CN102571614B - Method and device for dynamically regulating routing of multistage-forwarding-based network video - Google Patents
Method and device for dynamically regulating routing of multistage-forwarding-based network video Download PDFInfo
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Abstract
The embodiment of the invention provides a method and a device for dynamically regulating the routing of a multistage-forwarding-based network video. The method comprises the following steps that: a video forwarding control server of a network node acquires a used uplink network bandwidth resource value between a next-stage network node belonging to the network node and the network node, and determines that a proportion value of the used uplink network bandwidth resource value to corresponding set uplink network bandwidth resources is lower than a set threshold value; and the video forwarding control server of the network node transmits the path information of a user browsing a video transmitted by the next-stage network node through the video forwarding control server to the next-stage network node, a video forwarding control server of the next-stage network node establishes a video transmission channel with the user, and transmits the video to the user through the established video transmission channel, and a video transmission channel between the video forwarding control server of the network node and the user is disabled. By the embodiment of the invention, a forwarding path for the network video can be automatically regulated according to the service conditions of bandwidth resources between the network nodes.
Description
Technical field
The present invention relates to Internet video applied technical field, relate in particular to a kind of method and apparatus that the route of the Internet video based on multi-level forwarding is carried out to dynamic adjustment.
Background technology
At present, monitoring remote video adopts the mode of configuration flow media cascade transmit to solve the network occupancy of video between two regions more, adopt and when network occupancy is high, can ensure that in this way user carries out basic video tour, but in the situation that network occupancy is low, adopting multistage Streaming Media to forward will affect the impression of user's browsing video.
Summary of the invention
Embodiments of the invention provide a kind of the route of the Internet video based on multi-level forwarding have been carried out to the dynamically method and apparatus of adjustment, to realize according to the service condition of the bandwidth resources between network node, automatically the forward-path of Internet video are adjusted.
The route of the Internet video based on multi-level forwarding is carried out to a method of dynamically adjusting, according to a plurality of other network nodes of level from top to bottom, carry out managing video resource, described method specifically comprises:
The video of steps A, network node forwards Control Server and obtains and belong to the uplink network bandwidth resources value of having used between the next stage network node of described network node and described network node, and the ratio value that the uplink network bandwidth resources value of having used described in determining accounts for the setting uplink network bandwidth resources of corresponding configuration is less than the threshold value of setting;
The video of step B, described network node forwards Control Server the routing information of browsing the user of the video that described undernet node sends over by it is sent to described undernet node, according to described user's routing information, at the video of described undernet node, forwards between Control Server and described user and sets up transmission of video passage;
The video of described undernet node forwards Control Server, by the described transmission of video passage of setting up, described video is sent to described user, and the video that disconnects described network node forwards the transmission of video passage between Control Server and described user.
The route of the Internet video based on multi-level forwarding is carried out to a system of dynamically adjusting, according to a plurality of other network nodes of level from top to bottom, carry out managing video resource, described system specifically comprises:
The video of network node forwards Control Server, for obtaining, belong to the uplink network bandwidth resources value of having used between the next stage network node of described network node and described network node, the ratio value that the uplink network bandwidth resources value of having used described in determining accounts for the setting uplink network bandwidth resources of corresponding configuration is less than the threshold value of setting; The routing information of browsing the user of the video that described undernet node sends over by it is sent to described undernet node, disconnect the transmission of video passage between described user;
The video of undernet node forwards Control Server, for forward the user's that Control Server sends over routing information according to the video of described network node, at the video of described undernet node, forward between Control Server and described user and set up transmission of video passage, by the described transmission of video passage of setting up, described video is sent to described user.
The technical scheme being provided by the embodiment of the invention described above can be found out, the method and system that the embodiment of the present invention provides can, according to the situation of change of the uplink bandwidth resource value of having used between network node and undernet node, be adjusted the forward-path of Internet video automatically.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
A kind of process chart that the route of the Internet video based on multi-level forwarding is carried out to the dynamic method of adjusting that Fig. 1 provides for the embodiment of the present invention one;
The video of user 1, user 2 and user 3 before a kind of route adjustment that Fig. 2 provides for the embodiment of the present invention two forwards route schematic diagram;
The video of user 1, user 2 and user 3 after a kind of route adjustment that Fig. 3 provides for the embodiment of the present invention two forwards route schematic diagram;
The video of user 1, user 2 and user 3 before a kind of route adjustment that Fig. 4 provides for the embodiment of the present invention three forwards route schematic diagram;
The video of user 1, user 2 and user 3 after a kind of route adjustment that Fig. 5 provides for the embodiment of the present invention three forwards route schematic diagram;
A kind of structure chart that the route of the Internet video based on multi-level forwarding is carried out to the dynamic system of adjusting that Fig. 6 provides for the embodiment of the present invention four.
Embodiment
For making object, technical scheme and the advantage of the embodiment of the present invention clearer, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
For ease of the understanding to the embodiment of the present invention, below in conjunction with accompanying drawing, take several specific embodiments and be further explained explanation as example, and each embodiment does not form the restriction to the embodiment of the present invention.
Embodiment mono-
A kind of handling process of the route of the Internet video based on multi-level forwarding being carried out to the method dynamically adjusted that this embodiment provides as shown in Figure 1, comprises following handling process:
The video of step 11, network node forwards Control Server and obtains and belong to the uplink network bandwidth resources value of having used between the next stage network node of described network node and described network node.
In embodiments of the present invention, according to other network nodes of a plurality of level from top to bottom, carry out managing video resource, above-mentioned other network nodes of a plurality of level from top to bottom comprise: unique primary network station node, and second level network node, third level network node are until the set a level network node.The quantity of above-mentioned second level network node, third level network node, setting level network node can be one or more, forms distributed, three-dimensional video resource management system.
On each network node, be provided with video and forward Control Server and memory, store the video resource that each network node utilizes Active Eyes to gather in this memory, this video resource is generally real-time monitor video.The user of high level network node end can browse the video on low-level network node, and the user of low-level network node end can not browse the video on same level or high level network node.Between network node and the upper level network node under it, all dispose and set uplink network bandwidth resources, between the network node of every two adjacent upper and lower levels, all dispose and set uplink network bandwidth resources.The video of above-mentioned primary network station node forwards Control Server the setting uplink network bandwidth resources of all configurations is preserved.
The video of undernet node forwards Control Server needs to calculate in real time undernet node to the uplink network bandwidth resources value of having used between the upper level network node under it, according to the time interval of setting, the above-mentioned uplink network bandwidth resources value of having used is reported to the video forwarding Control Server of the upper level network node under above-mentioned undernet node.The time interval of above-mentioned setting can be 1 minute, 5 minutes etc.
The video that the above-mentioned uplink network bandwidth resources value that Control Server reports each undernet node receiving of forwarding the video of above-mentioned upper level network node continues to report the upper level network node under above-mentioned upper level network node forwards Control Server, the rest may be inferred, by reporting layer by layer, until above-mentioned uplink network bandwidth resources value is reported to the video forwarding Control Server of above-mentioned primary network station node.
The uplink network bandwidth resources value that the video forwarding Control Server of above-mentioned primary network station node reports all undernet nodes that receive is preserved and upgrades.
There is the video forwarding Control Server of a plurality of users and network node to set up respectively transmission of video passage, described a plurality of user browses same video, and described same video is that video by the undernet node of described network node forwards Control Server and sends to described network node.The video of above-mentioned network node forwards Control Server and in described a plurality of users, chooses the designated user of setting quantity, described same video is transferred to the required uplink bandwidth resource taking of described network node from described undernet node and is multiplied by described setting quantity and adds and between the above undernet node and described network node, transmit the uplink bandwidth resource that other video outside described same video takies and obtain bandwidth change value, determine when ratio value that described bandwidth change value accounts for the setting uplink network bandwidth resources of corresponding configuration is less than the threshold value of setting.
The designated user of above-mentioned setting quantity can be all or part of user in above-mentioned a plurality of users.
When above-mentioned undernet node is when having comprised a plurality of network node on the path of upper network node, need to determine when ratio value that the bandwidth change value between each adjacent network node in above-mentioned a plurality of network node accounts for the setting uplink network bandwidth resources of corresponding configuration is less than the threshold value of setting.
The video of step 12, described network node forwards the routing information that Control Server obtains above-mentioned a plurality of users, video to described undernet node forwards the request of Control Server transmission routing forwarding, carries the routing information of the designated user of described setting quantity in this routing forwarding request.
After the video forwarding Control Server of described undernet node receives described routing forwarding request, according to setting up respectively transmission of video passage between described routing information and the designated user of described setting quantity.
The video of step 13, described undernet node forwards Control Server and described same video is sent to respectively to the designated user of described setting quantity by the described transmission of video passage of setting up, video forwarding Control Server transmission routing forwarding to described network node is replied, after the video of described network node forwards Control Server and receives described routing forwarding and reply, the video that disconnects described network node forwards the transmission of video passage between Control Server and described user.
Because the video on network node is generally the real-time video that network node collects by Active Eyes, this embodiment, by shortening hop count, can reduce the forward delay of real-time video.
Embodiment bis-
A kind of distributed, the three-dimensional video resource management system that this embodiment provides comprises: unique primary network station node, two two grade network nodes, three three-level network nodes, five SPInet-IV nodes.The setting uplink network bandwidth resources value configuring between all two grade network nodes and primary network station node is 20M, the setting uplink network bandwidth resources value configuring between all three-level network nodes and two grade network node is 10M, and the setting uplink network bandwidth resources value configuring between all SPInet-IV nodes and three-level network node is 5M.The video that the user of primary network station node browses on SPInet-IV node 2 need to take SPInet-IV node 2 to three-level network node 1, three-level network node 1 to two grade network node 1, two grade network node 1 to the bandwidth resources up and down between primary network station node.
User 1, user 2 and user 3 have set up transmission of video passage with the video forwarding Control Server of two grade network node 1, and user 1, user 2 and user 3 browse same video by above-mentioned transmission of video passage respectively.Above-mentioned same video is by the video of SPInet-IV node 2, to forward Control Server to send to the video of three-level network node 1 to forward Control Server, then by the video of three-level network node 1, forwards video that Control Server is transmitted to two grade network node 1 and forward Control Server.The video of user 1, user 2 and user 3 before a kind of route adjustment that this embodiment provides forwards route schematic diagram as shown in Figure 2.
The video of SPInet-IV node 1 forwards Control Server and calculates in real time SPInet-IV node 1 to the uplink network bandwidth resources value of having used between three-level network node 1, and the video that the above-mentioned uplink network bandwidth resources value of having used is reported to three-level network node 1 according to the time interval of setting forwards Control Server.The video of three-level network node 1 forwards Control Server and calculates in real time three-level network node 1 to the uplink network bandwidth resources value of having used between two grade network node 1, and the uplink network bandwidth resources value above-mentioned uplink network bandwidth resources value of having used and SPInet-IV node 1 being reported according to the time interval of setting reports the video forwarding Control Server of two grade network node 1.The video of two grade network node 1 forwards Control Server and calculates in real time two grade network node 1 to the uplink network bandwidth resources value of having used between primary network station node, and the uplink network bandwidth resources value above-mentioned uplink network bandwidth resources value of having used and three-level network node 1 being reported according to the time interval of setting reports the video forwarding Control Server of primary network station node.
It is 1M to the uplink network bandwidth resources value of having used between three-level network node 1 that the video forwarding Control Server of above-mentioned two grade network node obtains SPInet-IV node 2 according to the uplink network bandwidth resources value information of preserving, and three-level network node 1 is 4M to the uplink network bandwidth resources value of having used between two grade network node 1.The uplink network bandwidth resources that the video that above-mentioned user asks need to take are 1M.The bandwidth threshold value of setting is: 80%.
Between SPInet-IV node 1 and three-level network node 1, transmitting the uplink bandwidth resource that other video outside above-mentioned same video takies is 0.The video of above-mentioned two grade network node 1 forwards Control Server and described video is transferred to the quantity (3) that the required uplink bandwidth resource taking of three-level network node 1 (1M) is multiplied by described user from described SPInet-IV node 2 adds that the uplink bandwidth resource (0) that above-mentioned other video takies obtains bandwidth change value: 3 * 1+0=3M, and the ratio value that this bandwidth change value accounts for the setting uplink network bandwidth resources (5M) of configuration between SPInet-IV node 2 and three-level network node 1 is less than the threshold value of setting.
Between three-level network node 1 and two grade network node 1, transmitting the uplink bandwidth resource that other video outside above-mentioned same video takies is 4-1=3M.The video of above-mentioned two grade network node 1 forwards Control Server and described video is transferred to the quantity (3) that the required uplink bandwidth resource taking of two grade network node 1 (1M) is multiplied by described user from described three-level network node 1 adds that the uplink bandwidth resource (3M) that above-mentioned other video takies obtains bandwidth change value: 3 * 1+3=6 (M), and the ratio value that this bandwidth change value accounts for the setting uplink network bandwidth resources (10M) of configuration between three-level network node 1 and two grade network node 1 is less than the threshold value of setting.
So, the video of described two grade network node 1 forwards the routing information that Control Server obtains above-mentioned user 1, user 2 and user 3, video to described SPInet-IV node 2 forwards the request of Control Server transmission routing forwarding, carries described user 1, user 2 and user 3 routing information and the resource information of above-mentioned same video in this routing forwarding request.
After the video forwarding Control Server of described SPInet-IV node 2 receives described routing forwarding request, according to setting up respectively transmission of video passage between described routing information and described user 1, user 2 and user 3.
The video of described SPInet-IV node 1 forwards Control Server, by the described transmission of video passage of setting up, described same video is sent to respectively to described user 1, user 2 and user 3, video forwarding Control Server transmission routing forwarding to described two grade network node 1 is replied, after the video of two grade network node 1 forwards Control Server and receives described routing forwarding and reply, the video that disconnects two grade network node 1 forwards the transmission of video passage between Control Server and described user 1, user 2 and user 3.The video of user 1, user 2 and user 3 after route adjustment forwards route schematic diagram as shown in Figure 3.
Embodiment tri-
The ratio value that accounts for the setting uplink bandwidth resource configuring between described undernet node and the network node under it when the uplink bandwidth resource having used between subordinate's network node and the network node under it has surpassed the threshold value of setting, the video of described undernet node forwards Control Server and obtains the routing information of having set up a plurality of users of transmission of video passage with it, and described a plurality of users browse same video;
The video of described undernet node forwards Control Server to the video forwarding Control Server transmission routing forwarding request of described network node, the resource information of carrying described a plurality of users' routing information and described same video in this routing forwarding request; After the video forwarding Control Server of described network node receives described routing forwarding request, according to setting up respectively transmission of video passage between described routing information and described a plurality of user;
The video of described network node forwards Control Server, by the described transmission of video passage of setting up, described same video is sent to respectively to described a plurality of user, video forwarding Control Server transmission routing forwarding to described undernet node is replied, after the video of described undernet node forwards Control Server and receives described routing forwarding and reply, disconnect and described a plurality of user between transmission of video passage.
A kind of distributed, the three-dimensional video resource management system that this embodiment provides comprises: unique primary network station node, two two grade network nodes, four three-level network nodes.The setting uplink network bandwidth resources value configuring between all two grade network nodes and primary network station node is 10M, and the setting uplink network bandwidth resources value configuring between all three-level network nodes and two grade network node is 5M.The video that the user of primary network station node browses on three-level network node 2 need to take three-level network node 2 to two grade network node 1, two grade network node 1 to the bandwidth resources up and down between primary network station node.
User 1, user 2, user 3 and user 4 have set up transmission of video passage with the video forwarding Control Server of three-level network node 2, and user 1, user 2 and user 3 browse same video by above-mentioned transmission of video passage respectively.The video of user 1, user 2, user 3 and user 4 before a kind of route adjustment that this embodiment provides forwards route schematic diagram as shown in Figure 3.
It is 4M to the uplink network bandwidth resources value of having used between two grade network node 1 that the video forwarding Control Server of above-mentioned three-level network node 2 calculates three-level network node 2, and the uplink network bandwidth resources that above-mentioned same video need to take are 1M.The bandwidth threshold value of setting is: 80%.The setting uplink network bandwidth resources values (5M) that account for configuration to the uplink network bandwidth resources value (4M) of having used between two grade network node 1 due to three-level network node 2 equal above-mentioned bandwidth threshold value.So, the video of described three-level network node 2 forwards the routing information that Control Server obtains above-mentioned user 1, user 2 and user 3, video to described two grade network node 1 forwards the request of Control Server transmission routing forwarding, carries described user 1, user 2 and user 3 routing information and the resource information of above-mentioned same video in this routing forwarding request.
After the video forwarding Control Server of described two grade network node 1 receives described routing forwarding request, according to setting up respectively transmission of video passage between described routing information and described user 1, user 2 and user 3.The video of described two grade network node 1 forwards Control Server, by the described transmission of video passage of setting up, described same video is sent to respectively to described user 1, user 2 and user 3, video forwarding Control Server transmission routing forwarding to described three-level network node 2 is replied, after the video of three-level network node 2 forwards Control Server and receives described routing forwarding and reply, the video that disconnects three-level network node 2 forwards the transmission of video passage between Control Server and described user 1, user 2 and user 3.
The video of user 1, user 2, user 3 and user 4 after route adjustment forwards route schematic diagram as shown in Figure 4.After route is adjusted, three-level network node 2 drops to 2M to the uplink network bandwidth resources value of having used between two grade network node 1, and two grade network node 1 is constant to the uplink network bandwidth resources value of having used between primary network station node.
Embodiment tetra-
This embodiment provides a kind of system of dynamically adjusting that the route of the Internet video based on multi-level forwarding is carried out, and according to a plurality of other network nodes of level from top to bottom, carrys out managing video resource, and the concrete structure of described system as shown in Figure 6, comprising:
The video of network node forwards Control Server 61, for obtaining, belong to the uplink network bandwidth resources value of having used between the next stage network node of described network node and described network node, the ratio value that the uplink network bandwidth resources value of having used described in determining accounts for the setting uplink network bandwidth resources of corresponding configuration is less than the threshold value of setting; The routing information of browsing the user of the video that described undernet node sends over by it is sent to described undernet node, disconnect the transmission of video passage between described user;
The video of undernet node forwards Control Server 62, for forward the user's that Control Server sends over routing information according to the video of described network node, at the video of described undernet node, forward between Control Server and described user and set up transmission of video passage, by the described transmission of video passage of setting up, described video is sent to described user.
Concrete, the video of described network node forwards Control Server 61, also, for setting uplink network bandwidth resources at described next stage network node to configuration between described network node, the setting uplink network bandwidth resources of configuration is preserved; The video that receives and preserve described next stage network node forwards the uplink network bandwidth resources value of having used between described next stage network node that Control Server sends and described network node;
Obtain the routing information of having set up respectively a plurality of users of transmission of video passage with it, described a plurality of user browses same video, and described same video is by the video of the undernet node of described network node, to forward Control Server to send to described network node, chooses the designated user of setting quantity in described a plurality of users;
Described same video is transferred to the required uplink bandwidth resource taking of described network node from described undernet node and is multiplied by described setting quantity and adds and between the above undernet node and described network node, transmit the uplink bandwidth resource that other video takies and obtain bandwidth change value, determine that ratio value that described bandwidth change value accounts for the setting uplink network bandwidth resources that configure between described undernet node and described network node is less than the threshold value of setting.
Concrete, the video of described network node forwards Control Server 61, also for the video to described undernet node, forwards Control Server and sends routing forwarding request, carries the routing information of the designated user of described setting quantity in this routing forwarding request; The video that receives described undernet node forwards routing forwarding that Control Server sends reply after, disconnect and the designated user of described setting quantity between transmission of video passage;
Concrete, the video of described undernet node forwards Control Server 62, also for after receiving described routing forwarding request, according to setting up respectively transmission of video passage between described routing information and the designated user of described setting quantity; By the described transmission of video passage of setting up, described same video is sent to respectively to the designated user of described setting quantity, to the video forwarding Control Server transmission routing forwarding of described network node, reply.
Concrete, the video of described undernet node forwards Control Server 62, the ratio value that also accounts for the setting uplink bandwidth resource configuring between described undernet node and the network node under it for working as the uplink bandwidth resource having used between subordinate's network node and the network node under it has surpassed the threshold value of setting, obtain the routing information of having set up a plurality of users of transmission of video passage with it, described a plurality of user browses same video, the resource information of described same video and described a plurality of users' routing information is sent to described network node, transmission of video passage between disconnection and described a plurality of user,
Concrete, the video of described network node forwards Control Server 61, also, for according to setting up transmission of video passage between a plurality of users' of the video forwarding Control Server transmission of described undernet node routing information and described a plurality of user, by the described transmission of video passage of setting up, described same video is sent to respectively to described a plurality of user.
Concrete, the video of described undernet node forwards Control Server 62, also for the video to described network node, forward Control Server and send routing forwarding request, the resource information of carrying described a plurality of users' routing information and described same video in this routing forwarding request; The video that receives described network node forwards routing forwarding that Control Server sends reply after, disconnect and described a plurality of user between transmission of video logical;
Concrete, the video of described network node forwards Control Server 61, also for receiving after the video of described undernet node forwards the described routing forwarding request that Control Server sends, according to setting up respectively transmission of video passage between described routing information and described a plurality of user, by the described transmission of video passage of setting up, described same video is sent to respectively to described a plurality of user, to the video forwarding Control Server transmission routing forwarding of described undernet node, reply.
It is similar that the system of the application embodiment of the present invention is carried out detailed process and preceding method embodiment that the route of Internet video dynamically adjusts, repeats no more herein.
One of ordinary skill in the art will appreciate that all or part of flow process realizing in above-described embodiment method, to come the hardware that instruction is relevant to complete by computer program, described program can be stored in a computer read/write memory medium, this program, when carrying out, can comprise as the flow process of the embodiment of above-mentioned each side method.Wherein, described storage medium can be magnetic disc, CD, read-only store-memory body (Read-Only Memory, ROM) or random store-memory body (Random Access Memory, RAM) etc.
In sum, the method and system that the embodiment of the present invention provides can, according to the situation of change of the uplink bandwidth resource value of having used between network node and undernet node, be adjusted the forward-path of Internet video automatically.Make to switch to smoothly another kind of optimal mode from a kind of Internet video forward mode, to guarantee the reliability of Internet video forwarding and the equilibrium of efficiency.
When the embodiment of the present invention is relatively had more than needed at the uplink bandwidth resource of undernet node, principle based on hop count is minimum will dynamically be adjusted to the path of user's video by transmission of video channel transfer by network node, changes into by undernet node and passes through transmission of video channel transfer to user.
When the embodiment of the present invention can surpass predetermined threshold at the uplink bandwidth resource having used of undernet node, to by transmission of video channel transfer, to the path of user's video, dynamically be adjusted by undernet node, change into by network node and pass through transmission of video channel transfer to user.
The above; be only the present invention's embodiment preferably, but protection scope of the present invention is not limited to this, is anyly familiar with in technical scope that those skilled in the art disclose in the present invention; the variation that can expect easily or replacement, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claim.
Claims (6)
1. the route of the Internet video based on multi-level forwarding is carried out to a method of dynamically adjusting, it is characterized in that, according to a plurality of other network nodes of level from top to bottom, carry out managing video resource, described method specifically comprises:
The video of steps A, network node forwards Control Server and obtains and belong to the uplink network bandwidth resources value of having used between the next stage network node of described network node and described network node, and the ratio value that the uplink network bandwidth resources value of having used described in determining accounts for the setting uplink network bandwidth resources of corresponding configuration is less than the threshold value of setting;
The video of step B, described network node forwards Control Server the routing information of browsing the user of the video that described undernet node sends over by it is sent to described undernet node, according to described user's routing information, at the video of described undernet node, forwards between Control Server and described user and sets up transmission of video passage;
The video of described undernet node forwards Control Server, by the described transmission of video passage of setting up, described video is sent to described user, and the video that disconnects described network node forwards the transmission of video passage between Control Server and described user;
Step C, the ratio value that accounts for the setting uplink bandwidth resource configuring between described undernet node and the network node under it when the uplink bandwidth resource having used between subordinate's network node and the network node under it have surpassed the threshold value of setting, the video of described undernet node forwards Control Server and obtains the routing information of having set up a plurality of users of transmission of video passage with it, and described a plurality of users browse same video;
The video of step D, described undernet node forwards Control Server the resource information of described same video and described a plurality of users' routing information is sent to described network node, according to described a plurality of users' routing information, at the video of described network node, forwards between Control Server and described a plurality of user and sets up respectively transmission of video passage; The video of described network node forwards Control Server, by the described transmission of video passage of setting up, described same video is sent to respectively to described a plurality of user, and the video that disconnects described undernet node forwards the transmission of video passage between Control Server and described a plurality of user;
Further, described steps A specifically comprises:
At described next stage network node, to configuration between described network node, set uplink network bandwidth resources, the video that the setting uplink network bandwidth resources of configuration is kept to described network node forwards in Control Server;
The video of described next stage network node forwards Control Server and calculates the uplink network bandwidth resources value of having used between described next stage network node and described network node, and the video that the described uplink network bandwidth resources value of having used is reported to described network node according to the time interval of setting forwards Control Server;
The video of described network node forwards Control Server and obtains the routing information of having set up respectively a plurality of users of transmission of video passage with it, described a plurality of user browses same video, and described same video is by the video of the undernet node of described network node, to forward Control Server to send to described network node, chooses the designated user of setting quantity in described a plurality of users;
Described same video is transferred to the required uplink bandwidth resource taking of described network node from described undernet node and is multiplied by described setting quantity and adds and between the above undernet node and described network node, transmit the uplink bandwidth resource that other video takies and obtain bandwidth change value, determine that ratio value that described bandwidth change value accounts for the setting uplink network bandwidth resources that configure between described undernet node and described network node is less than the threshold value of setting.
2. method according to claim 1, is characterized in that, described step B comprises:
The video of described network node forwards Control Server to the video forwarding Control Server transmission routing forwarding request of described undernet node, carries the routing information of the designated user of described setting quantity in this routing forwarding request; After the video forwarding Control Server of described undernet node receives described routing forwarding request, according to setting up respectively transmission of video passage between described routing information and the designated user of described setting quantity;
The video of described undernet node forwards Control Server and described same video is sent to respectively to the designated user of described setting quantity by the described transmission of video passage of setting up, video forwarding Control Server transmission routing forwarding to described network node is replied, after the video of described network node forwards Control Server and receives described routing forwarding and reply, the video that disconnects described network node forwards the transmission of video passage between Control Server and the designated user of described setting quantity.
3. method according to claim 2, is characterized in that, described step D comprises:
The video of described undernet node forwards Control Server to the video forwarding Control Server transmission routing forwarding request of described network node, the resource information of carrying described a plurality of users' routing information and described same video in this routing forwarding request; After the video forwarding Control Server of described network node receives described routing forwarding request, according to setting up respectively transmission of video passage between described routing information and described a plurality of user;
The video of described network node forwards Control Server, by the described transmission of video passage of setting up, described same video is sent to respectively to described a plurality of user, video forwarding Control Server transmission routing forwarding to described undernet node is replied, after the video of described undernet node forwards Control Server and receives described routing forwarding and reply, disconnect and described a plurality of user between transmission of video passage.
4. the route of the Internet video based on multi-level forwarding is carried out to a system of dynamically adjusting, it is characterized in that, according to a plurality of other network nodes of level from top to bottom, carry out managing video resource, described system specifically comprises:
The video of network node forwards Control Server, for obtaining, belong to the uplink network bandwidth resources value of having used between the next stage network node of described network node and described network node, the ratio value that the uplink network bandwidth resources value of having used described in determining accounts for the setting uplink network bandwidth resources of corresponding configuration is less than the threshold value of setting; The routing information of browsing the user of the video that described undernet node sends over by it is sent to described undernet node, disconnect the transmission of video passage between described user;
The video of undernet node forwards Control Server, for forward the user's that Control Server sends over routing information according to the video of described network node, at the video of described undernet node, forward between Control Server and described user and set up transmission of video passage, by the described transmission of video passage of setting up, described video is sent to described user;
The video of described undernet node forwards Control Server, the ratio value that also accounts for the setting uplink bandwidth resource configuring between described undernet node and the network node under it for working as the uplink bandwidth resource having used between subordinate's network node and the network node under it has surpassed the threshold value of setting, obtain the routing information of having set up a plurality of users of transmission of video passage with it, described a plurality of user browses same video, the resource information of described same video and described a plurality of users' routing information is sent to described network node, transmission of video passage between disconnection and described a plurality of user,
The video of described network node forwards Control Server, also, for according to setting up transmission of video passage between a plurality of users' of the video forwarding Control Server transmission of described undernet node routing information and described a plurality of user, by the described transmission of video passage of setting up, described same video is sent to respectively to described a plurality of user;
Further, the video of described network node forwards Control Server, specifically for setting uplink network bandwidth resources at described next stage network node to configuration between described network node, the setting uplink network bandwidth resources of configuration is preserved; The video that receives and preserve described next stage network node forwards the uplink network bandwidth resources value of having used between described next stage network node that Control Server sends and described network node;
Obtain the routing information of having set up respectively a plurality of users of transmission of video passage with it, described a plurality of user browses same video, and described same video is by the video of the undernet node of described network node, to forward Control Server to send to described network node, chooses the designated user of setting quantity in described a plurality of users;
Described same video is transferred to the required uplink bandwidth resource taking of described network node from described undernet node and is multiplied by described setting quantity and adds and between the above undernet node and described network node, transmit the uplink bandwidth resource that other video takies and obtain bandwidth change value, determine that ratio value that described bandwidth change value accounts for the setting uplink network bandwidth resources that configure between described undernet node and described network node is less than the threshold value of setting.
5. system according to claim 4, is characterized in that:
The video of described network node forwards Control Server, also for the video to described undernet node, forwards Control Server and sends routing forwarding request, carries the routing information of the designated user of described setting quantity in this routing forwarding request; The video that receives described undernet node forwards routing forwarding that Control Server sends reply after, disconnect and the designated user of described setting quantity between transmission of video passage;
The video of described undernet node forwards Control Server, also for after receiving described routing forwarding request, according to setting up respectively transmission of video passage between described routing information and the designated user of described setting quantity; By the described transmission of video passage of setting up, described same video is sent to respectively to the designated user of described setting quantity, to the video forwarding Control Server transmission routing forwarding of described network node, reply.
6. system according to claim 5, is characterized in that:
The video of described undernet node forwards Control Server, also for the video to described network node, forward Control Server and send routing forwarding request, the resource information of carrying described a plurality of users' routing information and described same video in this routing forwarding request; The video that receives described network node forwards routing forwarding that Control Server sends reply after, disconnect and described a plurality of user between transmission of video passage;
The video of described network node forwards Control Server, also for receiving after the video of described undernet node forwards the described routing forwarding request that Control Server sends, according to setting up respectively transmission of video passage between described routing information and described a plurality of user, by the described transmission of video passage of setting up, described same video is sent to respectively to described a plurality of user, to the video forwarding Control Server transmission routing forwarding of described undernet node, reply.
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| CN1996933B (en) * | 2005-12-31 | 2010-08-11 | 华为技术有限公司 | Method for congestion control in the real time multicast service |
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| CN101252497A (en) * | 2008-04-01 | 2008-08-27 | 北京天瑞星际技术有限公司 | Mesh digital microwave communication system architecture and traffic transferring method |
| CN101540775A (en) * | 2009-04-30 | 2009-09-23 | 华为技术有限公司 | Method and device for distributing contents and network system for distributing contents |
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