CN104902340A - Peer-node global server load balance media content delivery method and system - Google Patents
Peer-node global server load balance media content delivery method and system Download PDFInfo
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Abstract
The invention relates to the technical field of broadcast television networks and specifically to a peer-node global server load balance media content delivery method and system. The method comprises: generating a resource list of nodes, wherein the resource list at least comprises media information included in the nodes; generating a node list at least comprising a connection relation of the nodes, a residual bandwidth, fee information, and residual storage space; according to a resource ID in a media content request transmitted from a content providing node, querying the resource list to determine nodes provided with media request resources, and determining a path via which media content is transmitted to content providing node according to the node list and a delivery way in the media content request. By means of the method and the system in the embodiment of the invention, different transmission paths can be generated according to content providing servers at various regions in a broadcast television network. Thus, the utilization rate of network resources is improved and the performance and the quality of network service are improved.
Description
Technical field
The present invention relates to CHINA RFTCOM Co Ltd technical field, specifically, the present invention relates to a kind of peer node GSLB distribute media content method and system.
Background technology
Along with the sharp increase of interconnected online content particularly video content, the method for service " done one's best " in the Internet can not meet the requirement of consumer to high quality-of-service and Quality of experience.The CDN business of framework on the Internet is arisen at the historic moment, and has filled up the deficiency that the Internet can not provide high-quality content to distribute.The full name of CDN is Content Delivery Network, i.e. content distributing network.Its basic ideas avoid the Internet likely affects bottleneck and the link of data transmission bauds and stability as far as possible, make content delivery sooner, more stable.By placing one deck intelligent virtual network on existing Internet basic that node server is formed everywhere at network, CDN system can in real time according to the connection of network traffics and each node, load state and the request of user again to be led from the nearest service node of user to the integrated information such as Distance geometry response time of user.Its objective is and make user can obtain required content nearby, solve the situation that Internet network is crowded, improve the response speed of user's access websites.
TV programme development experience to SD digital program, then to high-definition digital program, and there will be 3D digital television program future by analog television program.The exchange of these programme contents proposes new requirement to distributing network.And the core concept of traditional C DN is server/customer end, along with the increase of customer volume and traffic carrying capacity, especially " Rich Media " application, need the input constantly increasing edge device and backbone links resource, becoming increasingly complex of later maintenance, autgmentability are poor, the more important thing is that Consumer's Experience can not be guaranteed.
In the prior art, CHINA RFTCOM Co Ltd adopts the mode concentrating storage+IP-based quadrature amplitude modulation (IPQAM), becomes qam signal to send to subscriber computer top box IP data transaction.At present, the transmission realizing request program is in this way adopted in the video request program (VOD) of digital TV field more.Namely concentrated by central machine room and store and set up Edge Server by program sending to IPQAM, by IPQAM, IP Data Modulation is sent to user to corresponding frequency, its reverse return path can adopt Cable Modem Termination System (CMTS), ethernet passive optical network+ether data by co-axial cables transport (EPON+EOC) etc. again.
Although third generation VOD has the feature of edge cache, but still be that concentrated storage is directly distributed to Edge Server, the concurrent stream of unit remains a very important index.
Summary of the invention
The concurrent flow problem of unit concentrating the mode storing+IPQAM to bring is adopted in order to solve CHINA RFTCOM Co Ltd in prior art, provide a kind of peer node GSLB distribute media content method and system, the maintenance in backbone network later stage and extensibility are significantly improved.
Embodiments provide a kind of peer node GSLB of the present invention distribute media content method, comprise,
Generate the Resources list of node, described the Resources list at least comprises the media information that node has;
Generate node listing, described node listing at least comprises annexation, remaining bandwidth, pay imformation, the residual memory space of node;
According to the resource ID in the media content request that content provides node to send, inquire about the node that described the Resources list determines to have request media resource, determine according to the ways of distribution in described node listing and media content request the path that node-node transmission media content is provided to described content.
A further aspect of peer node GSLB distribute media content method under a kind of United Dispatching according to the embodiment of the present invention, representation node mark is also comprised in described node listing, when the remaining bandwidth of node reach predetermined value, residual memory space reaches predetermined value, charge do not reach charge threshold value time, marking this node is representation node.
Another further aspect of a kind of peer node GSLB distribute media content method according to the embodiment of the present invention, determine to provide the path of node-node transmission media content to comprise further to described content according to the ways of distribution in described node listing and media content request, according to the ways of distribution in described media content request, from a node with asked media resource, residual memory space is selected to meet described media resource, the remaining bandwidth of node reach bandwidth threshold value and the charge of this node lower than the node of charge threshold value as the next-hop node of transmission path.
Another further aspect of a kind of peer node GSLB distribute media content method according to the embodiment of the present invention, determine to provide the path of node-node transmission media content to comprise further to described content according to the ways of distribution in described node listing and media content request, according to the ways of distribution in described media content request, from a plurality of nodes with asked media resource, residual memory space is selected to meet described media resource requirement, the remaining bandwidth of node reach bandwidth threshold value and the charge of this node lower than the node of charge threshold value as the next-hop node of transmission path, a part for each node all only transmission formation full media content of described beginning.
Another further aspect of a kind of peer node GSLB distribute media content method according to the embodiment of the present invention, if selectable next-hop node comprises representation node, then selects this representation node to be next-hop node.
Another further aspect of a kind of peer node GSLB distribute media content method according to the embodiment of the present invention, each node in the transmission path of described media content all stores the backup of institute's transmitting media content, and upgrades the Resources list of this node.
The embodiment of the present invention additionally provides a kind of peer node GSLB media content distribution system, comprises,
Resource management apparatus, node management device, dispatching device, a plurality of node;
Described resource management apparatus, for generating the Resources list of node, described the Resources list at least comprises the media information that node has;
Described node management device, for generating node listing, described node listing at least comprises annexation, remaining bandwidth, pay imformation, residual memory space, the geographical location information of node;
Described dispatching device, according to the resource ID in the media content request that content provides node to send, inquire about the node that described the Resources list determines to have request media resource, determine according to the ways of distribution in described node listing and media content request the path that node-node transmission media content is provided to described content.
An a kind of further aspect of peer node GSLB media content distribution system according to the embodiment of the present invention, described dispatching device is according to the ways of distribution in described media content request, from a node with asked media resource, select that residual memory space meets described media resource, the remaining bandwidth of node reaches bandwidth threshold value and the charge of this node lower than the node of charge threshold value as the next-hop node of transmission path.
Another further aspect of a kind of peer node GSLB media content distribution system according to the embodiment of the present invention, described dispatching device is according to the ways of distribution in described media content request, from a plurality of nodes with asked media resource, select that residual memory space meets described media resource requirement, the remaining bandwidth of node reaches bandwidth threshold value and the charge of this node lower than the node of charge threshold value as the next-hop node of transmission path, each node of described beginning all only transmission forms a part for full media content.
Another further aspect of a kind of peer node GSLB media content distribution system according to the embodiment of the present invention, each node in the transmission path of described media content all stores the backup of institute's transmitting media content, and upgrades the Resources list of this node.
By the method and system of the invention described above embodiment, different transmission routes can be generated according to the situation of various places content providing server in CHINA RFTCOM Co Ltd (media resource situation, server network situation etc.), thus improve the utilance of Internet resources, improve performance and the quality of network service.
Accompanying drawing explanation
Read the detailed description to embodiment in conjunction with the following drawings, above-mentioned feature and advantage of the present invention, and extra feature and advantage, will be more readily apparent from.
Figure 1 shows that the flow chart of peer node GSLB distribute media content method under a kind of United Dispatching of inventive embodiments;
Figure 2 shows that the structural representation of peer node GSLB media content distribution system under a kind of United Dispatching of the embodiment of the present invention;
Figure 3 shows that the data flow diagram of peer node GSLB distribute media content method under a kind of United Dispatching of the embodiment of the present invention;
Figure 4 shows that embodiment of the present invention CHINA RFTCOM Co Ltd interior joint D obtains the schematic diagram of film A.
Embodiment
Description below can make any those skilled in the art utilize the present invention.Specific embodiment and the descriptor provided in applying are only example.Various extension and the combination of embodiment as described herein are apparent for those skilled in the art, and when not departing from the spirit and scope of the invention, the rule of the present invention's definition can be applied in other embodiments and application.Therefore, the present invention is not only limited to shown embodiment, and the maximum magnitude consistent with principle shown in this paper and feature is contained in the present invention.
Be illustrated in figure 1 the flow chart of peer node GSLB distribute media content method under a kind of United Dispatching of inventive embodiments.
Comprise step 101, generate the Resources list of node, described the Resources list at least comprises the media information that node has.
Step 102, generate node listing, described node listing at least comprises the annexation, remaining bandwidth, pay imformation, residual memory space etc. of node.
Step 103, according to the resource ID in the media content request that content provides node to send, inquire about the node that described the Resources list determines to have request media resource, determine according to the ways of distribution in described node listing and media content request the path that node-node transmission media content is provided to described content.
As an embodiment of the embodiment of the present invention, the Resources list of Real-time Obtaining node, or by the Resources list of each this node of node timed sending.
As an embodiment of the embodiment of the present invention, also comprise in described node listing representation node mark, when the remaining bandwidth of node reach predetermined value, residual memory space reaches predetermined value, charge do not reach charge threshold value time, marking this node is representation node.
As an embodiment of the embodiment of the present invention, determine to provide the path of node-node transmission media content to comprise further to described content according to the ways of distribution in described node listing and media content request, according to the ways of distribution in described media content request, from a node with asked media resource, select that residual memory space meets described media resource, the remaining bandwidth of node reaches bandwidth threshold value and the charge of this node lower than the node of charge threshold value as the next-hop node of transmission path.
As an embodiment of the embodiment of the present invention, determine to provide the path of node-node transmission media content to comprise further to described content according to the ways of distribution in described node listing and media content request, according to the ways of distribution in described media content request, from a plurality of nodes with asked media resource, residual memory space is selected to meet described media resource requirement, the remaining bandwidth of node reach bandwidth threshold value and the charge of this node lower than the node of charge threshold value as the next-hop node of transmission path, a part for each node all only transmission formation full media content of described beginning.
As an embodiment of the embodiment of the present invention, if selectable next-hop node comprises representation node, then this representation node is selected to be next-hop node.
As an embodiment of the embodiment of the present invention, each node in the transmission path of described media content all stores the backup of institute's transmitting media content, and upgrades the Resources list of this node.
By the method for the embodiment of the present invention, different transmission routes can be generated according to the situation of various places content providing server in CHINA RFTCOM Co Ltd (media resource situation, server network situation etc.), thus improve the utilance of Internet resources, improve performance and the quality of network service; And each node is being given while certain node-node transmission again for other nodes provide service, internodal distribution of services is by the judgement to node close and server load, according to dynamic strategy United Dispatching in distribution of services system, realize the orderly parallel transmission mechanism of peer-to-peer network of first-selected optimal node, alleviate the pressure of central server, promote the performance of central server work; Simultaneously, avoid the bandwidth lose that peer-to-peer network transmission disordering is brought, because the state of each node is always all in monitoring, then can look for optimal node according to the current information of node thus achieve and realize GSLB, improve network performance, shorten delay and the subscriber response time of access to netwoks, improve service quality.
Be illustrated in figure 2 the structural representation of peer node GSLB media content distribution system under a kind of United Dispatching of the embodiment of the present invention.
Comprise resource management apparatus 201, node management device 202, dispatching device 203, a plurality of node 204.
Described resource management apparatus 201, for generating the Resources list of node, described the Resources list at least comprises the media information that node has.
Described node management device 202, for generating node listing, described node listing at least comprises the annexation, remaining bandwidth, pay imformation, residual memory space, geographical location information etc. of node.
Described dispatching device 203, according to the resource ID in the media content request that content provides node to send, inquire about the node that described the Resources list determines to have request media resource, determine according to the ways of distribution in described node listing and media content request the path that node-node transmission media content is provided to described content.
As an embodiment of the embodiment of the present invention, the Resources list of described resource management apparatus 201 Real-time Obtaining node, or receive by the Resources list of each this node of node timed sending.
As an embodiment of the embodiment of the present invention, also comprise in described node listing representation node mark, when the remaining bandwidth of node reach predetermined value, residual memory space reaches predetermined value, charge do not reach charge threshold value time, marking this node is representation node.
As an embodiment of the embodiment of the present invention, described dispatching device 203 is according to the ways of distribution in described media content request, from a node with asked media resource, select that residual memory space meets described media resource, the remaining bandwidth of node reaches bandwidth threshold value and the charge of this node lower than the node of charge threshold value as the next-hop node of transmission path.
As an embodiment of the embodiment of the present invention, described dispatching device 203 is according to the ways of distribution in described media content request, from a plurality of nodes with asked media resource, select that residual memory space meets described media resource requirement, the remaining bandwidth of node reaches bandwidth threshold value and the charge of this node lower than the node of charge threshold value as the next-hop node of transmission path, each node of described beginning all only transmission forms a part for full media content.
As an embodiment of the embodiment of the present invention, if selectable next-hop node comprises representation node, then described dispatching device 203 selects this representation node to be next-hop node.
As an embodiment of the embodiment of the present invention, each node in the transmission path of described media content all stores the backup of institute's transmitting media content, and upgrades the Resources list of this node.
By the system of the embodiment of the present invention, different transmission routes can be generated according to the situation of various places content providing server in CHINA RFTCOM Co Ltd (media resource situation, server network situation etc.), thus improve the utilance of Internet resources, improve performance and the quality of network service; And each node is being given while certain node-node transmission again for other nodes provide service, internodal distribution of services is by the judgement to node close and server load, according to dynamic strategy United Dispatching in distribution of services system, realize the orderly parallel transmission mechanism of peer-to-peer network of first-selected optimal node, alleviate the pressure of central server, promote the performance of central server work; Simultaneously, avoid the bandwidth lose that peer-to-peer network transmission disordering is brought, because the state of each node is always all in monitoring, then can look for optimal node according to the current information of node thus achieve and realize GSLB, improve network performance, shorten delay and the subscriber response time of access to netwoks, improve service quality.
Be illustrated in figure 3 the data flow diagram of peer node GSLB distribute media content method under a kind of United Dispatching of the embodiment of the present invention.
Step 301, the server node of content supplier is to dispatching device acquisition request film A, this request comprises No. ID of film A, the ID of resource receiving node, top-priority ways of distribution, such as obtain film A with speed-priority, be that the node in transmission path obtains film A with representation node, preferentially obtain film A with expense.
Step 302, dispatching device transfers to resource management apparatus to inquire about according to No. ID of the film A in the request of content provider server node and the ID of resource receiving node, in this resource management apparatus, there is the Resources list, wherein record the media resource information stored in each node in Broadcasting Cable Network.
Step 303, whether the inquiry of described resource management apparatus exists No. ID of film A in described the Resources list, if not this resource, this film of informing content provider server node A is not; If resource exists, then the node of No. ID that there is film A in current CHINA RFTCOM Co Ltd is sent to dispatching device.
Step 304, the ID of content provider server node and the node with film A are sent to node management device by dispatching device.In this example, be illustrated in figure 4 the schematic diagram that embodiment of the present invention CHINA RFTCOM Co Ltd interior joint D obtains film A, node D is content provider server node in the figure, and node A and Node B are the node with film A.
Step 305, node management device is by from the described node with film A, and the nodal information to all paths of described content provider server node sends to dispatching device.Such as, in this example, the nodal information of the node A in Fig. 4, Node B, node C and node E is sent to dispatch server.
Described node management device stores the node listing of all nodal informations in record CHINA RFTCOM Co Ltd, have recorded the contents such as the annexation of each node, remaining bandwidth, pay imformation, residual memory space, geographical location information, node tasks queue situation in the list, if when the remaining bandwidth of certain node reaches predetermined value, residual memory space reaches predetermined value, charge does not reach charge threshold value, this node is also marked as representation node.
Step 306, the ways of distribution in the solicited message that described dispatching device sends over according to the path received and content provider server node, selects the transmission path of film A in the path for which.
The path received in this example comprises, and node A can directly arrive node D, and Node B can arrive node D by node C, and Node B can also arrive node D by node E, and Node B can also reach node D by node F.
Above-mentioned nodal information comprises, node A remaining bandwidth is 100Mbps, pay imformation (expense when expense refers to that across a network transmits that is 5 yuan, or also can comprise the expense using node), owing to can directly arrive node D so need not consider remaining space by node A, node A distance node D is 100 kilometers.
Node B remaining bandwidth is 1Gbps, and pay imformation is 0.5 yuan, and Node B distance node D is 200 kilometers.
Node C remaining bandwidth is 300Mbps, and pay imformation is 3 yuan, and residual memory space is 10GB, and node C distance node D is 50 kilometers.
Node E remaining bandwidth is 10Gbps, pay imformation is 1 yuan, and residual memory space is 10GB, and node E distance node D is 200 kilometers, when remaining bandwidth due to node E reaches predetermined value, residual memory space reaches predetermined value, charge does not reach charge threshold value, this node E is representation node.
Node F remaining bandwidth is 300Mbps, and pay imformation is 1 yuan, and residual memory space is 1GB, and node F distance node D is 50 kilometers.
Embodiment 1:
The film A transmitted is 3GB, and in the request of described content provider server, preferred ways of distribution is that expense is preferred.
Described dispatching device judges because the expense of node A has exceeded the charge threshold value of 3 yuan, therefore do not select to transmit film A from node A, the expense of Node B is not more than the charge threshold value of 3 yuan, therefore Node B is selected to be resource starting point, because the expense of node C and the expense of Node B are added the charge threshold value having exceeded 3 yuan, then do not select node C as the node in transmission path, although the expense of node E and node F all meets the requirements, but the size due to film A is 3GB, if comprise node F in a transmission path, then there will be the situation appearance that film A cannot back up on node F, therefore node F also can not be selected as the node in transmission path, the expense of node E and the expense of Node B are added the charge threshold value being less than 3 yuan, then select node E as the next-hop node of Node B.Wherein, before the Rule of judgment of node remaining space can be placed on all Rule of judgment, filtering part node, also can be placed in other Rule of judgment and carry out filtering.
Film A is while being transferred to node E by Node B, node E also saves the content of film A, and (now the residual memory space of this node E will reduce, upgrade the respective nodes information in node listing) simultaneously, when sending request by other nodes next time, this node E also can transmit multimedia resource as the starting point of resource to other nodes.
Transmission path is have selected according to the request of content provider server node, i.e. Node B-> node E-> node D by said method dispatching device.
Embodiment 2:
As an alternative embodiment of the invention, in this step, if preferred ways of distribution is that speed is preferred in the request of described content provider server, next considers geographical position, then:
Described dispatching device judges that the remaining bandwidth due to node A does not reach the bandwidth threshold value of 200Mbps, therefore do not select to transmit film A from node A, the remaining bandwidth of Node B is more than the bandwidth threshold value of 200Mbps, therefore Node B is selected to be resource starting point, the remaining bandwidth of node C, node E and node F has all exceeded bandwidth threshold value 200Mbps, then judge its geographical location information further, chosen distance recently and residual memory space more than the node of 3GB, after filtering, remaining node C is as the next-hop node of Node B.
Film A is while being transferred to node C by Node B, node C also saves the content of film A, and (now the residual memory space of this node E will reduce, upgrade the respective nodes information in node listing) simultaneously, when sending request by other nodes next time, this node C also can transmit multimedia resource as the starting point of resource to other nodes.
Transmission path is have selected according to the request of content provider server node, i.e. Node B-> node C-> node D by said method dispatching device.
Embodiment 3:
As an alternative embodiment of the invention, in this step, if preferred ways of distribution is that representation node is preferred in the request of described content provider server, then:
Described dispatching device judges because node A and representation node E does not have annexation, therefore do not select to transmit film A from node A, Node B and node E have annexation, therefore select Node B to be resource starting point, and after filtering, remaining node E is as the next-hop node of Node B.
Film A is while being transferred to node E by Node B, node E also saves the content of film A, and (now the residual memory space of this node E will reduce, upgrade the respective nodes information in node listing) simultaneously, when sending request by other nodes next time, this node E also can transmit multimedia resource as the starting point of resource to other nodes.
Transmission path is have selected according to the request of content provider server node, i.e. Node B-> node E-> node D by said method dispatching device.
Embodiment 4:
As an alternative embodiment of the invention, in this step, if all nodes in CHINA RFTCOM Co Ltd support peer to peer connection communication, in the request of described content provider server, preferred ways of distribution is that speed is preferred, then:
Described dispatching device judges because node A and Node B all have film A, node A and Node B can be selected to transmit film A to node D simultaneously, its interior joint A be responsible for by before film A 40% content send node D to, Node B is responsible for sending rear 60% content of film A to node D, before node A transmits to node D, the film A content of 40% just repeats no more, due to speed-priority after Node B, then the node E selecting the maximum and residual memory space of remaining bandwidth to meet the demands is as the next-hop node of Node B.
Film A is while being transferred to node E by Node B, after node E also saves film A 60% content (now the residual memory space of this node E will reduce, upgrade the respective nodes information in node listing) simultaneously, after film A now, the content of 60% is stored in node E, if but for node E, require film A too, then only need to send request to dispatching device, before the scheduling of dispatching device obtains film A from other nodes, the content of 40% can be merged into complete film A; Or when sending request by other nodes next time, after this node E also can transmit described film A as the starting point of resource to other nodes 60% content.
Transmission path is have selected according to the request of content provider server node by said method dispatching device, namely node A-> node D transmits front 40% content of film A, and Node B-> node E-> node D transmits rear 60% content of film A.
Step 307, all nodes in described dispatching device notice selecting paths, notify that all nodes send film A according to this path.
By the method and apparatus of above-described embodiment, different transmission routes can be generated according to the situation of various places content providing server in CHINA RFTCOM Co Ltd (media resource situation, server network situation etc.), thus improve the utilance of Internet resources, improve performance and the quality of network service; And each node is being given while certain node-node transmission again for other nodes provide service, internodal distribution of services is by the judgement to node close and server load, according to dynamic strategy United Dispatching in distribution of services system, realize the orderly parallel transmission mechanism of peer-to-peer network of first-selected optimal node, alleviate the pressure of central server, promote the performance of central server work; Simultaneously, avoid the bandwidth lose that peer-to-peer network transmission disordering is brought, because the state of each node is always all in monitoring, then can look for optimal node according to the current information of node thus achieve and realize GSLB, improve network performance, shorten delay and the subscriber response time of access to netwoks, improve service quality.
Technical staff in the related art will recognize that, embodiments of the invention have many possible amendments and combination, although form is slightly different, still adopts identical fundamental mechanism and method.In order to the object explained, aforementioned description with reference to several specific embodiment.But above-mentioned illustrative discussion is not intended to exhaustive or limits the precise forms of inventing herein.Above, many modifications and variations are possible.Selected and described embodiment, in order to explain principle of the present invention and practical application thereof, in order to the amendment for application-specific, the distortion that enable those skilled in the art utilize the present invention and each embodiment best.
Claims (10)
1. a peer node GSLB distribute media content method, is characterized in that comprising,
Generate the Resources list of node, described the Resources list at least comprises the media information that node has;
Generate node listing, described node listing at least comprises annexation, remaining bandwidth, pay imformation, the residual memory space of node;
According to the resource ID in the media content request that content provides node to send, inquire about the node that described the Resources list determines to have request media resource, determine according to the ways of distribution in described node listing and media content request the path that node-node transmission media content is provided to described content.
2. a kind of peer node GSLB distribute media content method according to claim 1, it is characterized in that, representation node mark is also comprised in described node listing, when the remaining bandwidth of node reach predetermined value, residual memory space reaches predetermined value, charge do not reach charge threshold value time, marking this node is representation node.
3. a kind of peer node GSLB distribute media content method according to claim 2, it is characterized in that, determine to provide the path of node-node transmission media content to comprise further to described content according to the ways of distribution in described node listing and media content request, according to the ways of distribution in described media content request, from a node with asked media resource, residual memory space is selected to meet described media resource, the remaining bandwidth of node reach bandwidth threshold value and the charge of this node lower than the node of charge threshold value as the next-hop node of transmission path.
4. a kind of peer node GSLB distribute media content method according to claim 2, it is characterized in that, determine to provide the path of node-node transmission media content to comprise further to described content according to the ways of distribution in described node listing and media content request, according to the ways of distribution in described media content request, from a plurality of nodes with asked media resource, residual memory space is selected to meet described media resource requirement, the remaining bandwidth of node reach bandwidth threshold value and the charge of this node lower than the node of charge threshold value as the next-hop node of transmission path, a part for each node all only transmission formation full media content of described beginning.
5. a kind of peer node GSLB distribute media content method according to claim 3 or 4, is characterized in that, if selectable next-hop node comprises representation node, then select this representation node to be next-hop node.
6. a kind of peer node GSLB distribute media content method according to claim 4, it is characterized in that, each node in the transmission path of described media content all stores the backup of institute's transmitting media content, and upgrades the Resources list of this node.
7. a peer node GSLB media content distribution system, is characterized in that comprising,
Resource management apparatus, node management device, dispatching device, a plurality of node;
Described resource management apparatus, for generating the Resources list of node, described the Resources list at least comprises the media information that node has;
Described node management device, for generating node listing, described node listing at least comprises annexation, remaining bandwidth, pay imformation, residual memory space, the geographical location information of node;
Described dispatching device, according to the resource ID in the media content request that content provides node to send, inquire about the node that described the Resources list determines to have request media resource, determine according to the ways of distribution in described node listing and media content request the path that node-node transmission media content is provided to described content.
8. a kind of peer node GSLB media content distribution system according to claim 7, it is characterized in that, described dispatching device is according to the ways of distribution in described media content request, from a node with asked media resource, select that residual memory space meets described media resource, the remaining bandwidth of node reaches bandwidth threshold value and the charge of this node lower than the node of charge threshold value as the next-hop node of transmission path.
9. a kind of peer node GSLB media content distribution system according to claim 7, it is characterized in that, described dispatching device is according to the ways of distribution in described media content request, from a plurality of nodes with asked media resource, select that residual memory space meets described media resource requirement, the remaining bandwidth of node reaches bandwidth threshold value and the charge of this node lower than the node of charge threshold value as the next-hop node of transmission path, each node of described beginning all only transmission forms a part for full media content.
10. a kind of peer node GSLB media content distribution system according to claim 9, it is characterized in that, each node in the transmission path of described media content all stores the backup of institute's transmitting media content, and upgrades the Resources list of this node.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105847140A (en) * | 2016-05-20 | 2016-08-10 | 乐视控股（北京）有限公司 | File distribution task generation method and system |
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