CN110493321A - System, server are dispatched in a kind of resource acquiring method and edge - Google Patents
System, server are dispatched in a kind of resource acquiring method and edge Download PDFInfo
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- CN110493321A CN110493321A CN201910671278.4A CN201910671278A CN110493321A CN 110493321 A CN110493321 A CN 110493321A CN 201910671278 A CN201910671278 A CN 201910671278A CN 110493321 A CN110493321 A CN 110493321A
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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
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1001—Protocols in which an application is distributed across nodes in the network for accessing one among a plurality of replicated servers
- H04L67/1004—Server selection for load balancing
- H04L67/1008—Server selection for load balancing based on parameters of servers, e.g. available memory or workload
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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
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1001—Protocols in which an application is distributed across nodes in the network for accessing one among a plurality of replicated servers
- H04L67/1004—Server selection for load balancing
- H04L67/101—Server selection for load balancing based on network conditions
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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
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/104—Peer-to-peer [P2P] networks
- H04L67/1044—Group management mechanisms
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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
- H04L67/14—Session management
- H04L67/146—Markers for unambiguous identification of a particular session, e.g. session cookie or URL-encoding
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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
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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
Abstract
The invention discloses a kind of resource acquiring methods and edge to dispatch system, server, wherein the described method includes: receiving the resource acquisition request for the direction target resource that client is sent, and attempts to obtain the target resource from server cluster；If the target resource can not be got from the server cluster, another destination server cluster for storing the target resource is inquired, and sends the scheduling agent request for being directed toward the target resource to the associated object edge scheduling system of the destination server cluster；It is requested in object edge scheduling system in response to the scheduling agent, in the case where obtaining the target resource from the destination server cluster, the target resource of the object edge scheduling system feedback is received, and the target resource is supplied to the client.Technical solution provided by the present application can be improved the convenience and safety of resource acquisition.
Description
Technical field
The present invention relates to Internet technical field, in particular to a kind of resource acquiring method and edge scheduling system, service
Device.
Background technique
Currently, in order to improve the loading velocities of Internet resources, content distributing network (Content Delivery is usually utilized
Network, CDN) Internet resources are accelerated.Specifically, as shown in Figure 1, may include multiple edge scheduling system in CDN
System, each edge scheduling system can be associated with respective server cluster, and the cache server in server cluster can be with
Store various Internet resources.
As shown in Figure 1, can dispatch system A when client needs to obtain target resource to nearest edge and send money
Source acquisition request, then scheduling system A in edge can obtain target resource from associated server cluster.However, sometimes side
Edge scheduling system A possibly can not get target resource from associated server cluster, in this case, edge scheduling system
The A that unites can be linked, client can dispatch system B to edge to one redirection link of client feedback by the redirection
Resource acquisition request is initiated again, to attempt to obtain target resource from edge scheduling system B.
Existing this resource acquisition mode, when the edge scheduling system of client access for the first time can not provide target money
When source, client needs to initiate multiple resource acquisition request, can just get target resource, this can undoubtedly aggravate client
Burden, also will affect the usage experience of user.In addition, second of client is initiated resource acquisition request to edge scheduling system B
When, need to dispatch system B progress communication negotiation with edge.However, the certificate used in the communication negotiation process is not usually
The certificate of client itself, therefore the safety for the communication connection established cannot ensure.In consideration of it, needing one kind at present more just
Prompt, safer resource acquiring method.
Summary of the invention
The application's is designed to provide a kind of resource acquiring method and edge scheduling system, server, can be improved money
The convenience and safety that source obtains.
To achieve the above object, on the one hand the application provides a kind of resource acquiring method, and the method is applied to edge tune
In degree system, the edge scheduling system is associated with server cluster；The described method includes: receiving the direction that client is sent
The resource acquisition of target resource is requested, and attempts to obtain the target resource from the server cluster；If can not be from described
The target resource is got in server cluster, inquires another destination server collection for storing the target resource
Group, and the scheduling agent for being directed toward the target resource is sent to the associated object edge scheduling system of the destination server cluster
Request；It requests in object edge scheduling system in response to the scheduling agent, is obtained from the destination server cluster
In the case where the target resource, the target resource of object edge scheduling system feedback is received, and by the target
Resource is supplied to the client.
To achieve the above object, on the other hand the application also provides a kind of edge scheduling system, and system is dispatched at the edge
Include: resource acquisition requesting processing, for receiving the resource acquisition request for the direction target resource that client is sent, and tastes
Examination obtains the target resource from the server cluster；Query unit is dispatched, if for can not be from the server cluster
In get the target resource, inquire another destination server cluster for storing the target resource, and to described
The associated object edge scheduling system of destination server cluster sends the scheduling agent request for being directed toward the target resource；Resource mentions
For unit, for being requested in object edge scheduling system in response to the scheduling agent, from the destination server cluster
It is middle obtain the target resource in the case where, receive the target resource of the object edge scheduling system feedback, and by institute
It states target resource and is supplied to the client.
To achieve the above object, on the other hand the application also provides a kind of edge dispatch server, the edge scheduling clothes
Business device includes memory and processor, and the memory is for storing computer program, and the computer program is by the processing
When device executes, above-mentioned resource acquiring method is realized.
Therefore technical solution provided by the present application, when the edge scheduling system that client accesses nearby receives visitor
When the resource acquisition request that family end is sent, it can attempt to obtain corresponding target resource from associated server cluster.If
Scheduling system in the edge can not get target resource, then another target clothes for storing the target resource can be inquired
Business device cluster, and scheduling agent request, the generation can be sent to the associated object edge scheduling system of the destination server cluster
Reason scheduling request can be used for obtaining target resource from destination server cluster.In this way, object edge scheduling system receives
After scheduling agent request, above-mentioned target resource can be obtained from destination server cluster, and can be anti-by target resource
Dispatch system in the edge that client of feeding accesses nearby.Subsequent, target resource can be supplied to client by edge scheduling system,
To complete the process of resource acquisition.In the process resource access, client is only needed to the edge scheduling system accessed nearby
System sends first resource acquisition request, without sending repeatedly request to different edge scheduling systems, to alleviate client
Burden, optimize the usage experience of user.In addition, edge scheduling system dispatches system by agent way, to object edge
When sending scheduling agent request, without carrying out communication negotiation with object edge scheduling system, to ensure that the peace of resource acquisition
Quan Xing.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is resource acquisition schematic diagram in the prior art；
Fig. 2 is the system architecture schematic diagram of resource acquisition in embodiment of the present invention；
Fig. 3 is the step schematic diagram of resource acquiring method in embodiment of the present invention；
Fig. 4 is the functional block diagram of scheduling system in edge in embodiment of the present invention；
Fig. 5 is the structural schematic diagram of edge dispatch server in embodiment of the present invention；
Fig. 6 is the structural schematic diagram of terminal in embodiment of the present invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Formula is described in further detail.
The application provides a kind of resource acquiring method, and this method can be applied in system as shown in Figure 2.In the system
In, may include client, the client access nearby edge scheduling system, dispatch with the edge the associated service of system
Device cluster, another object edge scheduling system, dispatched with the object edge the associated destination server cluster of system and
Central dispatching system.Wherein, the client can be the terminal device that user uses, and be also possible to run on the terminal device
In software.The client can access the scheduling of the edge in CDN system system nearby, and obtain from edge scheduling system
Target resource.It may include multiple cache servers in the server cluster of edge scheduling system relationship, it is each described slow
Depositing server can be used for storing Internet resources, and system is dispatched at edge can be according to preset scheduling strategy, from associated
Target resource needed for obtaining client at one or more cache server in server cluster.Another above-mentioned mesh
It marks edge and dispatches system, carried out between the edge scheduling system that can be accessed nearby with client by proxy mode (proxy)
Communication.Object edge scheduling system can also have itself associated destination server cluster, and the destination server collection
One or more cache server for including in group can be used for storage Internet resources.Above-mentioned central dispatching system, can
The resource scheduling information of each edge scheduling system for storage, the resource scheduling information is it can be shown which edge scheduling
System has identical resource pool.Each edge scheduling system can actively load newest resource from the central dispatching system
Scheduling information, meanwhile, central dispatching system can also issue newest money to each edge scheduling system according to the fixed period
Source scheduling information.
As soon as the resource acquiring method provided in the application embodiment, executing subject can be above-mentioned client proximity
The edge scheduling system entered.Fig. 2 and Fig. 3 are please referred to, this method may comprise steps of.
S1: the resource acquisition request for the direction target resource that client is sent is received, and is attempted from the server cluster
It is middle to obtain the target resource.
In the present embodiment, client and nearest edge scheduling system can first pass through the foundation of three-way handshake principle in advance
TCP connection, subsequent, client can dispatch system transmission resources acquisition request, and edge tune to edge by the TCP connection
Degree system can also provide corresponding target resource to client by the TCP connection.In TCP connection establishment process, client
End uses HTTP certificate with edge scheduling system, which is usually the certificate for belonging to client itself, therefore establish
The security performance of TCP connection accesses guarantee.
In the present embodiment, after establishing TCP connection, client can dispatch system to edge and send direction mesh
The resource acquisition request of resource is marked, resource acquisition request can be a URL (Uniform Resource Locator, system
One Resource Locator).In resource acquisition request, the resource identification of target resource can be carried.For example, showing in an application
In example, resource acquisition request can be https: //test.com.cn/xx.jpg, wherein xx.jpg can be the picture
The resource identification of the target resource of form.
In the present embodiment, after scheduling system in edge receives resource acquisition request, which can be asked
The cache server being dispatched in associated server cluster is asked to be handled.Specifically, edge scheduling system can be according to pre-
The scheduling strategy first configured is requested to dispatch the resource acquisition.For example, edge scheduling system can by consistency hash algorithm,
Calculate the resource acquisition request cryptographic Hash, and by the cryptographic Hash in server cluster corresponding cache server, as this
The cache server of resource acquisition request scheduling extremely.
Certainly, in practical applications, scheduling system in edge can also dispatch the resource according to other scheduling strategies and obtain
Take request.For example, scheduling system in edge can detecte the load condition that each cache server is current in server cluster, and can
With by the resource acquisition request scheduling to loading at minimum cache server.
In the present embodiment, scheduling system in edge passes through the caching by resource acquisition request scheduling into server cluster
At server, so as to attempt to obtain corresponding target resource from server cluster.Specifically, it is breathed out according to above-mentioned consistency
The scheduling mode of uncommon algorithm, determined in the server cluster cache server that the resource acquisition request maps to it
Afterwards, scheduling system in edge can request the resource acquisition to be sent to the cache server, to be taken by the caching
Business device provides the target resource.In addition, scheduling system in edge can also traverse the clothes of each caching in the server cluster
It is engaged in device, to successively attempt to obtain the target resource from each cache server, when getting the target resource
Afterwards, ergodic process can be stopped.In this way, scheduling system in edge can be attempted to provide target money by single cache server
Source can also attempt to obtain target resource by way of traversing multiple cache servers.
S3: if the target resource can not be got from the server cluster, inquiry is for storing the target money
Another destination server cluster in source, and send and be directed toward to the associated object edge scheduling system of the destination server cluster
The scheduling agent of the target resource is requested.
In the present embodiment, if the cache server mapped in the server cluster is requested in the resource acquisition
Each cache server in the target resource or the server cluster, which can not be provided, can not provide the target money
Source then shows that scheduling system in edge can not get the target resource from the server cluster at present.It causes not obtaining
The reason of getting target resource may be that there is currently no the target resources in cache server, but in cache server
Resource information does not timely update, has mistakenly been accessed edge scheduling system so as to cause client.At this point, in order to
Enough correctly to provide target resource to client, scheduling system in edge can inquire in CDN for storing the target resource
Another destination server cluster.
Specifically, system is dispatched at each edge in CDN, can be according to the specified time cycle in central dispatching system
The resource pool information of itself is reported, which can be currently stored in the server cluster of edge scheduling system relationship
The Resources list of every resource.It, can be in this way, central dispatching system dispatches the resource pool information that reports of system according to each edge
Summarize and analyze to obtain resource scheduling information, which can be used for characterizing the server set for having same asset pond
Group.For example, central dispatching system can be by the cluster of these server clusters for the server cluster for having same asset pond
The system banner of mark and corresponding edge scheduling system is deposited in jointly in the same scheduling set.In practical applications,
Each edge scheduling system in CDN can load newest scheduling of resource letter according to the specified period from central dispatching system
Breath or each edge scheduling system can also receive the newest scheduling of resource letter that the central dispatching system actively issues
Breath, so as to update scheduling of resource current in each edge scheduling system according to the newest resource scheduling information
Information.
In the present embodiment, if the edge scheduling system that client accesses nearby can not be from associated server cluster
Target resource is got, then scheduling system in the edge can read current resource scheduling information, and according to described current
The server cluster of resource scheduling information, inquiry and edge scheduling system relationship has the destination server collection in same asset pond
Group.Specifically, edge scheduling system can be using the cluster identity of itself associated server cluster as index condition, in resource
Inquiry is in other cluster identities in same scheduling set with the cluster identity in scheduling information, may thereby determine that this is other
The corresponding destination server cluster of cluster identity.
It may include IP in a practical application scene, in the resource scheduling information that is locally stored of edge scheduling system
Location library can indicate the IP address for having the server cluster in same asset pond and each server cluster in the IP address library
The IP address of associated edge scheduling system.In this way, scheduling system in edge can lead to after inquiry obtains destination service cluster
The mode for crossing agency sends the agency's tune for being directed toward target resource to the associated object edge scheduling system of the destination server cluster
Degree request.
It in the present embodiment, is the side based on agency to allow object edge to dispatch the request of the system aware scheduling agent
What formula was sent, the edge scheduling system that client accesses nearby addition can be used to characterize agency in resource acquisition request
The label of scheduling, and the resource acquisition for carrying label request is sent to the object edge tune as scheduling agent request
Degree system.For example, the resource acquisition request that client is sent for example can be https: //test.com.cn/xx.jpg,
Characterization scheduling agent label can be wsiphost=proxy, then the resource acquisition request in be added to the label it
Can afterwards, https be obtained: //test.com.cn/xx.jpg the request of scheduling agent as wsiphost=proxy.This
Sample, edge are dispatched between system and object edge scheduling system, be may not need and are carried out additional communication negotiation process, but pass through
The mode of agency carries out data interaction, during communication negotiation, since data caused by certificate is dangerous pass
Defeated is dangerous.
S5: it is requested in object edge scheduling system in response to the scheduling agent, from the destination server cluster
It is middle obtain the target resource in the case where, receive the target resource of the object edge scheduling system feedback, and by institute
It states target resource and is supplied to the client.
In the present embodiment, object edge scheduling system, can be from the agency after receiving scheduling agent request
The resource identification of target resource is identified in scheduling request, and can be attempted according to scheduling mode similar in step S3 from pass
The target resource is obtained in the destination server cluster of connection.After object edge scheduling system gets the target resource,
The target resource is returned to edge scheduling system.System is dispatched so as to which the target resource is supplied to client in edge
End, to complete the process of resource acquisition.
In one embodiment, if object edge scheduling system still can not be got from destination server cluster
Target resource, the system that can dispatch to edge, which sends characterization, can not obtain the feedback information of resource.Scheduling system in edge is connecing
It, can be according to this after receiving the feedback information that the characterization that the object edge scheduling system is sent can not obtain the target resource
Ground storage resource scheduling information, inquire again for store the target resource in addition to the destination server cluster
Another server cluster, and sent to the associated edge scheduling system of another described server cluster and be directed toward the target money
The scheduling agent in source is requested.Similarly, another server cluster inquired, the service with edge scheduling system relationship
Device cluster can also have identical resource pool.
It should be noted that the above-mentioned server cluster for having same asset pond, is believed according to current scheduling of resource
Breath inquiry obtains.But in practical applications, in certain server cluster actual storage resource, may believe with scheduling of resource
Breath is not inconsistent, so that will lead to can not normally get target resource, just may require that mention by the application above embodiment in this way
The technical solution of confession is attempted to obtain target resource between different server clusters.The resource of this actual storage, with resource
The case where scheduling information is not inconsistent in edge scheduling system can give the correct time in resource information and be corrected, be in the phase people having the same aspiration and interest originally
Server cluster in degree set, may be divided in different scheduling sets due to resource change.It can protect in this way
The accuracy of resource scheduling information is demonstrate,proved, so as to improve the success rate of resource acquisition.
Referring to Fig. 4, the application also provides a kind of edge scheduling system, the edge scheduling system and server set faciation
Association；Dispatch system in the edge
Requesting processing, for receiving the resource acquisition request for the direction target resource that client sends, and attempt from
The target resource is obtained in the server cluster；
Scheduling agent unit, if for that can not get the target resource from the server cluster, inquiry is used for
Store another destination server cluster of the target resource, and to the associated object edge tune of the destination server cluster
Degree system sends the scheduling agent request for being directed toward the target resource；
Resource feedback unit, for requesting in object edge scheduling system in response to the scheduling agent, from described
In the case where obtaining the target resource in destination server cluster, the mesh of the object edge scheduling system feedback is received
Resource is marked, and the target resource is supplied to the client.
In one embodiment, the scheduling agent unit includes:
Resource pool enquiry module, for reading resource scheduling information current in the edge scheduling system, and according to institute
Current resource scheduling information is stated, the server cluster that inquiry dispatches system relationship with the edge has the mesh in same asset pond
Mark server cluster.
In one embodiment, the scheduling agent unit includes:
Label adding module, for adding the label for characterizing scheduling agent in resource acquisition request, and will
The resource acquisition request for carrying the label is sent to the object edge scheduling system as scheduling agent request.
In one embodiment, the system also includes:
Scheduling unit again, for the mesh can not to be obtained in the characterization for receiving the object edge scheduling system transmission
After the feedback information for marking resource, inquired again for storing the another in addition to the destination server cluster of the target resource
One server cluster, and sent to the associated edge scheduling system of another described server cluster and be directed toward the target resource
Scheduling agent request.
Referring to Fig. 5, the application also provides a kind of edge dispatch server, the edge dispatch server includes processor
And memory, the memory is for storing computer program, when the computer program is executed by the processor, in realization
The resource acquiring method stated.
Referring to Fig. 6, in this application, the technical solution in above-described embodiment can be applied to meter as shown in FIG. 6
In calculation machine terminal 10.Terminal 10 may include 102 (processor of one or more (one is only shown in figure) processors
102 can include but is not limited to the processing unit of Micro-processor MCV or programmable logic device FPGA etc.), for storing data
Memory 104 and transmission module 106 for communication function.It will appreciated by the skilled person that shown in Fig. 6
Structure be only illustrate, the structure of above-mentioned electronic device is not caused to limit.For example, terminal 10 may also include ratio
More perhaps less component shown in Fig. 6 or with the configuration different from shown in Fig. 6.
Memory 104 can be used for storing the software program and module of application software, and processor 102 is stored in by operation
Software program and module in memory 104, thereby executing various function application and data processing.Memory 104 can wrap
Include high speed random access memory, may also include nonvolatile memory, as one or more magnetic storage device, flash memory or
Other non-volatile solid state memories.In some instances, memory 104 can further comprise long-range relative to processor 102
The memory of setting, these remote memories can pass through network connection to terminal 10.The example of above-mentioned network includes
But be not limited to internet, intranet, local area network, mobile radio communication and combinations thereof.
Transmitting device 106 is used to that data to be received or sent via a network.Above-mentioned network specific example may include
The wireless network that the communication providers of terminal 10 provide.In an example, transmitting device 106 includes that a network is suitable
Orchestration (Network Interface Controller, NIC), can be connected by base station with other network equipments so as to
Internet is communicated.In an example, transmitting device 106 can be radio frequency (Radio Frequency, RF) module,
For wirelessly being communicated with internet.
Therefore technical solution provided by the present application, when the edge scheduling system that client accesses nearby receives visitor
When the resource acquisition request that family end is sent, it can attempt to obtain corresponding target resource from associated server cluster.If
Scheduling system in the edge can not get target resource, then another target clothes for storing the target resource can be inquired
Business device cluster, and scheduling agent request, the generation can be sent to the associated object edge scheduling system of the destination server cluster
Reason scheduling request can be used for obtaining target resource from destination server cluster.In this way, object edge scheduling system receives
After scheduling agent request, above-mentioned target resource can be obtained from destination server cluster, and can be anti-by target resource
Dispatch system in the edge that client of feeding accesses nearby.Subsequent, target resource can be supplied to client by edge scheduling system,
To complete the process of resource acquisition.In the process resource access, client is only needed to the edge scheduling system accessed nearby
System sends first resource acquisition request, without sending repeatedly request to different edge scheduling systems, to alleviate client
Burden, optimize the usage experience of user.In addition, edge scheduling system dispatches system by agent way, to object edge
When sending scheduling agent request, without carrying out communication negotiation with object edge scheduling system, to ensure that the peace of resource acquisition
Quan Xing.
Each embodiment in this specification is described in a progressive manner, same and similar between each embodiment
Part may refer to each other, what each embodiment stressed is the difference with other embodiments.In particular, needle
For the embodiment of system and server, the introduction control for being referred to the embodiment of preceding method is explained.
Through the above description of the embodiments, those skilled in the art can be understood that each embodiment can
It realizes by means of software and necessary general hardware platform, naturally it is also possible to pass through hardware.Based on this understanding, on
Stating technical solution, substantially the part that contributes to existing technology can be embodied in the form of software products in other words, should
Computer software product may be stored in a computer readable storage medium, such as ROM/RAM, magnetic disk, CD, including several fingers
It enables and using so that a computer equipment (can be personal computer, server or the network equipment etc.) executes each implementation
Method described in certain parts of example or embodiment.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (12)
1. a kind of resource acquiring method, which is characterized in that the method is applied in edge scheduling system, edge scheduling system
It unites associated with server cluster；The described method includes:
The resource acquisition request for the direction target resource that client is sent is received, and attempts to obtain institute from the server cluster
State target resource；
If the target resource can not be got from the server cluster, inquire for storing the another of the target resource
A destination server cluster, and sent to the associated object edge scheduling system of the destination server cluster and be directed toward the target
The scheduling agent of resource is requested；
It is requested in object edge scheduling system in response to the scheduling agent, obtains institute from the destination server cluster
In the case where stating target resource, the target resource of the object edge scheduling system feedback is received, and the target is provided
Source is supplied to the client.
2. the method according to claim 1, wherein attempting to obtain the target money from the server cluster
Source includes:
Determine that the cache server mapped to is requested in the resource acquisition in the server cluster, and by the resource acquisition
Request is sent to the cache server, to provide the target resource by the cache server；
Or
Each cache server in the server cluster is traversed, described in successively obtaining from each cache server
Target resource；After getting the target resource, stop ergodic process.
3. method according to claim 1 or 2, which is characterized in that can not be got from the server cluster described
Target resource includes:
If the cache server that the resource acquisition request maps in the server cluster can not provide the target money
Each cache server in source or the server cluster can not provide the target resource, and judgement can not be from described
The target resource is got in server cluster.
4. the method according to claim 1, wherein the method also includes:
Newest resource scheduling information is loaded from central dispatching system according to the specified period, or receives the central dispatching system
The newest resource scheduling information that system issues, and updated in the edge scheduling system according to the newest resource scheduling information
Current resource scheduling information；Wherein, the resource scheduling information is for characterizing the server cluster for having same asset pond.
5. method according to claim 1 or 4, which is characterized in that inquire for store the target resource another
Destination server cluster includes:
Resource scheduling information current in the edge scheduling system is read, and according to the current resource scheduling information, is looked into
Ask the destination server cluster for having same asset pond with the server cluster of edge scheduling system relationship.
6. the method according to claim 1, wherein to the associated object edge tune of the destination server cluster
The scheduling agent that degree system sends the direction target resource is requested
The label for characterizing scheduling agent, and the resource acquisition that the label will be carried are added in resource acquisition request
Request is sent to the object edge scheduling system as scheduling agent request.
7. the method according to claim 1, wherein the method also includes:
After receiving the characterization that the object edge scheduling system is sent and can not obtain the feedback information of the target resource, then
Secondary another server cluster in addition to the destination server cluster inquired for storing the target resource, and to institute
It states the associated edge scheduling system of another server cluster and sends the scheduling agent request for being directed toward the target resource.
8. system is dispatched at a kind of edge, which is characterized in that the edge scheduling system is associated with server cluster；The edge
Scheduling system includes:
Requesting processing for receiving the resource acquisition request for the direction target resource that client is sent, and is attempted from described
The target resource is obtained in server cluster；
Scheduling agent unit, if inquiring for the target resource can not to be got from the server cluster for storing
Another destination server cluster of the target resource, and be to the associated object edge scheduling of the destination server cluster
System sends the scheduling agent request for being directed toward the target resource；
Resource feedback unit, for being requested in object edge scheduling system in response to the scheduling agent, from the target
In the case where obtaining the target resource in server cluster, the target money of the object edge scheduling system feedback is received
Source, and the target resource is supplied to the client.
9. system according to claim 8, which is characterized in that the scheduling agent unit includes:
Resource pool enquiry module is worked as reading resource scheduling information current in the edge scheduling system, and according to described
The target that the server cluster of preceding resource scheduling information, inquiry and edge scheduling system relationship has same asset pond takes
Business device cluster.
10. system according to claim 8, which is characterized in that the scheduling agent unit includes:
Label adding module for adding the label for characterizing scheduling agent in resource acquisition request, and will carry
The resource acquisition request of the label is sent to the object edge scheduling system as scheduling agent request.
11. system according to claim 8, which is characterized in that the system also includes:
Scheduling unit again, for the target money can not to be obtained in the characterization for receiving the object edge scheduling system transmission
After the feedback information in source, another in addition to the destination server cluster for storing the target resource is inquired again
Server cluster, and the generation for being directed toward the target resource is sent to the associated edge scheduling system of another described server cluster
Manage scheduling request.
12. a kind of edge dispatch server, which is characterized in that the edge dispatch server includes memory and processor, institute
Memory is stated for storing computer program, when the computer program is executed by the processor, realize such as claim 1 to
Any method in 7.
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