CN102547470A - Playing method, system and server for distributed streaming media business - Google Patents
Playing method, system and server for distributed streaming media business Download PDFInfo
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- CN102547470A CN102547470A CN2010106218435A CN201010621843A CN102547470A CN 102547470 A CN102547470 A CN 102547470A CN 2010106218435 A CN2010106218435 A CN 2010106218435A CN 201010621843 A CN201010621843 A CN 201010621843A CN 102547470 A CN102547470 A CN 102547470A
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Abstract
The invention provides a playing method, a system and a server for distributed streaming media business. The method comprises the following steps of: storing a downloading percentage of streaming media contents at a node into the server, making the server receive a playing request with streaming media prompts transmitted by a requesting node, determining the information of the node with the streaming media contents corresponding to the streaming media prompts, making the server extracting node information with the downloading percentage more than the reference value from the determined node information, and retransmitting the determined node information to the requesting node to play streaming media. By adopting the scheme, the rate of obtaining the node information retransmitted to the requesting node can be improved, and the interaction process of the requesting node to access to the streaming media according to the node information can be reduced.
Description
Technical field
The present invention relates to data transmission technology, relate in particular to distributed flow media professional player method, system and server.
Background technology
Streaming media service is a kind of multimedia application that grows up from Internet, refers to use stream (Streaming) mode at the transmission over networks multimedia file, comprises audio frequency, video and animation etc.Traditional stream media service system mostly adopts client/server (C/S) pattern to realize, particularly, the user clicks from server and watches program, and server is pushed to the user to Streaming Media with mode of unicast then.After streaming media service develops into certain phase; Total number of users increases considerably; This pattern exposes a lot of defectives;, streaming media server disposal ability big like the streaming media server bandwidth occupancy requires high, makes bandwidth, server etc. often become system bottleneck, causes the extensibility variation of system.
At present, occurred distributed computing technology is incorporated into the Streaming Media transmission and the distributed flow media business of formation, said distributed computing technology for example is the P2P technology.The application of distributed computing technology has solved the problems under the C/S model well: realizing on the basis of server load balancing, accelerating the speed that the requesting party obtains streaming medium content, improving the quality of streaming media service transmission.
Referring to Fig. 1, be the professional Play System structural representation of existing distributed flow media, this system comprises server, supplicant node and provider's node.Below based on the structure of Fig. 1; Flow process through Fig. 2 describes the professional player method of existing distributed flow media; Each node and server carry out alternately; Server obtains and the memory node data, and said node data comprises the identification information of the streaming medium content of each node storage, for example streaming medium content title etc.
The flow process of Fig. 2 may further comprise the steps:
In concrete the realization, server possibly be transmitted to supplicant node with playing request through the door equipment entities such as (portal) of network side.The indication of said Streaming Media has shown the relevant information of the streaming medium content that request is play, like title etc.
Step 203, server feed back to supplicant node with the nodal information of determining and carry out streaming media playing.
The nodal information that feeds back to supplicant node generally adopts the mode of node listing, after the tabulation of supplicant node receiving node, from node listing, selects provider's node, obtains streaming medium content and broadcast from provider's node of selecting.Particularly, after supplicant node receives node listing, carry out bitmap (bitmap) information exchange, promptly know the information of storage respective streams media content on each node with all nodes in the node listing; Supplicant node is determined the node of download stream media content according to the information of knowing, promptly selects provider's node; Supplicant node is sent access request to provider's node then, downloads the respective streams media content of provider's node storage, and plays.
Each streaming medium content is made up of a plurality of bursts, only comprises each node in the rendition list of server feedback and has stored which streaming medium content, and what supplicant node needed possibly be the concrete burst of certain streaming medium content.For example, request be the burst 1 of film A, and the rendition list that server returns is the information of the node of storage film A; And each node not necessarily comprises burst 1 in the rendition list; Therefore, need supplicant node to pass through the bitmap information exchanging process, know in the rendition list the burst information of respective streams media content on each node; Thereby select provider's node, play from provider's node download stream media content.
Owing to comprise the information of all nodes that store this streaming medium content in the rendition list; Cause comprising a lot of invalid nodal informations; Just; A lot of nodes do not comprise the appointment burst of the streaming medium content of request; This brings following problem: the hit rate of nodal information that feeds back to supplicant node is lower, and supplicant node often need carry out the bitmap information exchange with all nodes of this streaming medium content of storage, has increased supplicant node is carried out the Streaming Media visit according to node listing reciprocal process.
Summary of the invention
The invention provides the professional player method of a kind of distributed flow media, this method can improve the hit rate of the nodal information that feeds back to supplicant node, reduces supplicant node is carried out the Streaming Media visit according to nodal information reciprocal process.
The invention provides the professional Play System of a kind of distributed flow media, this system can improve the hit rate of the nodal information that feeds back to supplicant node, reduces supplicant node is carried out the Streaming Media visit according to nodal information reciprocal process.
The invention provides a kind of distributed flow media service server, this server can improve the hit rate of the nodal information that feeds back to supplicant node, reduces supplicant node is carried out the Streaming Media visit according to nodal information reciprocal process.
The player method that a kind of distributed flow media is professional, in this method, the download percentage of server stores streaming medium content place node, this method comprises:
Server receives the playing request that comprises the Streaming Media indication that supplicant node is sent;
Server is determined the information of the node that stores the corresponding streaming medium content of said Streaming Media indication;
Server extracts from the nodal information of determining downloads the nodal information of percentage greater than reference value, the nodal information of determining is fed back to supplicant node carry out streaming media playing.
The Play System that a kind of distributed flow media is professional, this system comprises node and server, said node comprises supplicant node;
Described request side's node is used for sending the playing request that comprises the Streaming Media indication to server, and the nodal information of reception server feedback carries out streaming media playing according to nodal information;
Said server is used for the download percentage that the stored stream media content belongs to node; Receive the playing request that comprises the Streaming Media indication that supplicant node is sent; Determine the information of the node that stores the corresponding streaming medium content of said Streaming Media indication, from the nodal information of determining, extract and download the nodal information of percentage, the nodal information of determining is fed back to supplicant node greater than reference value.
A kind of distributed flow media service server, this server comprise that extraction unit and information issue the unit;
Said extraction unit is used for the download percentage that the stored stream media content belongs to node; Receive the playing request that comprises the Streaming Media indication that supplicant node is sent; Determine the information of the node that stores the corresponding streaming medium content of said Streaming Media indication, from the nodal information of determining, extract and download the nodal information of percentage, the nodal information of determining is sent to said information issue the unit greater than reference value;
Said information issues the unit, is used for said nodal information is fed back to supplicant node.
Can find out from such scheme; The present invention is at the download percentage of server stores streaming medium content place node; After receiving playing request; Determine the information of the streaming medium content place node of being asked, extract from the nodal information of determining and download the nodal information of percentage, feed back to supplicant node greater than reference value.Like this; Only need the nodal information that meets the demands is fed back to supplicant node; Supplicant node is carried out streaming media playing according to the nodal information that reduces the scope, possibility is bigger again; Thereby, improved the hit rate of the nodal information that feeds back to supplicant node, reduced supplicant node is carried out the Streaming Media visit according to nodal information reciprocal process.
Description of drawings
Fig. 1 is the professional Play System structural representation of existing distributed flow media;
Fig. 2 is the professional player method flow chart of existing distributed flow media;
Fig. 3 is the professional player method indicative flowchart of distributed flow media of the present invention;
Fig. 4 is the professional Play System structural representation instance of distributed flow media of the present invention;
Fig. 5 is the professional player method example flow diagram of distributed flow media of the present invention;
Fig. 6 is the professional Play System structural representation of distributed flow media of the present invention.
Embodiment
For making the object of the invention, technical scheme and advantage clearer, below in conjunction with embodiment and accompanying drawing, to further explain of the present invention.
The present invention is at the download percentage of server stores streaming medium content place node; After receiving playing request; Determine the information of the streaming medium content place node of being asked, extract from the nodal information of determining and download the nodal information of percentage, feed back to supplicant node greater than reference value.Adopt the present invention program; Nodal information feeds back to supplicant node only to need to meet the demands all, and supplicant node is carried out streaming media playing according to the nodal information that reduces the scope, possibility is bigger again, like this; Just need not the information of all nodes of determining all be fed back to supplicant node; Thereby, improved the hit rate of the nodal information that feeds back to supplicant node, reduced supplicant node is carried out the Streaming Media visit according to nodal information reciprocal process.
Referring to Fig. 3; Be the professional player method indicative flowchart of distributed flow media of the present invention; In this method, each node and server carry out alternately, and server obtains and the memory node data; Said node data not only comprises the identification information of the streaming medium content of each node storage, also comprises the download percentage of each streaming medium content in respective nodes; This flow process may further comprise the steps:
In concrete the realization, server possibly be transmitted to supplicant node with playing request through the door equipment entities such as (portal) of network side.
Said reference value can be provided with as required.
The download percentage of the streaming medium content of server stores place node can obtain through the keep-alive flow process, and said keep-alive flow process comprises: after the success of node visit streaming medium content, the download percentage of respective streams media content is reported server.
Server can adopt multiple mode that the nodal information of determining is sent to supplicant node, for example, adopts the mode of node listing, and particularly, server sends to supplicant node with the nodal information input node listing of determining with said node listing.
Server sends to supplicant node with the nodal information of determining through node listing, and supplicant node is selected provider's node from node listing, obtains streaming medium content and broadcast from provider's node.Particularly, after supplicant node receives node listing, carry out the bitmap information exchange, promptly know the information of storage respective streams media content on each node with all nodes in the node listing; Supplicant node is confirmed the node of download stream media content according to the information of knowing, promptly selects provider's node; Supplicant node is sent access request to provider's node then, downloads the respective streams media content of provider's node storage, and plays.
Each streaming medium content is made up of a plurality of bursts, only comprise each node in the rendition list of server feedback and stored which streaming medium content, and the supplicant node request possibly be the concrete burst of certain streaming medium content.After adopting the present invention program; Can dwindle the nodal information scope of feedback; The information of storage being downloaded the node of the bigger streaming medium content of percentage offers supplicant node, and it is bigger to download percentage, and the possibility of burst that then stores user's request is just big; Thereby, improved the hit rate of the nodal information that feeds back to supplicant node; And only feedback is downloaded the nodal information of the bigger streaming medium content of percentage, has reduced the number of the nodal information that comprises in the node listing, correspondingly, has reduced supplicant node and process that other node carries out the bitmap information exchange.
Flow process through Fig. 5 is illustrated the professional player method of distributed flow media of the present invention below; This flow process realizes based on system shown in Figure 4; This system comprises server and a plurality of node; Said a plurality of node comprises node UE A, node UE B and node UE C etc., and wherein UE C is a supplicant node, supposes that here with request film a be that example is explained.
Each node and server carry out alternately, and server obtains and store the download percentage of the streaming medium content of each node storage, and this process can realize through the keep-alive flow process.This keep-alive flow process comprises: after the node visit film a success, will report server about the download percentage of film a; Particularly, node can periodically will be downloaded percentage and report server in the access process to film a, and server receives the back respective downloaded percentage of storing is upgraded.
The flow process of Fig. 5 may further comprise the steps:
Particularly, after UE A accomplishes film a visit, the download percentage 65% of film a is reported server; Download percentage 65% about film a can adopt SIP (SIP, Session Initiation Protocol) agreement to accomplish message transmission, for example, can use SIP info message to carry the relevant information of downloading percentage.According to the service operation needs, in the process that reports, UE A can also report server with UE state information, charge information etc.
Similarly, server also obtains the download percentage information about film a that other node reports.For example, UE B also with the download percentage 90% of film a, reports server after accomplishing the visit to film a, and server stores film a is in the download percentage information of UE B.
Comprising UE A and UE B.
In this instance, reference value is made as 70%, correspondingly, comprises UE B in the node listing, and does not comprise UE A.
After UE C receives node listing, carry out the bitmap information exchange, promptly know the film a burst information of storing on each node with all nodes in the node listing; UE C confirms need download film from which node, select provider's node according to the burst information of knowing; UE C sends access request to provider's node then, downloads the film a of provider's node storage, and plays.In above-mentioned flow process, because the nodal information of server feedback to the existing certain requirement of the download percentage of film a, makes the hit rate of nodal information of feedback increase greatly; And reduced the number of the nodal information that comprises in the node listing, correspondingly, reduced the process that UE C and node carry out the bitmap information exchange.
Referring to Fig. 6, be the professional Play System structural representation of distributed flow media of the present invention, this system comprises node and server, said node comprises supplicant node;
Described request side's node is used for sending the playing request that comprises the Streaming Media indication to server, and the nodal information of reception server feedback carries out streaming media playing according to nodal information;
Said server is used for the download percentage that the stored stream media content belongs to node; Receive the playing request that comprises the Streaming Media indication that supplicant node is sent; Determine the information of the node that stores the corresponding streaming medium content of said Streaming Media indication, from the nodal information of determining, extract and download the nodal information of percentage, the nodal information of determining is fed back to supplicant node greater than reference value.
Alternatively, said node also comprises provider's node,
Described request side's node is used for selecting provider's node from the nodal information that receives, and sends the access request that comprises the Streaming Media indication to provider's node; Receive the Streaming Media and the broadcast of the transmission of provider's node;
Said provider's node is used to receive said access request, and the corresponding streaming medium content of Streaming Media indication is offered described request side's node.
Alternatively, said server comprises that extraction unit and information issue the unit;
Said extraction unit is used for the download percentage that the stored stream media content belongs to node; Receive the playing request that comprises the Streaming Media indication that supplicant node is sent; Determine the information of the node that stores the corresponding streaming medium content of said Streaming Media indication, from the nodal information of determining, extract and download the nodal information of percentage, the nodal information of determining is sent to said information issue the unit greater than reference value;
Said information issues the unit, is used for said nodal information is fed back to supplicant node.
Alternatively, said extraction unit comprises storing sub-units, receives subelement and judgment sub-unit;
Said storing sub-units is used for the memory node data, and identification information and each streaming medium content of streaming medium content that comprises the storage of each node in the said node data is at the download percentage of respective nodes;
Said reception subelement is used to receive the playing request that comprises the Streaming Media indication that supplicant node is sent, and sends playing request to said judgment sub-unit;
Said judgment sub-unit; Be used to receive said playing request; From said storing sub-units, determine the information of the node that stores the corresponding streaming medium content of said Streaming Media indication; From the nodal information of determining, extract and download the nodal information of percentage, the nodal information of determining is sent to said information issue the unit greater than reference value.
The above is merely preferred embodiment of the present invention, and is in order to restriction the present invention, not all within spirit of the present invention and principle, any modification of being made, is equal to replacement, improvement etc., all should be included within the scope that the present invention protects.
Claims (9)
1. the player method that distributed flow media is professional is characterized in that, the download percentage of server stores streaming medium content place node, and this method comprises:
Server receives the playing request that comprises the Streaming Media indication that supplicant node is sent;
Server is determined the information of the node that stores the corresponding streaming medium content of said Streaming Media indication;
Server extracts from the nodal information of determining downloads the nodal information of percentage greater than reference value, the nodal information of determining is fed back to supplicant node carry out streaming media playing.
2. the method for claim 1 is characterized in that, said server feeds back to supplicant node with the nodal information of determining to carry out streaming media playing and comprise:
Server sends to supplicant node with the nodal information of determining;
Supplicant node is selected provider's node from nodal information, obtain streaming medium content and broadcast from provider's node.
3. according to claim 1 or claim 2 method; It is characterized in that; The download percentage of the streaming medium content place node of server stores obtains through the keep-alive flow process; Said keep-alive flow process comprises: after the node visit streaming medium content success, the download percentage of respective streams media content is reported server.
4. the Play System that distributed flow media is professional is characterized in that this system comprises node and server, and said node comprises supplicant node;
Described request side's node is used for sending the playing request that comprises the Streaming Media indication to server, and the nodal information of reception server feedback carries out streaming media playing according to nodal information;
Said server is used for the download percentage that the stored stream media content belongs to node; Receive the playing request that comprises the Streaming Media indication that supplicant node is sent; Determine the information of the node that stores the corresponding streaming medium content of said Streaming Media indication, from the nodal information of determining, extract and download the nodal information of percentage, the nodal information of determining is fed back to supplicant node greater than reference value.
5. system as claimed in claim 4 is characterized in that said node also comprises provider's node,
Described request side's node is used for selecting provider's node from the nodal information that receives, and sends the access request that comprises the Streaming Media indication to provider's node; Receive the Streaming Media and the broadcast of the transmission of provider's node;
Said provider's node is used to receive said access request, and the corresponding streaming medium content of Streaming Media indication is offered described request side's node.
6. like claim 4 or 5 described systems, it is characterized in that said server comprises that extraction unit and information issue the unit;
Said extraction unit is used for the download percentage that the stored stream media content belongs to node; Receive the playing request that comprises the Streaming Media indication that supplicant node is sent; Determine the information of the node that stores the corresponding streaming medium content of said Streaming Media indication, from the nodal information of determining, extract and download the nodal information of percentage, the nodal information of determining is sent to said information issue the unit greater than reference value;
Said information issues the unit, is used for said nodal information is fed back to supplicant node.
7. system as claimed in claim 6 is characterized in that, said extraction unit comprises storing sub-units, receives subelement and judgment sub-unit;
Said storing sub-units is used for the memory node data, and identification information and each streaming medium content of streaming medium content that comprises the storage of each node in the said node data is at the download percentage of respective nodes;
Said reception subelement is used to receive the playing request that comprises the Streaming Media indication that supplicant node is sent, and sends playing request to said judgment sub-unit;
Said judgment sub-unit; Be used to receive said playing request; From said storing sub-units, determine the information of the node that stores the corresponding streaming medium content of said Streaming Media indication; From the nodal information of determining, extract and download the nodal information of percentage, the nodal information of determining is sent to said information issue the unit greater than reference value.
8. a distributed flow media service server is characterized in that, this server comprises that extraction unit and information issue the unit;
Said extraction unit is used for the download percentage that the stored stream media content belongs to node; Receive the playing request that comprises the Streaming Media indication that supplicant node is sent; Determine the information of the node that stores the corresponding streaming medium content of said Streaming Media indication, from the nodal information of determining, extract and download the nodal information of percentage, the nodal information of determining is sent to said information issue the unit greater than reference value;
Said information issues the unit, is used for said nodal information is fed back to supplicant node.
9. server as claimed in claim 8 is characterized in that, said extraction unit comprises storing sub-units, receives subelement and judgment sub-unit;
Said storing sub-units is used for the memory node data, and identification information and each streaming medium content of streaming medium content that comprises the storage of each node in the said node data is at the download percentage of respective nodes;
Said reception subelement is used to receive the playing request that comprises the Streaming Media indication that supplicant node is sent, and sends playing request to said judgment sub-unit;
Said judgment sub-unit; Be used to receive said playing request; From said storing sub-units, determine the information of the node that stores the corresponding streaming medium content of said Streaming Media indication; From the nodal information of determining, extract and download the nodal information of percentage, the nodal information of determining is sent to said information issue the unit greater than reference value.
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| CN2010106218435A CN102547470A (en) | 2010-12-27 | 2010-12-27 | Playing method, system and server for distributed streaming media business |
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| CN2010106218435A CN102547470A (en) | 2010-12-27 | 2010-12-27 | Playing method, system and server for distributed streaming media business |
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Application publication date: 20120704 |