CN106302420A - A kind of content distribution network system and management method - Google Patents
A kind of content distribution network system and management method Download PDFInfo
- Publication number
- CN106302420A CN106302420A CN201610641780.7A CN201610641780A CN106302420A CN 106302420 A CN106302420 A CN 106302420A CN 201610641780 A CN201610641780 A CN 201610641780A CN 106302420 A CN106302420 A CN 106302420A
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- Prior art keywords
- gateway device
- request
- client
- address
- download
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
- H04L63/0823—Network architectures or network communication protocols for network security for authentication of entities using certificates
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/30—Managing network names, e.g. use of aliases or nicknames
- H04L61/3015—Name registration, generation or assignment
- H04L61/3025—Domain name generation or assignment
Abstract
The invention discloses a kind of content distribution network system and management method, content distribution network system includes: a plurality of gateway devices, each gateway device is respectively in order to store default data resource, gateway device is in order to monitor current using flow information and receive the download request that the client being connected with gateway device sends, the request of download includes the source address of client, and gateway device provides the corresponding data resource of client to be downloaded according to the request of download；Management server is in order to store the address of each gateway device and the request object corresponding with the data resource of address information, and monitor flow information and the positional information of each gateway device, management server is in order to resolve download request to obtain corresponding request object and source address, preset strategy is used to obtain the address of the gateway device associated with request object, choose the gateway device that the address closest with source address is corresponding, and the gateway device being connected to client corresponding for source address choose downloads request.
Description
Technical field
The present invention relates to the communications field, particularly relate to a kind of content distribution network system and management method.
Background technology
CDN(Content Delivery Network, content distributing network) can solve owing to the network bandwidth is little, Yong Hufang
The user that the amount of asking is big, the unequal reason of network point distribution is caused accesses the slow-footed problem of websites response, and the purpose of CDN is to pass through
In existing Internet(the Internet) one layer of new network architecture of middle increase, the content of website is published to closest to user's
Network " edge ", makes user can obtain required content nearby, solves the situation that Internet network is crowded, improve user
Access the response speed of website.But the CDN node that existing CDN service business needs is the most, consume resource, the width consumed
Band resource is many, and it is expensive to rent storage device lease expenses.
Summary of the invention
The problems referred to above existed for existing CDN technology, now provide a kind of broadband aiming at and reducing CDN service business
The content distribution network system of resource and management method.
Concrete technical scheme is as follows:
A kind of content distribution network system, including:
A plurality of gateway devices, each described gateway device is respectively in order to store default data resource, and described gateway device is used
With current the using flow information and receive the download request that the client being connected with described gateway device sends of monitoring, described
The request of download includes the source address of described client, and described gateway device downloads request and current described use according to described
Flow information distributes to the corresponding broadband of described client to provide described client to carry out the download of described data resource；
One management server, connects a plurality of described gateway device, and described management server sets in order to store each described gateway
Standby address and the request object corresponding with the described data resource of described address information, and monitor each described gateway device
Flow information and positional information, described management server is right in order to resolve described download request to obtain corresponding request
As and described source address, use preset strategy to obtain the described address of described gateway device associated with described request object, select
Take the described gateway device that the described address closest with described source address is corresponding, and by described visitor corresponding for described source address
The described gateway device that family end is connected to choose downloads request.
Preferably, the described request of downloading also includes the domain name that described request object is corresponding, described content distribution network system
Also include:
One name server, is connected between described client and described management server, in order to download in request described
Domain name carries out resolving the described destination address associated with acquisition with domain name, according to described destination address by described download
Request sends to described management server；
It is corresponding that described management server obtains the described data resource corresponding with described destination address according to described destination address
Described request object.
Preferably, the described data resource stored in described gateway device is for adding confidential information.
Preferably, described client is in order to be decrypted the described data resource received from described gateway device.
Preferably, described gateway device uses network address translation protocol to communicate with described client.
A kind of content distributing network management method, applies content distribution network system described above, comprises the steps:
What the monitoring of the most described gateway device was current uses flow information and receives the client being connected with described gateway device
The download request sent, the described request of downloading includes the source address of described client, and described gateway device please according to described download
Ask and current described use flow information distributes to the corresponding broadband of described client to provide described client to carry out institute
State the download of data resource；
Described download request is resolved to obtain corresponding request object and described source address by the most described management server,
Use preset strategy to obtain the described address of described gateway device associated with described request object, choose with described source address away from
From the described gateway device that nearest described address is corresponding, and be connected to described client corresponding for described source address to choose
Described gateway device downloads request.
Preferably, also include between described step S2 of execution: domain name server is to the described institute downloaded in request
State domain name to carry out resolving the described destination address associated with acquisition with domain name, please by described download according to described destination address
Ask transmission to described management server.
Preferably, the described data resource stored in described gateway device is for adding confidential information.
Preferably, described in described step S2 client in order to the described data received from described gateway device
Resource is decrypted.
Preferably, described gateway device uses network address translation protocol to communicate with described client.
The beneficial effect of technique scheme:
Content distribution network system, by the way of gateway device storage preset data resource, can make each gateway device make respectively
It is a CDN node, is managed utilizing idle gateway device to upload data message to gateway device by management server,
While saving broadband resource, reduce storage charges and use；
Content distributing network management method can support the content distribution network system management to broadband resource.
Accompanying drawing explanation
Fig. 1 is the module map of a kind of embodiment of content distribution network system of the present invention；
Fig. 2 is the method flow diagram of a kind of embodiment of content distributing network management method of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, those of ordinary skill in the art obtained on the premise of not making creative work all its
His embodiment, broadly falls into the scope of protection of the invention.
It should be noted that in the case of not conflicting, the embodiment in the present invention and the feature in embodiment can phases
Combination mutually.
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings, but not as limiting to the invention.
As it is shown in figure 1, a kind of content distribution network system, including:
A plurality of gateway devices 1, each gateway device 1 is respectively in order to store default data resource, and gateway device 1 is in order to monitor
Current uses flow information and receives the download request that the client being connected with gateway device 1 sends, and download request includes
The source address of client, it is corresponding that gateway device 1 distributes to client according to the request of downloading and current use flow information
Broadband carries out the download of data resource with offer client；
One management server 2, connects a plurality of gateway device 1, and management server 2 is in order to store the address of each gateway device 1
And the request object corresponding with the data resource of address information, and monitor flow information and the positional information of each gateway device 1,
Management server 2, in order to resolve download request to obtain corresponding request object and source address, uses preset strategy to obtain
The address of the gateway device 1 taken and ask object to associate, chooses gateway device corresponding to the address closest with source address 1,
And the gateway device 1 being connected to choose by client corresponding for source address downloads request.
Further, gateway device 1 can use BCM4708 chip.Gateway device 1 uses network address translation (Network
Address Translation, NAT) agreement communicates with client.
In the present embodiment, by the way of gateway device 1 stores preset data resource, each gateway device 1 point can be made
Not as a CDN node, by management server 2, gateway device 1 is managed, utilizes idle gateway device 1 to upload
Data message, while saving broadband resource, reduces storage charges and uses；Download client sent by preset strategy
Request carries out response and improves response speed, improves the experience effect of user simultaneously.
In a preferred embodiment, request of downloading also includes the domain name asking object corresponding, and content distribution network system is also
Including:
One name server, is connected between client and management server 2, in order to resolve the domain name in the request of downloading
The destination address associated with domain name with acquisition, sends download request to management server 2 according to destination address；
Management server 2 obtains, according to destination address, the request object that the data resource corresponding with destination address is corresponding.
In the present embodiment, gateway device 1 can connect a portable hard drive to store preset data resource by USB interface.
When in local gateway device 1, storage has the preset data resource downloaded in request that client sends, client can be direct
Corresponding data resource is downloaded from local gateway device 1；Client is had to send when local gateway device 1 does not store
When downloading the preset data resource of request correspondence, download request is sent to management server 2 by gateway device 1, management service
Download request is resolved to obtain corresponding gateway device 1 by device 2, this gateway device 1 send data resource to client
End.
In a preferred embodiment, the data resource stored in gateway device 1 is for adding confidential information；
Client is in order to be decrypted the data resource received from gateway device 1.
In the present embodiment, client needs the data resource to downloading to be decrypted.
As in figure 2 it is shown, a kind of content distributing network management method, apply content distribution network system described above, including
Following step:
What S1. gateway device monitoring was current uses flow information and receives under the client transmission being connected with gateway device
Carrying request, the request of download includes the source address of client, and gateway device is according to the request of downloading and current use flow information
Distribute to the corresponding broadband of client to provide client to carry out the download of data resource；
S2. download request is resolved to obtain corresponding request object and source address by management server, uses preset strategy
Obtain the address of the gateway device associated with request object, choose the gateway device that the address closest with source address is corresponding,
And client corresponding for source address is connected to the gateway device download request chosen.
In the present embodiment, by the way of gateway device storage preset data resource, can make each gateway device respectively
As a CDN node, by management server, gateway device is managed, utilizes idle gateway device to upload data letter
Breath, while saving broadband resource, reduces storage charges and uses；By preset strategy the download that client sends asked into
Row response improves response speed, improves the experience effect of user simultaneously.
In a preferred embodiment, also include between execution step S2: name server is to the domain name in the request of downloading
Carry out resolving the destination address associated with domain name with acquisition, according to destination address, download request is sent to managing server.
In the present embodiment, gateway device can connect a portable hard drive to store preset data resource by USB interface.When
When in local gateway device, storage has the preset data resource downloaded in request that client sends, client can be directly from this
The gateway device on ground downloads corresponding data resource；When the download not having storage to have client to send in local gateway device please
When seeking the preset data resource of correspondence, download request is sent to managing server by gateway device, by management server to download
Request carries out resolving to obtain corresponding gateway device, this gateway device send data resource to client.
In a preferred embodiment, the data resource stored in gateway device is for adding confidential information.
Client is in order to be decrypted the data resource received from gateway device in step s 2.
Gateway device uses network address translation protocol to communicate with client.
The foregoing is only preferred embodiment of the present invention, not thereby limit embodiments of the present invention and protection model
Enclose, to those skilled in the art, it should can appreciate that done by all utilization description of the invention and diagramatic content
Scheme obtained by equivalent and obvious change, all should be included in protection scope of the present invention.
Claims (10)
1. a content distribution network system, it is characterised in that including:
A plurality of gateway devices, each described gateway device is respectively in order to store default data resource, and described gateway device is used
With current the using flow information and receive the download request that the client being connected with described gateway device sends of monitoring, described
The request of download includes the source address of described client, and described gateway device downloads request and current described use according to described
Flow information distributes to the corresponding broadband of described client to provide described client to carry out the download of described data resource；
One management server, connects a plurality of described gateway device, and described management server sets in order to store each described gateway
Standby address and the request object corresponding with the described data resource of described address information, and monitor each described gateway device
Flow information and positional information, described management server is right in order to resolve described download request to obtain corresponding request
As and described source address, use preset strategy to obtain the described address of described gateway device associated with described request object, select
Take the described gateway device that the described address closest with described source address is corresponding, and by described visitor corresponding for described source address
The described gateway device that family end is connected to choose downloads request.
2. content distribution network system as claimed in claim 1, it is characterised in that described download request also includes described request
The domain name that object is corresponding, described content distribution network system also includes:
One name server, is connected between described client and described management server, in order to download in request described
Domain name carries out resolving the described destination address associated with acquisition with domain name, downloads request according to described destination address by described
Send to described management server；
It is corresponding that described management server obtains the described data resource corresponding with described destination address according to described destination address
Described request object.
3. content distribution network system as claimed in claim 1, it is characterised in that the described number of storage in described gateway device
According to resource for adding confidential information.
4. content distribution network system as claimed in claim 3, it is characterised in that described client is in order to from described gateway
The described data resource received in equipment is decrypted.
5. content distribution network system as claimed in claim 1, it is characterised in that described gateway device uses the network address to turn
Change agreement to communicate with described client.
6. a content distributing network management method, it is characterised in that application content distributing network as described in claim 1-5
System, comprises the steps:
What the monitoring of the most described gateway device was current uses flow information and receives the client being connected with described gateway device
The download request sent, the described request of downloading includes the source address of described client, and described gateway device please according to described download
Ask and current described use flow information distributes to the corresponding broadband of described client to provide described client to carry out institute
State the download of data resource；
Described download request is resolved to obtain corresponding request object and described source address by the most described management server,
Use preset strategy to obtain the described address of described gateway device associated with described request object, choose with described source address away from
From the described gateway device that nearest described address is corresponding, and be connected to described client corresponding for described source address to choose
Described gateway device downloads request.
7. content distributing network management method as claimed in claim 6, it is characterised in that between described step S2 of execution also
Including: domain name server resolves, to the described domain name downloaded in request, the described mesh associated with acquisition with domain name
Address, according to described destination address, the described request of downloading is sent to described management server.
8. content distributing network management method as claimed in claim 6, it is characterised in that the institute of storage in described gateway device
State data resource for adding confidential information.
9. content distributing network management method as claimed in claim 8, it is characterised in that client described in described step S2
End is in order to be decrypted the described data resource received from described gateway device.
10. content distributing network management method as claimed in claim 6, it is characterised in that described gateway device uses network
AARP communicates with described client.
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| CN201610641780.7A CN106302420A (en) | 2016-08-08 | 2016-08-08 | A kind of content distribution network system and management method |
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| CN201610641780.7A CN106302420A (en) | 2016-08-08 | 2016-08-08 | A kind of content distribution network system and management method |
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Cited By (2)
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| CN107181695A (en) * | 2017-07-28 | 2017-09-19 | 成都谛听科技股份有限公司 | Distributed caching method and device |
| CN110809130A (en) * | 2018-08-06 | 2020-02-18 | 杭州海康威视系统技术有限公司 | Method and apparatus for allocating storage devices |
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| CN105229624A (en) * | 2013-03-14 | 2016-01-06 | 麻省理工学院 | For realizing the method and apparatus of distributed content cache in content distributing network |
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Patent Citations (3)
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| CN102356616A (en) * | 2009-03-19 | 2012-02-15 | 瑞典爱立信有限公司 | Optimized redirection for network architectures |
| CN103210624A (en) * | 2010-09-17 | 2013-07-17 | 汤姆逊许可公司 | Method and system for determining identity/presence of a mobile device user for control and interaction in content distribution |
| CN105229624A (en) * | 2013-03-14 | 2016-01-06 | 麻省理工学院 | For realizing the method and apparatus of distributed content cache in content distributing network |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107181695A (en) * | 2017-07-28 | 2017-09-19 | 成都谛听科技股份有限公司 | Distributed caching method and device |
| CN110809130A (en) * | 2018-08-06 | 2020-02-18 | 杭州海康威视系统技术有限公司 | Method and apparatus for allocating storage devices |
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