CN105187518B - A kind of CDN content distribution method and system - Google Patents
A kind of CDN content distribution method and system Download PDFInfo
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- CN105187518B CN105187518B CN201510521977.2A CN201510521977A CN105187518B CN 105187518 B CN105187518 B CN 105187518B CN 201510521977 A CN201510521977 A CN 201510521977A CN 105187518 B CN105187518 B CN 105187518B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
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- H04L67/10—Protocols in which an application is distributed across nodes in the network
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Abstract
The invention discloses a kind of CDN content distribution method and system, dissemination system includes distribution master control；The distribution master control is communicated with multiple distribution source nodes；It further include multiple distribution levels；Each distribution level includes the distribution node that multiple network service qualities are in the same grade of service；Each distribution source node is communicated with all distribution nodes in the first distribution level；Each distribution node in first distribution level is communicated with all distribution nodes in the second distribution level, and so on；The multiple distribution level serves different user's physics regions, and the grade of service of upper distribution level network service quality is higher than the grade of service of current distribution level network service quality；The distribution node, that is, IDC computer room.The present invention can effectively improve content distribution speed, improve content and issue speed, can be presented to the user what be new in first time.
Description
Technical field
The present invention relates to a kind of CDN content distribution method and systems.
Background technique
CDN, that is, content distributing network.Its basic ideas is to avoid being possible to influence data transmission speed on internet as far as possible
Degree and stability bottleneck and link, make content transmission obtain faster, it is more stable.Within needed for obtaining user can nearby
Hold, solve the crowded situation of Internet network, improves the response speed that user accesses website.
IDC, that is, Internet data center is telecommunication department using existing internet communication route, bandwidth resources, is established
Standardized telecommunication field grade building environment provides trust server, rental and related increment etc. for enterprise, government
All-around service.
Self-built CDN system can rent a large amount of IDC, be used for storage content, provide service.It improves service quality, once
Distribution needs to distribute on content distribution to more IDC computer rooms, more servers as far as possible.And in quickly issuing
Hold, allows user that can watch content at the first time, distribution content that just must be as fast as possible.Due to the complexity and shakiness of network
Qualitative, content is too long in all IDC distribution deadline, influences the publication on-line time of content, quickly mentions to influence
For the ability of service.In CDN system, here it is a pair of contradictory bodies, to improve content distribution speed, can only reduce IDC computer room
Content distribution；It improves play quality, and must be distributed to content is as much as possible on each IDC computer room.Just think same
One video of sample, the CDN in more video websites start simultaneously at distribution, speed faster or slower, fast CDN that family's video website
One time showed on webpage, and user can watch at once, and slow CDN video website this may result in customer churn.
The explanation of nouns that the present invention uses：
Network service quality：It is a kind of abstract concept, for illustrating " good " degree of network service, frequently with handling up
The network performance parameters such as amount, error rate, end-to-end delay, delay jitter define network service quality.
Summary of the invention
The technical problem to be solved by the present invention is to, in view of the shortcomings of the prior art, provide a kind of CDN content distribution method and
System.
In order to solve the above technical problems, the technical scheme adopted by the invention is that：A kind of CDN content distribution method, the party
Method mainly realizes that process is as follows：According to the network service quality between user and the IDC computer room for servicing the user, to IDC computer room
It is ranked up according to the grade of service of network service quality, the IDC computer room of different user physics region will be served according to service
Grade is divided into multiple distribution levels from high to low；Wherein the first distribution level obtains distribution content, the second distributing layer from distribution source
Grade obtains distribution content from the first distribution level, and so on；When executing some content distribution task, the content distribution
Mission dispatching is completed to all IDC computer rooms of all distribution levels if all IDC computer rooms of a certain distribution level are distributed, then it is assumed that
The content distribution of the distribution level is completed, which is distributed to user for content；Similarly complete the interior of remaining distribution level
Hold distribution；When all distribution levels complete content distribution, which is completed.
According to IDC computer room operator and network coverage, at least one is distributed in level and belongs to same operation
The quotient and IDC computer room that can cover same user's physics region is divided into same grouping；Executing some content distribution task
When, when the content distribution mission dispatching to be equipped with the grouping distribution level when, if in some grouping of the distribution level
At least one IDC computer room content distribution is completed, then it is assumed that packet content distribution is completed, when all groupings of the distribution level
When content distribution is completed, then it is assumed that the content distribution of the distribution level is completed, which is distributed to user for content；Together
When, the IDC computer room in the grouping of content distribution is completed as all IDC computer rooms in the grouping, and content distribution service is provided.
The IDC computer room that 90% or more network service quality will be provided is divided into the first distribution level；85% can be provided to arrive
The IDC computer room of 89.9% network service quality is divided into the second distribution level；80% to 84.9% network service quality can be provided
IDC computer room is divided into third distribution level, and the IDC computer room lower than 80% network service quality is not considered.The layered approach can expire
The foot demand that CDN content is distributed in most cases, better ensures that network service quality.
The present invention also provides a kind of CDN content dissemination systems for realizing the above method, including distribution master control；The distribution
Master control is communicated with multiple distribution source nodes；It is characterized in that, further including multiple distribution levels；Each distribution level includes multiple nets
Network service quality is in the distribution node of the same grade of service；Each distribution source node distributes all points in level with first
Send out node communication；Each distribution node in first distribution level is communicated with all distribution nodes in the second distribution level, according to
This analogizes；The multiple distribution level serves different user's physics regions, and upper one distributes level network service quality
The grade of service is higher than the grade of service of current distribution level network service quality；The distribution node, that is, IDC computer room.
At least one distribution level includes multiple groupings, belongs to same operator including multiple in each grouping and can cover
Cover the distribution node of same user's physics region；For the distribution level including multiple groupings, when the distribution level is not most
When the latter distributes level, all nodes or all of level, next distribution level are distributed in each of which grouping with thereon one
Packet communication；When the distribution level is the last one distribution level, each of which grouping is all with thereon one distribution level
Node or all packet communications.Packet configuration is easier to realize system of the invention.
In the present invention, distributing layer number of stages is three layers；First distribution level includes that can provide 90% or more network service quality
IDC computer room；Second distribution level includes that can provide the IDC computer room of 85% to 89.9% network service quality；Third distributes level
Including the IDC computer room of 80% to 84.9% network service quality can be provided.The structure of three distribution levels is able to satisfy most feelings
The demand that CDN content is distributed under condition, better ensures that network service quality.
Compared with prior art, the advantageous effect of present invention is that：IDC computer room in CDN is divided into more by the present invention
A distribution level, distributing has level relation between level, and the second distribution level can only distribute content by the first distributing layer grade, the
One distribution level can only distribute content by distribution source, and so on；CDN content distribution requirements are met, it can be disposably by
Appearance is published to more IDC computer rooms, realizes quick, more parts, efficient distribution of CND content；Not only it ensure that network service quality, but also
Improve content publication speed；Same operator, the IDC computer room covered with user's physics region are put into same group, so that this hair
Bright method and system is easier to realize；Using dissemination system of the invention, content distribution speed and publication can be effectively improved
What be new can be presented to the user by speed in first time.
Detailed description of the invention
Fig. 1 is CDN content of embodiment of the present invention dissemination system structural schematic diagram.
Specific embodiment
The embodiment of the present invention according to IDC network coverage and network service quality, by all IDC computer rooms be divided into three layers or
Person is more, and every layer can have multiple groupings.First according to the network Service Quality between user and the IDC computer room for servicing the user
Amount sorts to IDC computer room, and the IDC computer room that will provide 90% or more network service quality is divided into the of user's physics region
One distribution level（I.e. first layer distributes IDC computer room）；The IDC computer room that 85% to 89.9% network service quality can be provided is divided into this
Second distribution level of user's physics region（The second layer distributes IDC computer room）；80% to 84.9% network service quality can be provided
IDC computer room is divided into the third distribution level of user's physics region（Third layer distributes IDC computer room）, it is lower than 80% network service
The IDC computer room of quality is not considered.Then the ranking according to each IDC computer room in different user physics region, by national IDC machine
Room is divided into three layers or more.Secondly according to IDC computer room operator and network coverage, each is distributed in level and is belonged to
In same operator, the IDC computer room that can cover same user's physics region is divided into same group.When content distribution,
Content distribution task will be issued to all IDC computer rooms, have an IDC computer room distribution to complete in grouping, that is, think that the grouping is all
IDC computer room is fully completed, which can provide content distribution service, while other do not distribute the IDC machine of completion in the grouping
Room will continue content distribution（IDC computer room by having completed content distribution provides content distribution service）；Distribute in level
All packet distributions are completed, then the distributing layer fraction is distributed into.
The embodiment of the present invention does not consider the IDC computer room lower than 80% network service quality.
As shown in Figure 1, Changsha telecommunications IDC and Hengyang telecommunications IDC can cover entire Hu ' nan Telecommunication user, and network service
90% or more, the two computer rooms are divided into the first distribution level first and are grouped quality by us.Foshan telecommunications IDC and Maoming electricity
Letter IDC can cover entire Guangzhou telecommunication user, and network service quality, 90% or more, the two computer rooms are divided by we
First distribution level second packet.Yueyang telecommunications IDC and Jingmen telecommunications IDC can cover entire Hu ' nan Telecommunication user, and network takes
For quality of being engaged in 85% to 89.9%, the two computer rooms are divided into first group of the second distribution level by us.The rest may be inferred, forms one
Network structure including distribution level, grouping.One task generation needs to be sent to all IDC computer rooms（Assuming that being 6）.This
When content distribution queue can generate 6 content distribution tasks, corresponding 6 computer rooms, 6 tasks are performed simultaneously, but only need the
All groupings are all distributed in place in one distribution level, i.e. Changsha telecommunications IDC or the one of completion content distribution of Hengyang telecommunications IDC
Task and the one of completion content distribution task of Foshan telecommunications IDC and Maoming telecommunications IDC, that is, think this content distribution
Task is fully completed in the first distribution level, and the first distribution level can be played with release tasks content, user.Content
While publication, in addition 4 tasks are still being executed, and before having executed all tasks, all Hu ' nan Telecommunication users are by
The Changsha telecommunications IDC or Hengyang telecommunications IDC of completion provide service, and all Guangzhou telecommunication users are by completed Foshan telecommunications IDC
Service is provided with Maoming telecommunications IDC.During other 4 task executions, as long as there is a distribution level to complete some
Content distribution task, which just provides service at once, to ensure that quick, more parts of CND content, efficient distribution.
Claims (4)
1. a kind of CDN content distribution method, which is characterized in that this method mainly realizes that process is as follows：It should according to user and service
Network service quality between the IDC computer room of user is ranked up IDC computer room according to the grade of service of network service quality,
The IDC computer room for serving different user physics region is divided into multiple distribution levels according to the grade of service from high to low；Wherein
One distribution level obtains distribution content from distribution source, and the second distribution level obtains distribution content from the first distribution level, according to this class
It pushes away；When executing some content distribution task, all IDC machines of the content distribution mission dispatching to all distribution levels
Room, if all IDC computer room distributions of a certain distribution level are completed, then it is assumed that the content distribution of the distribution level is completed, the distributing layer
Content is distributed to user by grade；Similarly complete the content distribution of remaining distribution level；When all distribution levels complete content distribution
When, which completes；According to IDC computer room operator and network coverage, at least one is distributed into level
In belong to same operator and the IDC computer room of same user's physics region can be covered and be divided into same grouping；Executing some
When content distribution task, when the content distribution mission dispatching to be equipped with the grouping distribution level when, if the distributing layer
Some of grade is grouped at least one interior IDC computer room content distribution and completes, then it is assumed that packet content distribution is completed, when the distribution
All packet contents of level are distributed when completing, then it is assumed that the content distribution of the distribution level is completed, and the distribution level is by content
It is distributed to user；Meanwhile the IDC computer room completed in the grouping of content distribution provides content for all IDC computer rooms in the grouping
Distribution service.
2. CDN content distribution method according to claim 1, which is characterized in that 90% or more network Service Quality will be provided
The IDC computer room of amount is divided into the first distribution level；The IDC computer room that 85% to 89.9% network service quality can be provided is divided into second
Distribute level；The IDC computer room that 80% to 84.9% network service quality can be provided is divided into third distribution level.
3. a kind of CDN content dissemination system, including distribution master control；The distribution master control is communicated with multiple distribution source nodes；It is special
Sign is, further includes multiple distribution levels；Each distribution level includes that multiple network service qualities are in the same grade of service
Distribution node；Each distribution source node is communicated with all distribution nodes in the first distribution level；In first distribution level
Each distribution node is communicated with all distribution nodes in the second distribution level, and so on；The multiple distribution level service
The grade of service in different user's physics regions, and upper distribution level network service quality is higher than current distribution hierarchical network
The grade of service of service quality；The distribution node, that is, IDC computer room；At least one distribution level includes multiple groupings, Mei Gefen
It include multiple distribution nodes for belonging to same operator and same user's physics region capable of being covered in group；For including multiple
The distribution level of grouping, when the distribution level be not the last one distribution level when, each of which grouping with a distributing layer thereon
All nodes or all packet communications of grade, next distribution level；When the distribution level is the last one distribution level,
All nodes or all packet communication of each grouping with thereon one distribution level.
4. CDN content dissemination system according to claim 3, which is characterized in that the distributing layer number of stages is three layers；The
One distribution level includes that can provide the IDC computer room of 90% or more network service quality；Second distribution level includes that can provide 85% to arrive
The IDC computer room of 89.9% network service quality；It includes that can provide the IDC of 80% to 84.9% network service quality that third, which distributes level,
Computer room.
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| CN106101195B (en) * | 2016-05-31 | 2020-03-13 | 北京奇艺世纪科技有限公司 | Data distribution method and device |
| CN109005224B (en) * | 2018-07-26 | 2021-10-22 | 中国建设银行股份有限公司 | Data distribution method and device |
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| CN1592248A (en) * | 2003-08-29 | 2005-03-09 | 华为技术有限公司 | Layered content distributing network and method thereof |
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| CN101325559A (en) * | 2008-07-28 | 2008-12-17 | 腾讯科技（深圳）有限公司 | Method for commending game room, system and game server |
| US8751605B1 (en) * | 2006-11-15 | 2014-06-10 | Conviva Inc. | Accounting for network traffic |
| CN104394441A (en) * | 2014-11-27 | 2015-03-04 | 北京奇艺世纪科技有限公司 | Video content distribution scheduling method, device and system |
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Patent Citations (5)
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| CN1592248A (en) * | 2003-08-29 | 2005-03-09 | 华为技术有限公司 | Layered content distributing network and method thereof |
| CN101146022A (en) * | 2006-09-11 | 2008-03-19 | 思华科技（上海）有限公司 | Node overlapping content distribution network |
| US8751605B1 (en) * | 2006-11-15 | 2014-06-10 | Conviva Inc. | Accounting for network traffic |
| CN101325559A (en) * | 2008-07-28 | 2008-12-17 | 腾讯科技（深圳）有限公司 | Method for commending game room, system and game server |
| CN104394441A (en) * | 2014-11-27 | 2015-03-04 | 北京奇艺世纪科技有限公司 | Video content distribution scheduling method, device and system |
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