CN109392007A - For solving the methods, devices and systems of on-demand network signal storm - Google Patents
For solving the methods, devices and systems of on-demand network signal storm Download PDFInfo
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- CN109392007A CN109392007A CN201710679104.3A CN201710679104A CN109392007A CN 109392007 A CN109392007 A CN 109392007A CN 201710679104 A CN201710679104 A CN 201710679104A CN 109392007 A CN109392007 A CN 109392007A
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- user
- service request
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- mobility management
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/0215—Traffic management, e.g. flow control or congestion control based on user or device properties, e.g. MTC-capable devices
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/02—Access restriction performed under specific conditions
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The present invention discloses a kind of for solving the methods, devices and systems of on-demand network signal storm, is related to the communications field.Wherein under disaster-tolerant recovery mode, MME is after receiving the service request of user, identify the access priority of user, judge whether the access priority of user is greater than predetermined priority thresholding, if the access priority of user is greater than predetermined priority thresholding, the service request of user is then handled, the service request of user is otherwise abandoned.The present invention passes through the access priority for judging user in disaster-tolerant recovery, to which only access priority is greater than user's offer service of predetermined priority thresholding, to efficiently solve the problems, such as signaling storm, the case where user concentrates access and network processes is caused to overload is effectively prevented.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of method, apparatus for solving on-demand network signal storm and
System.
Background technique
NGMN (Next Generation Mobile Network, next generation mobile communication net) is provided in 5G white paper
The application scenarios for 8 classes that 5G mobile network needs support, it is to the demand difference of network obvious between different application scene,
There can be extreme challenging needs in different directions.
By the single network architecture meet the needs of all application scenarios there is network index is excessively high or network at
This excessively high problem.In order to support diversified application scenarios, 5G network to need to have high flexibility and scalable spy simultaneously
Property, the solution of differentiation can be provided for different application scenarios.Network slice provides phase for the solution of differentiation
The network environment being mutually isolated.
In view of the business feature of different business is there are notable difference (such as time delay, rate, shake), it is to network in addition
Resource requirement also there is apparent difference, if then supporting all function for mobile network, design cost and
Lower deployment cost is relatively high.NFV (Network Function will be introduced for core net in the 5G stage thus
Virtualization, network function virtualization) function, to realize the support and lower deployment cost for multiple business
It reduces.Current 3GPP (The 3rd Generation Partnership Project, third generation partner program) standard
How wireless network side in research for business is identified and be completed resource selection for core-network side if mainly being studied, from
And realize the distribution according to need and resource optimization effect of Internet resources.
Type of service is divided into three categories in current 3GPP, it may be assumed that (Enhance Mobile Broadband increases eMBB
Strong mobile broadband) business, mMTC (massive Machine Type of Communication, the communication of large-scale machines class)
Business and URLCC (Ultra-Reliable and Low Latency Communication, highly reliable low time delay) business.Three
Major class business may have different resources of core network (control plane and user face), therefore need for base station side for terminal just
True selects suitable resources of core network, correctly forwards the message of relevant signaling, so that realizing reduces core network signalling
Effect.
For the core net node Selective type of different service types, in LTE, (Long Term Evolution, is drilled for a long time
Into) selected for internet of things service and common mobile network service in the node of core-network side in system, propose decor
The scheme of (Dedicate Core Network, dedicated core net).Its core concept is base station in the resource for not knowing about core net
In the case where, the service requesting information of terminal is sent to the core net of default core net or pre-configuration, if core net is found
The service request cannot be supported, then need for the service request to be transmitted to base station again, and indicate the suitable target core in base station
The information of net.Base station sends service request process to dedicated core net according to the instruction information of core net.
In view of needing support the multiple business such as eMBB, mMTC and URLCC and these business in 5G in business feature
With the greatest differences in resource distribution, it is therefore desirable to enhance current 4G scheme.If current decour scheme is directly answered
With then there are problems that following leading to signaling storm:
[1] deposits single-point MME (Mobility Management Entity, mobility management entity) performance requirement height
In a large amount of signalings (connection of internet of things service magnanimity, disaster-tolerant recovery) processing delay risk, such as it is transmitted to the side of default core net
Formula will lead to the secondary repeating transmission of service request, so as to cause the waste of core network signalling resource and the increasing of business setup delay
Add
[2] cooperates between lacking wireless/core net/slice systems, (when disaster tolerance is restarted)) for user and business
It cannot achieve fining identification, lack and (internet-of-things terminal/business priority) is handled in disaster tolerance mechanism to on-demand network, cause
User experience declines after disaster recovery backup, can not ensure to user/business.
A) base station lacks the identification of the fining for business: due to the principle of LTE, base station side does not parse NAS (Non-
Access stratum, Non-Access Stratum) PDU (Protocol Data Unit, protocol Data Unit) message, therefore base station side without
Method knows the content of the service request of terminal, is only capable of the instruction according to core net come configuration service.In this case, Wu Fawei
The suitable resources of core network of service selection and routing configuration.
B) base station lacks the corresponding relationship of core net and business slice: the core net node and money needed due to different business
Source has differences.But in current mechanism base station side lack service resources and core net resource mapping relations, Zhi Nengtong
Manual configuration core network information is crossed, the increase of configuration work amount when causing to dispose in this way.
Based on above-mentioned analysis, it is needing to enhance the scheme of Decor, to solve the demand of signaling storm.
Summary of the invention
The embodiment of the present invention provide it is a kind of for solving the methods, devices and systems of on-demand network signal storm, wherein
In disaster-tolerant recovery, by judging the access priority of user, thus only use of the access priority greater than predetermined priority thresholding
Family provides service, to efficiently solve the problems, such as signaling storm, effectively prevents user and concentrates access and cause network processes super
The case where load, occurs.
According to an aspect of the present invention, a kind of method for solving on-demand network signal storm is provided, comprising:
Under disaster-tolerant recovery mode, after receiving the service request of user, the access priority of user is identified；
Judge whether the access priority of user is greater than predetermined priority thresholding；
If the access priority of user is greater than predetermined priority thresholding, the service request of user is handled.
In one embodiment, if the access priority of user is not more than predetermined priority thresholding, the industry of user is abandoned
Business request.
In one embodiment, user's usage type of the access priority of user and user, user identifier and business mark
At least one of knowledge is associated.
In one embodiment, if the access priority of user is not more than predetermined priority thresholding, further includes:
The refuse information for refusing user is handed down to corresponding base station, the service request sent so as to base station refusal user.
In one embodiment, the above method further include:
Current load is detected with predetermined period；
In the case where current load reaches predetermined threshold, corresponding dilatation processing is carried out.
According to another aspect of the present invention, it is real to provide a kind of mobile management for solving on-demand network signal storm
Body, comprising:
Interface module, for receiving the service request of user；
Priority identification module is used under disaster-tolerant recovery mode, after interface module receives the service request of user,
Identify the access priority of user；
Judgment module, for judging whether the access priority of user is greater than predetermined priority thresholding；
Service Processing Module, in the case where the access priority of user is greater than predetermined priority thresholding, processing to be used
The service request at family.
In one embodiment, Service Processing Module is also used to the access priority in user no more than predetermined priority door
In the case where limit, the service request of user is abandoned.
In one embodiment, user's usage type of the access priority of user and user, user identifier and business mark
At least one of knowledge is associated.
In one embodiment, Service Processing Module is also used to the access priority in user no more than predetermined priority door
In the case where limit, indicate that the refuse information for refusing user is handed down to corresponding base station by interface module, so as to base station refusal user's hair
The service request sent.
In one embodiment, mobility management entity further include:
Dilatation module reaches predetermined threshold in current load for detecting current load with predetermined period
In the case of, carry out corresponding dilatation processing.
According to another aspect of the present invention, a kind of system for solving on-demand network signal storm is provided, comprising:
The mobility management entity being related to such as above-mentioned any embodiment；
Base station, for the service request of user to be sent to mobility management entity.
In one embodiment, base station is also used to disappear in the refusal for the refusal user for receiving mobility management entity transmission
After breath, the service request of refusal user's transmission.
In one embodiment, base station is also used to after the refuse information for receiving refusal user, and refuse information is sent
To adjacent base station.
In one embodiment, base station is also used under mobility management entity selection mode, is sent receiving user
Service request after, corresponding mobility management entity is selected from mobility management entity pond according to pre-defined rule, will be selected
Result notice relative users.
In one embodiment, pre-defined rule is currently born with user's usage type, service identification and mobility management entity
At least one of carrying capacity is associated.
By referring to the drawings to the detailed description of exemplary embodiment of the present invention, other feature of the invention and its
Advantage will become apparent.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art
To obtain other drawings based on these drawings.
Fig. 1 is the schematic diagram of the method one embodiment of the present invention for solving on-demand network signal storm.
Fig. 2 is the schematic diagram of the device one embodiment of the present invention for solving on-demand network signal storm.
Fig. 3 is the schematic diagram of device another embodiment of the present invention for solving on-demand network signal storm.
Fig. 4 is the schematic diagram of the system one embodiment of the present invention for solving on-demand network signal storm.
Fig. 5 is the schematic diagram that MME one embodiment is selected in the pond MME of the present invention.
Fig. 6 is the schematic diagram of disaster-tolerant recovery one embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Below
Description only actually at least one exemplary embodiment be it is illustrative, never as to the present invention and its application or make
Any restrictions.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, shall fall within the protection scope of the present invention.
Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodiments
It is not limited the scope of the invention up to formula and numerical value.
Simultaneously, it should be appreciated that for ease of description, the size of various pieces shown in attached drawing is not according to reality
Proportionate relationship draw.
Technology, method and apparatus known to person of ordinary skill in the relevant may be not discussed in detail, but suitable
In the case of, the technology, method and apparatus should be considered as authorizing part of specification.
It is shown here and discuss all examples in, any occurrence should be construed as merely illustratively, without
It is as limitation.Therefore, the other examples of exemplary embodiment can have different values.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, then in subsequent attached drawing does not need that it is further discussed.
Fig. 1 is the schematic diagram of the method one embodiment of the present invention for solving on-demand network signal storm.Optionally, originally
The method and step of embodiment can be executed by MME.Wherein:
Step 101, under disaster-tolerant recovery mode, after receiving the service request of user, identify that the access of user is preferential
Grade.
Wherein, service request may include attach request/PDN connection request.
Optionally, in user's usage type of the access priority of user and user, user identifier and service identification extremely
Few one associated.
Step 102, judge whether the access priority of user is greater than predetermined priority thresholding.
Step 103, if the access priority of user is greater than predetermined priority thresholding, the service request of user is handled.
Optionally, if the access priority of user is not more than predetermined priority thresholding, the service request of user is abandoned.
In addition, may also include in the case where the access priority of user is not more than predetermined priority thresholding and use refusal
The refuse information at family is handed down to corresponding base station, so as to the service request that base station refusal user sends, to mitigate the pressure of MME.
Optionally, which can also be sent to adjacent base station by X2 node by base station, to avoid being rejected use
It initiates to request again using different base station in family.
Based on the method for solving on-demand network signal storm that the above embodiment of the present invention provides, wherein extensive in disaster tolerance
In multiple, by judging the access priority of user, so that the user that only access priority is greater than predetermined priority thresholding provides
Service effectively prevents the feelings that user concentrates access and network processes is caused to overload to efficiently solve the problems, such as signaling storm
Condition occurs.
Optionally, MME can detect current load when executing above-mentioned steps with predetermined period.It is born in current
In the case that lotus amount reaches predetermined threshold, corresponding dilatation processing is carried out.
For example, MME handles customer service using 50% resource, if current load amount is more than under disaster-tolerant recovery scene
Predetermined threshold can be automatically adjusted to 80%, preferably to provide service for user.
Fig. 2 is the signal of the mobility management entity one embodiment of the present invention for solving on-demand network signal storm
Figure.As shown in Fig. 2, the MME may include interface module 21, priority identification module 22, judgment module 23 and Service Processing Module
24.Wherein:
Interface module 21 is used to receive the service request of user.
Wherein, service request may include attach request/PDN connection request.
Priority identification module 22 is used under disaster-tolerant recovery mode, receives the service request of user in interface module 21
Afterwards, the access priority of user is identified.
Optionally, in user's usage type of the access priority of user and user, user identifier and service identification extremely
Few one associated.
Judgment module 23 is for judging whether the access priority of user is greater than predetermined priority thresholding.
Service Processing Module 24 is used in the case where the access priority of user is greater than predetermined priority thresholding, and processing is used
The service request at family.
Optionally, Service Processing Module 24 is also used to be not more than the feelings of predetermined priority thresholding in the access priority of user
Under condition, the service request of user is abandoned.
In addition, Service Processing Module 24 is also used to the case where the access priority of user is no more than predetermined priority thresholding
Under, indicate that the refuse information for refusing user is handed down to corresponding base station by interface module, the business sent so as to base station refusal user
Request.
Optionally, which can be also sent to adjacent base station by X2 node by base station, to avoid being rejected use
It initiates to request again using different base station in family
Based on the MME for being used to solve on-demand network signal storm that the above embodiment of the present invention provides, system, wherein holding
During calamity is restored, by judging the access priority of user, thus only user of the access priority greater than predetermined priority thresholding
Service is provided, to efficiently solve the problems, such as signaling storm, user is effectively prevented and concentrates access and network processes is caused to overload
The case where occur.
Fig. 3 is the signal of mobility management entity another embodiment of the present invention for solving on-demand network signal storm
Figure.Compared with embodiment illustrated in fig. 2, in the embodiment shown in fig. 3, except interface module 31, priority identification module 32, mould is judged
Further include dilatation module 35 except block 33 and Service Processing Module 34, for detecting current load with predetermined period, is working as
In the case that preceding load reaches predetermined threshold, corresponding dilatation processing is carried out.So as to automatic according to current loads situation
Adjustresources usage amount.
Fig. 4 is the schematic diagram of the system one embodiment of the present invention for solving on-demand network signal storm.Such as Fig. 4 institute
Show, which includes MME 41 and base station 42, and MME 41 is the mobility management entity that any embodiment is related in Fig. 2 or Fig. 3.
Wherein, the service request of user is sent to MME 41 by base station 42, and MME 41 is judged by the access priority to user,
To determine whether that the service request to the user is handled.
Optionally, base station 41 is also used to after receiving the refuse information of refusal user of the transmission of MME 41, refuses user
The service request of transmission.
In addition, base station 41 is also used to after the refuse information for receiving refusal user, refuse information is sent to adjacent base
It stands, so that adjacent base station also refuses the service request of the user.
Optionally, base station 41 is also used under mobility management entity selection mode, in the business for receiving user's transmission
After request, corresponding mobility management entity is selected from mobility management entity pond according to pre-defined rule, selection result is led to
Know relative users.To select corresponding MME from mobility management entity pond for user, effectively avoid to single node MME's
Impact.
Wherein, in pre-defined rule and user's usage type, service identification and mobility management entity present load amount extremely
Few one associated.
Below by specific example, the present invention will be described.
One: MME NFVization of embodiment
In existing LTE network, by upgrading MME, so that MME NFVization.Such as increase controller in MME, thus
Can restart in disaster tolerance/congestion information, priority processing specific user/specific transactions realizes intelligent " on-demand network ".
Embodiment selects MME in the pond two: MME
The schematic diagram of the embodiment is as shown in Figure 5.Wherein:
Firstly, user sends service request, the attach request as shown in step 51a, PDN connection shown in step 51b is asked
It asks.
Step 52, user's usage type is sent to HSS by the pond MME.
Step 53, base station obtains the loading condition of the current each MME in the pond MME.
Step 54, base station according in user's usage type, service identification and mobility management entity present load amount extremely
Lack a parameter to select corresponding MME.
Step 55, selection result is sent to corresponding user by base station.
In this case, since signaling carries out batch processing, expense can effectively be saved.Meanwhile by selecting not
Same MME can effectively avoid the impact to single node MME processing.
Embodiment three: disaster-tolerant recovery
The schematic diagram of the embodiment is as shown in Figure 6.Wherein:
Under disaster-tolerant recovery mode, firstly, user sends service request, the attach request as shown in step 61a, step
PDN connection request shown in 61b.
Step 62, after receiving the service request of user, MME identifies the access priority of the user.
Step 63, MME judges whether the access priority of the user is greater than predetermined priority thresholding.
If the access priority of the user is greater than predetermined priority thresholding, MME handles the service request of the user.If should
The access priority of user is not more than predetermined priority thresholding, thens follow the steps 64.
Step 64, MME abandons the service request of the user.
Step 65, the refuse information for refusing the user is sent to corresponding base station by MME.
Step 66, the service request from the user is refused in base station.
Step 67, which is transmitted to adjacent base station by base station, so that adjacent base station is also refused from the user's
Service request.To effectively save signaling overheads.
By applying the present invention, can obtain it is following the utility model has the advantages that
1) reduce business setup delay and core network signalling: relative to Decor scheme in LTE, this patent the method
By the scheme for taking terminal to assist, base station side is set to recognize that business is classified, so that base station be allow correctly to establish business
Request message is forwarded to suitable core net, to reduce business setup delay, solves signaling storm when disaster tolerance
Problem.
2) do not introduce new NAS layer parsing function in base station side: the method that this programme is taken still maintains in 4G
The constraint for not parsing NAS layers of function reduces the protocol stack functional requirement of 5G base station side, reduces the complexity of design.
3) NFVization is carried out by MME, user's access is controlled, cost of investment can be effectively controlled, guarantee network deployment
Rapid Implementation；
4) this programme has good backwards compatibility and deployment feasibility on terminal without influence.This programme is in existing association
Enhanced in view, do not introduce new protocol procedures, realizes that difficulty is lower.
Those of ordinary skill in the art will appreciate that realizing that all or part of the steps of above-described embodiment can pass through hardware
It completes, relevant hardware can also be instructed to complete by program, the program can store in a kind of computer-readable
In storage medium, storage medium mentioned above can be read-only memory, disk or CD etc..
Description of the invention is given for the purpose of illustration and description, and is not exhaustively or will be of the invention
It is limited to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.It selects and retouches
It states embodiment and is to more preferably illustrate the principle of the present invention and practical application, and those skilled in the art is enable to manage
The solution present invention is to design various embodiments suitable for specific applications with various modifications.
Claims (15)
1. a kind of method for solving on-demand network signal storm characterized by comprising
Under disaster-tolerant recovery mode, after receiving the service request of user, the access priority of the user is identified；
Judge whether the access priority of the user is greater than predetermined priority thresholding；
If the access priority of the user is greater than predetermined priority thresholding, the service request of the user is handled.
2. the method according to claim 1, wherein
If the access priority of the user is not more than predetermined priority thresholding, the service request of the user is abandoned.
3. according to the method described in claim 2, it is characterized in that,
At least one in user's usage type of the access priority of the user and the user, user identifier and service identification
It is a associated.
4. according to the method described in claim 2, it is characterized in that,
If the access priority of the user is not more than predetermined priority thresholding, further includes:
The refuse information for refusing the user is handed down to corresponding base station, so that the business that the user sends is refused in the base station
Request.
5. method according to any of claims 1-4, which is characterized in that further include:
Current load is detected with predetermined period；
In the case where the current load reaches predetermined threshold, corresponding dilatation processing is carried out.
6. a kind of for solving the mobility management entity of on-demand network signal storm characterized by comprising
Interface module, for receiving the service request of user；
Priority identification module, for after interface module receives the service request of user, identifying under disaster-tolerant recovery mode
The access priority of the user；
Judgment module, for judging whether the access priority of the user is greater than predetermined priority thresholding；
Service Processing Module, for handling institute in the case where the access priority of the user is greater than predetermined priority thresholding
State the service request of user.
7. mobility management entity according to claim 6, which is characterized in that
Service Processing Module is also used to abandon in the case where the access priority of the user is no more than predetermined priority thresholding
The service request of the user.
8. mobility management entity according to claim 7, which is characterized in that
At least one in user's usage type of the access priority of the user and the user, user identifier and service identification
It is a associated.
9. mobility management entity according to claim 7, which is characterized in that
Service Processing Module is also used to the instruction in the case where the access priority of the user is no more than predetermined priority thresholding
The refuse information for refusing the user is handed down to corresponding base station by interface module, so that the user sent refused in the base station
Service request.
10. the mobility management entity according to any one of claim 6-9, which is characterized in that further include:
Dilatation module reaches predetermined threshold in the current load for detecting current load with predetermined period
In the case of, carry out corresponding dilatation processing.
11. a kind of system for solving on-demand network signal storm characterized by comprising
Mobility management entity as described in any one of claim 6-10；
Base station, for the service request of user to be sent to mobility management entity.
12. system according to claim 11, which is characterized in that
Base station is also used to after receiving the refuse information of the refusal user of mobility management entity transmission, refuses the use
The service request that family is sent.
13. system according to claim 12, which is characterized in that
Base station is also used to after receiving the refuse information for refusing the user, and the refuse information is sent to adjacent base station.
14. system according to claim 11, which is characterized in that
Base station is also used under mobility management entity selection mode, after the service request for receiving user's transmission, according to pre-
Set pattern then selects corresponding mobility management entity from mobility management entity pond, and selection result is notified relative users.
15. system according to claim 14, which is characterized in that
At least one of the pre-defined rule and user's usage type, service identification and mobility management entity present load amount
It is associated.
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Cited By (6)
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| CN110708710A (en) * | 2019-09-23 | 2020-01-17 | 超讯通信股份有限公司 | 5G small base station and slice management module thereof |
| CN112448894A (en) * | 2019-09-03 | 2021-03-05 | 华为技术有限公司 | Method, device, equipment and storage medium for blocking signaling storm |
| US11129046B2 (en) * | 2014-07-22 | 2021-09-21 | Parallel Wireless, Inc. | Signaling storm reduction from radio networks |
| US11159980B2 (en) * | 2014-07-22 | 2021-10-26 | Parallel Wireless, Inc. | Signaling storm reduction from radio networks |
| CN113784368A (en) * | 2020-06-10 | 2021-12-10 | 中国移动通信集团湖北有限公司 | Signaling storm prevention and control method and computing equipment |
| CN114885028A (en) * | 2022-05-25 | 2022-08-09 | 国网北京市电力公司 | Service scheduling method, device and computer readable storage medium |
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