CN106549987A - The method of cache contents, apparatus and system in a kind of mobile network's decision-making CDN - Google Patents
The method of cache contents, apparatus and system in a kind of mobile network's decision-making CDN Download PDFInfo
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- CN106549987A CN106549987A CN201510594062.4A CN201510594062A CN106549987A CN 106549987 A CN106549987 A CN 106549987A CN 201510594062 A CN201510594062 A CN 201510594062A CN 106549987 A CN106549987 A CN 106549987A
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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
- H04L67/50—Network services
- H04L67/56—Provisioning of proxy services
- H04L67/568—Storing data temporarily at an intermediate stage, e.g. caching
- H04L67/5681—Pre-fetching or pre-delivering data based on network characteristics
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/231—Content storage operation, e.g. caching movies for short term storage, replicating data over plural servers, prioritizing data for deletion
-
- 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
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1097—Protocols in which an application is distributed across nodes in the network for distributed storage of data in networks, e.g. transport arrangements for network file system [NFS], storage area networks [SAN] or network attached storage [NAS]
-
- 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
- H04L67/50—Network services
- H04L67/60—Scheduling or organising the servicing of application requests, e.g. requests for application data transmissions using the analysis and optimisation of the required network resources
- H04L67/61—Scheduling or organising the servicing of application requests, e.g. requests for application data transmissions using the analysis and optimisation of the required network resources taking into account QoS or priority requirements
Abstract
The invention discloses the method for cache contents, apparatus and system in a kind of mobile network's decision-making CDN, are related to mobile communication technology field, its system includes：Statistic device, the service traffics of content and service quality for returning in response to mobile terminal content requests to source station are counted；Cache decision device, for according to the statistics, whether content described in decision-making needs to be cached；Cache contents device, for when content described in decision-making needs caching, notifying that CDN is obtained from source station and cached the content；Cache contents device is obtained, for, after the content is cached, according to the new content request of the mobile terminal of mobile gateway forwarding, returning the content of its caching.Invention increases the staining effect after caching can carry out new decision-making, Step wise approximation optimum cache policy using history and newest feedback information to traffic analysis device, traffic analysis device by feedback mechanism.
Description
Technical field
The present invention relates to mobile communication technology field, the side of cache contents in especially a kind of mobile network's decision-making CDN
Method, apparatus and system.
Background technology
CDN (Content Delivery Network, content distributing network) is the contracting in order to share source station load
The technology of short network path length.CDN can be disposed in mobile network to improve user's access speed, and is subtracted
The interconnection costs of few operator.It is routed to accounting of the flow of CDN in total flow bigger, then effect
Better, income is bigger.But the buffer memory capacity of CDN is limited, it is therefore desirable to which decision-making is cached in which
Hold, Income Maximum.
The method of existing decision-making cache contents is as follows：
By predefining form information, (publication number 103685551A " updates the method and dress of CDN cache files
Put ") specifying cache contents；
By flowing through the flow of CDN come decision-making cache contents (8,799,480 B2 of US), this needs will be all
Flow is first oriented to CDN；
Content service condition information of forecasting is provided to CDN by external entity, which caches for decision-making
Content (publication number CN101911687A " method and apparatus for distributing content ").
The content of the invention
It is an object of the invention to provide in a kind of mobile network's decision-making CDN the method for cache contents, device and being
System, solves the problems, such as that the buffer memory capacity of CDN in prior art is limited.
According to an aspect of the invention, there is provided in a kind of mobile network's decision-making CDN cache contents method,
Comprise the following steps：
The service traffics and Service Quality of the content that mobile gateway is returned in response to mobile terminal content requests to source station
Amount is counted；
The statistics is reported traffic analysis device by the mobile gateway, so as to the service traffics point
Whether parser content according to the statistics decision-making needs to be cached；
After the mobile gateway receives the cache responses of CDN, according to the new content request of mobile terminal from institute
The cache contents of the CDN are obtained and are forwarded in stating CDN；
Wherein, the CDN refers to content distributing network.
Preferably, it is described CDN is received when the mobile gateway cache responses after, according to the new of mobile terminal
Content requests obtain and forward the cache contents of the CDN to include：
After the mobile gateway receives the cache responses of CDN, the mobile gateway receives mobile terminal and sends
New content request；
The mobile gateway determines the mobile terminal new content according to the url included in the new content request
When whether the content of request is consistent with the cache contents in CDN；
When it is determined that the content of the mobile terminal new content request is consistent with the cache contents in CDN, the shifting
Dynamic gateway is obtained from the CDN and forwards the cache contents of the CDN.
According to a further aspect in the invention, there is provided a kind of method of cache contents in mobile network's decision-making CDN,
Including the following steps that traffic analysis device is performed：
Traffic analysis device is received and responds mobile terminal content requests to source station according to what mobile gateway sent
And the service traffics and the statistics of service quality of the content for returning, whether content described in decision-making need to be delayed
Deposit；
When content described in decision-making needs caching, the traffic analysis device notifies that CDN is obtained simultaneously from source station
Cache the content.
Preferably, the statistics that the traffic analysis device is received and sent according to mobile gateway, decision-making
Whether mobile gateway needs to carry out caching to include to the content that source station is returned in response to mobile terminal content requests：
The statistics is compared by the traffic analysis device with statistical threshold scope, interior described in decision-making
Whether appearance needs to be cached；
When the statistics exceedes statistical threshold scope, content described in the traffic analysis device decision-making is needed
Cache.
Preferably, the traffic analysis device notifies CDN from source station when content described in decision-making needs caching
Middle acquisition simultaneously caches the content and includes：
When content described in the traffic analysis device decision-making needs caching, send comprising caching to the CDN
The cache request of content url；
The CDN obtains and caches the content from source station according to the cache contents url in cache request,
And the cache contents url is sent to into the mobile gateway.
Preferably, also including the cache contents deleted in the CDN, which specifically includes：
The mobile gateway is transmitted to cache contents after the mobile terminal, newly interior to CDN response mobile terminals
The service traffics and service quality of the content held request and return newly are counted；
The new statistics of service traffics and service quality is reported traffic analysis device by the mobile gateway；
The new statistics and statistical threshold scope are compared by the traffic analysis device, described in decision-making
Whether content needs is deleted；
When the statistics is less than statistical threshold scope, traffic analysis device decision-making is by the CDN
In cache contents delete.
According to a further aspect in the invention, there is provided the device of cache contents in a kind of mobile network's decision-making CDN,
Including：
Statistical module, the business of content source station returned in response to mobile terminal content requests for mobile gateway
Flow and service quality are counted；
The statistics is reported traffic analysis device for the mobile gateway by reporting module, so as to
Whether traffic analysis device content according to the statistics decision-making needs to be cached；
Obtain and forwarding module, for receiving when the mobile gateway after cache responses of CDN, according to movement
The new content request of terminal is obtained from the CDN and forwards the cache contents of the CDN.
According to a further aspect in the invention, there is provided the device of cache contents in a kind of mobile network's decision-making CDN,
Including：
Decision-making module, receives for traffic analysis device and source station response is moved according to what mobile gateway sent
Terminal content is asked and the service traffics and the statistics of service quality of the content of return, and content described in decision-making is
No needs are cached；
Cache module is notified, for the traffic analysis device when content described in decision-making needs caching, is notified
CDN is obtained from source station and is cached the content.
According to a further aspect in the invention, there is provided the system of cache contents in a kind of mobile network's decision-making CDN,
Including：
Statistic device, the service traffics kimonos of the content for returning in response to mobile terminal content requests to source station
Business quality is counted；
Cache decision device, for according to the statistics, whether content described in decision-making needs to be cached；
Cache contents device, for when content described in decision-making needs caching, notifying that CDN is obtained simultaneously from source station
Cache the content；
Cache contents device is obtained, for after the content is cached, according to the mobile terminal of mobile gateway forwarding
New content request, return its caching content.
Preferably, also include for deleting the deletion cache contents unit of the cache contents in the CDN, its bag
Include：
Statistic unit, is transmitted to cache contents after the mobile terminal, to CDN for the mobile gateway
The service traffics and service quality of the content returned in response to mobile terminal new content request are newly counted；
The new statistics of service traffics and service quality is reported industry for the mobile gateway by reporting unit
Business NetStream Data Analyzer；
The new statistics and statistical threshold scope are carried out by decision package for the traffic analysis device
Compare, whether content described in decision-making needs to be deleted；
Delete unit, for when the statistics be less than statistical threshold scope when, the traffic analysis device
Cache contents in the CDN are deleted by decision-making.
Compared with prior art, the beneficial effects of the present invention is：
Invention increases feedback mechanism, can be anti-by the effect (shunt ratio, service quality etc.) after caching
Feed cache contents decision package (traffic analysis device), cache contents decision package utilizes history and newest
Feedback information carries out new decision-making, Step wise approximation optimum cache policy.
Description of the drawings
Fig. 1 is that the method for cache contents in a kind of mobile network's decision-making CDN provided in an embodiment of the present invention is first-class
Cheng Tu；
Fig. 2 is the method second of cache contents in a kind of mobile network's decision-making CDN provided in an embodiment of the present invention
Cheng Tu；
Fig. 3 is that the device first of cache contents in a kind of mobile network's decision-making CDN provided in an embodiment of the present invention shows
It is intended to；
Fig. 4 is that the device second of cache contents in a kind of mobile network's decision-making CDN provided in an embodiment of the present invention shows
It is intended to；
Fig. 5 is that the system of cache contents in a kind of mobile network's decision-making CDN provided in an embodiment of the present invention is illustrated
Figure；
Fig. 6 is mobile gateway, traffic analysis device and the CDN closed-loop control that first embodiment of the invention is provided
Figure；
Fig. 7 is mobile gateway, traffic analysis device and the CDN closed-loop control that second embodiment of the invention is provided
Figure；
Fig. 8 is mobile gateway, traffic analysis device and the CDN closed-loop control that third embodiment of the invention is provided
Figure；
Fig. 9 is the closed-loop control flow chart of cache decision when user provided in an embodiment of the present invention accesses website；
Figure 10 is the closed-loop control flow chart that decision-making is deleted when user provided in an embodiment of the present invention accesses website.
Specific embodiment
Below in conjunction with accompanying drawing to a preferred embodiment of the present invention will be described in detail, it will be appreciated that described below
Preferred embodiment be merely to illustrate and explain the present invention, be not intended to limit the present invention.
Fig. 1 shows the method for cache contents in a kind of mobile network's decision-making CDN provided in an embodiment of the present invention
One flow chart, as shown in figure 1, the following steps performed including mobile gateway：
Step S101：The Business Stream of the content that mobile gateway is returned in response to mobile terminal content requests to source station
Amount and service quality are counted；
Step S102：The statistics is reported traffic analysis device by the mobile gateway, with toilet
State whether traffic analysis device content according to the statistics decision-making needs to be cached；
Step S103：After the mobile gateway receives the cache responses of CDN, according to the new of mobile terminal
Content requests are obtained from the CDN and forward the cache contents of the CDN.
Wherein, it is described CDN is received when the mobile gateway cache responses after, according to mobile terminal it is new in
Hold acquisition request and forward the cache contents of the CDN to include：When the mobile gateway receives the caching of CDN
After response, the mobile gateway receives the new content request that mobile terminal sends；The mobile gateway is according to described
The url included in new content request, determine the content of the mobile terminal new content request whether with CDN in
When cache contents are consistent；When it is determined that cache contents one in content and the CDN of the mobile terminal new content request
During cause, the mobile gateway is obtained from the CDN and forwards the cache contents of the CDN.
Fig. 2 shows the method for cache contents in a kind of mobile network's decision-making CDN provided in an embodiment of the present invention
One flow chart, as shown in Fig. 2 the following steps performed including traffic analysis device：
Step S201：Traffic analysis device receives and movement is responded to source station eventually according to what mobile gateway sent
End content requests and the service traffics of content that return and the statistics of service quality, described in decision-making, whether content
Needs are cached；
Step S202：The traffic analysis device when content described in decision-making need caching when, notify CDN from
The content is obtained and is cached in source station.
Wherein, the statistics that the traffic analysis device is received and sent according to mobile gateway, decision-making movement
Whether gateway needs to carry out caching to include to the content that source station is returned in response to mobile terminal content requests：The industry
The statistics is compared by business NetStream Data Analyzer with statistical threshold scope, and whether content described in decision-making needs
Cached；When the statistics exceedes statistical threshold scope, described in the traffic analysis device decision-making
Content needs caching.The traffic analysis device notifies CDN from source when content described in decision-making needs caching
The content is obtained and cached in standing to be included：When content described in the traffic analysis device decision-making needs caching
When, the cache request comprising cache contents url is sent to the CDN；The CDN is according in cache request
Cache contents url, obtains and caches the content from source station, and the cache contents url is sent to institute
State mobile gateway.
Present invention additionally comprises deleting the cache contents in the CDN, which specifically includes：The mobile gateway will be slow
Deposit after content is transmitted to the mobile terminal, the content returned in response to mobile terminal new content request by CDN
Service traffics and service quality are newly counted；The mobile gateway is by service traffics and the new statistics of service quality
As a result report traffic analysis device；The traffic analysis device is by the new statistics and statistical threshold
Scope is compared, and whether content described in decision-making needs is deleted；When the statistics is less than statistical threshold
During scope, the cache contents in the CDN are deleted by traffic analysis device decision-making.
In sum, in mobile network decision-making CDN of the invention, the method for cache contents includes：
1st, the service traffics and service quality of the content returned in response to mobile terminal content requests to source station are carried out
Statistics；
2nd, according to the statistics, whether content described in decision-making needs to be cached；
3rd, when content described in decision-making needs caching, notify that CDN is obtained from source station and cached the content；
4th, after the content is cached, according to the new content request of the mobile terminal of mobile gateway forwarding, return
The content of its caching.
Fig. 3 shows the device of cache contents in a kind of mobile network's decision-making CDN provided in an embodiment of the present invention
One schematic diagram, as shown in Fig. 2 including：Statistical module 201, it is mobile to source station response eventually for mobile gateway
End content requests and the service traffics of content and service quality that return are counted；Reporting module 202, is used for
The statistics is reported traffic analysis device by the mobile gateway, so as to the traffic analysis device
Whether the content according to the statistics decision-making needs to be cached；Obtain and forwarding module 203, be used for
After the mobile gateway receives the cache responses of CDN, according to the new content request of mobile terminal from described
The cache contents of the CDN are obtained and are forwarded in CDN.
Fig. 4 shows the device of cache contents in a kind of mobile network's decision-making CDN provided in an embodiment of the present invention
Two schematic diagrames, as shown in figure 4, including：Decision-making module 401, receives for traffic analysis device and basis
The service traffics of the content returned in response to mobile terminal content requests by source station that mobile gateway sends and service
Whether the statistics of quality, content described in decision-making need to be cached；Cache module 402 is notified, for institute
Traffic analysis device is stated when content described in decision-making needs caching, notifies that CDN is obtained from source station and cached institute
State content.
Fig. 5 shows that the system of cache contents in a kind of mobile network's decision-making CDN provided in an embodiment of the present invention is shown
It is intended to, as shown in figure 5, including：Statistic device 501, for source station in response to mobile terminal content requests
The service traffics and service quality of the content of return are counted；Cache decision device 502, for according to described
Whether statistics, content described in decision-making need to be cached；Cache contents device 503, for when decision-making institute
State content need caching when, notify CDN obtain from source station and cache the content；Obtain cache contents device
504, for, after the content is cached, according to the new content request of the mobile terminal of mobile gateway forwarding, returning
Return the content of its caching.
Wherein, the cache decision device 502 includes：Comparing unit, for the mobile gateway by Business Stream
The statistics of amount and service quality reports traffic analysis device, and the traffic analysis device is by institute
State statistics to compare with statistical threshold scope, whether content described in decision-making needs is cached；Caching is determined
Plan unit, for when the statistics exceed statistical threshold scope when, the traffic analysis device decision-making institute
Stating content needs caching.The cache contents device 503 includes：Cache contents request unit is sent, for working as
When content described in the traffic analysis device decision-making needs caching, send comprising cache contents to the CDN
The cache request of url；Cache contents unit, for the CDN according to the cache contents url in cache request,
The content is obtained and is cached from source station, and the cache contents url is sent to into the mobile gateway.Institute
Stating acquisition cache contents device 504 includes：Receiving unit, for after the caching content, mobile network
Close the new content request for receiving that mobile terminal sends；Determining unit, for the mobile gateway according to it is described it is new in
Hold the url that includes in request, determine the content of the mobile terminal new content request whether with CDN in caching
When content is consistent；Obtain cache contents unit, for when determine the content of the mobile terminal new content request with
When cache contents in CDN are consistent, mobile terminal new content request is transmitted to the CDN by the mobile gateway,
Cache contents are sent to into the mobile terminal by which.
Present invention additionally comprises the deletion cache contents unit for deleting the cache contents in the CDN, its bag
Include：Statistic unit, is transmitted to cache contents after the mobile terminal, to CDN for the mobile gateway
The service traffics and service quality of the content returned in response to mobile terminal new content request are newly counted；Report
The new statistics of service traffics and service quality is reported service traffics point for the mobile gateway by unit
Parser；The new statistics and statistical threshold scope are entered by decision package for the traffic analysis device
Row is compared, and whether content described in decision-making needs to be deleted；Unit is deleted, for being less than when the statistics
During statistical threshold scope, the cache contents in the CDN are deleted by traffic analysis device decision-making.
Enforcements of 6 to the Figure 10 to technical scheme below in conjunction with the accompanying drawings is described in further detail：
In mobile network, by mobile gateway, traffic analysis device, CDN three closed loop feedback,
More effectively dynamic decision CDN cache contents.Above three module can combine configuration, it is also possible to configured separate.
Fig. 6 shows mobile gateway, traffic analysis device and the CDN closed loops that first embodiment of the invention is provided
Control figure, as shown in fig. 6, the situation that mobile gateway, traffic analysis device and CDN are all independently arranged, its
Middle content analyser can be integrated in UBAS (User Behavior Analysis System, user behavior point
Analysis system) in.Each interelement interface specification is as follows：Data-interface between mobile terminal and mobile gateway
T101, for transmitting the user service data between mobile terminal and mobile gateway；Between mobile gateway and CDN
Data-interface T102, for transmitting user's request and CDN that mobile gateway sent to CDN to mobile gateway
What is sent is data cached；Data-interface T103 of the content source (such as website) and mobile gateway between, for passing
Pass the user service data between content source and mobile gateway；Data of the content source (such as website) and CDN between
Interface T104, for transmitting the business datum that CDN is obtained from content source；Mobile gateway and traffic analysis
Signaling interface S101 between device, reports the letter of analyzer care for mobile gateway to traffic analysis device
Breath (such as service traffics, shunt ratio, service quality etc.)；Signaling between traffic analysis device and CDN
Interface S102, sends caching/removal request to CDN for traffic analysis device, and CDN is to Business Stream
Contents analyzer notices cache contents；Signaling interface S103 between CDN and mobile gateway, for CDN to shifting
Dynamic gateway notices cache contents.
Fig. 7 shows mobile gateway, traffic analysis device and the CDN closed loops that second embodiment of the invention is provided
Control figure, as shown in fig. 7, traffic analysis device is built in mobile gateway, mobile gateway is made caching and is determined
Plan, and ask CDN to be cached, as traffic analysis device and mobile gateway are in identity element, therefore
Between S101 interfaces it is actual be internal interface, in figure omit.Other each interelement interface specifications are as follows：
Data-interface T101 between mobile terminal and mobile gateway, for transmitting between mobile terminal and mobile gateway
User service data；Data-interface T102 between mobile gateway and CDN, for transmit mobile gateway to
CDN send user's request and CDN to mobile gateway send it is data cached；Content source (such as website) and shifting
Data-interface T103 between dynamic gateway, for transmitting the user service data between content source and mobile gateway；
Data-interface T104 of the content source (such as website) and CDN between, for transmitting what CDN was obtained from content source
Business datum；Signaling interface S102 between the built-in traffic analysis device of mobile gateway and CDN, is used for
Traffic analysis device sends caching/removal request to CDN, and CDN delays to the notice of traffic analysis device
Deposit content；Signaling interface S103 between CDN and mobile gateway, caches to mobile gateway notice for CDN
Content.
Fig. 8 shows mobile gateway, traffic analysis device and the CDN closed loops that third embodiment of the invention is provided
Control figure, as shown in figure 8, traffic analysis device, CDN are built in mobile gateway, closed-loop control is in net
Complete inside pipe.As traffic analysis device, CDN are built in mobile gateway, thus between S101,
It is internal interface that S102, S103, T102 interface is actual, is omitted in figure；T104 and T103 shares movement net
Close and the data channel between content source.Other each interelement interface specifications are as follows：Mobile terminal and mobile network
Data-interface T101 between pass, for transmitting the user service data between mobile terminal and mobile gateway；
Data-interface T103 of the content source (such as website) and mobile gateway between, for transmitting content source and mobile network
User service data between pass；Data between the built-in CDN of content source (such as website) and mobile gateway connect
Mouth T104, for transmitting the business datum that CDN is obtained from content source.
The closed-loop control flow process of cache decision when Fig. 9 shows that user provided in an embodiment of the present invention accesses website
Figure, as shown in figure 9, comprising the following steps：
Step 901, mobile gateway receive the http content requests of mobile terminal, and mobile gateway is identified please
Url in asking is the url of concern, analyzes its type of service and counts in corresponding access count.
In step 902, mobile gateway forwarding step 901, content requests are to corresponding source station (also referred to as content
Source).
Step 903, mobile gateway receive the content response that source station is returned according to content requests.
Service traffics and service quality in content response are counted by step 904, mobile gateway.
The content response received in step 903 is transmitted to mobile terminal by step 905, mobile gateway.
Step 906, mobile gateway are by information reportings such as the service traffics for counting on and service quality to Business Stream
Contents analyzer, the decision-making of traffic analysis device go out to need to cache content, send cache request to CDN,
CDN starts to cache the content for changing that url is specified in request.
The url of the address of caching server and cache contents is indicated after completing to cache by step 907, CDN, is led to
Caching in response to belt is crossed to mobile gateway.
Step 908, mobile gateway record buffer memory information (caching server address etc.).
Above-mentioned url is accessed in step 909, mobile phone users/new mobile phone users http request, it is mobile
Gateway judges that corresponding content is buffered, forwards requests to corresponding CDN caching servers.
The response from CDN caching servers for receiving is transmitted to mobile terminal by step 910, mobile gateway.
Service traffics and service quality in response are counted by step 911, mobile gateway, obtain new system
Meter result.
Step 912, mobile gateway are by new statistics (service traffics and service quality etc.) information reporting to industry
Business NetStream Data Analyzer, completes a closed loop feedback.
That is, the mobile gateway will be arrived including but not limited to information reportings such as service traffics and service quality
On traffic analysis device (such as UBAS)；The traffic analysis device is to the access content of mobile terminal
Carry out by conditions such as flows it is integrated ordered, select need caching or discharge caching content；Traffic analysis
The cache contents that decision-making goes out are advertised to CDN by the interface (such as icap agreements) between CDN by device, and
Informing needs the mobile gateway address of CDN service；Buffered results are advertised to shifting after caching is completed by CDN
Dynamic gateway and traffic analysis device；When mobile gateway processes new user access request, judge what is accessed
Content is buffered, then mobile terminal request is routed to CDN server, and by journalism in new statistics
Business NetStream Data Analyzer, completes a closed-loop control.
Need explanation：Which content CDN has cached, and is not limited only to what traffic analysis device was asked, also may be used
To be cached according in predetermined configuration, and buffered results are actively advertised to the mobile gateway and business of association
NetStream Data Analyzer.
Figure 10 shows that user provided in an embodiment of the present invention deletes the closed-loop control flow process of decision-making when accessing website
Figure, as shown in Figure 10, comprises the following steps：
Step 1001, mobile gateway receive the http content requests of mobile terminal, and mobile gateway is identified please
Url in asking is the url of concern, analyzes its type of service and counts in corresponding access count.
In step 1002, mobile gateway forwarding step 1001, content requests are to corresponding source station.
Step 1003, mobile gateway receive the content response that source station is returned according to content requests.
Service traffics and service quality in content response are counted by step 1004, mobile gateway.
The content response received in step 1003 is transmitted to mobile terminal by step 1005, mobile gateway.
Step 1006, mobile gateway are by information reportings such as the service traffics for counting on and service quality to Business Stream
Contents analyzer, the decision-making of traffic analysis device go out to need to cache content, send cache request to CDN,
CDN starts to cache the content for changing that url is specified in request.
The url of the address of caching server and cache contents is indicated after completing to cache by step 1007, CDN, is led to
Caching in response to belt is crossed to mobile gateway.
Step 1008, mobile gateway record buffer memory information (caching server address etc.).
Above-mentioned url is accessed in step 1009, mobile phone users/new mobile phone users http request, it is mobile
Gateway judges that corresponding content is buffered, forwards requests to corresponding CDN caching servers.
The response from CDN caching servers for receiving is transmitted to mobile terminal by step 1010, mobile gateway.
Service traffics and service quality in response are counted by step 1011, mobile gateway, obtain new
Statistics.
New statistics (service traffics and service quality etc.) information reporting is given by step 1012, mobile gateway
Traffic analysis device, completes a closed loop feedback.
Step 1013, analyzer decision-making goes out needs to delete cache contents, sends removal request to CDN,
CDN starts the content that url in removal request is specified.
The url signs for deleting content are brought mobile network by cache responses after completing to delete by step 1014, CDN
Close.
That is, by taking http applications as an example (but the scope of application of the present invention is not limited to http applications)：1st, move
Dynamic terminal accesses certain website by inputs domain name, and the http request message transmissions that mobile terminal sends are to mobile network
Close, mobile gateway identifies the url that the url of request is concern, analyzes its type of service, and is counted；
2nd, mobile gateway receives response asked in 1, and analysis source (source station or CDN) simultaneously counts on correspondence
In the access count of type of service, E-Packet mobile terminal.3rd, mobile gateway timing/real-time will statistics is tied
Fruit is reported to traffic analysis device；4th, traffic analysis device decision-making needs the content for caching/deleting, and sends
Caching/removal request and gateway address are asked to CDN；5th, after CDN completes the action asked in 4, will hold
Row result notifies mobile gateway；6th, access above-mentioned in mobile phone users/new mobile phone users http request
Url, selects to forward the packet to source station or CDN according to buffered results, and is counted and be reported to Business Stream
Contents analyzer.Traffic analysis device is according to newest service traffics/quality of service information and historical record decision-making
Go out new cache policy (such as quality of service is deteriorated after finding caching, can delete caching), complete a wheel and close
Ring feeds back.
In sum, the present invention has following technique effect：
Invention increases the staining effect after caching can be given traffic analysis device, industry by feedback mechanism
Business NetStream Data Analyzer unit carries out new decision-making, the optimum caching of Step wise approximation using history and newest feedback information
Strategy.
Although being described in detail to the present invention above, the invention is not restricted to this, the art skill
Art personnel can carry out various modifications with principle of the invention.Therefore, it is all to be made according to the principle of the invention
Modification, all should be understood to fall into protection scope of the present invention.
Claims (10)
1. in a kind of mobile network's decision-making CDN cache contents method, it is characterised in that including mobile gateway
The following steps of execution：
The service traffics and Service Quality of the content that mobile gateway is returned in response to mobile terminal content requests to source station
Amount is counted；
The statistics is reported traffic analysis device by the mobile gateway, so as to the service traffics point
Whether parser content according to the statistics decision-making needs to be cached；
After the mobile gateway receives the cache responses of CDN, according to the new content request of mobile terminal from institute
The cache contents of the CDN are obtained and are forwarded in stating CDN；
Wherein, the CDN refers to content distributing network.
2. method according to claim 1, it is characterised in that described when the mobile gateway is received
After the cache responses of CDN, the cache contents of the CDN are obtained and are forwarded according to the new content request of mobile terminal
Including：
After the mobile gateway receives the cache responses of CDN, the mobile gateway receives mobile terminal and sends
New content request；
The mobile gateway determines the mobile terminal new content according to the url included in the new content request
When whether the content of request is consistent with the cache contents in CDN；
When it is determined that the content of the mobile terminal new content request is consistent with the cache contents in CDN, the shifting
Dynamic gateway is obtained from the CDN and forwards the cache contents of the CDN.
3. in a kind of mobile network's decision-making CDN cache contents method, it is characterised in that including service traffics
The following steps that analyzer is performed：
Traffic analysis device is received and responds mobile terminal content requests to source station according to what mobile gateway sent
And the service traffics and the statistics of service quality of the content for returning, whether content described in decision-making need to be delayed
Deposit；
When content described in decision-making needs caching, the traffic analysis device notifies that CDN is obtained simultaneously from source station
Cache the content.
4. method according to claim 3, it is characterised in that the traffic analysis device is received simultaneously
According to the statistics that mobile gateway sends, decision-making mobile gateway is returned in response to mobile terminal content requests to source station
Whether the content returned needs to carry out caching to include：
The statistics is compared by the traffic analysis device with statistical threshold scope, interior described in decision-making
Whether appearance needs to be cached；
When the statistics exceedes statistical threshold scope, content described in the traffic analysis device decision-making is needed
Cache.
5. method according to claim 4, it is characterised in that the traffic analysis device works as decision-making
When the content needs caching, notifying that CDN is obtained from source station and cached the content includes：
When content described in the traffic analysis device decision-making needs caching, send comprising caching to the CDN
The cache request of content url；
The CDN obtains and caches the content from source station according to the cache contents url in cache request,
And the cache contents url is sent to into the mobile gateway.
6. method according to claim 5, it is characterised in that also slow in the CDN including deleting
Content is deposited, which specifically includes：
The mobile gateway is transmitted to cache contents after the mobile terminal, newly interior to CDN response mobile terminals
The service traffics and service quality of the content held request and return newly are counted；
The new statistics of service traffics and service quality is reported traffic analysis device by the mobile gateway；
The new statistics and statistical threshold scope are compared by the traffic analysis device, described in decision-making
Whether content needs is deleted；
When the statistics is less than statistical threshold scope, traffic analysis device decision-making is by the CDN
In cache contents delete.
7. in a kind of mobile network's decision-making CDN cache contents device, it is characterised in that include：
Statistical module, the business of content source station returned in response to mobile terminal content requests for mobile gateway
Flow and service quality are counted；
The statistics is reported traffic analysis device for the mobile gateway by reporting module, so as to
Whether traffic analysis device content according to the statistics decision-making needs to be cached；
Obtain and forwarding module, for receiving when the mobile gateway after cache responses of CDN, according to movement
The new content request of terminal is obtained from the CDN and forwards the cache contents of the CDN.
8. in a kind of mobile network's decision-making CDN cache contents device, it is characterised in that include：
Decision-making module, receives for traffic analysis device and source station response is moved according to what mobile gateway sent
Terminal content is asked and the service traffics and the statistics of service quality of the content of return, and content described in decision-making is
No needs are cached；
Cache module is notified, for the traffic analysis device when content described in decision-making needs caching, is notified
CDN is obtained from source station and is cached the content.
9. in a kind of mobile network's decision-making CDN cache contents system, it is characterised in that include：
Statistical module, the service traffics kimonos of the content for returning in response to mobile terminal content requests to source station
Business quality is counted；
Cache decision module, for according to the statistics, whether content described in decision-making needs to be cached；
Cache contents module, for when content described in decision-making needs caching, notifying that CDN is obtained simultaneously from source station
Cache the content；
Cache contents module is obtained, for after the content is cached, according to the mobile terminal of mobile gateway forwarding
New content request, return its caching content.
10. system according to claim 9, it is characterised in that also include for deleting the CDN
In cache contents deletion cache contents unit, which includes：
Statistic unit, is transmitted to cache contents after the mobile terminal, to CDN for the mobile gateway
The service traffics and service quality of the content returned in response to mobile terminal new content request are newly counted；
The new statistics of service traffics and service quality is reported industry for the mobile gateway by reporting unit
Business NetStream Data Analyzer；
The new statistics and statistical threshold scope are carried out by decision package for the traffic analysis device
Compare, whether content described in decision-making needs to be deleted；
Delete unit, for when the statistics be less than statistical threshold scope when, the traffic analysis device
Cache contents in the CDN are deleted by decision-making.
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| CN201510594062.4A CN106549987B (en) | 2015-09-17 | 2015-09-17 | Method, device and system for deciding cache content in CDN (content delivery network) by mobile network |
| PCT/CN2016/084325 WO2017045438A1 (en) | 2015-09-17 | 2016-06-01 | Content caching method, apparatus, and system in mobile network decision cdn |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US11683392B2 (en) | 2017-12-29 | 2023-06-20 | Huawei Technologies Co., Ltd. | Cache decision method and apparatus |
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