CN112636959B - Network slice privacy number service guarantee system and method for distinguishing service types - Google Patents
Network slice privacy number service guarantee system and method for distinguishing service types Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0407—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the identity of one or more communicating identities is hidden
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/20—Network architectures or network communication protocols for network security for managing network security; network security policies in general
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/51—Discovery or management thereof, e.g. service location protocol [SLP] or web services
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/60—Scheduling or organising the servicing of application requests, e.g. requests for application data transmissions using the analysis and optimisation of the required network resources
Abstract
The invention belongs to the technical field of communication service. A VNF-based network slice privacy number service guarantee system for distinguishing service types comprises a service processing module, a service monitoring module, an intelligent scheduling module and a network slice module; the business processing module is used for receiving a privacy number business service request from a client; the service monitoring module is used for monitoring the service volume data of the service processing module; the intelligent scheduling module is used for analyzing services with rising request amount, and the network slicing module is used for receiving the requirement of a new network slice in the intelligent scheduling module and dynamically configuring a new service network slice by using VNF networking; the service monitoring module is also used for monitoring the new service network slice and the original service network slice. The invention can establish the corresponding service network slice by using the VNF automatic networking function based on the service growth condition, and switches the online service to the corresponding network slice, thereby improving the service response speed and the network resource utilization rate.
Description
Technical Field
The invention belongs to the technical field of communication service, and particularly relates to a VNF-based service type-distinguishing network slice privacy number service guarantee system and a VNF-based service type-distinguishing network slice privacy number service guarantee method.
Background
With the continuous development of modern society, the privacy awareness of people is continuously increased, so that the privacy number service for protecting the privacy of two parties in a call is continuously expanded, people's clothing and eating residents gradually cannot guarantee the individual privacy of the two parties in the call, and common privacy number services comprise business fields such as commercial promotion, commercial transaction, logistics distribution, travel and take-out. In the industries, the privacy number service can furthest ensure that user information is not exposed, and reduce the occurrence of adverse phenomena such as short message bombing, call disturbance and even threat.
With the continuous application of privacy number services in a plurality of life scenes, a privacy number platform for providing privacy number guarantee services is confronted with the well-blowout type increase of user request volume, and even reaches the request volume of tens of millions per second in a peak period. The privacy number platform provides privacy number guarantee service which is mainly realized by the following steps: (1) the numbers of the two parties of the call and the privacy number realize call binding; (2) when a user dials a privacy number, the privacy number platform can inquire a calling strategy in real time, route a call from an intermediate number to an opposite terminal number and communicate the call; (3) after the call is connected, a real-time initial call ticket is generated to inform the client; (4) and generating a real-time call ending bill to inform the client after the call is disconnected. This means that each call can be made by initiating at least four requests in real time to talk, and if there are tens of millions of requests per second during peak hours, the amount of requests, server pressure, and network pressure stacked up is enormous.
The traditional privacy number platform has the main mode of relieving the service pressure that the number of servers is increased, a main network hub center is added to provide privacy number service of a certain geographic position area according to the network attribution of a requested region, network requests under the coverage range of the server are all attributed to a server cluster to be processed, and the pressure of a central server is relieved.
Although the distributed cluster mode based on the region relieves the pressure of the service to a certain extent, the problem of service growth cannot be completely solved. Firstly, more servers are needed for more services, theoretically, the addition of server behaviors requires real-time estimation of service volume, but the service calling behaviors have estimation deviation, when a service suddenly rises at a certain moment, the server still cannot withstand pressure and has the risk of downtime, and the addition of the server after the fact cannot really solve the problem at that time, and belongs to post-processing.
Secondly, the privacy number service is not always in a state with high traffic, and in a low valley period, under the condition of little traffic, the deployment of so many server resources is a behavior of wasting resources.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a VNF-based network slice privacy number service guarantee system and method for distinguishing service types, which can establish corresponding service network slices by using the VNF automatic networking function based on the service growth condition, switch online services to the corresponding network slices and improve the service response speed and the network resource utilization rate.
In order to achieve the purpose, the invention adopts the following technical scheme:
a VNF-based network slice privacy number service guarantee system for distinguishing service types comprises a service processing module, a service monitoring module, an intelligent scheduling module and a network slice module;
the business processing module is used for receiving a privacy number business service request from a client; (ii) a
The service monitoring module is used for monitoring the service volume data of the service processing module, and when the service volume reaches a threshold value which is given by the monitoring module and needs to be scheduled, the intelligent scheduling module is informed to analyze and schedule the current service condition;
the intelligent scheduling module is used for analyzing the services with the rising request quantity, determining which service increment exceeds a threshold value, making a decision for establishing a service network slice and informing the network slice module;
the network slice module is used for receiving the requirement of a newly added network slice in the intelligent scheduling module, networking by using the VNF and dynamically configuring a new service network slice;
the service monitoring module is also used for monitoring the new service network slice and the original service network slice, when the service volume falls back, the intelligent scheduling module is informed of the monitoring data, the intelligent scheduling module is informed of the network slice module to complete the arrangement and deployment rule, the service request is moved back to the original service network slice, and the new service network slice is stopped to save resources.
The invention also provides a VNF-based service type-distinguishing network slice privacy number service guarantee method, which comprises the following steps:
the business processing module receives a privacy number business service request from a client;
the service monitoring module monitors the service volume data of the service processing module, and when the service volume reaches a threshold value which is given by the monitoring module and needs to be scheduled, the intelligent scheduling module is informed to analyze and schedule the current service condition;
the intelligent scheduling module analyzes the services with the rising request quantity, determines which service increment exceeds a threshold value, makes a decision for building a service network slice and informs a network slice module;
the network slice module receives the requirement of a newly added network slice in the intelligent scheduling module, and dynamically configures a new service network slice by using VNF networking;
the intelligent scheduling module receives the information of the network slice establishment completion, informs the network slice module to modify the network arrangement and deployment structure of the network slice, and migrates the service request to a new service network slice;
the new service network slice authenticates the service request, if the authentication is passed, the service request is allowed to access the privacy number service through the sub-slice network, if the authentication is not passed, the result is returned to the intelligent scheduling module, and the request is transferred back to the original network slice;
adding a new service network slice into a monitoring list of the service monitoring module;
if the monitoring module monitors that the service request of the new slice falls back, the monitoring result is fed back to the intelligent scheduling module, the intelligent scheduling module informs the network slice module to complete the arrangement and deployment rule, and the service request is migrated back to the original network slice;
and the intelligent scheduling module informs the network slice module to release the newly added service slice and removes the new service network slice from the service monitoring module.
Further, the method for dynamically configuring the new service network slice includes the following steps:
(1) a client requests a privacy number platform to acquire privacy number service, and the visiting volume is positively correlated with the business peak and the business valley;
(2) the service monitoring module deploys buried points in service, dynamically sets a request upper limit value according to the state of the server, monitors service change, draws a chart for displaying, counts out total request quantity if the service request exceeds the upper limit value in unit time, and transmits information such as request proportion of each account to the intelligent scheduling module;
(3) the intelligent scheduling module analyzes the current service request condition, finds out the service type to which each account belongs, transforms statistical information, converts the account request amount ratio into the service request amount ratio, obtains the service type with the most request amount after sequencing, checks the existing service slice list, and judges whether the service type has a special network slice;
(4) if the service type has a special network slice, the intelligent scheduling module informs the network slice module to modify the arranging and deploying rule and forwards the service request network to the corresponding service slice;
(5) if the service type does not have a special network slice, informing the network slice module to newly add the network slice module;
(6) the network slice module receives the newly-added request, newly adds the network slice to the existing service slice list after the newly-added request is completed, informs the intelligent scheduling module of the completion of the slice establishment, and adds the new slice into the monitoring list;
(7) the intelligent scheduling module receives the information of the slice establishment completion, and informs the network slice module of completing the arrangement and deployment rules;
(8) when a client request comes in, a network slicing module authenticates the client request, if the service requested by the client is in a mapping table, NSMF reads the content of the configuration mapping table, finds out a corresponding service sub-slice, and NSSMF completes resource application of the sub-slice and switching of a service request network;
(9) the service monitoring module monitors the service condition of each sub-slice, and informs the intelligent scheduling module when the service volume is lower than a set minimum threshold value, the intelligent scheduling module informs the network slicing module to release network resources after receiving the request, the network slicing module deletes the configuration of the service in the configuration mapping table, the NSMF determines to request to return to the main network, and the NSSMF completes the resource release of the sub-slices.
Further, the method for arranging and deploying the slicing network by the network slicing module comprises the following steps:
(1) when the network slicing module receives a network slicing request of a newly added service, logic isolation is carried out from a wireless access network to a bearing network and then to a core network, required virtual and physical resources are selected according to an SLA protocol, a software part is separated from a main network by using NFV, and a slicing logic network of a specified service is combined by NF with a specific network function;
(2) the network slicing module modifies the arranging and deploying rules, configures a mapping table and makes services and slices into a one-to-one corresponding relation table;
(3) when a client requests the privacy number platform service, the NSMF in the network slicing module selects the corresponding sub-service network slice according to the configuration mapping table and completes authentication, and if the authentication fails, the NSMF returns to request the main network slice;
(4) if the NSSMF completes the resource application on the sub-slice successfully, the client requests to successfully enter the service network slice;
(5) when the service monitoring module monitors that the service is reduced, the service monitoring module informs the intelligent scheduling module, and the intelligent scheduling module sends a request for canceling the sub-slice network to the network slice module;
(6) the network slicing module receives a request for releasing resources, modifies a configuration mapping table, deletes a configuration item of the service from a routing table, when a client request comes in, and NSMF cannot find configuration in the configuration mapping table, the NSMF selects back to the main network slice, and NSSMF completes resource release of the sub-slicing network.
Further, the service types of the current privacy number platform include commercial sales promotion, commercial transaction, logistics distribution, trip and takeout.
Compared with the prior art, the method has the following beneficial effects:
(1) the VNF-based network slice privacy number service guarantee system and method for distinguishing the service types can establish corresponding service network slices by using the VNF automatic networking function based on the service growth condition, switch the online service to the corresponding network slices, and improve the service response speed and the network resource utilization rate; the robustness of the privacy number platform to the service processing request is improved, and in the face of sudden service rising, a powerful technical solution is provided to ensure the stability of the platform and improve the usability of the service.
(2) The VNF-based network slice privacy number service guarantee system and method for distinguishing the service types can reduce operation and maintenance cost, and reduce investment of a server in the face of a scene with large request amount; the method for dynamically configuring the service network slice improves the resource utilization rate, arranges resources in busy hours and releases the resources in idle hours, avoids the waste of the resources in the off-peak period of the service, can flexibly adjust the security strategy at any time and enhances the flexibility of security protection; the method for dividing the dynamic network slice can flexibly adjust the generation strategy and configuration of the network slice at any time, thereby enhancing the flexibility of service protection. The invention carries out double authentication based on the request of the privacy number platform and the business network slice, thereby enhancing the reliability of the privacy number service.
Drawings
FIG. 1 is a schematic diagram of a system architecture according to the present invention.
Fig. 2 is a flowchart of a method for dynamically configuring a new service network slice according to the present invention.
FIG. 3 is a flow chart of the method for arranging and deploying the slicing network by the network slicing module according to the present invention.
Wherein, labeled in the figures: 1-service processing module 2-service monitoring module; 3-an intelligent scheduling module; 4-network slicing module.
Detailed Description
The invention is further described with reference to the following figures and examples. It should be noted that the specific embodiments of the present invention are only for clearly describing the technical solutions, and should not be taken as a limitation to the scope of the present invention.
Referring to fig. 1 to 3, a VNF-based service type-differentiated network slice privacy number service provisioning system includes a service processing module, a service monitoring module, an intelligent scheduling module, and a network slice module; the VNF represents Virtual Network Functions (Virtual Network Functions), and a Network slice (Network slice) is a logically isolated Network for supporting specific Network capabilities and Network characteristics, and may include the entire Network from end to end, or share part of Network Functions among multiple Network slices, and is a key technology for meeting requirements of a fifth generation (5th generation, 5G) mobile communication technology for Network differentiation provided by a third generation partnership project (3rd generation partnership project, 3 GPP). The management architecture of a network slice defined in the current 3GPP standard includes a Network Slice Management Function (NSMF) entity, a directory (catalog), a repository (repository), and a sub-network slice management function (NSSMF) entity.
The business processing module is used for receiving a privacy number business service request from a client; the privacy number platform provides a business processing module to process business service requests of clients;
the service monitoring module is used for monitoring the service volume data of the service processing module, summarizing the privacy number service with the too fast service rise according to the monitoring result, and informing the intelligent scheduling module to analyze and schedule the current service condition when the service volume reaches the threshold value which is given by the monitoring module and needs to be scheduled;
the intelligent scheduling module is used for analyzing the services with the rising request quantity, determining which service increment exceeds a threshold value, making a decision for establishing a service network slice and informing the network slice module; the intelligent scheduling module receives monitoring data, analyzes the industry to which the intelligent scheduling module belongs according to a service request with large service volume, performs cost and benefit decision analysis, makes a decision whether a network slice of the service needs to be added newly, such as a takeout industry, makes a decision for building the service network slice and informs a network slice module, such as a network slice of the takeout industry needing to create a privacy number temporarily, and the network slice module receives the request and sets up a service slice network;
the network slice module is used for receiving the requirement of a newly added network slice in the intelligent scheduling module, networking by using the VNF and dynamically configuring a new service network slice;
the service monitoring module is also used for monitoring the new service network slice and the original service network slice, when the service volume falls back, the intelligent scheduling module is informed of the monitoring data, the intelligent scheduling module is informed of the network slice module to complete the arrangement and deployment rule, the service request is moved back to the original service network slice, and the new service network slice is stopped to save resources.
The invention also provides a VNF-based service type-distinguishing network slice privacy number service guarantee method, which comprises the following steps:
the method comprises the steps that a business processing module receives a privacy number business service request from a client, namely the client requests a privacy number platform to obtain privacy number service;
the service monitoring module monitors the service volume data of the service processing module, and when the service volume reaches a threshold value which is given by the monitoring module and needs to be scheduled, the service data is classified and sent to the intelligent scheduling module, and the intelligent scheduling module is informed to analyze and schedule the current service condition;
the intelligent scheduling module analyzes the services with the rising request quantity, determines which service increment exceeds a threshold value, makes a decision for building a service network slice and informs a network slice module; the intelligent scheduling module analyzes the current service request condition, judges whether an existing network slice exists or not, if the existing network slice exists, the intelligent scheduling module directly schedules the network slice to the network slice, if the existing network slice does not exist, the intelligent scheduling module balances the increased income of the service and the cost of the newly-increased network slice, and if the newly-increased network slice is determined, the newly-increased network slice request is sent to the network slice module;
the network slice module receives the requirement of a newly added network slice in the intelligent scheduling module, determines the rule of identity verification, and dynamically configures a new service network slice by using VNF networking;
the intelligent scheduling module receives the information of the network slice establishment completion, informs the network slice module to modify the network arrangement and deployment structure of the network slice, and migrates the service request to a new service network slice;
the new service network slice authenticates the service request, if the authentication is passed, the service request is allowed to access the privacy number service through the sub-slice network, if the authentication is not passed, the result is returned to the intelligent scheduling module, and the request is transferred back to the original network slice;
adding a new service network slice into a monitoring list of the service monitoring module;
if the monitoring module monitors that the service request of the new slice falls back, the monitoring result is fed back to the intelligent scheduling module, the intelligent scheduling module informs the network slice module to complete the arrangement and deployment rule, and the service request is migrated back to the original network slice;
and the intelligent scheduling module informs the network slice module to release the newly added service slice and removes the new service network slice from the service monitoring module. In the above scheme, the service monitoring module monitors the new service network slice and the original service network slice, and when the traffic volume falls back, the intelligent scheduling module is notified of the monitoring data, and notifies the network slice module to complete the arrangement and deployment rule, and the intelligent scheduling module transfers the service request back to the original service network slice, and deactivates the new service network slice to save resources.
Referring to fig. 2, the method for dynamically configuring a new service network slice includes the following steps:
(1) a client requests a privacy number platform to acquire privacy number service, the visiting volume is positively correlated with the business peak and the business valley, and the client is accessed to a general network slice;
(2) the service monitoring module deploys buried points in service, dynamically sets a request upper limit value according to the state of the server, monitors service change, draws a chart for displaying, counts out total request quantity if the service request exceeds the upper limit value in unit time, and transmits information such as request proportion of each account number to the intelligent scheduling module;
(3) the intelligent scheduling module analyzes the current service request condition, finds out the service type to which each account belongs, transforms statistical information, converts the account request amount ratio into the service request amount ratio, obtains the service type with the most request amount after sequencing, checks the existing service slice list, and judges whether the service type has a special network slice;
(4) if the service type has a special network slice, the intelligent scheduling module informs the network slice module to modify the arranging and deploying rule and forwards the service request network to the corresponding service slice;
(5) if the service type does not have a special network slice, informing the network slice module to newly add the network slice module; the current privacy number platform main business types mainly comprise: commercial sales, commercial transactions, logistics, travel, take-out, finance, insurance, e-commerce, remote transactions, etc.
(6) The network slice module receives the newly-added request, newly adds the network slice to the existing service slice list after the newly-added request is completed, informs the intelligent scheduling module of the completion of the slice establishment, and adds the new slice into the monitoring list;
(7) the intelligent scheduling module receives the information of the slice establishment completion, and informs the network slice module of completing the arrangement and deployment rules;
(8) when a client request comes in, a Network slicing module authenticates the client request, if a service requested by the client is in a mapping table, NSMF (Network Security Management Framework) reads the content of the configuration mapping table, finds out a corresponding service sub-slice, and completes resource application of the sub-slice and switching of a service request Network by NSSMF;
(9) the service monitoring module monitors the service condition of each sub-slice, and informs the intelligent scheduling module when the service volume is lower than a set minimum threshold value, the intelligent scheduling module informs the network slicing module to release network resources after receiving the request, the network slicing module deletes the configuration of the service in the configuration mapping table, the NSMF decides to request to return to the main network, and the NSSMF completes the resource release of the sub-slices.
Referring to fig. 3, the method for arranging and deploying the slicing network by the network slicing module includes the following steps:
(1) when the network slicing module receives a network slicing request of a newly added service, logical isolation is carried out from a wireless access network to a bearer network and then to a core network, required virtual and physical resources are selected according to an SLA protocol, a software part is separated from a main network by using NFV, and a slicing logical network of a specified service is combined by NF with a specific network function;
(2) the network slicing module modifies the arranging and deploying rules, configures a mapping table and makes services and slices into a one-to-one corresponding relation table;
(3) when a client requests the privacy number platform service, the NSMF in the network slicing module selects the corresponding sub-service network slice according to the configuration mapping table and completes authentication, and if the authentication fails, the NSMF returns to request the main network slice;
(4) if the NSSMF completes the resource application on the sub-slice successfully authenticated, the client requests to successfully enter the service network slice;
(5) when the service monitoring module monitors that the service is reduced, the service monitoring module informs the intelligent scheduling module, and the intelligent scheduling module sends a request for canceling the sub-slice network to the network slice module;
(6) the network slicing module receives a request for releasing resources, modifies a configuration mapping table, deletes a configuration item of the service from a routing table, when a client request comes in, and NSMF cannot find configuration in the configuration mapping table, the NSMF selects back to the main network slice, and NSSMF completes resource release of the sub-slicing network.
The VNF-based network slice privacy number service guarantee system and method for distinguishing the service types can establish corresponding service network slices by using the VNF automatic networking function based on the service growth condition, switch the online service to the corresponding network slices, and improve the service response speed and the network resource utilization rate; the robustness of the privacy number platform to the service processing request is improved, a powerful technical solution is provided to ensure the stability of the platform in the face of sudden service rising, and the availability and the safety of the service are improved.
The above description is intended to describe in detail the preferred embodiments of the present invention, but the embodiments are not intended to limit the scope of the claims of the present invention, and all equivalent changes and modifications made within the technical spirit of the present invention should fall within the scope of the claims of the present invention.
Claims (5)
1. A VNF-based service type-differentiated network slice privacy number service guarantee system is characterized in that: the system comprises a service processing module, a service monitoring module, an intelligent scheduling module and a network slicing module;
the business processing module is used for receiving a privacy number business service request from a client;
the service monitoring module is used for monitoring the service volume data of the service processing module, and when the service volume reaches a threshold value which is given by the monitoring module and needs to be scheduled, the intelligent scheduling module is informed to analyze and schedule the current service condition;
the intelligent scheduling module is used for analyzing the services with the rising request quantity, determining which service increment exceeds a threshold value, making a decision for establishing a service network slice and informing the network slice module;
the network slice module is used for receiving the requirement of a newly added network slice in the intelligent scheduling module, networking by using the VNF and dynamically configuring a new service network slice;
the service monitoring module is also used for monitoring the new service network slice and the original service network slice, when the service volume falls back, the intelligent scheduling module is informed of the monitoring data, the intelligent scheduling module is informed of the network slice module to complete the arrangement and deployment rule, the service request is moved back to the original service network slice, and the new service network slice is stopped.
2. A VNF-based service type-differentiated network slice privacy number service guarantee method is characterized by comprising the following steps:
the business processing module receives a privacy number business service request from a client;
the service monitoring module monitors the service volume data of the service processing module, and when the service volume reaches a threshold value which is given by the monitoring module and needs to be scheduled, the intelligent scheduling module is informed to analyze and schedule the current service condition;
the intelligent scheduling module analyzes the services with the rising request quantity, determines which service increment exceeds a threshold value, makes a decision for building a service network slice and informs a network slice module;
the network slice module receives the requirement of a newly added network slice in the intelligent scheduling module, and dynamically configures a new service network slice by using VNF networking;
the intelligent scheduling module receives the information of the network slice establishment completion, informs the network slice module to modify the network arrangement and deployment structure of the network slice, and migrates the service request to a new service network slice;
the new service network slice authenticates the service request, if the authentication is passed, the service request is allowed to access the privacy number service through the sub-slice network, if the authentication is not passed, the result is returned to the intelligent scheduling module, and the request is transferred back to the original network slice;
adding a new service network slice into a monitoring list of the service monitoring module;
if the monitoring module monitors that the service request of the new slice falls back, the monitoring result is fed back to the intelligent scheduling module, the intelligent scheduling module informs the network slice module to complete the arrangement and deployment rule, and the service request is migrated back to the original network slice;
and the intelligent scheduling module informs the network slice module to release the newly added service slice and removes the new service network slice from the service monitoring module.
3. The VNF-based network slice privacy number service provisioning method for differentiated service types according to claim 2, wherein the method for dynamically configuring the new service network slice comprises the following steps:
(1) a client requests a privacy number platform to acquire privacy number service, and the visiting volume is positively correlated with the business peak and the business valley;
(2) the service monitoring module deploys buried points in service, dynamically sets a request upper limit value according to the state of the server, monitors service change, draws a chart for displaying, counts out total request quantity if the service request exceeds the upper limit value in unit time, and transmits information such as request proportion of each account to the intelligent scheduling module;
(3) the intelligent scheduling module analyzes the current service request condition, finds out the service type to which each account belongs, transforms statistical information, converts the account request amount ratio into the service request amount ratio, obtains the service type with the most request amount after sequencing, checks the existing service slice list, and judges whether the service type has a special network slice;
(4) if the service type has a special network slice, the intelligent scheduling module informs the network slice module to modify the arranging and deploying rule and forwards the service request network to the corresponding service slice;
(5) if the service type does not have a special network slice, informing the network slice module to newly add the network slice module;
(6) the network slice module receives the newly-added request, newly adds the network slice to the existing service slice list after the newly-added request is completed, informs the intelligent scheduling module of the completion of the slice establishment, and adds the new slice into the monitoring list;
(7) the intelligent scheduling module receives the information of the slice establishment completion, and informs the network slice module of completing the arrangement and deployment rules;
(8) when a client request comes in, a network slicing module authenticates the client request, if the service requested by the client is in a mapping table, NSMF reads the content of the configuration mapping table, finds out a corresponding service sub-slice, and NSSMF completes resource application of the sub-slice and switching of a service request network;
(9) the service monitoring module monitors the service condition of each sub-slice, and informs the intelligent scheduling module when the service volume is lower than a set minimum threshold value, the intelligent scheduling module informs the network slicing module to release network resources after receiving the request, the network slicing module deletes the configuration of the service in the configuration mapping table, the NSMF determines to request to return to the main network, and the NSSMF completes the resource release of the sub-slices.
4. The VNF-based service type-distinguishing network slice privacy number service assurance method according to claim 3, wherein the method for arranging and deploying the slice network by the network slice module comprises the following steps:
(1) when the network slicing module receives a network slicing request of a newly added service, logic isolation is carried out from a wireless access network to a bearing network and then to a core network, required virtual and physical resources are selected according to an SLA protocol, a software part is separated from a main network by using NFV, and a slicing logic network of a specified service is combined by NF with a specific network function;
(2) the network slicing module modifies the arranging and deploying rules, configures a mapping table and makes services and slices into a one-to-one corresponding relation table;
(3) when a client requests the privacy number platform service, the NSMF in the network slicing module selects a corresponding sub-service network slice according to a configuration mapping table and completes authentication, and if the authentication fails, the NSMF returns to request a main network slice;
(4) if the NSSMF completes the resource application on the sub-slice successfully, the client requests to successfully enter the service network slice;
(5) when the service monitoring module monitors that the service is reduced, the service monitoring module informs the intelligent scheduling module, and the intelligent scheduling module sends a request for canceling the sub-slice network to the network slice module;
(6) the network slice module receives the request for releasing the resource, modifies the configuration mapping table, deletes the configuration item of the service from the routing table, when the client request comes in, the NSMF cannot find the configuration in the configuration mapping table, then selects the main network slice, and the NSSMF completes the resource release of the sub-slice network.
5. The VNF-based network slice privacy number service assurance method for differentiated service types according to claim 3, wherein the service types of the current privacy number platform include commercial promotion, commercial transaction, logistics distribution, trip, and takeout.
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