CN105872014B - A kind of MCDN network resource scheduling method and server - Google Patents
A kind of MCDN network resource scheduling method and server Download PDFInfo
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- CN105872014B CN105872014B CN201610150715.4A CN201610150715A CN105872014B CN 105872014 B CN105872014 B CN 105872014B CN 201610150715 A CN201610150715 A CN 201610150715A CN 105872014 B CN105872014 B CN 105872014B
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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
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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
- H04L67/63—Routing a service request depending on the request content or context
Abstract
The present invention provides the MCDN network resource scheduling method and server of a kind of facing area load balancing, it is characterized in that, MCDN network is divided into different coverages, each coverage includes at least one service node and a region control server, the user content service request that base station forwards in the control server receiving area of region, according to service list in user content service request search domain, if there is at least one service node that can provide a user content service in region, service node in the region provided services to the user is then determined according to resource scheduling algorithm in preset region.MCDN network resource scheduling method provided by the present invention and server, the network structure for taking into account MCDN particular architectures and mobile subscriber use characteristic while, the scheduling of resource between the service node in region can be made to meet the requirement of load balancing.
Description
Technical field
The present invention relates to fields of communication technology, and in particular to a kind of MCDN network resource scheduling method and server.
Background technique
The growth of mobile terminal 4G flow brings challenges to the processing capacity of mobile radio communication, equal in core net, wireless net side
CDN (Content Distribution Network, the content distributing network) service node of deployment towards wireless network is formed
Mobile content distribution network MCDN (mobile CDN, MCDN), greatly alleviate the data service flow of mobile radio communication
Pressure, in MCDN network, in wireless side base station, network element node and core-network side network element node, are deployed with the service of MCDN network
Node.Since MCDN network has the particularity of mobile radio communication, if mobile subscriber is when using MCDN network, since position is moved
The raw switching of movable property, cause serve it service node be also required to change, or since the network element of mobile network is in network
The planning and designing stage is caused the network topology of MCDN network also more complicated by the restriction in geographical location, usually a city
City disposes a core net, and leading to the service node of core-network side, i.e. dispersion is excessively concentrated relatively again on geographical location.
Under the so complicated network structure of MCDN network, using traditional CDN network resource regulating method, far from
It is able to satisfy the load balancing demand of MCDN network, how fundamentally to solve the problem of load balancing of MCDN network, is realized
The distinctive network structure of MCDN network and user make the load balancing of MCDN network, are that the communications field urgently solves using under characteristic
Certainly the problem of.
Summary of the invention
The technical problem to be solved by the present invention is to provide a kind of MCDN for the drawbacks described above in the presence of the prior art
Network resource scheduling method and server, to solve the problem of load balancing of MCDN network existing in the prior art.
In order to meet the needs of mobile subscriber, under the premise of can not accomplish to the unified setting of all network elements, MCDN net
Generally using the form of classification deployment, the MCDN service node of wireless side network element deployment mainly mentions network as level-one service node
For the service content that clicking rate is high and committed memory space is small, and the MCDN service node of core-network side deployment is as secondary service
Node provides committed memory space biggish service content, and further, the service content MCDN network as user requests cannot
It is provided for user, it is necessary to access traditional internet and provide service for user.
The level-one service node that wireless side is disposed, purpose are mainly to adapt to the mobility of user, different level-one services
The service content that node provides is consistent, and guarantees that user during switching, will not be needed due to the interruption of service content
The connecting process of communication network is re-established, and since the network element that user accesses wireless side has uniqueness, so in level-one
Load balancing between service node can be met using traditional resource scheduling algorithm.
The secondary service node of MCDN network, is generally configured, while according to core according to the network element configuration of core net
The network structure of net, MCDN network also carry out the division of coverage.For the consistency for guaranteeing service, the service area of MCDN network
Domain is divided generally according to city, can be divided according to the area under one's jurisdiction in smaller city in practical application, or according to more
Big adjacent several cities are divided as a coverage.In one coverage MCDN, in different coverages
Provided service content is to maintain between consistent, different coverage to be connected with each other by toll cable.Institute of the present invention
The resource regulating method of the MCDN network of offer, be both solve carried out region division MCDN network secondary service node between
Load balancing the problem of.
The present invention provides a kind of MCDN network resource scheduling method, comprising:
The user content service request that base station forwards in the control server receiving area of region,
According to service list in user content service request search domain, service list includes each in region in the region
The service content and resource of service node use parameter,
It is domestic-investment according to preset region if there is at least one service node that can provide a user content service in region
Source dispatching algorithm transfers the resource of respective service node using parameter, determines service node in the region provided services to the user,
So that service node establishes connection in user and the region determined.
The present invention also provides a kind of MCDN network resource scheduling servers, comprising:
Receiving module, for the user content service request that base station in receiving area forwards, retrieval module in region is used for
Service list in storage region, and according to service list in user content service request search domain, column are serviced in the region
Table includes that the service content and resource of each service node in region use parameter,
Balance module in region, if for there is at least one service node that can provide a user content service in region,
The resource of respective service node is then transferred according to resource scheduling algorithm in preset region using parameter, determination provides a user clothes
Service node in the region of business,
Sending module, for sending connection message, so that service node establishes connection in user and the region determined.
MCDN network resource scheduling method provided by the present invention and server, by MCDN network in base station side and core net
Side is divided into two-level network structure, and the service content that wherein base station side service node provides is consistent, the service of core-network side
Node provides different content services, and it is for oral administration for management region that a region control server is arranged in a coverage
Load balancing between business node.MCDN network resource scheduling method provided by the present invention and server, in the net for taking into account MCDN
While the particular architectures of network structure and the use characteristic of mobile subscriber, the scheduling of resource between the service node in region can be made
Meet the requirement of load balancing.
Detailed description of the invention
For the clearer technical solution illustrated in the embodiment of the present invention, will make below to required in embodiment description
Attached drawing, which is done, simply to be introduced, it should be apparent that, drawings in the following description are some embodiments of the invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is the flow diagram of MCDN network resource scheduling method first embodiment provided by the invention；
Fig. 2 is the flow diagram of MCDN network resource scheduling method second embodiment provided by the invention；
Fig. 3 is the structure of the region control server of MCDN network resource scheduling method second embodiment provided by the invention
Schematic diagram；
Specific embodiment
Technical solution in order to enable those skilled in the art to better understand the present invention, with reference to the accompanying drawings and examples to this
Invention is described in further detail.Obviously, described embodiments are some of the embodiments of the present invention, rather than whole implementation
Example.Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts
Every other embodiment, shall fall within the protection scope of the present invention.
Fig. 1 is the flow diagram of MCDN network resource scheduling method first embodiment provided by the invention, as shown in Figure 1
MCDN network resource scheduling method first embodiment include the following steps:
Step S101, the user content service request of base station forwarding in the control server receiving area of region.
Specifically, MCDN level-one service node, that is, base station side service node is first after user initiates content service request
Its service content is first retrieved, such as cannot provide service for user by retrieval, base station is to MCDN secondary service joint core net side
Region control server forwarding user content service request.
Step S102, according to service list in user content service request search domain, service list packet in the region
The service content and resource for including each service node in region use parameter.
Specifically, being stored with service list in region in the control server of region, the list includes in this coverage
The service content that each service node can be provided, further include each service node resource using parameter, region control server root
According to the request content of user content service, it is whether useful that the service content that the service node in one's respective area can be provided is retrieved first
The content of family request.
Step S103, if there is at least one service node that can provide a user content service in region, according to default
Region in resource scheduling algorithm transfer the resource of respective service node using parameter, determine in the region provided services to the user
Service node, so that service node establishes connection in user and the region determined.
Specifically, having at least one service node when region control server retrieves in the service node in one's respective area
When can provide service for user, region control server will transfer the resource of at least one service node of the service of being capable of providing
It is determined to make a service node of load balancing in region according to resource scheduling algorithm in preset region using parameter,
And establish the connection between user and the service node of determination.
MCDN network resource scheduling method provided by the present embodiment carries out base station side and core-network side two-stage knot in MCDN
Structure divides, and core-network side is divided into different coverages, and is carried out in region according to resource scheduling algorithm in region
Unified scheduling of resource in region, to reach the load balancing of whole MCDN network.Resource in region provided by the present embodiment
The MCDN network resource scheduling method of scheduling, can satisfy the particularity of the MCDN network architecture and the shifting of mobile subscriber content service
Dynamic characteristic.
Fig. 2 is the flow diagram of MCDN network resource scheduling method second embodiment provided by the invention, as shown in Figure 2
MCDN network resource scheduling method second embodiment include the following steps:
S201, the user content service request of base station forwarding in receiving area.
Specifically, being no longer described in detail with the step S101 of embodiment one.
S202, according to service list in user content service request search domain.
Specifically, being no longer described in detail with the step S102 of embodiment one.
S203 judges whether have service node to be capable of providing content service in region.
Specifically, region control server according to search result, judges that whether having service node in region can be user
Content service is provided, if any step S204 being met, if it has not, skipping to step S207.
S204 judges whether there is at least one service node and is capable of providing service.
Specifically, having service node that can provide service for user in region by judgement, region control server needs
Further judge that the quantity of the service node of service can be provided as user, such as only one, meet step S205, such as there are two or
Greater than two, step S206 is skipped to.
S205 provides service by the service node retrieved.
Specifically, the service node for being capable of providing service such as retrieved only one, do not need carry out load balancing meter
It calculates, directly provides service by the service node retrieved for user.
S206 determines service node in the region provided services to the user according to resource scheduling algorithm in preset region.
Specifically, such as retrieve the service node of the service of being capable of providing there are two or be greater than two, region control server,
Need to determine that item month Honghu provides the service node of service according to resource scheduling algorithm in preset region.
The resource that resource scheduling algorithm needs to obtain corresponding service node in region preset first uses parameter, region
For the resource of interior all service nodes using in parameter all domain of the existence control servers, the resource parameters include user's request
Number, average response duration, current connection number, present flow rate, memory usage, cpu busy percentage.The region control server week
Phase property obtains the real value for the resource parameters that service node reports in region, and is preset with the upper limit of each resource parameters
Value and lower limit value.
Region control server by the real value of each resource parameters of respective service node and preset upper limit value and
Preset lower limit value is compared respectively,
If the real value of each resource parameters be respectively less than or be equal to preset upper limit value and be greater than or equal to it is preset under
Limit value then obtains the forward node number between the service node and the base station of the forwarding user request, forward node herein
It is to allow for the distance that the difference of service node geographically in region generates to influence, it will not be to content service
Service quality, which is brought, to be significantly affected, but forward node number understands the difference because of the time delay of the network equipment or the setting of routing, can be right
It is that the content service that user provides produces bigger effect eventually by being wirelessly connected.The forward node number is controlled by region and is serviced
Device is according to network topology data acquisition.
By the real value of each resource parameters and forward node number respectively with the real value of each resource parameters and turn
Sending out number of nodes, preset weight coefficient is multiplied correspondingly, and product addition is obtained the resource load of the respective service node
Value,
Finally determining that the resource load is worth the smallest service node is service node in the region provided services to the user.
That is, the load-balancing algorithm in region, has comprehensively considered the network element forward node number between service node and user
Resource parameters between service node.
S207 retrieves adjacent area service list.
Specifically, the present invention also provides phase mutual connection relationships as being capable of providing service without service node in region
Between different zones or user provides content service.Adjacent area service is also stored in the region control server
List, region control server is according to service list in user content service request search domain, the adjacent area service column
Table includes the service content of each service node in adjacent area, but does not store the resource ginseng of each service node in adjacent area
Number.
S208, judges whether adjacent area has service node to be capable of providing service.
Specifically, region control server further judges whether adjacent area has service node energy according to search result
It is enough that service is provided, if any step S210 being skipped to, if it has not, meeting step S209.
S209 is connected to outer net as user and provides service.
Specifically, when adjacent area also can provide content service without service node for user, region control service
User's request is forwarded to outer net gateway by device, is connected to outer net internet as user and is provided service.
S210 judges whether there is at least one service node and is capable of providing service.
Specifically, having been further determined whether when adjacent area has service node that can provide content service for user
At least one service node is capable of providing service, such as only one, meets step S211, and such as there are two or greater than two services sections
Point skips to step S212.
S211 provides service by the service node retrieved.
S212 determines the service section of the adjacent area provided services to the user according to preset interregional resource scheduling algorithm
Point.
Specifically, region control server is controlled according to preset interregional resource scheduling algorithm to the region of adjacent area
Server transfers the resource of respective service node using parameter, and by each resource parameters for the respective service node determined
Real value be compared respectively with preset upper limit value and preset lower limit value,
If the real value of each resource parameters be respectively less than or be equal to preset upper limit value and be greater than or equal to it is preset under
Limit value then obtains the network distance of the region control server of the service node and the forwarding user request, due to region
Between generally different city, interregional geographic distance service quality can be produced bigger effect, and turn in region
The influence that hair number of nodes generates can ignore, so needing to consider service section in interregional resource scheduling algorithm
Network distance between point.The network distance is geographic distance of the region control server according to network topology data acquisition.
By the real value of each resource parameters and the network distance real value and network with each resource parameters respectively
The one-to-one preset weight coefficient of distance is multiplied, and product addition is obtained the resource load of the interregional service node
Value,
Determine that resource load is worth the service node that the smallest service node is the adjacent area provided services to the user.That is,
Interregional load balancing mainly considers the resource parameters of geographical location distance and service node.
MCDN network resource scheduling method provided by the present embodiment, on the basis of example 1, it is further provided area
Different service content can be set in load-balancing algorithm between domain between different zones, trans-regional can provide clothes for user
Business, can to the greatest extent be user service, and can it is interregional reach make the whole net load balancing of MCDN network, be it is a set of more
The load balancing scheme of complete MCDN network.
Fig. 3 is the structure of the region control server of MCDN network resource scheduling method second embodiment provided by the invention
The region control server of schematic diagram, MCDN network resource scheduling method second embodiment as shown in Figure 3 includes:
Receiving module 301, in receiving area base station forward user content service request,
Area is retrieved for service list in storage region, and according to user content service request in retrieval module 302 in region
Service list in domain, in the region service list include each service node in region service content and resource using parameter,
The resource parameters specifically for storage include user's number of request, average response duration, current connection number, and present flow rate is interior
Utilization rate, cpu busy percentage are deposited, the region control server periodically acquires the resource ginseng that service node in region reports
Several real value, so that retrieval module is stored with the real value of each resource parameters in the region, and in the region
Retrieval module is preset with the upper limit value and lower limit value of each resource parameters.
Balance module 303 in region, if for there is at least one service node that can provide a user content clothes in region
Business then transfers the resource of respective service node using parameter according to resource scheduling algorithm in preset region, and true directional user mentions
For service node in the region of service, and indicate that sending module 306 sends connection message, so that in user and the region determined
Service node establishes connection, real value specifically for each resource parameters for the respective service node that will be determined and default
Upper limit value and preset lower limit value be compared respectively, if the real value of each resource parameters be respectively less than or be equal to it is preset
Upper limit value and be greater than or equal to preset lower limit value, then obtain the service node and it is described forwarding user request base station between
Forward node number, by the real value of each resource parameters and forward node number respectively with the real value of each resource parameters and
Preset weight coefficient is multiplied forward node number correspondingly, and the resource that product addition obtains the respective service node is born
Load value, determining that the resource load is worth the smallest service node is service node in the region provided services to the user.
Adjacent area retrieval module 304, for storing and retrieving adjacent area service list, the adjacent area service column
Table includes the service content of each service node in adjacent area,
Adjacent area balance module 305, if thering is at least one service node to be capable of providing service, root for adjacent area
Make according to preset interregional resource scheduling algorithm to the resource that the region control server of adjacent area transfers respective service node
With parameter, the service node of the adjacent area provided services to the user is determined, and indicate that sending module 306 sends connection message,
So that user and the service node of adjacent area determined establish connection, specifically for each of respective service node that will determine
The real value of the resource parameters is compared respectively with preset upper limit value and preset lower limit value, if each resource parameters
Real value be respectively less than or be equal to preset upper limit value and be greater than or equal to preset lower limit value, then obtain the service node with
The network distance of the region control server of the forwarding user request, by the real value and network distance of each resource parameters
Preset weight coefficient is multiplied correspondingly with the real value of each resource parameters and network distance respectively, by product addition
The resource load value of the interregional service node is obtained, determines that the smallest service node of resource load value is to provide a user clothes
The service node of the adjacent area of business.
Sending module 306, for sending connection message, so that service node establishes connection in user and the region determined.
MCDN network resource scheduling region control server provided by the present embodiment can in region and interregional be
In the case of user provides two kinds of content service, realizes in region and interregional unified resource is dispatched, provide more clothes for user
While content of being engaged in, the different reference values in region with interregional load balancing are considered respectively, are truly realized MCDN network the whole network
Load balancing.
In two embodiments provided herein, it should be understood that disclosed method and server can pass through
Other modes are realized.For example, apparatus embodiments described above are only schematical, the divisions of the functional module,
Only a kind of division of logic function, there may be another division manner in actual implementation, for example, multiple modules can combine or
Person is desirably integrated into another system, or some features can be ignored or not executed.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；
And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (4)
1. a kind of MCDN network resource scheduling method of facing area load balancing, which is characterized in that MCDN network to be divided into
Different coverages, each coverage include at least one service node and a region control server, described
Service list in region is stored in the control server of region, which comprises
The user content service request that base station forwards in the control server receiving area of region is examined according to user content service request
Service list in rope region, service list includes the service content and resource parameters of each service node in region in the region,
If there is at least one service node that can provide a user content service in region, according to resource tune in preset region
Degree algorithm transfers the resource parameters of respective service node, service node in the region provided services to the user is determined, so that user
Connection is established with service node in determining region；
Wherein, the resource parameters include user's number of request, average response duration, current connection number, present flow rate, memory utilization
Rate, cpu busy percentage,
The region control server periodically acquires the real value for the resource parameters that service node in region reports, and pre-
Upper limit value and lower limit value equipped with each resource parameters；
Wherein, the resource parameters that respective service node is transferred according to resource scheduling algorithm in preset region, determine to
Family provides service node in the region of service, specifically includes:
By the real value of each resource parameters for the respective service node determined and preset upper limit value and preset lower limit
Value is compared respectively,
If the real value of each resource parameters is respectively less than or is equal to preset upper limit value and is greater than or equal to preset lower limit value,
The forward node number between the service node and the base station for forwarding user's request is then obtained, by the reality of each resource parameters
Duration and forward node number respectively with the real value of each resource parameters and forward node number preset weight correspondingly
Product addition is obtained the resource load value of the respective service node by multiplication, alternatively,
If the real value of each resource parameters is respectively less than or is equal to preset upper limit value and is greater than or equal to preset lower limit value,
It then obtains the service node and forwards the network distance of the region control server of user's request, each resource is joined
Several real values and network distance respectively with the real value of each resource parameters and network distance preset power correspondingly
Weight multiplication, obtains the resource load value of service node in the region for product addition,
Determining that the resource load is worth the smallest service node is service node in the region provided services to the user.
2. MCDN network resource scheduling method according to claim 1, which is characterized in that in the region control server
It is also stored with adjacent area service list, region control server is arranged according to service in user content service request search domain
Table provides a user content service if being capable of providing in region without service node, the method also includes:
Region control server retrieves adjacent area service list, and the adjacent area service list includes respectively taking in adjacent area
The service content of business node,
If adjacent area has at least one service node to be capable of providing service, according to preset interregional resource scheduling algorithm to
The region control server of adjacent area transfers the resource parameters of respective service node, determines the adjacent region provided services to the user
The service node in domain, so that the service node of user and the adjacent area determined establishes connection.
3. a kind of region control server characterized by comprising
Receiving module, in receiving area base station forward user content service request,
Retrieval module in region, for service list in storage region, and it is for oral administration according to user content service request search domain
It is engaged in list, service list includes the service content and resource parameters of each service node in region in the region,
Balance module in region, if for there is at least one service node that can provide a user content service, root in region
The resource parameters of respective service node are transferred according to resource scheduling algorithm in preset region, determine the region provided services to the user
Interior service node, and indicate that sending module sends connection message, so that service node establishes connection in user and the region determined；
Wherein, retrieval module in the region, the resource parameters specifically for storage include user's number of request, average response
Duration, current connection number, present flow rate, memory usage, cpu busy percentage,
The region control server periodically acquires the real value for the resource parameters that service node in region reports, so that
Retrieval module is stored with the real value of each resource parameters in the region, and retrieval module is preset with respectively in the region
The upper limit value and lower limit value of the resource parameters；
Wherein, balance module in the region, specifically for each resource parameters of respective service node that will determine
Real value is compared respectively with preset upper limit value and preset lower limit value, if the real value of each resource parameters is respectively less than
Or it is equal to preset upper limit value and is greater than or equal to preset lower limit value, then obtain the service node and forward user's request
Forward node number between the base station joins the real value of each resource parameters and forward node number with each resource respectively
Preset weight coefficient is multiplied several real values correspondingly with forward node number, and product addition is obtained the respective service
The resource load value of node, alternatively,
If the real value of each resource parameters is respectively less than or is equal to preset upper limit value and is greater than or equal to preset lower limit value,
It then obtains the service node and forwards the network distance of the region control server of user's request, each resource is joined
Several real values and network distance respectively with the real value of each resource parameters and network distance preset power correspondingly
Weight multiplication, obtains the resource load value of service node in the region for product addition,
Determining that the resource load is worth the smallest service node is service node in the region provided services to the user.
4. region control server according to claim 3, which is characterized in that further include:
Adjacent area retrieval module, for storing and retrieving adjacent area service list, the adjacent area service list includes
The service content of each service node in adjacent area,
Adjacent area balance module, if thering is at least one service node to be capable of providing service for adjacent area, according to default
Interregional resource scheduling algorithm the resource parameters of respective service node are transferred to the region control server of adjacent area, determine
The service node of the adjacent area provided services to the user, and indicate that sending module sends connection message, so that user and determination
The service node of adjacent area establish connection.
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| CN107181695A (en) * | 2017-07-28 | 2017-09-19 | 成都谛听科技股份有限公司 | Distributed caching method and device |
| CN108494820B (en) * | 2018-02-12 | 2020-04-14 | 厦门白山耘科技有限公司 | Data processing method and system |
| CN113660336B (en) * | 2018-03-30 | 2024-03-15 | 北京忆芯科技有限公司 | Cloud computing and fog computing system using KV storage device |
| CN109656689B (en) * | 2018-12-12 | 2023-07-18 | 万兴科技股份有限公司 | Task processing system and task processing method |
| CN113132437B (en) * | 2019-12-31 | 2024-01-23 | 中兴通讯股份有限公司 | CDN scheduling method, CDN scheduling system, CDN scheduling equipment and storage medium |
| CN113050136B (en) * | 2021-03-09 | 2022-02-01 | 自然资源部第三大地测量队 | Multi-source differential data resource comprehensive management and service method and system |
| CN113448738B (en) * | 2021-08-31 | 2021-11-12 | 成都派沃特科技股份有限公司 | Method, device, equipment and storage medium for adjusting availability of server |
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