CN100589546C - Content distribution policy processing method for interactive network TV - Google Patents
Content distribution policy processing method for interactive network TV Download PDFInfo
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- CN100589546C CN100589546C CN200610127465A CN200610127465A CN100589546C CN 100589546 C CN100589546 C CN 100589546C CN 200610127465 A CN200610127465 A CN 200610127465A CN 200610127465 A CN200610127465 A CN 200610127465A CN 100589546 C CN100589546 C CN 100589546C
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Abstract
The invention discloses a processing method of a content distribution strategy in an interactive network television, which comprises the following steps: setting a topological relationship among interdependent nodes, labeling the topological relationship and saving the labeled topological relationship; establishing a strategy template; selecting a node and applying the strategy template to the node; saving the strategy of each node to facilitate the reading and execution. The method greatly reduces the workload of a system operator and increases the work efficiency, so that the automation degree of the system is increased and the overall performance of the interactive network television is improved.
Description
Technical field
The present invention relates to a kind of stream media technology, specifically, relate to the processing method of content distribution policy in a kind of IPTV.
Background technology
IPTV (IPTV), be a kind ofly to utilize broadband cabled television network, integrate multiple technologies such as the Internet, multimedia, communication, be linked into broadband network with set-top box, with PC (PC) or television set is display terminal, and the brand-new technology of the multiple interactive services that comprises Digital Television is provided to the domestic consumer.
The characteristics of IPTV maximum are exactly to provide flexible and changeable television experience for the user, the user can select any one to go up the program of showing at electronic program list (EPG) according to the wish of oneself, and can be by selecting to watch the mode of film clips to confirm whether will order and watch this program, in the middle of the process of watching, can also optionally select the playing progress rate and the broadcasting speed of program according to the interest of oneself.
In IPTV, what provide service for the user is the cluster streaming media server, this manifold flow media server belongs to different service nodes, in order reasonably to utilize resource and the high speed effective service to be provided, just need between all Streaming Medias of each node and node, reach a kind of equilibrium to the request of different user.In addition, in IPTV, only belong on the streaming media server of Centroid and just can store all contents, and the storage area content of the streaming media server under other node.In case the streaming media server of user's request can not provide user institute requested service like this, the overall situation that will trigger in the IPTV is redirected or local redirection function, will prolong user request and the user time between obtaining serving like this, increase network pressure.If all do not store certain content on other nodes, the result is exactly that all user's services all concentrate on Centroid so, can bring the factors of instability to whole system.
In the prior art, the strategy that has had some contents to distribute comes the distribution of content situation between balanced each node, but these strategies need manual one by one the adding on each node of Systems Operator, and this just brings very big trouble to the Systems Operator.
Summary of the invention
Technical problem solved by the invention provides the processing method of content distribution policy in a kind of IPTV, has reduced Systems Operator's workload, has improved the automaticity of system.
Technical scheme is as follows:
The processing method of content distribution policy comprises the steps: in the IPTV
(1) interdependent node is provided with topological relation, and described topological relation is identified, preserve the topological relation after identifying;
(2) custom strategies template;
(3) select node, this policy template is applied on this node;
(4) strategy of each node is preserved, so that read and carry out;
Wherein, step (3) is specially the topological relation according to this node, strategy in the policy template is specialized, form the corresponding wall scroll strategy of node, destination node type according to the strategy setting, topological relation described in the finding step (1) finds then to all nodes that should node type, and the destination node of this strategy is set to described node respectively.
Further, in the step (1), the topological relation of interdependent node is relation at the same level, higher level or inferior relation; In the step (2), in the described policy template, the node object of strategy execution is set to the brother of node, superior node or downstream site.
Further, in the step (1), represent with 0, represent with 1, represent with 2 for downstream site for superior node for the brother of node.
Further, in the step (2), described policy template has unique numbering.
Further, in the step (2), the mode of custom strategies template comprises:
By Systems Operator's construction strategy template, strategy is added in the described policy template then; Perhaps by on the node that strategy was set, extracting the generation strategy template automatically.
Further, in the step (4), the processing method of the strategy stored comprised keep former strategy or upgrade former strategy.
Further, step (4) is specially:
(41) whether the strategy of judging the node of selecting is preserved;
(42) when not preserving, preserve the strategy of this node; When the node of selecting has existed, execution in step (43);
(43) select the tactful processing mode of this node;
(44) when needs cover original strategy, upgrade the strategy of this node; When not needing original strategy covered, the policy information that generates is abandoned.
Further, step (44) further comprises: the parameter granule size that is provided with of twice strategy relatively, upgrade or abandon with the size of parameter granularity.
Compare with prior art, the present invention no longer needs the Systems Operator every strategy must be added on each node one by one, but provide a kind of method of batch setting strategy for it, the Systems Operator directly is applied to policy template on each node, thereby significantly reduced Systems Operator's workload, improve operating efficiency, thereby improved the automaticity of system, strengthened the overall performance of IPTV.
Description of drawings
Fig. 1 is the topological schematic diagram of node;
Fig. 2 is a schematic flow sheet of the present invention.
Embodiment
In fact, the strategy set that adopts on the different nodes is identical basically, strategy is actual to be on a certain category node that is applied in all nodes, for example, select all superior nodes of node, we just can adopt abstract method so, extract applied each tactful general character, all construction of strategy are become a set, we are called policy template to this set, in policy template, the destination node of strategy is a certain category node that is abstracted into, rather than adopts certain concrete node mode.The Systems Operator just can directly be applied to policy template on each node like this, thereby has significantly reduced Systems Operator's workload, has improved operating efficiency.
With reference to the accompanying drawings the preferred embodiments of the present invention are described in detail.
As shown in Figure 1, the node that certain service provider is assigned to has node 1, node 2 ...., node 9.Node 1 is the Centroid of this service provider.For example, in interactive Web TV system, as node 1 operated by rotary motion of Centroid at the province center, node 2, node 3, node 4 operated by rotary motion are in city center that this province had jurisdiction over, in the area that node 5 to node 9 then is arranged on this city to be had jurisdiction over, each node distributes an IP address field corresponding with it, in case certain user request service, at first check the IP address field that this user is affiliated, search corresponding node then and provide service for it.
As shown in Figure 2, the processing method of content distribution policy is specific as follows in the IPTV:
(1) interdependent node is provided with topological relation, and described topological relation is identified, preserve the topological relation after identifying.
Step S201: create topological relation between node.
All nodes with service provider comprise node 1 ...., node 9 is provided with topological relation.Node 1 as Centroid as root node, the storage full content that this service provider had on it; Node 2, node 3, node 4 are the downstream site of node 1, and node 2, node 3, node 4 is the brother of node between mutually; Node 5, node 6 are the downstream site of node 2, and node 5, node 6 is the brother of node between mutually; Node 7, node 8, node 9 are the downstream site of node 4, and node 7, node 8, node 9 is the brother of node between mutually.
Step S202: this topology information is kept in the database.
During preservation, represent with 0 for the brother of node; Represent with 1 for superior node; Represent with 2 for downstream site.
(2) custom strategies template.
Step S203: system judges that the manual creation policy template still is automatic fetch strategy template.
When carrying out the manual creation policy template, execution in step S204; When carrying out automatic fetch strategy template, execution in step S205.
Step S204: manual creation policy template.
Mode for the manual creation policy template, construction strategy template name at first, and it is corresponding with this policy template to be generated as a unique number, the unique number here can serially add the date Hour Minute Second with fixing character and add the random number generation, for example can adopt the form of " plyt06071911455352 ", fixing character string is " plyt ", and " 060719114553 " is the date Hour Minute Second, and back two " 52 " are random numbers.Be association with this unique number then, in this policy template, add specific strategy, and in strategy was provided with, the selection of destination node can be subordinate that peer or superior node are kept at these information in the database at last.
Step S205: automatic fetch strategy template.
Mode for automatic fetch strategy template, at first select certain node policy configurations has been finished, be assumed to be node 2, according to the topological relation that is provided with among the step S201 destination node of the strategy on this node is abstracted into category node then, it is node 5 that the destination node that pushes away strategy down for example is set on node 2, the destination node of synchronized copy strategy is a node 3, and the brother of node that is node 2 after the policy template extraction is provided with the synchronized copy strategy so, and downstream site is provided with down and pushes away strategy.
Step S206: according to the uniqueness sign of this policy template, for example the policy template numbering is preserved each strategy and corresponding parameters in the set.
(3) select node, this policy template is applied on this node.
Step S207: will go on foot the policy template that generates and be applied on the concrete node.
Step S208:, destination node tactful in the policy template is converted into concrete node according to the topological relation that is provided with among the step S201.
The policy template that extracts is applied on the node 6, and the destination node of synchronized copy strategy is embodied as node 2 and node 3 so, and the destination node that pushes away is embodied as node 7, node 8, node 9 down.
(4) strategy that will specialize is kept in the database, so that read and carry out.
Step S209: whether the strategy of judging the node of selecting exists.
When not existing, execution in step S210; When existing, execution in step S211.
Step S210: when not preserving, the strategy of preserving this node is in the policy information table of database.
Step S211: when the strategy of selected node has existed, select the tactful processing mode of this node.
Step S212: when not needing original strategy covered, the policy information that generates is abandoned.
Step S213: when needs cover original strategy, upgrade the strategy of this node.
This policy information is updated in the policy information table.
For node 6, down pushed away strategy if the Systems Operator has been provided with by hand, and destination node is node 7, so can be as required, in database, can use substitute by newly-generated strategy original tactful; Perhaps this newly-generated strategy is abandoned, preserve original Systems Operator's setting.
Certainly, also can compare the parameter granule size that twice strategy is provided with, upgrade or abandon with the size of parameter granularity for node 6.
Claims (8)
1, the processing method of content distribution policy in a kind of IPTV comprises the steps:
(1) interdependent node is provided with topological relation, and described topological relation is identified, preserve the topological relation after identifying;
(2) custom strategies template;
(3) select node, this policy template is applied on this node;
(4) strategy of each node is preserved, so that read and carry out;
Wherein, step (3) is specially the topological relation according to this node, strategy in the policy template is specialized, form the corresponding wall scroll strategy of node, destination node type according to the strategy setting, topological relation described in the finding step (1) finds then to all nodes that should node type, and the destination node of this strategy is set to described node respectively.
2, the processing method of content distribution policy in the IPTV according to claim 1 is characterized in that, in the step (1), the topological relation of interdependent node is relation at the same level, higher level or inferior relation; In the step (2), in the described policy template, the node object of strategy execution is set to the brother of node, superior node or downstream site.
3, the processing method of content distribution policy in the IPTV according to claim 2 is characterized in that, in the step (1), represents with 0 for the brother of node, represents with 1 for superior node, represents with 2 for downstream site.
4, the processing method of content distribution policy in the IPTV according to claim 1 is characterized in that, in the step (2), described policy template has unique numbering.
5, the processing method of content distribution policy in the IPTV according to claim 1 is characterized in that, in the step (2), the mode of custom strategies template comprises:
By Systems Operator's construction strategy template, strategy is added in the described policy template then; Perhaps by on the node that strategy was set, extracting the generation strategy template automatically.
6, the processing method of content distribution policy in the IPTV according to claim 1 is characterized in that, in the step (4), the processing method of the strategy stored is comprised keep former strategy or upgrade former strategy.
7, the processing method of content distribution policy in the IPTV according to claim 6 is characterized in that, step (4) is specially:
(41) whether the strategy of judging the node of selecting is preserved;
(42) when not preserving, preserve the strategy of this node; When the node of selecting has existed, execution in step (43);
(43) select the tactful processing mode of this node;
(44) when needs cover original strategy, upgrade the strategy of this node; When not needing original strategy covered, the policy information that generates is abandoned.
8, the processing method of content distribution policy in the IPTV according to claim 7 is characterized in that, step (44) further comprises: the parameter granule size that is provided with of twice strategy relatively, upgrade or abandon with the size of parameter granularity.
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| CN200610127465A CN100589546C (en) | 2006-09-15 | 2006-09-15 | Content distribution policy processing method for interactive network TV |
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| CN200610127465A CN100589546C (en) | 2006-09-15 | 2006-09-15 | Content distribution policy processing method for interactive network TV |
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| JP2010128824A (en) * | 2008-11-27 | 2010-06-10 | Hitachi Software Eng Co Ltd | Client control system utilizing policy group identifier |
| CN105721527B (en) * | 2014-12-04 | 2019-03-01 | 金蝶软件（中国）有限公司 | A kind of data processing method and server |
| CN112839083B (en) * | 2020-12-30 | 2022-07-12 | 北京天融信网络安全技术有限公司 | Data transmission method and device and readable storage medium |
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