CN105847183A - Bandwidth distribution method of content distribution network and bandwidth distribution system of content distribution network - Google Patents
Bandwidth distribution method of content distribution network and bandwidth distribution system of content distribution network Download PDFInfo
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- CN105847183A CN105847183A CN201610184233.0A CN201610184233A CN105847183A CN 105847183 A CN105847183 A CN 105847183A CN 201610184233 A CN201610184233 A CN 201610184233A CN 105847183 A CN105847183 A CN 105847183A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/70—Admission control; Resource allocation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/70—Admission control; Resource allocation
- H04L47/78—Architectures of resource allocation
- H04L47/781—Centralised allocation of resources
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/70—Admission control; Resource allocation
- H04L47/80—Actions related to the user profile or the type of traffic
- H04L47/805—QOS or priority aware
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/70—Admission control; Resource allocation
- H04L47/82—Miscellaneous aspects
- H04L47/821—Prioritising resource allocation or reservation requests
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The invention provides a bandwidth distribution method of a content distribution network. The bandwidth distribution method is characterized in that a request business type and a request bandwidth of an access request can be determined according an access request of a CDN node; the available bandwidth of the request business type can be determined according to a bandwidth available list, and the business type and the available bandwidth corresponding to the business type are stored in the bandwidth available list; when the request bandwidth does not exceed the available bandwidth, the request bandwidth is distributed for the CDN node; when the request bandwidth exceeds the available bandwidth, the distribution of the request bandwidth can be rejected. The invention also provides a bandwidth distribution system of a content distribution network. The bandwidth distribution aiming at different businesses in the whole content distribution network carried out by the network service provider can be realized, and therefore the bandwidth of the important business can be prevented from being occupied by the bandwidth of the second important business, and the sufficient bandwidth of the important business deployed by the network service provider can be guaranteed, and the user experience of the important client base can be guaranteed.
Description
Technical field
The present embodiments relate to Internet technical field, particularly relate to the band of a kind of content distributing network
Bandwidth allocation method and system.
Background technology
Along with developing rapidly of network information science and technology, the Consumer's Experience of network is required increasingly by people
Height, therefore network management becomes Virtual network operator and seizes the Critical policies in market.One of network management
Important content is exactly the distribution of the network bandwidth, and the distribution of the network bandwidth refers on network switching node,
The bandwidth resources that it is shared are controlled.
Control about bandwidth resources of the prior art and deployment, mainly to each new access service
Required flow judges, if remaining bandwidth resource is unsatisfactory for, then refuses new access service,
Thus ensure the service quality of access service.
There are the following problems in the above prior art:
On the one hand, the type of service that Virtual network operator provides is varied, and Virtual network operator is to promoting mainly
Service needed gives the distribution of more bandwidth, and the response for the access request about each business processes scarce
A weary priority, to such an extent as to when the access request of general business is more, for Virtual network operator master
The access request of push service may can not get process, have a strong impact on Virtual network operator the market operation and
Layout；
On the other hand, Virtual network operator defines the bandwidth resources of distribution in RSVP, but
It is to there is illegal robber chain person by amendment RSVP to steal more bandwidth resources.
Summary of the invention
The embodiment of the present invention provides bandwidth allocation methods and the system of a kind of content distributing network, in order to solve
At least one technical problem certainly illustrated in above-mentioned prior art.
On the one hand, the embodiment of the present invention provides the bandwidth allocation methods of a kind of content distributing network, wherein wraps
Include:
Access request according to CDN node determines requested service type and the request band of described access request
Wide；
The available bandwidth of described requested service type, described bandwidth available column is determined according to bandwidth freelist
Table storage has type of service and available bandwidth corresponding with type of service；
When described bandwidth on demand is less than described available bandwidth, distribute described request for described CDN node
Bandwidth；
When described bandwidth on demand exceedes described available bandwidth, refusal distributes described bandwidth on demand.
On the other hand, the embodiment of the present invention also provides for a kind of bandwidth distribution system for content distributing network,
Including:
Service bandwidth determines unit, for determining described access request according to the access request of CDN node
Requested service type and bandwidth on demand；
Available service bandwidth determines unit, for determining described requested service type according to bandwidth freelist
Available bandwidth, described bandwidth freelist storage has type of service and available band corresponding with type of service
Wide；
Service bandwidth allocation unit, for when described bandwidth on demand is less than described available bandwidth, for institute
State CDN node and distribute described bandwidth on demand, when described bandwidth on demand exceedes described available bandwidth, refusal
Distribute described bandwidth on demand.
The bandwidth allocation methods of the content distributing network provided by the embodiment of the present invention and system, first
Achieve Virtual network operator to distribute for the bandwidth of different business at content distribution the whole network, and avoid time weight
The business wanted seizes the bandwidth of important service, and the bandwidth of the important service that Logistics networks operator is disposed is filled
Foot；Furthermore, it is determined by the type of service corresponding to bandwidth request and then performs bandwidth request allocation band
Width, indirectly achieves the encryption to bandwidth request and decryption work, prevents lawless person from revising resource pre-
Stay the bandwidth request in agreement to require higher bandwidth, when parsing, bandwidth request not correspond to industry
During service type, ignore above-mentioned bandwidth request to ensure the Consumer's Experience of other normal users.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to reality
Execute the required accompanying drawing used in example or description of the prior art to be briefly described, it should be apparent that under,
Accompanying drawing during face describes is some embodiments of the present invention, for those of ordinary skill in the art,
On the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is illustrated that the flow process of the bandwidth allocation methods of the content distributing network of one embodiment of the invention
Figure；
Fig. 2 is illustrated that the structure of the bandwidth distribution system of the content distributing network of one embodiment of the invention
Schematic diagram.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below in conjunction with this
Accompanying drawing in bright embodiment, is clearly and completely described the technical scheme in the embodiment of the present invention,
Obviously, described embodiment is a part of embodiment of the present invention rather than whole embodiments.Based on
Embodiment in the present invention, those of ordinary skill in the art are obtained under not making creative work premise
The every other embodiment obtained, broadly falls into the scope of protection of the invention.
See the bandwidth allocation methods that Fig. 1 is illustrated that a kind of content distributing network of one embodiment of the invention
Flow chart, including:
S11: determine requested service type and the request band of access request according to the access request of CDN node
Wide；
S12: determine the available bandwidth of described requested service type according to bandwidth freelist, described bandwidth can
Type of service and available bandwidth corresponding with type of service is had with list storage；
S13: when described bandwidth on demand is less than described available bandwidth, for CDN node distribution request band
Wide；
S14: when bandwidth on demand exceedes available bandwidth, refusal distribution bandwidth on demand.
As further optimizing, when the access request determine CDN node does not comprise requested service type
Time, ignore above-mentioned access request.
By the bandwidth allocation methods of the content distributing network that the embodiment of the present invention provides, first achieve net
Network operator distributes fixed-bandwidth at content distribution the whole network for different business, and avoids secondary important industry
The bandwidth of important service is seized in business, and the bandwidth of the important service that Logistics networks operator is disposed is sufficient；Again
Person, is determined by the type of service corresponding to bandwidth request and then determines whether responsive bandwidth request distribution
Bandwidth, achieves the encryption to bandwidth request and decryption work indirectly, prevents lawless person from revising resource
Bandwidth request in reservation protocol, to require higher bandwidth, not correspond to when parsing in bandwidth request
During type of service, ignore above-mentioned bandwidth request to ensure the Consumer's Experience of other normal users.
As a kind of preferred embodiment of embodiment of the present invention method, described bandwidth freelist is by following step
Suddenly determine:
The occupied bandwidth of each type of service according to the whole network CDN node, determines the total of each type of service of the whole network
Occupied bandwidth；
According to the maximum traffic bandwidth distributed for each type of service of the whole network and determined by each type of service of the whole network
Total occupied bandwidth determine the available bandwidth of each type of service of the whole network；
Available bandwidth according to each type of service of the whole network determined generates described bandwidth freelist.
About this preferred embodiment, more specifically, can be that under periodic statistical content distributing network, the whole network is each
What the bandwidth on demand of individual CDN node and corresponding type of service determined each type of service of the whole network always takies band
Wide；And then, the maximum traffic bandwidth about the distribution of the whole network each type of service can be according to Virtual network operator pair
Degree that business is paid attention to and divide, such as Virtual network operator is at mobile phone business, network TV business, net
Pay attention to most between dish business mobile phone business, network TV business secondly, Dropbox business last, then can be
Can be mobile phone business reserved maximum bandwidth during bandwidth distribution, the bandwidth that network TV business distribution is lower slightly,
For the bandwidth that Dropbox traffic assignments is minimum；As further optimizing, distributed about each type of service
Maximum traffic bandwidth is can be adjusted correspondingly according to the demand of Virtual network operator.
As one optimization, the occupied bandwidth of each type of service of periodic detection the whole network CDN node is to update
Above-mentioned bandwidth freelist.
By embodiment of the present invention method, it is achieved that each correspond to the statistics of the occupied bandwidth of type of service,
Be conducive to the adjustment of the maximum traffic bandwidth of server type of service each to the whole network distribution；Further, logical
Cross regular update bandwidth freelist so that achieving Virtual network operator can periodically in real time can according to bandwidth
Maximum traffic bandwidth is disposed to meet the Operational Visit amount of current the whole network with list.
As a kind of preferred embodiment of embodiment of the present invention method, described access request includes for determining
The service feature parameter of described requested service type.
About being originally preferable to carry out method, more specifically, CDN node determines oneself required requested service
Type and bandwidth on demand, and then the service feature parameter that CDN node acquisition is corresponding with type of service, and
Above-mentioned service feature parameter and bandwidth on demand are added to access request；Access request can be URL stream
Amount, the key word information that service feature parameter is corresponding with type of service when needing, further about pass
Keyword information, needs are customized for each delineation of activities by Streaming Media operator, such as: our company
Mobile phone business correspond to custom parameter " splouid=1 ", the custom parameter that television services correspond to
" splouid=1 ", when CDN node is asked for the bandwidth on demand upwards stratum server transmission access of type of service
When asking, URL access request is added the key word information corresponding with type of service, is mobile phone industry
The URL of business adds the field of " splouid=1 "；More optimally, in the client of different service types
It is also configured with the key word information corresponding with type of service, when the access of CDN node process client please
When asking, type of service can be judged and as above-mentioned according to the key word in the access request that client is sent
Client distribution bandwidth resources；Such as: comprise in CDN node acquires the access request of client
There is the key word of " splouid=1 ", then can be to determine that above-mentioned client is the access request under mobile phone business,
And distribute correspondingly sized bandwidth resources for client.
By embodiment of the present invention method, compared to access request in prior art can only for amount of bandwidth,
Preferred embodiment of the present invention method achieve access request except for amount of bandwidth with can also be for band
The wide type of service being suitable for.
As a kind of preferred embodiment of embodiment of the present invention method, the access request according to CDN node is true
The requested service type determining access request includes:
Obtain the service feature parameter included in described access request, and according to described service feature parameter
Described requested service type is determined with described service parameter contingency table；
Described service parameter contingency table includes the mapping relations between type of service and service feature parameter.
About this preferred embodiment method, close more specifically, full content distributing network shares same business
Connection table.
By embodiment of the present invention method, resolve the service feature parameter determination access request in access request
The corresponding type of service corresponding to bandwidth on demand, compared to prior art, it is achieved that to bandwidth, institute is right
The definition of the business answered, it is achieved that the statistics to the bandwidth on demand of the whole network type of service, more convenient network is transported
Bandwidth resources are further disposed by battalion business；Further, it is net due to these service feature parameters
The self-defined setting of network operator, so generally other users do not know service feature parameter,
Therefore the bandwidth under content distributing network is distributed and also acts a certain degree of cipher round results.
In the application of preferred embodiment of the present invention method, embodiment of the present invention method can be applied at stream
Media service platform, gets Streaming Media link information when there is lawless person and attempts to revise bandwidth on demand
During to obtain more bandwidth resources, streaming media service platform can be by differentiating whether wrap in access request
Containing the service feature parameter relevant to type of service, when not including service feature parameter, the most permissible
For this access request source refusal distribution bandwidth, it is achieved that the protection to bandwidth resources.
As a kind of preferred embodiment of embodiment of the present invention method, in the access request according to CDN node
Also include after determining the type of service of access request and bandwidth on demand:
When receiving the bandwidth on demand relative to same requested service type that same CDN node is sent
When changing, it is weighted suing for peace to determine newly requested bandwidth by the described bandwidth on demand before and after change,
And ask a width of described same CDN node distribution bandwidth according to described new band.
It should be noted that, the change of the bandwidth on demand in this preferred embodiment is bigger change, permissible
It is interpreted as when the variable quantity of bandwidth on demand is higher than certain threshold value, the described request band before and after determining change
Width is weighted suing for peace to determine newly requested bandwidth, and asks a width of described same CDN according to described new band
Node distribution bandwidth.
About this preferred embodiment, more specifically, the bandwidth distribution log information of inquiry content distributing network,
Determine whether the bandwidth on demand relative to same requested service type that same CDN node is sent occurs
Change.It is weighted summation with the power determining newly requested bandwidth about by the described bandwidth on demand before and after change
Reassign, can be to give a suitable weighted value respectively, more preferably for the bandwidth on demand before and after changing
Ground should give the bandwidth on demand included in newly received access request more weighted value, such as: same
It is 0.3 that the bandwidth on demand of CDN node last time gives weighted value, and bandwidth on demand this time gives weight
Value is 0.7.
In the network operation of daily content distributing network, it will usually there is the situation of network fluctuation, therefore
The meeting of the bandwidth on demand included in access request that CDN node is sent is fluctuated, and passes through the present invention
Preferred embodiment method, it is achieved that when the bandwidth on demand in the access request that same CDN node is sent is sent out
During raw fluctuation, the bandwidth on demand corresponding to access request is done smoothing processing, divide for CDN node with guarantee
The bandwidth joined will not minimizing drastically or increase.
In the application on the one hand of embodiment of the present invention method, embodiment of the present invention method can be applied at net
In the central dispatching server of the disposed content distributing network of network operator.When applying at above-mentioned central dispatching
Time in server, it is achieved that the bandwidth about business of content distributing network the whole network is distributed, thus avoids
Time important business seizes the bandwidth of important service, the important service that Logistics networks operator is disposed
Bandwidth is sufficient.
See the structural representation that Fig. 2 is illustrated that a kind of content distribution network system of one embodiment of the invention
Figure, including:
Service bandwidth determines unit, for determining described access request according to the access request of CDN node
Requested service type and bandwidth on demand；
Available service bandwidth determines unit, for determining described requested service type according to bandwidth freelist
Available bandwidth, described bandwidth freelist storage has type of service and available band corresponding with type of service
Wide；
Service bandwidth allocation unit, for when described bandwidth on demand is less than described available bandwidth, for institute
State CDN node and distribute described bandwidth on demand, when described bandwidth on demand exceedes described available bandwidth, refusal
Distribute described bandwidth on demand.
By the bandwidth distribution system of the content distributing network that the embodiment of the present invention provides, first achieve net
Network operator distributes fixed-bandwidth at content distribution the whole network for different business, and avoids secondary important industry
The bandwidth of important service is seized in business, and the bandwidth of the important service that Logistics networks operator is disposed is sufficient；Again
Person, is determined by the type of service corresponding to bandwidth request and then determines whether responsive bandwidth request distribution band
Width, achieves the encryption to bandwidth request and decryption work indirectly, prevents lawless person from revising resource reservation
Bandwidth request in agreement, to require higher bandwidth, not correspond to service class when parsing in bandwidth request
During type, ignore above-mentioned bandwidth request to ensure the Consumer's Experience of other normal users.
As a kind of preferred embodiment of embodiment of the present invention system, described available service bandwidth determines unit
Including:
Taking service bandwidth and determine module, be used for each type of service according to the whole network CDN node takies band
Width, determines total occupied bandwidth of each type of service of the whole network；
Available service bandwidth determination module, for according to the maximum traffic band for the distribution of the whole network each type of service
Wide and determined by total occupied bandwidth of each type of service of the whole network determine the available band of each type of service of the whole network
Wide；
Bandwidth freelist generation module, raw for the available bandwidth according to each type of service of the whole network determined
Become described bandwidth freelist.
By embodiment of the present invention system, it is achieved that each correspond to the statistics of the occupied bandwidth of type of service,
Be conducive to the adjustment of the maximum traffic bandwidth of server type of service each to the whole network distribution；Further, logical
Cross regular update bandwidth freelist so that achieving Virtual network operator can periodically in real time can according to bandwidth
Maximum traffic bandwidth is disposed to meet the Operational Visit amount of current the whole network with list.
As a kind of preferred embodiment of embodiment of the present invention system, described access request includes for determining
The service feature parameter of described requested service type.
About this preferred embodiment system, more specifically, CDN node determines oneself required request industry
Service type and bandwidth on demand, and then the service feature parameter that CDN node acquisition is corresponding with type of service,
And above-mentioned service feature parameter and bandwidth on demand are added to access request；Access request can be URL
Flow, the key word information that service feature parameter is corresponding with type of service when needing, further about
Key word information, needs are customized for each delineation of activities by Streaming Media operator, such as: these public affairs
The mobile phone business of department correspond to custom parameter " splouid=1 ", the custom parameter that television services correspond to
" splouid=1 ", when CDN node is asked for the bandwidth on demand upwards stratum server transmission access of type of service
When asking, URL access request is added the key word information corresponding with type of service, is mobile phone industry
The URL of business adds the field of " splouid=1 ".More optimally, in the client of different service types
It is also configured with the key word information corresponding with type of service, when the access of CDN node process client please
When asking, type of service can be judged and as above-mentioned according to the key word in the access request that client is sent
Client distribution bandwidth resources；Such as: comprise in CDN node acquires the access request of client
There is the key word of " splouid=1 ", then can be to determine that above-mentioned client is the access request under mobile phone business,
And distribute correspondingly sized bandwidth resources for client.
By embodiment of the present invention system, compared to access request in prior art can only for amount of bandwidth,
Preferred embodiment of the present invention system achieve access request except for amount of bandwidth with can also be for band
The wide type of service being suitable for.
As a kind of preferred embodiment of embodiment of the present invention system, above-mentioned service bandwidth determines that unit includes:
Business determines module, for obtaining the service feature parameter included in described access request, and root
Described requested service type, described industry is determined according to described service feature parameter and described service parameter contingency table
Business parameter association table includes the mapping relations between type of service and service feature parameter.
About this preferred embodiment system, close more specifically, full content distributing network shares same business
Connection table.
By embodiment of the present invention system, resolve the service feature parameter determination access request in access request
The corresponding type of service corresponding to bandwidth on demand, compared to prior art, it is achieved that to bandwidth, institute is right
The definition of the business answered, it is achieved that the statistics to the bandwidth on demand of the whole network type of service, more convenient network is transported
Bandwidth resources are further disposed by battalion business；Further, it is net due to these service feature parameters
The self-defined setting of network operator, so generally other users do not know service feature parameter,
Therefore the bandwidth under content distributing network is distributed and also acts a certain degree of cipher round results.
On preferred embodiment of the present invention systematic difference, can be by embodiment of the present invention system building at stream
Media service platform, gets Streaming Media link information when there is lawless person and attempts to revise bandwidth on demand
During to obtain more bandwidth resources, streaming media service platform can be by differentiating whether wrap in access request
Containing the service feature parameter relevant to type of service, when not including service feature parameter, the most permissible
For this access request source refusal distribution bandwidth, it is achieved that the protection to bandwidth resources.
As a kind of preferred embodiment of embodiment of the present invention system, also include determining with described service bandwidth
What unit was connected seamlessly transits unit, for when receive that same CDN node sent relative to
When the bandwidth on demand of one requested service type changes, the described bandwidth on demand before and after change is added
Power summation is to determine newly requested bandwidth, and asks the distribution of a width of described same CDN node according to described new band
Bandwidth.
In the network operation of daily content distributing network, it will usually there is the situation of network fluctuation, therefore
The meeting of the bandwidth on demand included in access request that CDN node is sent is fluctuated, and passes through the present invention
Preferred embodiment system, it is achieved that when the bandwidth on demand in the access request that same CDN node is sent is sent out
During raw fluctuation, the bandwidth on demand corresponding to access request is done smoothing processing, to ensure content distributing network
Will not minimizing drastically or increase in the bandwidth distributed for CDN node.
The embodiment of the present invention can realize related function module and unit by hardware processor.
In the application on the one hand of embodiment of the present invention system, embodiment of the present invention system can be built at net
In the central dispatching server of the disposed content distributing network of network operator；When applying at above-mentioned central dispatching
Time in server, it is achieved that the bandwidth about business of content distributing network the whole network is distributed, thus avoids
Time important business seizes the bandwidth of important service, the important service that Logistics networks operator is disposed
Bandwidth is sufficient.
Device embodiment described above is only schematically, the list wherein illustrated as separating component
Unit can be or may not be physically separate, and the parts shown as unit can be or also
Can not be physical location, i.e. may be located at a place, or multiple NE can also be distributed to
On.Some or all of module therein can be selected according to the actual needs to realize the present embodiment scheme
Purpose.Those of ordinary skill in the art, in the case of not paying performing creative labour, are i.e. appreciated that
And implement.
Through the above description of the embodiments, those skilled in the art is it can be understood that arrive each reality
The mode of executing can add the mode of required general hardware platform by software and realize, naturally it is also possible to by firmly
Part.Based on such understanding, the portion that prior art is contributed by technique scheme the most in other words
Dividing and can embody with the form of software product, this computer software product can be stored in computer can
Read in storage medium, such as ROM/RAM, magnetic disc, CD etc., including some instructions with so that one
Computer equipment (can be personal computer, server, or the network equipment etc.) performs each to be implemented
The method described in some part of example or embodiment.
Last it is noted that above example is only in order to illustrate technical scheme, rather than to it
Limit；Although the present invention being described in detail with reference to previous embodiment, the ordinary skill of this area
Personnel it is understood that the technical scheme described in foregoing embodiments still can be modified by it, or
Person carries out equivalent to wherein portion of techniques feature；And these amendments or replacement, do not make corresponding skill
The essence of art scheme departs from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a bandwidth allocation methods for content distributing network, including:
Access request according to CDN node determines requested service type and the request band of described access request
Wide；
The available bandwidth of described requested service type, described bandwidth available column is determined according to bandwidth freelist
Table storage has type of service and available bandwidth corresponding with type of service；
When described bandwidth on demand is less than described available bandwidth, distribute described request for described CDN node
Bandwidth；
When described bandwidth on demand exceedes described available bandwidth, refusal distributes described bandwidth on demand.
Method the most according to claim 1, wherein, described bandwidth freelist is true by following steps
Fixed:
The occupied bandwidth of each type of service according to the whole network CDN node, determines the total of each type of service of the whole network
Occupied bandwidth；
According to the maximum traffic bandwidth distributed for each type of service of the whole network and determined by each type of service of the whole network
Total occupied bandwidth determine the available bandwidth of each type of service of the whole network；
Available bandwidth according to each type of service of the whole network determined generates described bandwidth freelist.
Method the most according to claim 2, wherein, described access request includes for determining described
The service feature parameter of requested service type.
Method the most according to claim 1, wherein, determines according to the access request of CDN node
The requested service type of described access request includes:
Obtain the service feature parameter included in described access request, and according to described service feature parameter
Described requested service type is determined with described service parameter contingency table；
Described service parameter contingency table includes the mapping relations between type of service and service feature parameter.
5. according to the method described in any one of claim 1-4, wherein, described according to CDN node
Access request determine the requested service type of described access request and bandwidth on demand after also include:
When receiving the bandwidth on demand relative to same requested service type that same CDN node is sent
When changing, it is weighted suing for peace to determine newly requested bandwidth by the described bandwidth on demand before and after change,
And ask a width of described same CDN node distribution bandwidth according to described new band.
6. for a bandwidth distribution system for content distributing network, including:
Service bandwidth determines unit, for determining described access request according to the access request of CDN node
Requested service type and bandwidth on demand；
Available service bandwidth determines unit, for determining described requested service type according to bandwidth freelist
Available bandwidth, described bandwidth freelist storage has type of service and available band corresponding with type of service
Wide；
Service bandwidth allocation unit, for when described bandwidth on demand is less than described available bandwidth, for institute
State CDN node and distribute described bandwidth on demand, when described bandwidth on demand exceedes described available bandwidth, refusal
Distribute described bandwidth on demand.
System the most according to claim 6, wherein, described available service bandwidth determines that unit includes:
Taking service bandwidth and determine module, be used for each type of service according to the whole network CDN node takies band
Width, determines total occupied bandwidth of each type of service of the whole network；
Available service bandwidth determination module, for according to the maximum traffic band for the distribution of the whole network each type of service
Wide and determined by total occupied bandwidth of each type of service of the whole network determine the available band of each type of service of the whole network
Wide；
Bandwidth freelist generation module, raw for the available bandwidth according to each type of service of the whole network determined
Become described bandwidth freelist.
System the most according to claim 6, wherein, described access request includes for determining described
The service feature parameter of requested service type.
System the most according to claim 8, wherein, service bandwidth determines that unit includes:
Business determines module, for obtaining the service feature parameter included in described access request, and root
Described requested service type, described industry is determined according to described service feature parameter and described service parameter contingency table
Business parameter association table includes the mapping relations between type of service and service feature parameter.
10. according to the system described in any one of claim 6-9, wherein, also include and described business band
Width determines that what unit was connected seamlessly transits unit, for when receive the phase that same CDN node is sent
When changing for the bandwidth on demand of same requested service type, by the described bandwidth on demand before and after change
It is weighted suing for peace to determine newly requested bandwidth, and asks a width of described same CDN joint according to described new band
Point distribution bandwidth.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108259363A (en) * | 2016-12-29 | 2018-07-06 | 中国移动通信集团公司 | A kind of method and device of staged service traffics control |
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| CN108259363A (en) * | 2016-12-29 | 2018-07-06 | 中国移动通信集团公司 | A kind of method and device of staged service traffics control |
| CN110493047A (en) * | 2018-02-27 | 2019-11-22 | 贵州白山云科技股份有限公司 | A kind of method and system distributing CDN network interior joint server bandwidth |
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| CN113301445A (en) * | 2020-06-16 | 2021-08-24 | 阿里巴巴集团控股有限公司 | Address allocation method and device for content distribution network |
| CN114844949A (en) * | 2021-02-02 | 2022-08-02 | 北京金山云网络技术有限公司 | Service scheduling method, device, equipment and storage medium |
| CN114844949B (en) * | 2021-02-02 | 2023-10-27 | 北京金山云网络技术有限公司 | Service scheduling method, device, equipment and storage medium |
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