CN106534240A - CDN resource scheduling method, server and client - Google Patents
CDN resource scheduling method, server and client Download PDFInfo
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- CN106534240A CN106534240A CN201510580402.8A CN201510580402A CN106534240A CN 106534240 A CN106534240 A CN 106534240A CN 201510580402 A CN201510580402 A CN 201510580402A CN 106534240 A CN106534240 A CN 106534240A
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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
- H04L67/52—Network services specially adapted for the location of the user terminal
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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
- H04L67/51—Discovery or management thereof, e.g. service location protocol [SLP] or web services
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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
- H04L67/60—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
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- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
An embodiment of the invention discloses a CDN resource scheduling method, a server and a client. The CDN resource scheduling method comprises the steps of: receiving position information sent by the client; analyzing the position information to obtain a geographic position of the client; and scheduling a service server responding to a service request of the client according to a CDN resource scheduling policy based on the geographic position.
Description
Technical field
The present invention relates to the scheduling of resource technology of the communications field, more particularly to a kind of content delivery network (Content
Delivery Network, CDN) resource regulating method, server and client.
Background technology
CDN nets are a kind of intelligent transportation networks got up with communication technology and Information Technology Development.CDN
, when carrying out service request and responding, dns server or dispatch server are by the IP according to client for network
Address choice service server, so as to realize CDN scheduling of resource, to facilitate client with less sound
At once preferably service quality is extended to, the business information of CDN is obtained.But when implementing,
Still it is frequently found CDN scheduling of resource unreasonable, caused response delay is big etc. causes user satisfaction
Low problem.
The content of the invention
In view of this, the embodiment of the present invention is expected to provide a kind of CDN resource regulating methods, server and visitor
Family end, with least partly solve CDN scheduling of resource it is unreasonable caused by response delay it is big the problems such as.
To reach above-mentioned purpose, the technical scheme is that what is be achieved in that：
Embodiment of the present invention first aspect provides a kind of CDN resource regulating methods, and methods described includes：
Receive the positional information that client sends；
The positional information is parsed, the geographical position of the client is obtained；
Based on the geographical position, it is described in the client dispatching response according to CDN resource dispatching strategies
The service server of client traffic request.
Based on such scheme, the positional information that the reception client sends, including it is following at least within it
One：
Receive the positional information that the client is reported after location updating automatically；
Reception carries the DNS request or service request of the positional information；
Client is received every the positional information for specifying duration to report；
Receive the positional information that client is reported according to itself mobile status；
Reception carries the first message of the positional information；First message is also carry the first information non-
Positional information specific messages；
The time delay that client is received in service chaining establishment stage and/or service interaction stage exceedes time delay thresholding,
Send the positional information.
Based on such scheme, the positional information is encryption information；
It is described to parse the positional information, the geographical position of the client is obtained, including：
Based on the identification information of the client, decruption key is obtained；
The positional information is decoded according to the decruption key；
Positional information after parsing decryption obtains the geographical position.
It is based on such scheme, described based on the geographical position, it is described according to CDN resource dispatching strategies
The service server of client traffic request described in client dispatching response, including：
Based on the geographical position, geographical position described in chosen distance is recently or in the business service of distance to a declared goal
Device responds the service request of the client.
It is based on such scheme, described based on the geographical position, it is described according to CDN resource dispatching strategies
The service server of client traffic request described in client dispatching response, including：
Based on the geographical position and the load condition of each service server, selection meets load condition
The service server of condition and geographical location choice condition responds the service request.
Embodiment of the present invention second aspect provides a kind of CDN resource regulating methods, and methods described includes：
Determine the positional information of client；
The positional information is sent to into domain name dns server or dispatch server；
The positional information, for the dns server or dispatch service, client described in dispatching response
The service server of service request.
Based on such scheme, the positional information of the determination client, including it is following at least one：
The geographical position of the client is positioned using global position system GPS, described information is obtained；
The geographical position of the client is positioned using base station or mobile communications network, the positional information is obtained；
The geographical position of the client is positioned using WLAN WiFi, the positional information is obtained.
It is based on such scheme, described that the positional information is sent to into domain name dns server or dispatch service
Device, including：
In the client terminal start-up, the position is sent to the dns server or the dispatch server
Information；
The positional information is carried in DNS request, the dns server or the scheduling is sent to
Server；
The position letter is reported once to the dns server or the dispatch server every specified duration
Breath；
Determine the rate travel of the client, determined based on the rate travel and report time interval, and pressed
The positional information is sent to the dns server or the dispatch server according to the time interval；
The positional information is carried the dns server or the dispatch service are sent in first message
Device；Wherein, first message is the non-position information specific messages for also carrying the first information；
Service chaining establishment stage and/or the time delay in service interaction stage are obtained, if the time delay exceedes time delay door
Limit, sends the positional information.
The embodiment of the present invention third aspect provides a kind of server, and the server includes：
Receiving unit, for receiving the positional information of client transmission；
Resolution unit, for parsing the positional information, obtains the geographical position of the client；
Scheduling unit, for being based on the geographical position, is the client according to CDN resource dispatching strategies
The service server of client traffic request described in the dispatching response of end.
Based on such scheme, the receiving unit is automatic after location updating for receiving the client
The positional information of report；And/or, reception carries the DNS request or service request of the positional information；With/
Or, receiving client every the positional information for specifying duration to report；And/or, receive client and moved according to itself
The positional information of dynamic state reporting；And/or, reception carries the first message of the positional information；First disappears
Cease also to carry the non-position information specific messages of the first information, and/or, client is received in service chaining
The time delay in establishment stage and/or service interaction stage exceedes time delay thresholding, sends the positional information.
Based on such scheme, the positional information is encryption information；
The resolution unit, specifically for the identification information based on the client, obtains decruption key；According to
The positional information is decoded according to the decruption key；Positional information after parsing decryption obtains the geographical position.
Based on such scheme, the scheduling unit, specifically for based on the geographical position, chosen distance institute
The service request of the service server response client for stating geographical position recently or in distance to a declared goal.
Based on such scheme, the scheduling unit is specifically based on the geographical position and each described business clothes
The load condition of business device, selection meets load condition condition and the service server of geographical location choice condition rings
Answer the service request.
Embodiment of the present invention fourth aspect provides a kind of client, and the client includes：
Determining unit, for determining the positional information of client；
Transmitting element, for the positional information is sent to domain name dns server or dispatch server；
The positional information, for the dns server or dispatch service, client described in dispatching response
The service server of service request.
Based on such scheme, the determining unit, specifically for described using global position system GPS positioning
The geographical position of client, obtains described information；And/or, it is described using base station or mobile communications network positioning
The geographical position of client, obtains the positional information；And/or, institute is positioned using WLAN WiFi
The geographical position of client is stated, the positional information is obtained.
Based on such scheme, the transmitting element, specifically in the client terminal start-up, to the DNS
Server or the dispatch server send the positional information；And/or, the positional information is carried
In DNS request, the dns server or the dispatch server are sent to；And/or, when specified
Length reports once the positional information to the dns server or the dispatch server；And/or, it is determined that
The rate travel of the client, is determined based on the rate travel and reports time interval, and according to it is described when
Between be spaced to the dns server or the dispatch server and send the positional information；And/or, by institute
State positional information carrying the dns server or the dispatch server are sent in first message；Wherein,
First message is the non-position information specific messages for also carrying the first information, and/or, obtain service chaining and build
Vertical stage and/or the time delay in service interaction stage, if the time delay exceedes time delay thresholding, send the position letter
Breath.
CDN resource regulating methods, server and client described in the embodiment of the present invention, will be by client
Its geographical position is positioned voluntarily, forming position information is sent to server, and server is sent according to client
Positional information is carrying out the scheduling of the CDN resources such as scheduling of service server.Like this, relative to clothes
Business device by parsing the IP address of client obtaining the positional information of client, can reduce distort because of IP,
IP hides and the inaccurate and accurate phenomenon of the caused positioning of IP parsing mistakes, and then caused CDN moneys
Source scheduling it is improper and by CDN scheduling of resource it is improper caused by response delay big problem.
Description of the drawings
Fig. 1 is a kind of schematic flow sheet of CDN resource regulating methods provided in an embodiment of the present invention；
Fig. 2 is a kind of analytic method schematic flow sheet of positional information provided in an embodiment of the present invention；
Fig. 3 is the schematic flow sheet of another kind of CDN resource regulating methods provided in an embodiment of the present invention；
Fig. 4 is the structural representation of server provided in an embodiment of the present invention；
Fig. 5 for the present invention when structural representation of client that provides of dead example；
Fig. 6 is the schematic flow sheet of another CDN resource regulating method provided in an embodiment of the present invention.
Specific embodiment
Research discovery causes the irrational reason of CDN scheduling of resource to be probably, domain name (Domain Name
Server, DNS) server or dispatch server, it is impossible to enough accurate positions for obtaining client, so as to nothing
Method provides the service server of business service for its nearer server of client chosen distance for which.Therefore
In the present embodiment, server (server herein can be above-mentioned dns server family dispatch server) will be from
Client received bit information itself, according to the positional information that client self poisoning sends, selects suitable
Service server provides business service for client, to realize DNS scheduling of resource.Like this, it is clear that visitor
The positional information that family end voluntarily sends, with respect to procotol (Internet Protocol, IP) address
Parsing obtain client positional information, can avoid IP distort or IP wrong identifications caused by positional information
When service server and then caused response delay big problem are not dispatched out caused by inaccurate.With
Lower combination Figure of description and specific embodiment are further elaborated to technical scheme.
Embodiment of the method one：
As shown in figure 1, the present embodiment provides a kind of CDN resource regulating methods, methods described includes：
Step S110：Receive the positional information that client sends；
Step S120：The positional information is parsed, the geographical position of the client is obtained；
Step S130：Based on the geographical position, adjust for the client according to CDN resource dispatching strategies
The service server of the degree response client traffic request.
CDN resources described in the present embodiment include described service server etc..The CDN scheduling of resource sides
Method can be applicable to aforesaid dns server or dispatch server.The dns server can be for carrying out
The server of domain name mapping, reusable is the server for carrying out CDN scheduling of resource in the present embodiment.Institute
Stating dispatch server can be to be specially provided for carrying out the server of CDN scheduling of resource.
In step S110, server is directly received the position of client from client in the present embodiment
Information, can determine that the geographical location information of the client in the step s 120 according to the positional information.Phase
For dns server or dispatch server are carried out tabling look-up according to IP address the geographical position of the client determined
Put, more accurately, IP can be avoided from distorting, IP parsing mistake and after third party's network processes IP
Address obtains not accurate enough problem in caused geographical position after being blanked or removing,
So in step s 130, it is possible to according to the accurate geographic position of client, dispatch service server
Service is provided for client, specifically such as, according to the strategy nearby in the CDN resource dispatching strategies, choosing
Selecting or distance nearest with the client is specifying the service server in the range of to provide for the client
Business service.Like this, within, transmission range is near, can greatly shorten response delay.
Specific step S110 can be realized using following any one mode：
The first：
Receive the positional information that the client is reported after location updating automatically.Client restarts every time
Afterwards to its positional information is reported, a usual client, even mobile client are during starting twice
Shift position scope is limited, and in order to reduce the number of times for reporting, reducing client often causes because reporting
Power consumption and server load weight problem, in this kind of mode, report position to believe in client terminal start-up
Breath.
Second：
Reception carries the DNS request or service request of the positional information.Here service request is request
CDN provides the request of business service for which.In the present embodiment positional information is carried please in DNS
Ask or service request in, like this, be not provided with special message to transmit the positional information, service
Interaction message bar number between device and client does not increase, and can equally reduce the power consumption of client, extends
The standby time of client.And in this kind of mode, positional information is carried in DNS request or service request,
Like this, accurately client can be sent the position at the current time of the DNS request or service request
Confidence breath is sent to dns server or dispatch server.
The third：
Client is received every the positional information for specifying duration to report；This kind of mode is then in order to more accurate
The geographical position at location client end, will just report a positional information every specified duration, like this, DNS
Server or dispatch server will obtain the current more accurate geographical position of client at any time.It is described each refer to
Timing length can be reported for periodicity.The specified duration can also be according to the business service of the requirement of client
It is not busy to do degree difference in arranging, can so reduce the number of times that client is reported.For example, in the client
Service request it is many when, the shortening that the specified duration can be appropriate, when the service request of client is few,
The specified duration suitably can increase, and like this, can allow dns server or dispatch service to facilitate
Device accurately obtains the positional information of the client when service request response is needed.
4th kind：
Receive the positional information that client is reported according to itself mobile status.In this kind of mode, relatively it is suitable for
In mobile client.Mobile client is because of its mobility, such words, in order to ensure which is stored in DNS
The accuracy of the positional information in server or dispatch server, the client can be according to the mobile shapes of itself
State is reported.Specifically such as, according to the translational speed of the client, it is determined that reporting time interval.It is described
Report time interval be inversely proportional to the translational speed of the client.The translational speed of the client is faster,
Report time interval less, the translational speed of the client is lower, report time interval less.This
If sample, on the one hand reduce client as far as possible reports number of times, while also can guarantee that the DNS clothes
The accuracy of the positional information stored in business device or dispatch server.
5th kind：
Reception carries the first message of the positional information；First message is also carry the first information non-
Positional information specific messages.The first message is to be exclusively used in dns server or scheduling in the present embodiment
Server sends the specific messages of positional information, but what the positional information and the first information were multiplexed
Same message, the transmission letter that first message can be used for the dns server or dispatch server
Breath.Like this, it is possible to reduce the interaction times of dns server or dispatch server and dispatch server,
The load of dns server or dispatch server interaction can be reduced.
6th kind：
The time delay that client is received in service chaining establishment stage and/or service interaction stage exceedes time delay thresholding,
Send the positional information.Here service chaining is set up and is referred to：Client and the service server for distributing
Between the foundation that links；The service interaction is referred to：The mutual transmission of the business tine after link foundation.
Here time delay thresholding can be to pre-set, and such as arrange in the client or be arranged on dns server or scheduling
In server.Client is monitoring service chaining establishment stage and/or the time delay in service interaction stage exceedes
During the time delay thresholding, the positional information will be reported from trend dispatch server or dns server, be triggered
Re-start CDN scheduling of resource.
In a word, the dns server or the dispatch server can pass through specific messages in the present embodiment
Receive the positional information, it is also possible to the positional information is received by receiving non-dedicated message.From described
It can also periodically be acyclic that the positional information that client is received can be.
As shown in Fig. 2 used as further improvement of this embodiment, step S120 includes：
Step S121：Based on the identification information of the client, decruption key is obtained；
Step S122：The positional information is decoded according to the decruption key；
Step S123：Positional information after parsing decryption obtains the geographical position.
In the present embodiment in order to strengthen the safety of the positional information, the positional information is encryption information.
In the present embodiment, the dns server or dispatch server will be believed according to the mark of the client
Breath, obtains decruption key.The identification information of the client may include international mobile subscriber identity
Equipment identification informations such as (International Mobile Subscriber Identity, IMSI), may also include peace
Be mounted in the client subscriber identification card (subscriber identity module, SIM) card or
The identification information of USIM (Universal Subscriber Identity Module, USIM),
Such as cell-phone number etc..
Positional information will be decoded in step S122, be determined finally according to the positional information after decryption
The geographical position of the client.
Positional information described in the present embodiment is encryption information, it is clear that with higher Information Security.
Specifically how to select the service server of business service is carried out for client in the step s 120, below carry
For a kind of achievable mode.
Step S120 includes：
Based on the geographical position, geographical position described in chosen distance is recently or in the business service of distance to a declared goal
Device responds the service request of the client.
The server distribution of the CDN in each position, it is having with client position very
It is close, have from it is far, in the present embodiment in order to avoid geographic distance it is remote caused by response delay it is big
Problem, in the present embodiment the server by client described in chosen distance recently or in distance to a declared goal ring
Answer the service request of the volume client.
But in order to avoid simultaneously many by near the client request industry of the service server in some position
Business response, causes the problem that response delay is big, and step S130 may also include in the present embodiment：It is based on
The geographical position and the load condition of each service server, selection meet load condition condition and ground
The service server of reason position alternative condition responds the service request.
Concrete such as the load condition may include loading, and loading is higher, represent that service server is current
The loading of response can be needed many by service server accordingly, responded to its request, may be further
Aggravate its loading, and the problem for causing substantial amounts of service request response delay big.Certainly some business take
The loading that business device itself can be responded is just very big, at this point it is possible to carry out the server using rate of load condensate
Load condition reflection.The rate of load condensate may be defined as currently loading to be responded can than the upper server
The maximal workload of response.
Step S120 described in the present embodiment will be client-based according to the CDN resource dispatching strategies
Geographical position and the load condition of service server, select current traffic load do not occur overload and from
The nearer service server of the client provides business service to client, like this, on the one hand can
Reduce because the big caused time delay of geographic distance is big, while can also reduce causing because of the overload of service server
The big problem of response delay.
Embodiment of the method two：
As shown in figure 3, the present embodiment method provides a kind of CDN resource regulating methods, methods described includes：
Step S210：Determine the positional information of client；
Step S220：The positional information is sent to into domain name dns server or dispatch server；
The positional information, for the dns server or dispatch service, client described in dispatching response
The service server of service request.
CDN resource regulating methods described in the present embodiment are the method being applied in client, the client
End may include the terminal units such as mobile phone, panel computer or notebook computer or Wearable device.
The positional information of the client is determined in step S210, generally may include that the client is automatic
The geographical position of its own is positioned, the positional information is formed.
The positional information is sent to into dns server or dispatch server in step S220, it is such
Words, dns server or dispatch server are just without by parsing IP address come the geographical position of the client
Put, thus will not distort because of IP or hide asking for the caused geographical position that cannot obtain client
Topic.And the positional information is directly sent to dns server or dispatch service by client described in the present embodiment
Device, can simplify the behaviour in the geographical position of the dns server or the dispatch server acquisition client
Make, and the positional information provided according to client itself is carrying out DNS scheduling of resource, it is possible to increase response visitor
The speed of response of the service request at family end.
The implementation of step S210 has various, it is presented below it is several can optional mode：
Mode one：The geographical position of the client is positioned using global position system GPS, the letter is obtained
Breath.Client, such as mobile phone, panel computer etc. have whole world unification to be set to system module, can be with being set to visitor
The positional information at family end.
Mode two：
The geographical position of the client is positioned using base station or mobile communications network, the positional information is obtained；
Base station in the manner can be the base station of cellular cell, such as evolved base station eNB etc..Here movement is led to
Communication network may include the Cellular Networks.
Mode three：
The geographical position of the client is positioned using WLAN WiFi, the positional information is obtained.
In prior art, WiFi network application is very extensive, is provided with many wireless access point AP or wireless access control
Device A C, can according to the position of the AP or AC come the current geographical position in location client end, so as to
Being accurately positioned for the client can be realized.
The method for providing the position of above-mentioned several positioning client in the present embodiment, it is simple with realizing
The characteristics of single and easy realization, but it is not limited to above-mentioned several ways.
Send the mode of the positional information, touch to dns server or to dispatch server in step S220
The event of sending out and opportunity have a lot, several optional modes presented below.
Mode one：
In the client terminal start-up, the position is sent to the dns server or the dispatch server
Information.
Mode two：
The positional information is carried in DNS request or service request, the dns server is sent to
Or the dispatch server.
Mode three：
The position letter is reported once to the dns server or the dispatch server every specified duration
Breath.
Mode four：
Determine the rate travel of the client, determined based on the rate travel and report time interval, and pressed
The positional information is sent to the dns server or the dispatch server according to the time interval；
Mode five：
The positional information is carried the dns server or the dispatch service are sent in first message
Device；Wherein, first message is the non-position information specific messages for also carrying the first information.
Mode six：
Service chaining establishment stage and/or the time delay in service interaction stage are obtained, if the time delay exceedes time delay door
Limit, sends the positional information.Here service chaining is set up and is referred to：Client is taken with the business of distribution
The foundation linked between business device；The service interaction is referred to：Link set up after business tine it is mutual
Transmission.Here time delay thresholding can be to pre-set, and such as arrange in the client or be arranged on dns server
Or in dispatch server.Here obtain service chaining establishment stage and/or the time delay in service interaction stage
Method, but by the client itself monitor.
The client obtains the positional information of the client first by positioning action, and by upper
Any one for stating mode is sent to dns server or dispatch server, and the client can be on startup
Send or send when service request or DNS request is sent, or send once every a specified duration, or
Time interval is reported determining according to the rate travel of oneself, and according to time interval sending the position letter
Breath.Here the interval time that reports can be inversely proportional to the rate travel, it is clear that using above-mentioned reporting schemes come
Reporting position information, can be the geography of dns server or the more accurate client of dispatch server acquisition
Position, while the characteristics of or quantity of information few few with information interaction times that client is carried out.
Apparatus embodiments one：
As shown in figure 4, present embodiments providing a kind of server, the server includes：
Receiving unit 110, for receiving the positional information of client transmission；
Resolution unit 120, for parsing the positional information, obtains the geographical position of the client；
Scheduling unit 130, for being based on the geographical position, is the visitor according to CDN resource dispatching strategies
The service server of client traffic request described in the dispatching response of family end.
Server described in the present embodiment can be dns server or dispatch server.The DNS service
Device one end can be connected with client, and the other end can be set up with the service server in CDN network connection.
Receiving unit 110 described in the present embodiment may include various types of receiving interfaces, such as wireline interface
And wave point；The wireline interface may include cable interface or fiber optic cable interface.The wave point may include
The communication interface structure such as reception antenna.In a word, the receiving unit 110 can be set up with the client and be connected
Connect, receive the positional information.
The concrete structure of the resolution unit 120 and the scheduling unit 130 may include processor or process electricity
Road etc..The processor may include central processing unit, microprocessor, digital signal processor, programmable battle array
The structures with the information processing function such as row.The process circuit may include special IC etc..The place
Reason device or the process circuit can be connected by bus with the storage medium in server, and reading is stored in storage
The executable code in medium is connect, the function of above-mentioned resolution unit 120 and the scheduling unit 130 is realized.
The resolution unit 120 and the scheduling unit 130 can integrated correspondence identical processors or right respectively
Answer different processors.When the resolution unit 120 and the scheduling unit 130 it is integrated corresponding to same place
During reason device, the processor can realize that the parsing is single by the way of time division multiplex or concurrent thread respectively
Unit 120 and the function of the scheduling unit 130.
In a word, the server described in the present embodiment, directly receives the positional information from client, so as to
The geographical position of the client can more accurately be obtained such that it is able to according to the accurate geographical position
Put, preferably scheduling CDN resources.
Specifically such as, the receiving unit 110, it is automatic after location updating for receiving the client
The positional information of report；And/or, reception carries the DNS request or service request of the positional information；With/
Or, receiving client every the positional information for specifying duration to report；And/or, receive client and moved according to itself
The positional information of dynamic state reporting；And/or, reception carries the first message of the positional information；First disappears
Cease also to carry the non-position information specific messages of the first information；And/or, client is received in service chaining
The time delay in establishment stage and/or service interaction stage exceedes time delay thresholding, sends the positional information.
The receiving unit 110 receives the position letter by receiving any one above-mentioned information or message
Breath, the characteristics of have simple structure to realize easy.
It is specific such as, in order to improve the safety of the positional information of client, the position in the present embodiment
Information can be encryption information.The resolution unit 110, specifically for the identification information based on the client,
Obtain decruption key；The positional information is decoded according to the decruption key；Positional information after parsing decryption
Obtain the geographical position.Resolution unit 110 described in the present embodiment will be believed according to the mark of the client
Breath obtains the decruption key, finally decrypts the positional information, so as to obtain by the operation such as inquiry
State geographical position；The compromised difficulty of positional information can so be increased, the safety of positional information is improve
Property.
Specifically such as, the scheduling unit 130, specifically for based on the geographical position, chosen distance institute
The service request of the service server response client for stating geographical position recently or in distance to a declared goal.At this
Scheduling unit 130 described in embodiment will select the business service close to the client according to nearby principle
Device provides business service for the client, like this, can at least reduce and be produced because of geographic distance farther out
Response delay the problems such as.
Used as further improvement of this embodiment, the scheduling unit 130 is specifically based on the geographical position
And the load condition of each service server, select to meet load condition condition and geographical location choice bar
The service server of part responds the service request.Scheduling unit 130 described in the present embodiment is carrying out CDN
During scheduling of resource, load condition that not only can be according to the geographical position also based on service server is such
Words, respond time delay caused by can avoiding the overload because of service server as far as possible.
In a word, server described in the present embodiment can be used for the CDN moneys described in implementation method embodiment one
Source dispatching method, same to have the geographical position that accurately obtain client, preferably scheduling CDN is provided
The characteristics of source, response delay when service request is responded is being carried out so as to reduce CDN.
Apparatus embodiments two：
As shown in figure 5, the present embodiment provides a kind of client, the client includes：
Determining unit 210, for determining the positional information of client；
Transmitting element 220, for the positional information is sent to domain name dns server or dispatch server；
The positional information, for the dns server or dispatch service, client described in dispatching response
The service server of service request.
The client can be for mobile phone, panel computer, Wearable device and notebook or desktop computer etc. eventually
End equipment.The concrete structure of the determining unit 210 may include processor or process circuit, the processor
Can be the central processing unit in the client, microprocessor, digital signal processor, programmable array etc.
Structure with the information processing function.The process circuit may include special IC etc..
The client may also include storage medium, and can be stored with the storage medium executable code, institute
State processor or the process circuit can realize the positioning by reading and performing the executable code
Function.
Client described in the present embodiment can carry out automatically its geographic location and be positioned in a word, and by position
Confidence breath is sent to dns server or dispatch server, can so improve dns server or scheduling clothes
The accuracy of business device, so as to preferably carry out DNS scheduling of resource, reduction is led because DNS scheduling of resource is improper
The big problem of response of cause.
The determining unit 210, the ground specifically for the client is positioned using global position system GPS
Reason position, obtains described information；And/or, the ground of the client is positioned using base station or mobile communications network
Reason position, obtains the positional information；And/or, the client is positioned using WLAN WiFi
Geographical position, obtains the positional information.Determining unit 210 described in the present embodiment may include GPS chip
And gps antenna etc., the positioning of client is carried out by GPS chip and gps antenna.The determining unit
210 communication interfaces that can also be communicated with base station such as eNB, are gone to a party using the location positioning of base station
The geographical position at family end.The determining unit 210 may also include WiFi communication interface etc., by with WiFi
The positional information of the access device of network is positioning the position of the client.Determine described in the present embodiment single
The concrete structure of unit 210 has various, is not limited to said structure.
The transmitting element 220 sends the structure of the positional information in the present embodiment various, below carries
For several alternative constructions.The transmitting element 220, specifically in the client terminal start-up, to described
Dns server or the dispatch server send the positional information；And/or, the positional information is carried
In DNS request, the dns server or the dispatch server are sent to；And/or, every specified
Duration reports once the positional information to the dns server or the dispatch server；And/or, really
The rate travel of the fixed client, is determined based on the rate travel and reports time interval, and according to described
Time interval sends the positional information to the dns server or the dispatch server；And/or, will
The positional information is carried and is sent to the dns server or the dispatch server in first message；Its
In, first message is the non-position information specific messages for also carrying the first information, and/or, obtain business chain
The time delay in establishment stage and/or service interaction stage is connect, if the time delay exceedes time delay thresholding, institute's rheme is sent
Confidence ceases.In a word, transmitting element 220 described in the present embodiment can pass through specific messages or non-dedicated message to DNS
Server or dispatch server send positional information, with simple structure and the characteristics of realize easy.
Several specific examples are provided below in conjunction with above-mentioned any one embodiment.
CDN resource regulating methods described in this example include：
Step S1：Client obtains positional information, and the positional information can be obtained by GPS location
GPS location information, the WIFI network location information obtained by WiFi network positioning, by base station or honeybee
Cellular Networks/the base station location information or other location informations of nest net positioning.
When the GPS of client is closed, there can be following several processing modes：
The first：Client automatically opens up GPS, obtains GSP location informations；
Second：Client reminds user to open GPS, after indicating to open GPS based on user, obtains
GSP location informations, if user is not switched on GPS within a certain period of time.If not obtaining GPS location information,
Location information is obtained by Cellular Networks/wifi network.The clients such as mobile phone are often in indoor environment, some
In the case of gps signal can be weaker, so as to cause positioning failure or deviations it is excessive, therefore this programme need
Specify：If client has a thresholding related to GPS, this thresholding can by client default setting,
Client can also be informed by server.When the gps signal of the clients such as mobile phone is weaker than this thresholding, client
End no longer reports GPS location information.
Step S2：Client end transmits positional information to dns server/dispatch server.
The positional information of transmission includes following several forms：
The first：Directly just original position-information is sent to client, or original position-information is solved
The positional information after parsing is sent to into dns server or dispatch server after analysis.
Client parses original position-information, and (it is Beijing e.g., to parse GPS to transmission analysis result, is directly passed
This user's geographical location information " Beijing " is given to dns server/dispatch server).Geographical position after parsing
Put and include：Province's Ming He cities name, or municipality directly under the Central Government and area's name.Or client directly transmits the original fixed of acquisition
Position information parses location information by dns server/dispatch server to dns server/dispatch server,
So that it is determined that the current geographic position of user.Here original position-information is probably the information such as longitude and latitude.
The transferring content of positional information, form and precision can adopt following one or more combination form：
First：Positional information can be encrypted or not encrypted, and during encryption, it is unique that different business can arrange the whole network
Encryption-decryption algorithm, prevents corrupt or distorts.
Second：The information of place names such as positional information such as " Beijing " or longitude and latitude can directly be transmitted.
3rd：The code information of positional information can also be used.For example, cure site information representation, directly
(as arranged " 1 " representative " Beijing ", then Beijing user can directly transmit " 1 " to intelligence to connect transmission agreement content
Can dns server/dispatch server.
4th：Client and server dynamic interaction positional information representation, true according to current interaction
Fixed information representation mode, enters the interaction of row positional information.Such as dynamic interaction time interval is T3, T3
For fixed value or on-fixed value.Like this, at the previous moment, may with " a " represent Beijing, and
Current moment " b " just represents Beijing.
5th：Accurate GPS latitude and longitude information can be transmitted, required precision can be also reduced, within N rice, can root
According to practical situation Adjustment precision.
When the transmission of the positional information is carried out, can be in the following way：
First：During client terminal start-up, the above-mentioned positional information (geographical position after client parsing is reported automatically
Information, or original positional information).
Second：Every time during DNS request, above-mentioned positional information is reported.
3rd：Per T1 time intervals, report above-mentioned positional information, the value of T1 can by server come
Configuration, or client default configuration.
4th：Dynamic interval T2 (when client is moved, shortens time interval T2, translational speed V
∝ 1/T), report above-mentioned positional information.The ∝ is the mathematical symbol being proportional to.
4th：With heart beating or other SDK bags, reporting position information.The SDK bags be using in
Server reports application management information or the packet using use state information.
5th：Monitoring business links the time delay of establishment stage and service interaction stage, and time delay exceedes time delay thresholding,
Client reporting position information.
Reporting for above- mentioned information can be with right and wrong encryption information, or the positional information of encryption, different business
The unique encryption-decryption algorithm of the whole network can be set, prevented corrupt or distorted.The above-mentioned specifically side of reporting
Formula, default mode can be configured, it is also possible to issue correlation by server and be indicated to client, client in advance
End determines the pattern for reporting according to indicating.
Step S3：Dns server/dispatch server is parsed and is known to the positional information that business end reports
Not, local Dynamic Geographic position route list is inquired about, while considering the load feelings of each service server
Condition, selects optimum service server and its IP address is sent to client.The step is actually
The step of CDN scheduling of resource.
Step S4：Client end carries out service interaction with the optimal service server of distribution.
In above-mentioned steps, before interactive link is set up every time in business end, the last service interaction can be also uploaded
The IP address of server used utilizes internet data packet switching protocol, (IPX：Internetwork Packet
Exchange protocol, IPX：) transmit to dns server/dispatch server.Dns server/scheduling
Correct server ip in server contrast local routing list, such as IP address are arranged in correct server ip
Within table, then meet expection；Conversely, alert to business development personnel or attendant, so as to developer
Or attendant's investigation problem.
CDN resource regulating methods in the embodiment of the present invention, it is also possible to carry out resource tune with based on IP routes
The mode of degree is combined, first acquiescence carry out IP orient client position and select service server for visitor
Family end provides service.Monitor during service interaction, if monitoring finds that interaction time delay is big, more than certain door
Limit, then can interrupt current business link, using the method described in the present embodiment from client received bit confidence
Breath, and re-start CDN scheduling of resource.When time delay is big, it is also possible to wait current business link right
The service ending answered, when next link is initiated, is re-started using the method described in the embodiment of the present invention
CDN scheduling of resource.Carry out time delay monitoring can be client.
In a word, client described in the present embodiment can first with dns server or dispatch server
Carry out information exchange or client control to the change of the positional information of itself meet change condition when, to
Dns server or dispatch server send the positional information of oneself.The change of positional information here is full
Sufficient change condition, the change condition can be received from dns server or dispatch server, example
Such as, if client detects the positional information change of oneself more than 2 kilometers, to dns server or
Dispatch server sends the positional information.CDN resource tune is carried out using the method described in the present embodiment
The dns server of degree or the dispatch server, it may be necessary to safeguard the positional information and industry of client
The positional information of business server, for example, safeguard the route letter of the positional information table and service server of client
Breath table etc..
In several embodiments provided herein, it should be understood that disclosed apparatus and method,
Can realize by another way.Apparatus embodiments described above are only schematic, for example,
The division of the unit, only a kind of division of logic function can have other division when actually realizing
Mode, such as：Multiple units or component can be combined, or be desirably integrated into another system, or some are special
Levy and can ignore, or do not perform.In addition, the coupling each other of shown or discussed each ingredient,
Or direct-coupling or communication connection can be the INDIRECT COUPLINGs or logical by some interfaces, equipment or unit
Letter connection, can be electrical, machinery or other forms.
It is above-mentioned as separating component explanation unit can be, or may not be it is physically separate, make
For the part that unit shows can be, or may not be physical location, you can with local positioned at one,
Can also be distributed on multiple NEs；Can select therein part or all of according to the actual needs
Unit is realizing the purpose of this embodiment scheme.
In addition, each functional unit in various embodiments of the present invention can be fully integrated into a processing module
In, or each unit individually as a unit, it is also possible to two or more unit collection
Into in a unit；Above-mentioned integrated unit both can be realized in the form of hardware, it would however also be possible to employ
Hardware adds the form of SFU software functional unit to realize.
One of ordinary skill in the art will appreciate that：Realize all or part of step of said method embodiment
Can be completed by the related hardware of programmed instruction, aforesaid program can be stored in a computer-readable
Take in storage medium, the program upon execution, performs the step of including said method embodiment；And it is aforementioned
Storage medium include：Movable storage device, read only memory (ROM, Read-Only Memory),
Random access memory (RAM, Random Access Memory), magnetic disc or CD etc. are various
Can be with the medium of store program codes.
The above, the only specific embodiment of the present invention, but protection scope of the present invention is not limited to
In this, any those familiar with the art the invention discloses technical scope in, can be easily
Expect change or replacement, should all be included within the scope of the present invention.Therefore, protection of the invention
Scope should be defined by the scope of the claims.
Claims (16)
1. a kind of CDN resource regulating methods, it is characterised in that methods described includes：
Receive the positional information that client sends；
The positional information is parsed, the geographical position of the client is obtained；
Based on the geographical position, it is described in the client dispatching response according to CDN resource dispatching strategies
The service server of client traffic request.
2. method according to claim 1, it is characterised in that
It is described to receive the positional information that client sends, including at least one following：
Receive the positional information that the client is reported after location updating automatically；
Reception carries the DNS request or service request of the positional information；
Client is received every the positional information for specifying duration to report；
Receive the positional information that client is reported according to itself mobile status；
Reception carries the first message of the positional information；First message is also carry the first information non-
Positional information specific messages；
The time delay that client is received in service chaining establishment stage and/or service interaction stage exceedes time delay thresholding,
Send the positional information.
3. method according to claim 1, it is characterised in that
The positional information is encryption information；
It is described to parse the positional information, the geographical position of the client is obtained, including：
Based on the identification information of the client, decruption key is obtained；
The positional information is decoded according to the decruption key；
Positional information after parsing decryption obtains the geographical position.
4. the method according to any one of claims 1 to 3, it is characterised in that
It is described based on the geographical position, be the client dispatching response according to CDN resource dispatching strategies
The service server of the client traffic request, including：
Based on the geographical position, geographical position described in chosen distance is recently or in the business service of distance to a declared goal
Device responds the service request of the client.
5. method according to claim 4, it is characterised in that
It is described based on the geographical position, be the client dispatching response according to CDN resource dispatching strategies
The service server of the client traffic request, including：
Based on the geographical position and the load condition of each service server, selection meets load condition
The service server of condition and geographical location choice condition responds the service request.
6. a kind of CDN resource regulating methods, it is characterised in that methods described includes：
Determine the positional information of client；
The positional information is sent to into domain name dns server or dispatch server；
The positional information, for the dns server or dispatch service, client described in dispatching response
The service server of service request.
7. method according to claim 6, it is characterised in that
It is described determine client positional information, including it is following at least one：
The geographical position of the client is positioned using global position system GPS, described information is obtained；
The geographical position of the client is positioned using base station or mobile communications network, the positional information is obtained；
The geographical position of the client is positioned using WLAN WiFi, the positional information is obtained.
8. method according to claim 6, it is characterised in that
It is described that the positional information is sent to into domain name dns server or dispatch server, including：
In the client terminal start-up, the position is sent to the dns server or the dispatch server
Information；
The positional information is carried in DNS request, the dns server or the scheduling is sent to
Server；
The position letter is reported once to the dns server or the dispatch server every specified duration
Breath；
Determine the rate travel of the client, determined based on the rate travel and report time interval, and pressed
The positional information is sent to the dns server or the dispatch server according to the time interval；
The positional information is carried the dns server or the dispatch service are sent in first message
Device；Wherein, first message is the non-position information specific messages for also carrying the first information；
Service chaining establishment stage and/or the time delay in service interaction stage are obtained, if the time delay exceedes time delay door
Limit, sends the positional information.
9. a kind of server, it is characterised in that the server includes：
Receiving unit, for receiving the positional information of client transmission；
Resolution unit, for parsing the positional information, obtains the geographical position of the client；
Scheduling unit, for being based on the geographical position, is the client according to CDN resource dispatching strategies
The service server of client traffic request described in the dispatching response of end.
10. server according to claim 9, it is characterised in that
The receiving unit, for receiving the positional information that the client is reported after location updating automatically；
And/or, reception carries the DNS request or service request of the positional information；And/or, receive client
Every the positional information for specifying duration to report；And/or, receive the position that client is reported according to itself mobile status
Confidence ceases；And/or, reception carries the first message of the positional information；First message is also to carry the
The non-position information specific messages of one information, and/or, client is received in service chaining establishment stage and/or industry
The time delay in business interaction stage exceedes time delay thresholding, sends the positional information.
11. servers according to claim 1, it is characterised in that
The positional information is encryption information；
The resolution unit, specifically for the identification information based on the client, obtains decruption key；According to
The positional information is decoded according to the decruption key；Positional information after parsing decryption obtains the geographical position.
12. servers according to any one of claim 9 to 11, it is characterised in that
The scheduling unit, specifically for based on the geographical position, geographical position described in chosen distance is nearest
Or the service request of the service server response client in distance to a declared goal.
13. servers according to claim 12, it is characterised in that
The scheduling unit, is specifically based on the load condition of the geographical position and each service server,
Selection meets load condition condition and the service server of geographical location choice condition responds the service request.
14. a kind of clients, it is characterised in that the client includes：
Determining unit, for determining the positional information of client；
Transmitting element, for the positional information is sent to domain name dns server or dispatch server；
The positional information, for the dns server or dispatch service, client described in dispatching response
The service server of service request.
15. clients according to claim 14, it is characterised in that
The determining unit, the geographical position specifically for the client is positioned using global position system GPS
Put, obtain described information；And/or, the geographical position of the client is positioned using base station or mobile communications network
Put, obtain the positional information；And/or, the geography of the client is positioned using WLAN WiFi
Position, obtains the positional information.
16. clients according to claim 15, it is characterised in that
The transmitting element, specifically in the client terminal start-up, to the dns server or described
Dispatch server sends the positional information；And/or, the positional information is carried in DNS request,
It is sent to the dns server or the dispatch server；And/or, every specified duration to the DNS
Server or the dispatch server report once the positional information；And/or, determine the shifting of the client
Dynamic speed, is determined based on the rate travel and reports time interval, and according to the time interval to described
Dns server or the dispatch server send the positional information；And/or, the positional information is carried
The dns server or the dispatch server are sent in first message；Wherein, first message is also to take
Non-position information specific messages with the first information, and/or, obtain service chaining establishment stage and/or business
The time delay in interaction stage, if the time delay exceedes time delay thresholding, sends the positional information.
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| CN201510580402.8A CN106534240A (en) | 2015-09-11 | 2015-09-11 | CDN resource scheduling method, server and client |
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| CN113259413A (en) * | 2021-04-16 | 2021-08-13 | 卓望数码技术（深圳）有限公司 | CDN scheduling method, scheduling system and storage medium |
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| CN113794773A (en) * | 2021-09-15 | 2021-12-14 | 中国电信股份有限公司 | Edge node scheduling method and device, storage medium and electronic equipment |
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Application publication date: 20170322 |