CN102694831B - Mobile terminal streaming compensation data method and system, content distributing network - Google Patents
Mobile terminal streaming compensation data method and system, content distributing network Download PDFInfo
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Abstract
The embodiment of the invention discloses a kind of mobile terminal streaming compensation data method and system, content distributing network, wherein, method comprises: PC sends first node to node scheduling server and obtains request message, the first acquisition response message that receiving node dispatch server returns, judges whether the content-data of P2P node stored stream media program low bit-rate; If have, store from the content-data of P2P node download stream media program low bit-rate; Otherwise, store from the content-data of content server download stream media program low bit-rate; Requesting node dispatch server increases by first and shares list item, so that subsequent movement terminal is from the content-data of download stream media program low bit-rate PC in program shared state table.The P2P that the embodiment of the present invention can realize the content-data of flow-medium performance between mobile terminal and PC shares, and effectively utilizes the shared of P2P to save Internet resources, reduces bandwidth pressure, reduces system and disposes and operation cost.
Description
Technical field
The present invention relates to the communication technology, especially a kind of mobile terminal streaming compensation data method and system, content distributing network (Content Distribution Network, hereinafter referred to as: CDN).
Background technology
Streaming Media refers to the media formats adopting the mode of stream transmission to play at the Internet (Internet) or Intranet (Intranet), such as: audio frequency, video or multimedia file.Streaming Media does not download whole file before broadcasting, only by beginning content stored in internal memory, in a computer buffer memory is carried out to packet and media data is correctly exported.The data flow of Streaming Media transmits at any time to be play at any time, and just when starting, some postpones.Obviously, the key technology that Streaming Media realizes is transmitted as a stream exactly, the multimedia files such as whole Voice & Video and three-dimensional media are resolved to compressed package one by one through specific compress mode by stream transmission mainly finger, by video server to subscriber computer order or transmit in real time.In the system adopting streaming manner, user need not wait until that whole file is all downloaded complete as employing downloading mode, but only decompression apparatus can need be utilized on the computer of user to the audio/video (Audio/Video of compression through the start-up study of seconds or tens of seconds, hereinafter referred to as: A/V), 3-D graphic (three-dimensional, hereinafter referred to as: 3D) etc. carry out playing and watching after multimedia file decompress(ion), now the remainder of multimedia file will continue to download in the server on backstage.Therefore, subscriber computer can play media data without the need to downloading complete video.Compared with simple downloading mode, this streaming manner to the broadcasting of download limit, media data limit not only makes start-up study shorten significantly, and also greatly reduces the demand of system cache capacity, greatly reduces the stand-by period of user.
In moving communicating field, mobile terminal streaming is different from popular Streaming Media, due to the different properties of mobile terminal, and by the restriction of mobile communications network stability, mobile terminal and personal computer (personal computer, hereinafter referred to as: PC) all make a big difference on video processing capabilities and fulfillment capability.Therefore, in order to make the viewing flow-medium performance that mobile phone users can be smooth, streaming media is just needed to compress accordingly.In order to adapt to different mobile terminals, the content-data of same flow media program can be compressed into the video flowing of various code rate by content server, such as: the content-data being compressed into the high code check being adapted at PC plays for common PC, is compressed into the content-data of the low bit-rate of applicable mobile terminal playing for mobile terminal.
Realizing in process of the present invention, inventor finds, current Streaming Media has achieved sharing of point-to-point download (peer-to-peer, hereinafter referred to as P2P) on PC.Can only, based on the content-data of Unified coding form and same bit rate stream media program, cause the content-data of flow-medium performance between PC and PC, and between mobile terminal and mobile terminal, P2P can only be realized and share because P2P shares.Because mobile terminal streaming is also in common client end/server end (Client/Server, hereinafter referred to as: C/S) in frame structure, just cannot effectively utilize sharing of P2P, the content-data of the flow-medium performance of mobile terminal all derives from content server, very large bandwidth pressure is caused to content server, greatly waste limited wireless network resource, and system is disposed with operation cost higher.
Summary of the invention
Embodiment of the present invention technical problem to be solved is: provide a kind of mobile terminal streaming compensation data method and system, content distributing network, share with the P2P realizing the content-data of flow-medium performance between mobile terminal and PC, the shared of P2P is effectively utilized to save Internet resources, reduce bandwidth pressure, reduce system and dispose and operation cost.
For solving the problems of the technologies described above, a kind of mobile terminal streaming compensation data method that the embodiment of the present invention provides, comprising:
Personal computer PC sends first node to node scheduling server and obtains request message, described first node acquisition request message comprises pc user's information and flow-medium performance identifies ID, for having the point-to-point download P2P nodal information of the content-data of the flow-medium performance low bit-rate that described flow-medium performance ID identifies in acquisition request content distributing network CDN;
Described PC receives the first acquisition response message that described node scheduling server returns for described first node acquisition request message, and obtain in response message whether comprise P2P nodal information according to described first, judge in described CDN, whether have P2P node to store the content-data of described flow-medium performance low bit-rate;
If described first obtains response message comprise P2P nodal information, described PC, according to described P2P nodal information, downloads the content-data of described flow-medium performance low bit-rate from described P2P node and stores; If described first obtains response message do not comprise P2P nodal information, described PC downloads the content-data of described flow-medium performance low bit-rate from the content server described CDN and stores;
Described PC reports first-class media program to share message to described node scheduling server, and described first-class media program is shared message and comprised described pc user's information, described flow-medium performance ID and low bit-rate and identify;
Described node scheduling server increases by first and shares list item in program shared state table, described first share list item comprise pc user's information, described flow-medium performance ID and low bit-rate identify between correspondence relationship information so that subsequent movement terminal is from the content-data of the described flow-medium performance low bit-rate of described PC download.
The one that the embodiment of the present invention provides moves terminal stream medium data bucking-out system, comprises PC and node scheduling server;
Described PC, request message is obtained for sending first node to node scheduling server, described first node obtains request message and comprises pc user's information and flow-medium performance ID, for having the P2P nodal information of the content-data of the flow-medium performance low bit-rate that described flow-medium performance ID identifies in acquisition request CDN; Receive the first acquisition response message that described node scheduling server returns for described first node acquisition request message, and obtain in response message whether comprise P2P nodal information according to described first, judge in described CDN, whether have P2P node to store the content-data of described flow-medium performance low bit-rate; If described first obtains response message comprise P2P nodal information, according to described P2P nodal information, download the content-data of described flow-medium performance low bit-rate from described P2P node and store; If described first obtains response message do not comprise P2P nodal information, download the content-data of described flow-medium performance low bit-rate from the content server described CDN and store; Report first-class media program to share message to described node scheduling server, described first-class media program is shared message and is comprised described pc user's information, described flow-medium performance ID and low bit-rate and identify;
Described node scheduling server, obtains request message for receiving described first node, whether there is the first sharing table comprising described flow-medium performance ID and low bit-rate and identify, and return the first acquisition response message to described PC in inquiry program shared state table; The first sharing table comprising described flow-medium performance ID and low bit-rate identify if exist, described first acquisition response message comprises described flow-medium performance ID and identifies corresponding P2P nodal information with low bit-rate; And receive described first-class media program and share message, in program shared state table, increase by first share list item, described first share list item comprise pc user's information, described flow-medium performance ID and low bit-rate identify between correspondence relationship information so that subsequent movement terminal is from the content-data of the described flow-medium performance low bit-rate of described PC download.
A kind of content distributing network that the embodiment of the present invention provides, comprises the content server of the content-data of stored stream media program height code check and low bit-rate, also comprises the mobile terminal streaming compensation data system of the above embodiment of the present invention.
Based on the mobile terminal streaming compensation data method and system that the above embodiment of the present invention provides, content distributing network, PC can obtain the content-data of flow-medium performance low bit-rate and store from CDN, and report first-class media program to share message to node scheduling server, node scheduling server shares message according to first-class media program increases by the first shared list item in program shared state table, this first shared list item comprises pc user's information, correspondence relationship information between flow-medium performance ID and low bit-rate identify, subsequent movement terminal edge can download the content-data of this flow-medium performance low bit-rate from this PC, thus the P2P realizing the content-data of flow-medium performance between mobile terminal and PC shares, compared with prior art, mobile terminal is without the need to downloading the content-data of this flow-medium performance low bit-rate again from CDN, the shared of P2P is effectively utilized to save Internet resources, alleviate the bandwidth pressure of CDN, the system reducing CDN is disposed and operation cost.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Description of the invention provides in order to example with for the purpose of describing, and is not exhaustively or limit the invention to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Selecting and describing embodiment is in order to principle of the present invention and practical application are better described, and enables those of ordinary skill in the art understand the present invention thus design the various embodiments with various amendment being suitable for special-purpose.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the flow chart of a mobile terminal streaming compensation data method of the present invention embodiment;
Fig. 2 is the flow chart of another embodiment of mobile terminal streaming compensation data method of the present invention;
Fig. 3 is the structural representation of a mobile terminal streaming compensation data system of the present invention embodiment;
Fig. 4 is the structural representation of a CDN of the present invention embodiment;
Fig. 5 is the structural representation of a CDN of the present invention Application Example.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Due to developing rapidly of current PC technology and Internet technology, the network bandwidth and the memory property of PC are greatly improved, do not limit by too many in these two aspects at present, but relative to PC, the network speed of mobile terminal is more limited with memory property.Embodiment of the present invention choice for use PC downloads and stores the content-data of the flow-medium performance low bit-rate being suitable for mobile terminal playing, makes PC not only as P2P client but also as P2P server, and the stream medium data realizing mobile terminal compensates.
Fig. 1 is the flow chart of a mobile terminal streaming compensation data method of the present invention embodiment.As shown in Figure 1, the method for this embodiment comprises following flow process:
Step 101, PC sends first node to node scheduling server and obtains request message, this first node obtains request message and comprises pc user's information, such as: the IP address etc. of pc user, and flow-medium performance mark (identification, hereinafter referred to as: ID), this first node obtains request message and is used for acquisition request content distributing network (Content DistributionNetwork, hereinafter referred to as: the P2P nodal information having the content-data of the flow-medium performance low bit-rate that flow-medium performance ID identifies CDN), such as: P2P node ID, the title of P2P node, the information of unique identification P2P nodes such as P2P address of node, particularly, P2P node herein can be PC or mobile terminal.
Step 102, the first acquisition response message that PC receiving node dispatch server returns for first node acquisition request message, and obtain in response message whether comprise P2P nodal information according to first, judge the content-data whether having P2P node stored stream media program low bit-rate in CDN.If first obtains response message comprise P2P nodal information, perform step 103.Otherwise, if the first acquisition response message does not comprise P2P nodal information, perform step 104.
Step 103, PC obtains the P2P nodal information in response message according to first, store from the content-data of P2P node download stream media program low bit-rate.Then step 105 is performed.
Step 104, PC is from the content-data of the content server download stream media program low bit-rate CDN and store.
Step 105, PC reports first-class media program to share message to node scheduling server, this first-class media program is shared message and is comprised pc user's information, flow-medium performance ID and low bit-rate and identify, this low bit-rate mark is the content-data of low bit-rate for identifying the content-data of flow-medium performance, such as, can be designated 0 by arranging low bit-rate, the content-data identifying flow-medium performance is the content-data of low bit-rate.
Step 106, node scheduling server increases by first and shares list item in program shared state table, this first share list item comprise pc user's information, flow-medium performance ID and low bit-rate identify between correspondence relationship information so that subsequent movement terminal is from the content-data of download stream media program low bit-rate PC.
By this operation, described PC just as P2P node, can provide the content-data of flow-medium performance low bit-rate to mobile terminal.
The mobile terminal streaming compensation data method that the above embodiment of the present invention provides, PC can obtain the content-data of flow-medium performance low bit-rate and store from CDN, and report first-class media program to share message to node scheduling server, node scheduling server shares message according to first-class media program increases by the first shared list item in program shared state table, this first shared list item comprises pc user's information, correspondence relationship information between flow-medium performance ID and low bit-rate identify, subsequent movement terminal edge can download the content-data of this flow-medium performance low bit-rate from this PC, thus the P2P realizing the content-data of flow-medium performance between mobile terminal and PC shares, mobile terminal is without the need to downloading the content-data of this flow-medium performance low bit-rate again from CDN, the shared of P2P is effectively utilized to save Internet resources, alleviate the bandwidth pressure of CDN, the system reducing CDN is disposed and operation cost.
As a specific embodiment of the present invention, before the flow process of step 101 in the embodiment shown in fig. 1, PC can send Section Point to node scheduling server and obtain request message, from CDN, obtain the content-data of the flow-medium performance height code check that flow-medium performance ID identifies and decompress(ion), broadcasting.Specifically can be realized by following flow process: PC sends Section Point to node scheduling server and obtains request message, this Section Point obtains request message and comprises pc user's information, with flow-medium performance ID, this Section Point obtains the P2P nodal information that request message is used for having in acquisition request CDN the content-data of the flow-medium performance height code check that flow-medium performance ID identifies, particularly, P2P node herein can be PC; The second acquisition response message that PC receiving node dispatch server returns for Section Point acquisition request message, and obtain in response message whether comprise P2P nodal information according to second, judge the content-data whether having P2P node stored stream media program height code check in CDN; If second obtains response message and comprise P2P nodal information, PC obtains the P2P nodal information in response message according to second, from the content-data of P2P node download stream media program low bit-rate and decompress(ion), broadcasting; Otherwise, if second obtains response message and does not comprise P2P nodal information, PC from the content-data of the content server download stream media program low bit-rate CDN and decompress(ion), broadcasting.Afterwards, PC can report second media program to share message to node scheduling server, this second media program is shared message and is comprised pc user's information, flow-medium performance ID and high code check and identify, this high code check mark is for identifying the content-data that the content-data of flow-medium performance is high code check, such as, can be designated 1 by arranging low bit-rate, the content-data identifying flow-medium performance is the content-data of high code check; Node scheduling server increases by second and shares list item in program shared state table, this second share list item comprise pc user's information, flow-medium performance ID and high code check identify between correspondence relationship information so that other PC follow-up is from the content-data of download stream media program height code check PC.By this operation, described PC just as P2P node, can provide the content-data of flow-medium performance height code check to other PC.
By the above embodiment of the present invention, the PC as P2P node downloads all the elements data of flow-medium performance, comprised the content-data of high code check and the data content of low bit-rate.Like this in CDN, PC is P2P client and P2P server, not only as the server of other pc client, can also as the server of mobile terminal, simultaneously oneself is also constantly from the content-data of download stream media program CDN, material is thus formed the network configuration of a grid type, the stable smooth normal play of mobile terminal streaming media can not only be ensured, the data sharing between P2P node can also be improved, save the bandwidth of content server, lower the cost that system is disposed and runed.
Further, as another specific embodiment of the present invention, PC obtains the content-data of flow-medium performance low bit-rate and decompress(ion), broadcasting beginning through player from the P2P node in CDN or content server, the content-data of playing stream media program height code check smoothly can be stablized at player, that is: when there is not buffering in broadcasting, send first node to node scheduling server and obtain request message, thus start to perform flow process embodiment illustrated in fig. 1.
In addition, also can PC from while content server or P2P node download stream media program height code check content-data or before, download the content-data of the low bit-rate of unified lineup, or, also can in advance from the content-data fragment of content server or P2P node download stream media program low bit-rate, when the content-data stablizing downloading high code check from content server or P2P node is play smoothly, then continue the other parts of content-data of download stream media program low bit-rate.
Fig. 2 is the flow chart of another embodiment of mobile terminal streaming compensation data method of the present invention.In this embodiment, when obtaining the content-data of flow-medium performance low bit-rate with PC and the content-data of playing stream media program height code check smoothly can be stablized from the P2P node CDN or content server, starting to perform following flow process is that example is described, unrestricted for the situation performing the present embodiment flow process in other cases.As Fig. 2 shows, it comprises following flow process:
Step 201, PC sends first node to node scheduling server and obtains request message, this first node obtains request message and comprises pc user's information, with flow-medium performance ID, this first node obtains the P2P nodal information that request message is used for having in acquisition request CDN the content-data of the flow-medium performance low bit-rate that flow-medium performance ID identifies.
Whether step 202, have P2P node to store the content-data of the flow-medium performance low bit-rate that flow-medium performance ID identifies in first node acquisition request message, and return the first acquisition response message to PC in node scheduling server lookup CDN.If there is P2P node to store the content-data of the flow-medium performance low bit-rate of PC request, then obtain first the P2P nodal information also comprising the content-data storing this flow-medium performance low bit-rate in response message.
Step 203, the first acquisition response message that PC receiving node dispatch server returns for first node acquisition request message, and obtain in response message whether comprise P2P nodal information according to first, judge the content-data whether having P2P node stored stream media program low bit-rate in CDN.If first obtains response message comprise P2P nodal information, perform step 204.Otherwise, if the first acquisition response message does not comprise P2P nodal information, perform step 205.
Step 204, PC obtains the P2P nodal information in response message according to first, store from the content-data of P2P node download stream media program low bit-rate.Then step 206 is performed.
Step 205, PC is from the content-data of the content server download stream media program low bit-rate CDN and store.
In an embodiment of the present invention, the content-data of the flow-medium performance being suitable for different terminals can be disposed in advance on a content server, such as: be applicable to the content-data of the high code check of PC, be applicable to the content-data etc. of the low bit-rate of mobile terminal.
Step 206, PC reports first-class media program to share message to node scheduling server, this first-class media program is shared message and is comprised pc user's information, flow-medium performance ID and low bit-rate and identify, this low bit-rate mark is the content-data of low bit-rate for identifying the content-data of flow-medium performance, such as, can be designated 0 by arranging low bit-rate, the content-data identifying flow-medium performance is the content-data of low bit-rate.
Step 207, node scheduling server increase in program shared state table first share list item, this first share list item comprise pc user's information, flow-medium performance ID and low bit-rate identify between correspondence relationship information.
Step 208, mobile terminal sends the 3rd node to node scheduling server and obtains request message, 3rd node obtains request message and comprises mobile phone users ID and flow-medium performance ID, for having the P2P nodal information of the content-data of the flow-medium performance low bit-rate that flow-medium performance ID identifies in acquisition request CDN.
Step 209, the 3rd acquisition response message that mobile terminal receiving node dispatch server returns, and obtain in response message whether comprise P2P nodal information according to the 3rd, judge the content-data whether having P2P node stored stream media program low bit-rate in CDN, P2P node wherein comprises PC and mobile terminal.If the 3rd obtains response message comprise P2P nodal information, perform step 210.Otherwise, if the 3rd acquisition response message does not comprise P2P nodal information, perform step 211.
Step 210, mobile terminal obtains the P2P nodal information in response message according to the 3rd, carry out decompress(ion), broadcasting from the content-data of P2P node download stream media program low bit-rate.Then step 212 is performed.
Step 211, mobile terminal is from the content-data of the content server download stream media program low bit-rate CDN and carry out decompress(ion), broadcasting.
In CDN, content server and P2P node separate, only having just can to the corresponding content-data of content server request when mobile terminal obtains the content-data less than request on P2P node, and when having the content-data of mobile terminal request on P2P node, mobile terminal is without the need to downloading the content-data of this flow-medium performance low bit-rate again from CDN, the shared of P2P is effectively utilized to save Internet resources, alleviate the bandwidth pressure of CDN, the system reducing CDN is disposed and operation cost.
Step 212, mobile terminal reports the 3rd flow-medium performance to share message to described node scheduling server, and the 3rd flow-medium performance is shared message and comprised mobile phone users ID, flow-medium performance ID and low bit-rate and identify.
Step 213, node scheduling server increases the 3rd and shares list item in program shared state table, 3rd share list item comprise mobile phone users ID, flow-medium performance ID and low bit-rate identify between correspondence relationship information so that other mobile terminal follow-up is from the content-data of download stream media program low bit-rate this mobile terminal.
Particularly, as another specific embodiment of the present invention, when other mobile terminal follow-up is from the content-data of download stream media program low bit-rate this mobile terminal, can be realized by the flow process performing step 208 ~ step 211 or step 208 ~ step 213.
Along with the broadcasting of flow-medium performance constantly advances, mobile terminal can pass through the flow process of repeated execution of steps 208 ~ step 211 or step 208 ~ step 213, from the corresponding P2P node of node scheduling whois lookup, the content-data of request is obtained above corresponding P2P node, until flow-medium performance plays into, reach the compensation data of mobile terminal streaming.
In the various embodiments of the invention, the content-data of flow-medium performance can be compressed into into different data blocks in advance, be used as unit of transfer, with the form of serial number, each data block is numbered again, the mode of being numbered by data block is transmitted in stream media network, can reduce to data block according to each data block numbering after P2P client receives each data block, decompress(ion), broadcasting.
Fig. 3 is the structural representation of a mobile terminal streaming compensation data system of the present invention embodiment.The mobile terminal streaming compensation data system of this embodiment can be used in the present invention the flow process of above-mentioned each mobile terminal streaming compensation data embodiment of the method.As shown in Figure 3, it comprises PC301 and node scheduling server 302.
Wherein, PC301 is used for sending first node to node scheduling server 302 and obtains request message, this first node obtains request message and comprises pc user's information and flow-medium performance ID, for having the P2P nodal information of the content-data of the flow-medium performance low bit-rate that flow-medium performance ID identifies in acquisition request CDN; The first acquisition response message that receiving node dispatch server 302 returns for first node acquisition request message, and obtain in response message whether comprise P2P nodal information according to first, judge the content-data whether having P2P node stored stream media program low bit-rate in CDN; If first obtains response message and comprise P2P nodal information, according to P2P nodal information, store from the content-data of corresponding P2P node download stream media program low bit-rate; If first obtains response message and do not comprise P2P nodal information, store from the content-data of the content server download stream media program low bit-rate CDN; Report first-class media program to share message to node scheduling server 302, this first-class media program is shared message and is comprised pc user's information, flow-medium performance ID and low bit-rate and identify.
Node scheduling server 302 obtains request message for the first node receiving PC301 and send, and whether there is the first sharing table comprising flow-medium performance ID and low bit-rate and identify, and return the first acquisition response message to PC301 in inquiry program shared state table; The first sharing table comprising flow-medium performance ID and low bit-rate identify if exist, then comprise flow-medium performance ID at the first acquisition response message and identify corresponding P2P nodal information with low bit-rate; And the first-class media program that reception PC301 reports shares message, in program shared state table, increase by first share list item, this first share list item comprise pc user's information of PC301, flow-medium performance ID and low bit-rate identify between correspondence relationship information so that subsequent movement terminal is from the content-data of download stream media program low bit-rate this PC301.
In the mobile terminal streaming compensation data system that the above embodiment of the present invention provides, PC can obtain the content-data of flow-medium performance low bit-rate and store from CDN, and report first-class media program to share message to node scheduling server, node scheduling server shares message according to first-class media program increases by the first shared list item in program shared state table, this first shared list item comprises pc user's information, correspondence relationship information between flow-medium performance ID and low bit-rate identify, subsequent movement terminal edge can download the content-data of this flow-medium performance low bit-rate from this PC, thus the P2P realizing the content-data of flow-medium performance between mobile terminal and PC shares, mobile terminal is without the need to downloading the content-data of this flow-medium performance low bit-rate again from CDN, the shared of P2P is effectively utilized to save Internet resources, alleviate the bandwidth pressure of CDN, the system reducing CDN is disposed and operation cost.
In addition, as another embodiment of mobile terminal streaming compensation data system of the present invention, PC301 can also be used for before send first node acquisition request message to node scheduling server 302, send Section Point to node scheduling server 302 and obtain request message, the content-data of the flow-medium performance height code check that flow-medium performance ID identifies is obtained and decompress(ion) from CDN, play, and report second media program to share message to node scheduling server 302, this second media program shares pc user's information that message comprises PC301, flow-medium performance ID and high code check identify.Accordingly, the second media program that node scheduling server 302 also reports for receiving PC301 shares message, in program shared state table, increase by second share list item, this second share list item comprise pc user's information of PC301, flow-medium performance ID and high code check identify between correspondence relationship information so that other PC follow-up is from the content-data of download stream media program height code check this PC301.
Further, as another embodiment of mobile terminal streaming compensation data system of the present invention, PC301 specifically can pass through the content-data of player decompress(ion), playing stream media program height code check, the content-data of playing stream media program height code check smoothly can be stablized at player, that is:, when the content-data of playing stream media program height code check does not exist buffering, send first node to node scheduling server 302 and obtain request message.
Again see Fig. 3, as another embodiment of mobile terminal streaming compensation data system of the present invention, state in the mobile terminal streaming compensation data system of each embodiment on the invention, also comprise mobile terminal 303, request message is obtained for sending the 3rd node to node scheduling server 302,3rd node obtains request message and comprises mobile phone users ID and flow-medium performance ID, for having the P2P nodal information of the content-data of the flow-medium performance low bit-rate that flow-medium performance ID identifies in acquisition request CDN; The 3rd acquisition response message that receiving node dispatch server 302 returns, and obtain in response message whether comprise P2P nodal information according to the 3rd, judge the content-data whether having P2P node stored stream media program low bit-rate in CDN, this P2P node comprises PC301 and mobile terminal; If the 3rd obtains response message and comprise P2P nodal information, obtain the P2P nodal information in response message according to the 3rd, carry out decompress(ion), broadcasting from the content-data of corresponding P2P node download stream media program low bit-rate; If the 3rd obtains response message and do not comprise P2P nodal information, carry out decompress(ion), broadcasting from the content-data of the content server download stream media program low bit-rate CDN; And reporting the 3rd flow-medium performance to share message to node scheduling server 302, the 3rd flow-medium performance is shared message and is comprised mobile phone users ID, flow-medium performance ID and low bit-rate and identify.Accordingly, the 3rd flow-medium performance that node scheduling server 302 also reports for mobile terminal receive 303 shares message, in program shared state table, increase the 3rd share list item, 3rd share list item comprise mobile phone users ID, flow-medium performance ID and low bit-rate identify between correspondence relationship information so that other mobile terminal follow-up is from the content-data of download stream media program low bit-rate mobile terminal.
Fig. 4 is the structural representation of a CDN of the present invention embodiment.The CDN of this embodiment can be used in the present invention the corresponding function of CDN in above-mentioned each mobile terminal streaming compensation data method and system.As shown in Figure 4, it comprises content server 1 and mobile terminal streaming compensation data system 2.Wherein, content server 1 is for the content-data of stored stream media program height code check and low bit-rate, and mobile terminal streaming compensation data system 1 specifically can adopt the structure shown in Fig. 3 shown in any embodiment to realize.
In the CDN that the above embodiment of the present invention provides, PC can obtain the content-data of flow-medium performance low bit-rate and store from CDN, and report first-class media program to share message to node scheduling server, node scheduling server shares message according to first-class media program increases by the first shared list item in program shared state table, this first shared list item comprises pc user's information, correspondence relationship information between flow-medium performance ID and low bit-rate identify, subsequent movement terminal edge can download the content-data of this flow-medium performance low bit-rate from this PC, thus the P2P realizing the content-data of flow-medium performance between mobile terminal and PC shares, mobile terminal is without the need to downloading the content-data of this flow-medium performance low bit-rate again from CDN, the shared of P2P is effectively utilized to save Internet resources, alleviate the bandwidth pressure of CDN, the system reducing CDN is disposed and operation cost.
As shown in Figure 5, be the structural representation of the CDN Application Example based on mobile terminal streaming compensation data system formation of the present invention.See Fig. 5, each mobile terminal wherein and PC are P2P nodes.Wherein 1. represent that PC, mobile terminal mobile phone terminal are connected with node scheduling server and to the content-data of content server request flow-medium performance; 2. the content-data sharing flow-medium performance height code check between PC and PC node, the content-data sharing flow-medium performance low bit-rate between mobile terminal and mobile terminal node is represented; 3. the content-data sharing flow-medium performance low bit-rate between mobile terminal and PC node is represented, PC can from the data content of the node download stream media program height code check CDN or other network and low bit-rate, and then mobile terminal asks the data content of low bit-rate to PC.By this Application Example, the stable smooth normal play of mobile terminal streaming media program can not only be ensured, the data sharing between P2P node can also be improved, save the bandwidth of content server, lower the cost that system is disposed and runed.
In this specification, each embodiment all adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiment, same or analogous part cross-reference between each embodiment.For device embodiment, due to itself and embodiment of the method basic simlarity, so description is fairly simple, relevant part illustrates see the part of embodiment of the method.
One of ordinary skill in the art will appreciate that: all or part of step realizing said method embodiment can have been come by the hardware that program command is relevant, aforesaid program can be stored in a computer read/write memory medium, this program, when performing, performs the step comprising said method embodiment; And aforesaid storage medium comprises: ROM, RAM, magnetic disc or CD etc. various can be program code stored medium.
The P2P that the embodiment of the present invention realizes the content-data of flow-medium performance between mobile terminal and PC shares, mobile terminal is without the need to downloading the content-data of this flow-medium performance low bit-rate again from CDN, the shared of P2P is effectively utilized to save Internet resources, alleviate the bandwidth pressure of CDN, the system reducing CDN is disposed and operation cost.
Claims (10)
1. a mobile terminal streaming compensation data method, is characterized in that, comprising:
Personal computer PC sends first node to node scheduling server and obtains request message, described first node acquisition request message comprises pc user's information and flow-medium performance identifies ID, for having the point-to-point download P2P nodal information of the content-data of the flow-medium performance low bit-rate that described flow-medium performance ID identifies in acquisition request content distributing network CDN;
Described PC receives the first acquisition response message that described node scheduling server returns for described first node acquisition request message, and obtain in response message whether comprise P2P nodal information according to described first, judge in described CDN, whether have P2P node to store the content-data of described flow-medium performance low bit-rate;
If described first obtains response message comprise P2P nodal information, described PC, according to described P2P nodal information, downloads the content-data of described flow-medium performance low bit-rate from described P2P node and stores; If described first obtains response message do not comprise P2P nodal information, described PC downloads the content-data of described flow-medium performance low bit-rate from the content server described CDN and stores;
Described PC reports first-class media program to share message to described node scheduling server, and described first-class media program is shared message and comprised described pc user's information, described flow-medium performance ID and low bit-rate and identify;
Described node scheduling server increases by first and shares list item in program shared state table, described first share list item comprise pc user's information, described flow-medium performance ID and low bit-rate identify between correspondence relationship information so that subsequent movement terminal is from the content-data of the described flow-medium performance low bit-rate of described PC download.
2. method according to claim 1, is characterized in that, described PC also comprises before sending first node acquisition request message to node scheduling server:
Described PC sends Section Point to described node scheduling server and obtains request message, from described CDN, obtain the content-data of the flow-medium performance height code check that described flow-medium performance ID identifies and decompress(ion), broadcasting, and reporting second media program to share message to described node scheduling server, described second media program is shared message and is comprised described pc user's information, described flow-medium performance ID and high code check and identify;
Described node scheduling server increases by second and shares list item in program shared state table, described second share list item comprise pc user's information, described flow-medium performance ID and high code check identify between correspondence relationship information so that other PC follow-up is from the content-data of the described flow-medium performance height code check of described PC download.
3. method according to claim 2, is characterized in that, described PC sends first node acquisition request message and comprises:
Described PC, when the content-data of flow-medium performance height code check does not exist buffering described in player plays, sends first node to described node scheduling server and obtains request message.
4. the method according to claims 1 to 3 any one, is characterized in that, the content-data that described mobile terminal downloads described flow-medium performance low bit-rate from described PC comprises:
Described mobile terminal sends the 3rd node to node scheduling server and obtains request message, described 3rd node obtains request message and comprises mobile phone users ID and flow-medium performance ID, for having the P2P nodal information of the content-data of the flow-medium performance low bit-rate that described flow-medium performance ID identifies in acquisition request CDN;
Described mobile terminal receives the 3rd acquisition response message that described node scheduling server returns, and obtain in response message whether comprise P2P nodal information according to the described 3rd, judge whether have P2P node to store the content-data of described flow-medium performance low bit-rate in described CDN, described P2P node comprises PC and mobile terminal;
If the described 3rd obtains response message comprise P2P nodal information, described mobile terminal, according to described P2P nodal information, is downloaded the content-data of described flow-medium performance low bit-rate from described P2P node and carries out decompress(ion), broadcasting;
If the described 3rd obtains response message do not comprise P2P nodal information, described mobile terminal is downloaded the content-data of described flow-medium performance low bit-rate from the content server described CDN and is carried out decompress(ion), broadcasting.
5. method according to claim 4, is characterized in that, also comprises:
Described mobile terminal reports the 3rd flow-medium performance to share message to described node scheduling server, and described 3rd flow-medium performance is shared message and comprised described mobile phone users ID, described flow-medium performance ID and low bit-rate and identify;
Described node scheduling server increases the 3rd and shares list item in program shared state table, described 3rd share list item comprise mobile phone users ID, described flow-medium performance ID and low bit-rate identify between correspondence relationship information so that other mobile terminal follow-up downloads the content-data of described flow-medium performance low bit-rate from described mobile terminal.
6. a mobile terminal streaming compensation data system, is characterized in that, comprises PC and node scheduling server;
Described PC, request message is obtained for sending first node to node scheduling server, described first node obtains request message and comprises pc user's information and flow-medium performance ID, for having the P2P nodal information of the content-data of the flow-medium performance low bit-rate that described flow-medium performance ID identifies in acquisition request CDN; Receive the first acquisition response message that described node scheduling server returns for described first node acquisition request message, and obtain in response message whether comprise P2P nodal information according to described first, judge in described CDN, whether have P2P node to store the content-data of described flow-medium performance low bit-rate; If described first obtains response message comprise P2P nodal information, according to described P2P nodal information, download the content-data of described flow-medium performance low bit-rate from described P2P node and store; If described first obtains response message do not comprise P2P nodal information, download the content-data of described flow-medium performance low bit-rate from the content server described CDN and store; Report first-class media program to share message to described node scheduling server, described first-class media program is shared message and is comprised described pc user's information, described flow-medium performance ID and low bit-rate and identify;
Described node scheduling server, obtains request message for receiving described first node, whether there is the first sharing table comprising described flow-medium performance ID and low bit-rate and identify, and return the first acquisition response message to described PC in inquiry program shared state table; The first sharing table comprising described flow-medium performance ID and low bit-rate identify if exist, described first acquisition response message comprises described flow-medium performance ID and identifies corresponding P2P nodal information with low bit-rate; And receive described first-class media program and share message, in program shared state table, increase by first share list item, described first share list item comprise pc user's information, described flow-medium performance ID and low bit-rate identify between correspondence relationship information so that subsequent movement terminal is from the content-data of the described flow-medium performance low bit-rate of described PC download.
7. system according to claim 6, it is characterized in that, described PC is also for before sending first node acquisition request message to node scheduling server, send Section Point to described node scheduling server and obtain request message, the content-data of the flow-medium performance height code check that described flow-medium performance ID identifies is obtained and decompress(ion) from described CDN, play, and report second media program to share message to described node scheduling server, described second media program is shared message and is comprised described pc user's information, described flow-medium performance ID and high code check identify,
Described node scheduling server also shares message for receiving described second media program, in program shared state table, increase by second share list item, described second share list item comprise pc user's information, described flow-medium performance ID and high code check identify between correspondence relationship information so that other PC follow-up is from the content-data of the described flow-medium performance height code check of described PC download.
8. system according to claim 7, it is characterized in that, described PC is especially by player decompress(ion), the content-data playing described flow-medium performance height code check, when the content-data of flow-medium performance height code check does not exist buffering described in player plays, send first node to described node scheduling server and obtain request message.
9. the system according to claim 6 to 8 any one, it is characterized in that, also comprise mobile terminal, request message is obtained for sending the 3rd node to described node scheduling server, described 3rd node obtains request message and comprises mobile phone users ID and flow-medium performance ID, for having the P2P nodal information of the content-data of the flow-medium performance low bit-rate that described flow-medium performance ID identifies in acquisition request CDN; Receive the 3rd acquisition response message that described node scheduling server returns, and obtain in response message whether comprise P2P nodal information according to the described 3rd, judge whether have P2P node to store the content-data of described flow-medium performance low bit-rate in described CDN, described P2P node comprises PC and mobile terminal; If the described 3rd obtains response message comprise P2P nodal information, according to described P2P nodal information, download the content-data of described flow-medium performance low bit-rate from described P2P node and carry out decompress(ion), broadcasting; If the described 3rd obtains response message do not comprise P2P nodal information, download the content-data of described flow-medium performance low bit-rate from the content server described CDN and carry out decompress(ion), broadcasting; Report the 3rd flow-medium performance to share message to described node scheduling server, described 3rd flow-medium performance is shared message and is comprised described mobile phone users ID, described flow-medium performance ID and low bit-rate and identify;
Described node scheduling server also shares message for receiving described 3rd flow-medium performance, in program shared state table, increase the 3rd share list item, described 3rd share list item comprise mobile phone users ID, described flow-medium performance ID and low bit-rate identify between correspondence relationship information so that other mobile terminal follow-up downloads the content-data of described flow-medium performance low bit-rate from described mobile terminal.
10. a content distributing network, comprises the content server of the content-data of stored stream media program height code check and low bit-rate, it is characterized in that, also comprises the mobile terminal streaming compensation data system described in claim 6 to 8 any one.
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| EP3114588B1 (en) * | 2014-03-04 | 2018-09-12 | Mobophiles, Inc. DBA Mobolize | Dynamic cache allocation and network management |
| CN105338421A (en) * | 2014-08-05 | 2016-02-17 | 深圳国微技术有限公司 | HLS streaming media transmission method and device |
| CN105635755B (en) * | 2015-12-30 | 2018-11-13 | 合一网络技术(北京)有限公司 | Live TV stream transmission method and device |
| CN105827694B (en) * | 2016-03-11 | 2020-06-16 | 腾讯科技（深圳）有限公司 | Method and device for acquiring network resources |
| CN108900900A (en) * | 2018-06-29 | 2018-11-27 | 中国联合网络通信集团有限公司 | Flow media playing method and device |
| CN110895583B (en) * | 2018-09-12 | 2023-05-30 | 阿里巴巴集团控股有限公司 | Method, device and system for acquiring data resources |
| CN110460652B (en) * | 2019-07-26 | 2021-09-14 | 网宿科技股份有限公司 | Resource acquisition method and edge computing scheduling server |
| CN110677714A (en) * | 2019-09-12 | 2020-01-10 | 北京奇艺世纪科技有限公司 | Video data downloading method and device, electronic equipment and storage medium |
| CN111372100B (en) * | 2020-04-21 | 2023-07-14 | 白杨 | Distributed election-based end-to-end content distribution network system and distribution method |
| CN111726658A (en) * | 2020-06-12 | 2020-09-29 | 腾讯科技（深圳）有限公司 | Multimedia data transmission method and device |
| CN115002129B (en) * | 2022-05-09 | 2023-05-12 | 珠海迈科智能科技股份有限公司 | P2P streaming media control system and method for increasing sharable user base |
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