CN110336848A - A kind of dispatching method and scheduling system, equipment of access request - Google Patents
A kind of dispatching method and scheduling system, equipment of access request Download PDFInfo
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- CN110336848A CN110336848A CN201910327867.0A CN201910327867A CN110336848A CN 110336848 A CN110336848 A CN 110336848A CN 201910327867 A CN201910327867 A CN 201910327867A CN 110336848 A CN110336848 A CN 110336848A
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- server
- access request
- scheduling system
- cache server
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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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/56—Provisioning of proxy services
- H04L67/568—Storing data temporarily at an intermediate stage, e.g. caching
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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 dispatching method of access request and scheduling systems, equipment, wherein the described method includes: receiving the access request that client is sent, and the access request is dispatched to the first cache server；Receive and parse through the response message that first cache server is directed to access request feedback, if the response message, which characterizes first cache server, can not provide the resource that the access request is directed toward, the redirection link for being directed toward the second cache server is generated；Redirection link is sent to the client, so that the client, which is linked according to the redirection to second cache server, re-initiates access request.Technical solution provided by the present application can be improved the probability that access request is responded, so as to improve the usage experience of user.
Description
Technical field
The present invention relates to Internet technical field, in particular to the dispatching method and scheduling system of a kind of access request are set
It is standby.
Background technique
In current CDN (Content Delivery Network, content distributing network), scheduling system is being received
It, can be according to IP address requesting, the URL (Uniform carried in the access request after the access request that client is sent
Resource Locator, uniform resource locator), the information such as domain name, cryptographic Hash is calculated by hash algorithm, and should
Access request is dispatched at the corresponding cache server of the cryptographic Hash being calculated, to be mentioned by the cache server to client
The resource being directed toward for the access request.
In practical applications, there may be a series of scenes, so that the buffer service being calculated by hash algorithm
Device normally can not provide cache resources to client.For example, when client service platform migration when, scheduling system may without and
Shi Gengxin nodal information, and lead to cache server be calculated by hash algorithm or old, and then lead to old delay
Depositing server cannot respond to the access request of client.In another example will lead to tune when the DNS cache in client is not cleared up
The access request that client is sent is dispatched to the cache server being not present by degree system, or is dispatched to and can not be provided resource
Cache server, so that also resulting in access request can not be responded.
In the prior art, when the access request of client can not be responded, scheduling system will be to client feedback
The prompt information of failure is requested, this undoubtedly will affect the usage experience of user.
Summary of the invention
A kind of dispatching method and scheduling system, equipment for being designed to provide access request of the application, can be improved visit
The probability that request is responded is asked, so as to improve the usage experience of user.
To achieve the above object, on the one hand the application provides the dispatching method of a kind of access request, and the method is applied to
In scheduling system, which comprises receive the access request that client is sent, and the access request is dispatched to first and is delayed
Deposit server；The response message that first cache server is directed to access request feedback is received and parsed through, if the sound
It answers the first cache server described in information representation that can not provide the resource that the access request is directed toward, generates and be directed toward the second caching clothes
The redirection link of business device；Redirection link is sent to the client, so that the client is according to described heavy
Directional link re-initiates access request to second cache server.
To achieve the above object, on the other hand the application also provides a kind of scheduling system, the system comprises: the first scheduling
Unit, the access request sent for receiving client, and the access request is dispatched to the first cache server；It redirects
Generation unit is linked, the response message for being directed to access request feedback for receiving and parsing through first cache server,
If the response message characterizes first cache server and can not provide the resource that the access request is directed toward, generates and be directed toward the
The redirection of two cache servers links；Second scheduling unit, for redirection link to be sent to the client, with
So that the client, which is linked according to the redirection to second cache server, re-initiates access request.
To achieve the above object, on the other hand the application also provides a kind of controlling equipment, and the controlling equipment includes processing
Device and memory, the memory is for storing computer program, when the computer program is executed by the processor, realizes
The dispatching method of above-mentioned access request.
Therefore technical solution provided by the present application can should after receiving the access request that client is sent
Access request is dispatched to the first cache server.Then, the first cache server can be directed to the access request, to scheduling system
Feedback response information.Scheduling system can parse the response message, if the response message characterizes first cache server
The resource that the access request is directed toward can not be provided, then scheduling system can trigger two times scheduling, which is dispatched
To another cache server.Specifically, the redirection link for being directed toward the second cache server can be generated in scheduling system, and
Redirection link is sent to the client.In this way, the client is after receiving redirection link, Ke Yixiang
Second cache server initiates access request, so as to obtain corresponding cache resources from the second cache server.This Shen
The technical solution that please be provided can trigger two times scheduling when current cache server normally can not provide cache resources
Process enables the access request of client to be handled by other cache servers, is responded to improve access request
Probability, and then the usage experience of user can be improved.
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 the system architecture schematic diagram of CDN in embodiment of the present invention；
Fig. 2 is the dispatching method schematic diagram of access request in embodiment of the present invention；
Fig. 3 is the first schematic diagram that access request is forwarded in embodiment of the present invention；
Fig. 4 is the second schematic diagram that access request is forwarded in embodiment of the present invention；
Fig. 5 is the functional block diagram that system is dispatched 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 dispatching method of access request, and the method can be applied in scheduling system.It please refers to
It may include multiple scheduling systems, each scheduling system can correspond to a service in Fig. 1, CDN locating for the scheduling system
Device cluster.It wherein, may include one or more cache server in the server cluster, it can in the cache server
To store every Internet resources.Typically, each cache server in the same server cluster can have identical
Resource pool, that is to say, that in each cache server in the same server cluster, can store identical Internet resources.
As shown in Figure 1, can also include central server in the CDN, which can be connected with each scheduling system.?
In the central server, the system information of each scheduling system can store.The system information for example may include scheduling system
Resource pool belonging to the mailing address of system, scheduling system, the cache server for including in the corresponding server cluster of scheduling system
The range of information such as quantity, the current working condition of scheduling system.
Referring to Fig. 2, the dispatching method provided by the present application applied to the access request in above-mentioned scheduling system, can wrap
Include following steps.
S1: the access request that client is sent is received, and the access request is dispatched to the first cache server.
In the present embodiment, it when client needs to access some Internet resources, can be initiated for the Internet resources
Access request, the IP where the server (or server cluster) for storing the Internet resources can be carried in the access request
Location (or domain name), the Internet resources the information such as resource identification.The access request can be received by the scheduling system in CDN.
Subsequent, which can be dispatched to the access request at some cache server in the server cluster of itself.Tool
Cryptographic Hash can be calculated by hash algorithm according to the access request in body, scheduling system, and by the access request tune
At degree to corresponding first cache server of the cryptographic Hash.
S3: the response message that first cache server is directed to access request feedback is received and parsed through, if described
Response message, which characterizes first cache server, can not provide the resource that the access request is directed toward, and generate and be directed toward the second caching
The redirection of server links.
It in the present embodiment, can be with after first cache server receives the access request that scheduling system is sent
It whether there is the resource that the access request is directed toward in local search.If it is present corresponding resource can be supplied to described
Client, and to scheduling the normal response message of system feedback.If it does not, so the first cache server is then without normal direction visitor
Family end provides required resource, at this point, the first cache server can not provide the access to scheduling system feedback characterization
Request the response message for the resource being directed toward.
It in the present embodiment, can be with after scheduling system receives the response message of first cache server feedback
The response message is parsed, therefore, it is determined that whether the response message, which characterizes the first cache server, can not provide corresponding resource.Such as
The fruit response message, which characterizes the first cache server, can not provide corresponding resource, then scheduling system can trigger two times scheduling
Process, the access request is dispatched at another cache server in server cluster, with pass through another cache
Server provides corresponding resource to client.
In a concrete application scene, in the response message of the first cache server feedback, the shape of carrying can be passed through
State code, or by the specific field in head information, to indicate whether to be capable of providing the corresponding resource of access request.In this way, adjusting
Degree system can identify the shape carried in the specific field in the head information of the response message, or the identification response message
State code, if the specific field is assigned a value of characterizing the assignment that can not obtain cache resources or the status code as characterization nothing
Method obtains the status code of cache resources, then scheduling system can be determined that the response message characterizes first cache server
The resource that the access request is directed toward can not be provided.For example, characterization can not obtain the status codes of cache resources for example can be with
It is -1 status code, 502 states or 503 status codes etc..Specific field in the head information, such as can be Not_CF word
Section.If Not_CF field is assigned a value of Yes, show that first cache server can not provide the access request and refer to
To resource.
In one embodiment, scheduling system, can be in the first caching clothes after the process of triggering two times scheduling
The cache server for being currently at available mode is determined in server cluster locating for business device.Wherein, for having fed back characterization nothing
For method provides the cache server of resource, scheduling system can be by the working condition of the cache server labeled as unavailable.
For example, if the first above-mentioned cache server can not provide access request corresponding resource, scheduling system is in parsing the
It, can be by the working condition of the first cache server labeled as unavailable after the response message of one cache server feedback.So,
Scheduling system can will be rejected out of optional range after triggering two times scheduling labeled as not available cache server,
Remaining other cache servers in server cluster, can be as the cache server for being currently at available mode.For
Be currently at the cache server of available mode, scheduling system can arbitrarily select one as the second cache server.
Certainly, scheduling system can also be selected from the cache server for be currently at available mode according to existing load balancing
The cache server of a relative free is selected as the second cache server.Subsequent, scheduling system can be cached described second
The mailing address of server is as the redirection link generated.Wherein, the redirection link can redirect real by 302
It is existing.Since the second cache server and the first cache server are in the same server cluster, the first buffer service
Have identical cache resources in device and the second cache server.It can guarantee the second buffer service after redirecting in this way
Device, the resource needed for normally can providing it to client.
It should be noted that first cache server and second cache server, originally may be at same
In a server cluster, therefore can have identical cache resources.It is subsequent, due to client DNS record do not remove or
First cache server is removed the reasons such as original server cluster, client hair by undercarriage or the first cache server
After the access request risen is scheduled to the first cache server, the first cache server can not provide corresponding cache resources.This
When, the response message that scheduling system can be fed back according to the first cache server, selection was originally in the first cache server
Other cache servers in same server cluster, and other cache servers by selecting provide accordingly to client
Cache resources.
S5: redirection link is sent to the client, so that the client is according to the redirection chain
It connects to second cache server and re-initiates access request.
In the present embodiment, which can be linked and be fed back after generating the redirection link by scheduling system
To client.Subsequent, client can be linked according to the redirection, re-initiate access request.The access re-initiated is asked
Asking can be scheduled at system call to the second cache server, thus corresponding to client feedback by the second cache server
Resource.If the second cache server can not still provide corresponding resource, scheduling system can trigger secondary again
The process of scheduling generates the redirection link for being directed toward third cache server, and caches and take to the client feedback direction third
The redirection link of business device.Certainly, in practical applications, link is redirected in order to avoid generating too much, and leads to client
Waiting time is more long, can generate fixed number of times redirection link after, if can not still provide corresponding resource,
Scheduling system can access the prompt information of error to client feedback, and stop triggering two times scheduling.
In one embodiment, scheduling system can also first judge after receiving the access request that client is sent
In the server cluster of itself, if there are available cache servers.It, can be by if there is available cache server
According to the description in step S1, access request is dispatched to the first cache server therein.In certain application scenarios, scheduling system
It unites corresponding server cluster, it is possible that collective's failure, or scheduling system can not be normal with corresponding server cluster
Communication, at this point, scheduling system can not detect that there are available cache servers in server cluster.At this point, scheduling system is just
The access request can not be handled by the server cluster of itself.In this case, scheduling system can equally trigger two
The access request is forwarded at another scheduling system by secondary scheduling, to pass through the service under another described scheduling system
The device cluster processing access request.
Referring to Fig. 3, can be taken to center if available cache server is not present under current scheduling system
Business device sends scheduling request, and the system banner of current scheduling system itself can be carried in the scheduling request.In this way, due in
Centre server memory has stored up the system information of each scheduling system, and the system information can characterize at which current scheduling system
Which it is in identical resource pool in available mode and scheduling system, therefore, central server can identify described in transmission
The corresponding resource pool of scheduling system of scheduling request, and select to be currently in the corresponding each scheduling system of the resource pool
Another scheduling system of available mode.For example, the multiple scheduling systems being connected with central server, can be according to resource
Pond is divided.Multiple scheduling systems corresponding with the same resource pool, can be divided to same scheduling system group
In.In this way, central server identifies after sending the corresponding resource pool of scheduling system of the scheduling request, in order to guarantee again
Scheduling system after selection can normally handle the access request of client, therefore can be corresponding each in the resource pool identified
In a scheduling system, the scheduling system for being in available mode is selected.Specifically, for the scheduling system of transmission scheduling request
For, corresponding server cluster is currently all in down state, therefore central server can be by the scheduling system
Labeled as unavailable.In selection scheduling system, central server can will labeled as not available scheduling system from may be selected
In the range of reject, and select a scheduling system from remaining scheduling system, be in the another of available mode as above-mentioned
One scheduling system.Subsequent, central server, which can feed back to the mailing address of another scheduling system, sends the tune
Spend the scheduling system of request.In this way, the scheduling system for sending the scheduling request can receive the central server feedback
The mailing address of another scheduling system, and according to the mailing address, the access request is forwarded to described another
A scheduling system, to handle the access request by the cache server under another described scheduling system.
In one embodiment, first cache server may be only included in scheduling system, and it is slow to remove described first
It deposits except server, other available cache servers is just not present.Referring to Fig. 4, when the scheduling caching clothes of system analysis first
The response message for device feedback of being engaged in, after knowing that the first cache server can not provide corresponding resource, discovery is in first caching
There is no the cache servers for being currently at available mode in server cluster locating for server.In this case, it dispatches
The access request can be forwarded at another scheduling system by system, to pass through the service under another described scheduling system
The device cluster processing access request.Specifically, can mode as described above, scheduling system can be to central server
Scheduling request is sent, so that the central server selects another scheduling system according to the corresponding resource pool of scheduling system
To handle the access request of the client.
In one embodiment, central server can regularly update the system information of each scheduling system.Specifically,
Each scheduling system can feed back the system letter of itself to central server according to the specified period arranged with central server
Breath.It may include the caching clothes that shared state is currently in the corresponding server cluster of scheduling system in the system information
Mailing address that quantity, the scheduling system of business device are presently in, the current information such as corresponding resource pool of scheduling system.In in this way,
After centre server receives the system information that each scheduling system reports, the working condition of each scheduling system can be marked, with
And according to newest resource pool information, scheduling system is divided according to resource pool.
The application also provides a kind of scheduling system, referring to Fig. 5, the scheduling system includes:
First scheduling unit, the access request sent for receiving client, and the access request is dispatched to first
Cache server；
Link generation unit is redirected, it is anti-for the access request for receiving and parsing through first cache server
The response message of feedback, if the response message characterizes first cache server and can not provide the money that the access request is directed toward
Source generates the redirection link for being directed toward the second cache server；
Second scheduling unit, for redirection link to be sent to the client, so that the client root
It links according to the redirection to second cache server and re-initiates access request.
In one embodiment, the redirection link generation unit includes:
Identification module, for identification specific field in the head information of the response message, or the identification response letter
The status code carried in breath；
Determination module, if being assigned a value of characterization for the specific field and can not obtain the assignment of cache resources, Huo Zhesuo
Stating status code is the status code that characterization can not obtain cache resources, determines that the response message characterizes first cache server
The resource that the access request is directed toward can not be provided.
In one embodiment, the redirection link generation unit includes:
Available cache memory server determining module, for being determined in the server cluster locating for first cache server
It is currently at the cache server of available mode；
Server se-lection module, for being currently at the second caching of selection clothes in the cache server of available mode from described
Business device, and linked the mailing address of second cache server as the redirection generated；Wherein, the first caching clothes
The each cache server being engaged in server cluster locating for device, has identical cache resources.
In one embodiment, first scheduling unit, if being also used to locating for first cache server
There is no the cache server for being currently at available mode in server cluster, the access request is forwarded to another scheduling
At system, to handle the access request by the server cluster under another described scheduling system.
In one embodiment, first scheduling unit further include:
Server judgment module, for judging under the scheduling system with the presence or absence of available cache server；
Correspondingly, first scheduling unit, if for there are available cache servers under the scheduling system, by institute
It states access request and is dispatched to the first cache server；It, will be described if available cache server is not present under the scheduling system
Access request is forwarded at another scheduling system, by described in the server cluster processing under another described scheduling system
Access request.
In one embodiment, first scheduling unit includes:
Scheduling request sending module, for sending scheduling request to central server, so that the central server is known
The corresponding resource pool of scheduling system of the scheduling request is not sent, and makes the central server corresponding in the resource pool
Each scheduling system in selection be currently at another scheduling system of available mode；
Access request forwarding module, for receiving the communication of another scheduling system described in the central server feedback
Address, and according to the mailing address, the access request is forwarded to another described scheduling system.
The application also provides a kind of controlling equipment, and the controlling equipment may include processor and memory, the storage
When the computer program is executed by the processor, above-mentioned access request may be implemented for storing computer program in device
Dispatching method.
Wherein, memory can be used for storing the software program and module of application software, and processor is stored in by operation
Software program and module in memory, thereby executing various function application and data processing.Memory may include high speed
Random access memory may also include nonvolatile memory, such as one or more magnetic storage device, flash memory or other are non-
Volatile solid-state.In some instances, memory can further comprise the memory remotely located relative to processor,
These remote memories can pass through network connection to terminal.The example of above-mentioned network include but is not limited to internet,
Intranet, local area network, mobile radio communication and combinations thereof.
Therefore technical solution provided by the present application can should after receiving the access request that client is sent
Access request is dispatched to the first cache server.Then, the first cache server can be directed to the access request, to scheduling system
Feedback response information.Scheduling system can parse the response message, if the response message characterizes first cache server
The resource that the access request is directed toward can not be provided, then scheduling system can trigger two times scheduling, which is dispatched
To another cache server.Specifically, the redirection link for being directed toward the second cache server can be generated in scheduling system, and
Redirection link is sent to the client.In this way, the client is after receiving redirection link, Ke Yixiang
Second cache server initiates access request, so as to obtain corresponding cache resources from the second cache server.This Shen
The technical solution that please be provided can trigger two times scheduling when current cache server normally can not provide cache resources
Process enables the access request of client to be handled by other cache servers, is responded to improve access request
Probability, and then the usage experience of user can be improved.
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 be realized by hardware.Based on such
Understand, substantially the part that contributes to existing technology can embody above-mentioned technical proposal in the form of software products in other words
Out, which may be stored in a computer readable storage medium, such as ROM/RAM, magnetic disk, CD, packet
Some instructions are included to use so that a computer equipment (can be personal computer, server or the network equipment etc.) executes
Method described in certain parts of each embodiment 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 (14)
1. a kind of dispatching method of access request, which is characterized in that the method is applied in scheduling system, the method packet
It includes:
The access request that client is sent is received, and the access request is dispatched to the first cache server；
The response message that first cache server is directed to access request feedback is received and parsed through, if the response message
The resource that the access request is directed toward can not be provided by characterizing first cache server, generated and be directed toward the second cache server
Redirect link；
Redirection link is sent to the client, so that the client is linked according to the redirection to described
Second cache server re-initiates access request.
2. the method according to claim 1, wherein parsing first cache server is asked for the access
The response message of feedback of negating includes:
Identify the status code carried in the specific field in the head information of the response message, or the identification response message；
Correspondingly, if the specific field be assigned a value of characterization can not obtain cache resources assignment or the status code be
Characterization can not obtain the status code of cache resources, determine that the response message characterizes first cache server and can not provide institute
State the resource of access request direction.
3. the method according to claim 1, wherein generating the redirection link packet for being directed toward the second cache server
It includes:
The cache server for being currently at available mode is determined in the server cluster locating for first cache server, and
The second cache server is selected from described be currently in the cache server of available mode, and by second cache server
Mailing address as generate redirection link；Wherein, each in server cluster locating for first cache server
A cache server has identical cache resources.
4. the method according to claim 1, wherein the method also includes:
If there is no the buffer services for being currently at available mode in the server cluster locating for first cache server
The access request is forwarded at another scheduling system by device, to pass through the server set under another described scheduling system
Group handles the access request.
5. the method according to claim 1, wherein the access request is dispatched to the first cache server
Before, the method also includes:
Judge under the scheduling system with the presence or absence of available cache server；
Correspondingly, if there are available cache servers under the scheduling system, the access request is dispatched to the first caching
Server；
If available cache server is not present under the scheduling system, the access request is forwarded to another scheduling system
Place, to handle the access request by the server cluster under another described scheduling system.
6. method according to claim 4 or 5, which is characterized in that the access request, which is forwarded to another scheduling, is
Include: at system
Scheduling request is sent to central server, so that central server identification sends the scheduling system of the scheduling request
It unites corresponding resource pool, and the central server is made to select currently to locate in the corresponding each scheduling system of the resource pool
In another scheduling system of available mode；
Receive the mailing address of another scheduling system of central server feedback, and according to the mailing address,
The access request is forwarded to another described scheduling system.
7. the method according to claim 1, wherein the method also includes:
The system information of itself is reported to central server according to the specified period, so that the central server is according to receiving
Each scheduling system system information, mark the working condition of each scheduling system, and will each scheduling system
System is divided according to resource pool.
8. a kind of scheduling system, which is characterized in that the scheduling system includes:
First scheduling unit, the access request sent for receiving client, and the access request is dispatched to the first caching
Server；
Link generation unit is redirected, for receiving and parsing through first cache server for access request feedback
Response message, if the response message characterizes first cache server and can not provide the resource that the access request is directed toward,
Generate the redirection link for being directed toward the second cache server；
Second scheduling unit, for redirection link to be sent to the client, so that the client is according to institute
It states redirection link and re-initiates access request to second cache server.
9. system according to claim 8, which is characterized in that the redirection links generation unit and includes:
Identification module, for identification in the specific field in the head information of the response message, or the identification response message
The status code of carrying；
Determination module, if being assigned a value of characterizing the assignment that can not obtain cache resources or the shape for the specific field
State code is the status code that characterization can not obtain cache resources, determines that the response message characterization first cache server can not
The resource that the access request is directed toward is provided.
10. system according to claim 8, which is characterized in that the redirection links generation unit and includes:
Available cache memory server determining module, it is current for being determined in the server cluster locating for first cache server
Cache server in available mode；
Server se-lection module, for selecting the second buffer service from described be currently in the cache server of available mode
Device, and linked the mailing address of second cache server as the redirection generated；Wherein, first buffer service
Each cache server in server cluster locating for device, has identical cache resources.
11. system according to claim 8, which is characterized in that first scheduling unit, if being also used to described first
There is no the cache servers for being currently at available mode in server cluster locating for cache server, by the access request
It is forwarded at another scheduling system, is asked with handling the access by the server cluster under another described scheduling system
It asks.
12. system according to claim 8, which is characterized in that first scheduling unit further include:
Server judgment module, for judging under the scheduling system with the presence or absence of available cache server；
Correspondingly, first scheduling unit, if for there are available cache servers under the scheduling system, by the visit
Ask request scheduling to the first cache server；If available cache server is not present under the scheduling system, by the access
Request is forwarded at another scheduling system, to handle the access by the server cluster under another described scheduling system
Request.
13. system according to claim 11 or 12, which is characterized in that first scheduling unit includes:
Scheduling request sending module, for sending scheduling request to central server, so that central server identification hair
The corresponding resource pool of scheduling system of the scheduling request is sent, and makes the central server corresponding each in the resource pool
Selection is currently at another scheduling system of available mode in a scheduling system；
Access request forwarding module, for receiving another scheduling system described in the central server feedback communicatedly
Location, and according to the mailing address, the access request is forwarded to another described scheduling system.
14. a kind of controlling equipment, which is characterized in that the controlling equipment includes processor and memory, and the memory is used for
Computer program is stored, when the computer program is executed by the processor, is realized as described in any in claim 1 to 7
Method.
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| CN201910327867.0A CN110336848B (en) | 2019-04-23 | 2019-04-23 | Scheduling method, scheduling system and scheduling equipment for access request |
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| CN201910327867.0A CN110336848B (en) | 2019-04-23 | 2019-04-23 | Scheduling method, scheduling system and scheduling equipment for access request |
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| CN110336848B CN110336848B (en) | 2022-12-20 |
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