so that processor 91 executes the instruction operated below: sending receiving user equipment (UE) For target video video request when, obtain the judgement information of UE, where it is determined that information include UE user signing contract information, At least one of terminal ability information and current network state information；Determine that the target video for UE is joined according to judgement information Number, wherein target video parameter includes at least one of resolution ratio, frame per second, code rate, code/decode type；Joined according to target video Storage address of the number from the target copy in multiple copies that content distributing network CDN control node obtains target video；According to Storage address obtains target copy.

In addition, video optimized gateway 90 can also include transmit circuit 94, reception circuit 95 etc..Processor 91 controls video Optimize the operation of gateway 90, processor 91 can also be known as CPU (Central Processing Unit, central processing unit). Memory 92 may include read-only memory and random access memory, and provide instruction and data to processor 91.Memory 92 a part of can also include nonvolatile RAM (NVRAM).The various components of video optimized gateway 90 are logical It crosses bus system 93 to be coupled, wherein bus system 93 can also include power bus, control in addition to including data/address bus Bus and status signal bus in addition processed etc..But for the sake of clear explanation, various buses are all designated as bus system 93 in figure.

The method that the embodiments of the present invention disclose can be applied in processor 91, or be realized by processor 91.Place Managing device 91 may be a kind of IC chip, the processing capacity with signal.During realization, each step of the above method It can be completed by the integrated logic circuit of the hardware in processor 91 or the instruction of software form.Above-mentioned processor 91 can To be general processor, digital signal processor (DSP), specific integrated circuit (ASIC), ready-made programmable gate array (FPGA) Either other programmable logic device, discrete gate or transistor logic, discrete hardware components.It may be implemented or execute Disclosed each method, step and logic diagram in the embodiment of the present invention.General processor can be microprocessor or this at Reason device is also possible to any conventional processor etc..The step of method in conjunction with disclosed in the embodiment of the present invention, can directly embody Execute completion for hardware decoding processor, or in decoding processor hardware and software module combination execute completion.Software Module can be located at random access memory, flash memory, read-only memory, programmable read only memory or electrically erasable programmable storage In the storage medium of this fields such as device, register maturation.The storage medium is located at memory 92, and processor 91 reads memory 92 In information, in conjunction with its hardware complete the above method the step of.

Optionally, as one embodiment, video request includes the mark of UE, and processor 91 determines UE according to the mark of UE User signing contract information and terminal ability information, and determine current network state information.

Optionally, as one embodiment, video request includes the uniform resource position mark URL of target video, in VOG root According to target video parameter depositing from the target copy in multiple copies that content distributing network CDN control node obtains target video Before storing up address, processor 91 sends URL to CDN control node by transmit circuit 94；CDN control is received by receiving circuit 95 Node processed is according to the copy parameter of each copy in multiple copies of the URL target video sent, wherein the copy of each copy Parameter includes at least one of resolution ratio, frame per second, code rate, code/decode type and storage address of each copy.

Optionally, as one embodiment, VOG is obtained according to target video parameter from content distributing network CDN control node Take the storage address of the target copy in multiple copies of target video, comprising: processor 91 is joined according to the copy of each copy Number determination and the matched target copy of target video parameter；Determine the storage address of target copy.

Optionally, as one embodiment, VOG is obtained according to target video parameter from content distributing network CDN control node Take the storage address of the target copy in multiple copies of target video, comprising: send out to CDN control node by transmit circuit 94 The request message for carrying URL and target video parameter is sent, in order to which CDN node is in multiple copies of the URL target video indicated Middle determination and the matched target copy of target video parameter, and determine the storage address of target copy；It is connect by receiving circuit 95 Receive the storage address for the target copy that CDN control node is sent.

Optionally, as one embodiment, VOG obtains target copy according to storage address, and processor 91 is by receiving electricity The corresponding server of the CDN node that road 95 is directed toward from storage address reads target copy；VOG obtains target pair according to storage address After this, further includes: send target copy to UE by transmit circuit 94.

Optionally, as one embodiment, processor 91 counts the video of target video according to the video request received Temperature information；Video temperature information is sent to CDN control node by transmit circuit 94, in order to which CDN control node summarizes VOG The video temperature information of the multiple videos reported, and determine at least one hot video；Section is controlled from CDN by receiving circuit 95 Point obtains at least one hot video, and caches at least one hot video.

Figure 10 is the schematic block diagram of the content distributing network control node of another embodiment of the present invention.The content distribution of Fig. 5 Network control node 100 includes processor 101 and memory 102.Processor 101 and memory 102 pass through 103 phase of bus system Even.

Memory 102 is for storing so that processor 101 executes the instruction operated below: receiving video optimized gateway VOG The request message for target video sent；The copy information of target video is sent to VOG according to request message, in order to VOG obtains the target copy of target video according to copy information.

In addition, CDN control node 100 can also include transmit circuit 104, receive circuit 105 and antenna 106 etc..Processing Device 101 control CDN control node 100 operation, processor 101 can also be known as CPU (Central Processing Unit, Central processing unit).Memory 102 may include read-only memory and random access memory, and refer to the offer of processor 101 Order and data.The a part of of memory 102 can also include nonvolatile RAM (NVRAM).CDN control node 100 various components are coupled by bus system 103, and wherein bus system 103 may be used also in addition to including data/address bus To include power bus, control bus and status signal bus in addition etc..But for the sake of clear explanation, by various buses in figure All it is designated as bus system 103.

The method that the embodiments of the present invention disclose can be applied in processor 101, or be realized by processor 101. Processor 101 may be a kind of IC chip, the processing capacity with signal.During realization, the above method it is each Step can be completed by the integrated logic circuit of the hardware in processor 101 or the instruction of software form.Above-mentioned processing Device 101 can be general processor, digital signal processor (DSP), specific integrated circuit (ASIC), ready-made programmable gate array (FPGA) either other programmable logic device, discrete gate or transistor logic, discrete hardware components.May be implemented or Person executes disclosed each method, step and the logic diagram in the embodiment of the present invention.General processor can be microprocessor or Person's processor is also possible to any conventional processor etc..The step of method in conjunction with disclosed in the embodiment of the present invention, can be straight Connect and be presented as that hardware decoding processor executes completion, or in decoding processor hardware and software module combination executed At.Software module can be located at random access memory, and flash memory, read-only memory, programmable read only memory or electrically-erasable can In the storage medium of this fields such as programmable memory, register maturation.The storage medium is located at memory 102, and processor 101 is read Information in access to memory 102, in conjunction with the step of its hardware completion above method.

Optionally, as one embodiment, the request message for target video includes that the unified resource of target video is fixed Position symbol URL, CDN control node 100 send the copy information of target video according to request message to VOG, comprising: processor 101 The copy parameter of each copy in multiple copies of target video is determined according to URL, wherein the copy parameter of each copy includes At least one of resolution ratio, frame per second, code rate, code/decode type and storage address of each copy；By transmit circuit 104 to VOG sends the copy parameter of each copy in multiple copies, in order to which VOG is according to the copy parameter determination of each copy and target The storage address of the matched target copy of video parameter, and the corresponding server of CDN node being directed toward from storage address is read Target copy, wherein target video parameter is by VOG according to the user signing contract information of user equipment (UE), the terminal for initiating video request At least one of ability information and current network state information determine, target video parameter include resolution ratio, frame per second, code rate, At least one of code/decode type.

Optionally, as one embodiment, CDN control node 100 sends the pair of target video according to request message to VOG This information, processor 101 are used for: determination is matched with target video parameter in multiple copies of the target video of URL instruction Target copy, and determine the storage address of target copy；The storage address of target copy is sent to VOG by transmit circuit 94, In order to which the VOG corresponding server of CDN node being directed toward from storage address reads target copy.

It should be understood that the terms "and/or", only a kind of incidence relation for describing affiliated partner, expression can deposit In three kinds of relationships, for example, A and/or B, can indicate: individualism A exists simultaneously A and B, these three situations of individualism B. In addition, character "/" herein, typicallys represent the relationship that forward-backward correlation object is a kind of "or".

It should be understood that in various embodiments of the present invention, magnitude of the sequence numbers of the above procedures are not meant to execute suitable Sequence it is successive, the execution of each process sequence should be determined by its function and internal logic, the implementation without coping with the embodiment of the present invention Process constitutes any restriction.

Those of ordinary skill in the art may be aware that list described in conjunction with the examples disclosed in the embodiments of the present disclosure Member and algorithm steps can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually It is implemented in hardware or software, the specific application and design constraint depending on technical solution.Professional technician Each specific application can be used different methods to achieve the described function, but this realization is it is not considered that exceed The scope of the present invention.

It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description, The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.

In several embodiments provided herein, it should be understood that disclosed systems, devices and methods, it can be with It realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the unit It divides, only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units or components It can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, it is shown or The mutual coupling, direct-coupling or communication connection discussed can be through some interfaces, the indirect coupling of device or unit It closes or communicates to connect, can be electrical property, mechanical or other forms.

The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme 's.

It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit It is that each unit physically exists alone, can also be integrated in one unit with two or more units.

It, can be with if the function is realized in the form of SFU software functional unit and when sold or used as an independent product It is stored in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially in other words The part of the part that contributes to existing technology or the technical solution can be embodied in the form of software products, the meter Calculation machine software product is stored in a storage medium, including some instructions are used so that a computer equipment (can be a People's computer, server or network equipment etc.) it performs all or part of the steps of the method described in the various embodiments of the present invention. And storage medium above-mentioned includes: that USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), arbitrary access are deposited The various media that can store program code such as reservoir (RAM, Random Access Memory), magnetic or disk.

The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.

Claims

1. a kind of method of video distribution characterized by comprising

Video optimized gateway VOG receive user equipment (UE) transmission for target video video request when, described in acquisition The judgement information of UE, wherein described determine that information includes the user signing contract information, terminal ability information and current network of the UE At least one of status information；

The VOG determines the target video parameter for being directed to the UE according to the judgement information, wherein the target video parameter Including at least one of resolution ratio, frame per second, code rate, code/decode type；

The VOG obtains the more of the target video from content distributing network CDN control node according to the target video parameter In a copy with the storage address of the matched target copy of the target video parameter, wherein the multiple copy is to deposit in advance Storage, the copy parameter of the multiple copy is not exactly the same；

The VOG obtains the target copy according to the storage address.

2. described to obtain the method according to claim 1, wherein the video request includes the mark of the UE The judgement information for taking the UE includes: the user signing contract information and terminal capability letter that the UE is determined according to the mark of the UE Breath, and determine current network state information.

3. the method according to claim 1, wherein the video request includes the unified money of the target video Source finger URL URL obtains the mesh from content distributing network CDN control node according to the target video parameter in the VOG Before the storage address for marking the target copy in multiple copies of video, the method also includes:

The URL is sent to the CDN control node；

The CDN control node is received according to the pair of each copy in multiple copies of the URL target video sent This parameter, wherein the copy parameter of each copy includes resolution ratio, frame per second, code rate, the encoding and decoding class of each copy At least one of type and storage address.

4. according to the method described in claim 3, it is characterized in that, the VOG divides according to the target video parameter from content Hairnet network CDN control node obtains the storage address of the target copy in multiple copies of the target video, comprising:

According to the determination of the copy parameter of each copy and the matched target copy of the target video parameter；

Determine the storage address of the target copy.

5. the method according to claim 1, wherein the VOG divides according to the target video parameter from content Hairnet network CDN control node obtains the storage address of the target copy in multiple copies of the target video, comprising:

The request message for carrying URL and the target video parameter is sent, to the CDN control node in order to CDN section Point determining and matched target pair of the target video parameter in multiple copies of the URL target video indicated This, and determine the storage address of the target copy；

Receive the storage address for the target copy that the CDN control node is sent.

6. method according to claim 4 or 5, which is characterized in that the VOG obtains the mesh according to the storage address Mark copy, comprising: the corresponding server of the CDN node being directed toward from the storage address reads the target copy；

The VOG is obtained according to the storage address after the target copy, further includes: Xiang Suoshu UE sends the target pair This.

7. the method according to claim 1, wherein the method also includes:

According to the video request received, the video temperature information of the target video is counted；

The video temperature information is sent to the CDN control node, in order to which the CDN control node summarizes what VOG was reported The video temperature information of multiple videos, and determine at least one hot video；

At least one described hot video is obtained from the CDN control node, and caches at least one described hot video.

8. a kind of method of video distribution characterized by comprising

Content distributing network CDN control node receives the request message for target video that video optimized gateway VOG is sent；

The CDN control node sends the copy information of the target video according to the request message to the VOG, in order to The VOG obtains the target copy of the target video according to the copy information；

In the case where the request message for target video includes the uniform resource position mark URL of the target video, The CDN control node sends the copy information of the target video according to the request message to the VOG, comprising:

The copy parameter of each copy in multiple copies of the target video is determined according to the URL, wherein each pair This copy parameter includes at least one in resolution ratio, frame per second, code rate, code/decode type and the storage address of each copy Kind；

The copy parameter of each copy in the multiple copy is sent, to the VOG in order to which the VOG is according to each pair The determining storage address with the matched target copy of target video parameter of this copy parameter, and be directed toward from the storage address The corresponding server of CDN node read the target copy, wherein the target video parameter is by the VOG according to initiating to regard At least one of user signing contract information, terminal ability information and current network state information of user equipment (UE) of frequency request are really Fixed, the target video parameter includes at least one of resolution ratio, frame per second, code rate, code/decode type.

9. according to the method described in claim 8, it is characterized in that, including described in the request message for target video The target for the user equipment (UE) for initiating video request that the uniform resource position mark URL of target video and the VOG are determined In the case where video parameter, the target video parameter is believed by the VOG according to user signing contract information, the terminal capability of the UE At least one of breath and current network state information determine that the target video parameter includes resolution ratio, frame per second, code rate, volume At least one of coding type；

The CDN control node sends the copy information of the target video according to the request message to the VOG, comprising:

The determining and matched target pair of the target video parameter in multiple copies of the target video of URL instruction This, and determine the storage address of the target copy；

The storage address of the target copy, the CDN being directed toward in order to the VOG from the storage address are sent to the VOG The corresponding server of node reads the target copy.

10. a kind of video optimized gateway characterized by comprising

Acquiring unit, for receiving the view for target video of user equipment (UE) transmission in the video optimized gateway VOG When frequency is requested, the judgement information of the UE is obtained, wherein the judgement information includes the user signing contract information of the UE, terminal energy At least one of force information and current network state information；

Determination unit, for determining the target video parameter for being directed to the UE according to the judgement information, wherein the target regards Frequency parameter includes at least one of resolution ratio, frame per second, code rate, code/decode type；

The acquiring unit is also used to obtain the mesh from content distributing network CDN control node according to the target video parameter Mark the storage address in multiple copies of video with the matched target copy of the target video parameter, wherein the multiple pair Originally be it is pre-stored, the copy parameter of the multiple copy is not exactly the same；

The acquiring unit is also used to obtain the target copy according to the storage address.

11. video optimized gateway according to claim 10, which is characterized in that the video request includes the mark of the UE Know, the acquiring unit is specifically used for: determining that the user signing contract information of the UE and terminal capability are believed according to the mark of the UE Breath, and determine current network state information.

12. video optimized gateway according to claim 10, which is characterized in that the video request includes the target view The uniform resource position mark URL of frequency, the VOG further include transmission unit and receiving unit, and the transmission unit is used for:

The URL is sent to the CDN control node；

The receiving unit is for receiving the CDN control node according to multiple pairs of the URL target video sent The copy parameter of each copy in this, wherein the copy parameter of each copy includes the resolution ratio of each copy, frame At least one of rate, code rate, code/decode type and storage address.

13. video optimized gateway according to claim 12, which is characterized in that the determination unit is specifically used for:

Determine the storage address of the target copy.

14. video optimized gateway according to claim 10, which is characterized in that the VOG further includes transmission unit and connects Unit is received, the transmission unit is used for:

The receiving unit is used for: receiving the storage address for the target copy that the CDN control node is sent.

15. video optimized gateway described in 3 or 14 according to claim 1, which is characterized in that the acquiring unit is specifically used for: The corresponding server of the CDN node being directed toward from the storage address reads the target copy；

The transmission unit is also used to: Xiang Suoshu UE sends the target copy.

16. video optimized gateway according to claim 10, which is characterized in that the VOG further includes statistic unit and hair Unit is sent, the statistic unit is used for:

The video temperature information is sent to the CDN control node by the transmission unit, is saved in order to which the CDN is controlled Point summarizes the video temperature information for multiple videos that VOG is reported, and determines at least one hot video；

The acquiring unit is also used to: obtaining at least one described hot video from the CDN control node, and caching is described extremely A few hot video.

17. a kind of content distributing network control node characterized by comprising

Receiving unit, the request message for target video sent for receiving video optimized gateway VOG；

Transmission unit, for sending the copy information of the target video to the VOG according to the request message, in order to institute It states VOG and the target copy of the target video is obtained in the request message packet for target video according to the copy information In the case where the uniform resource position mark URL for including the target video, the content distributing network control node further includes determining Unit, the determination unit are specifically used for determining the pair of each copy in multiple copies of the target video according to the URL This parameter, wherein the copy parameter of each copy includes resolution ratio, frame per second, code rate, the encoding and decoding class of each copy At least one of type and storage address；

The transmission unit is used to send the copy parameter of each copy in the multiple copy to the VOG, in order to described VOG determines the storage address with the matched target copy of target video parameter according to the copy parameter of each copy, and The corresponding server of the CDN node being directed toward from the storage address reads the target copy, wherein the target video parameter By the VOG according to user signing contract information, terminal ability information and the current network shape of the user equipment (UE) for initiating video request At least one of state information determines, the target video parameter include resolution ratio, frame per second, code rate, in code/decode type extremely Few one kind.

18. content distributing network control node according to claim 17, which is characterized in that be directed to target video described Request message include the target video uniform resource position mark URL and the VOG determine for initiate video request User equipment (UE) target video parameter in the case where, the target video parameter is by the VOG according to the user of the UE At least one of signing information, terminal ability information and current network state information determine that the target video parameter includes At least one of resolution ratio, frame per second, code rate, code/decode type；

The content distributing network control node further includes determination unit, and the determination unit is used for:

The transmission unit is used to send the storage address of the target copy to the VOG, in order to which the VOG is deposited from described It stores up the corresponding server of CDN node that address is directed toward and reads the target copy.

19. a kind of video distribution system characterized by comprising

Content described in video optimized gateway VOG and claim 17 or 18 described in any one of claim 10-16 point Hairnet network CDN control node,

The VOG be used for receive user equipment (UE) transmission for target video video request when, obtain the UE's Information is determined, wherein described determine that information includes the user signing contract information, terminal ability information and current network state of the UE At least one of information；The target video parameter for being directed to the UE is determined according to the judgement information, wherein the target regards Frequency parameter includes at least one of resolution ratio, frame per second, code rate, code/decode type；According to the target video parameter from described CDN control node obtains the storage in multiple copies of the target video with the matched target copy of the target video parameter Address；Obtain the target copy according to the storage address, wherein the multiple copy be it is pre-stored, it is the multiple The copy parameter of copy is not exactly the same；

The content distributing network CDN control node is used to receive the request for the target video that the VOG is sent and disappears Breath；The copy information of the target video is sent, to the VOG according to the request message in order to which the VOG is according to Copy information obtains the target copy of the target video.