CN109005564A - A kind of method and system of MME load distribution - Google Patents
A kind of method and system of MME load distribution Download PDFInfo
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- CN109005564A CN109005564A CN201810967121.1A CN201810967121A CN109005564A CN 109005564 A CN109005564 A CN 109005564A CN 201810967121 A CN201810967121 A CN 201810967121A CN 109005564 A CN109005564 A CN 109005564A
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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
- H04W28/08—Load balancing or load distribution
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/14—Backbone network devices
Abstract
The present invention provides a kind of method and system of MME load distribution, the MME of local MME and strange land are merged into the same pond MME, whether MME in local issues different load weighted values to base station according to base station, the distribution that base station is loaded according to the load weighted value of MME, under the premise of not increasing network element device and changing networking, realize a kind of MME long-distance disaster mechanism of high reliability, on the one hand the utilization of the network equipment can be effectively improved, reduce lower deployment cost, on the other hand the reliability for also further strengthening LTE system, guarantees the normal operation of LTE system.
Description
Technical field
The present invention relates to wireless communication field more particularly to a kind of method and system of MME load distribution.
Background technique
The construction of current each operator's LTE network is accelerating to promote, and deployment scale increasingly increases, core net EPC
The safe and reliable networking of (Evolved Packet Core) equipment is increasingly taken seriously.MME(Mobile Management
Entity) as the main network elements on EPC system SAE (System Architecture Evolution) control plane, with
Between eNodeB (Evolved Node B) there are between the interface S1-MME and S-GW of signaling plane there are S11 interface, with HSS it
Between interface be S6a (Diameter type protocol), there are S3 interfaces between S4-SGSN, and there are SGS interfaces between MSC.
It is connected between other MME by S10 interface.As user capacity increases, network becomes increasingly complex.The core net of large capacity
More stringent requirements are proposed for reliability of the member to network；Requirement of the user to network reliability is higher and higher, can not put up with service
It interrupts.In existing net, when whole MME equipments of certain districts and cities break down, if base station can not without corresponding long-distance disaster scheme
It is linked into core net, will cause to seriously affect to the user of districts and cities communication.
In prior art:
1, in the Chinese patent open file application No. is CN201610905029.3, a kind of disaster tolerance side MME is proposed
Method.This method comprises:
At least two equipment of the core network establishes monitoring link from each other；Corresponding each equipment of the core network configuration allows to access
Base station identifier intersection.If determining a core net abnormal state according to detection, a state is selected in remaining core net
The normal S1 request to respond base station initiation.In the method, there is following two disadvantage:
(1), it needs to increase additional detection link, increases the signaling burden between MME, while needing to configure in core net
The base station accessing identifier intersection that core net allows when disaster tolerance configures complex.
(2), detection link is based on some specific equipment interface, and often there are many network interface in equipment of the core network,
Such as management interface and business interface.
If by management interface establish monitoring link, when core network service mouth is abnormal, the business of user in
It is disconnected, but link is detected due to managing mouth normally still keep-alive, it can't detect system exception, do not have the effect of disaster tolerance.
2, in the frequency converter for being directed to MME, 3GPP proposes MME Pool concept.MME Pool characteristic is that multiple MME are same
When be identical wireless zone service (area MME Pool), all eNodeB are interconnected in MME and the area Pool in Pool, in Pool
Resource-sharing, sharing business load are realized between MME.Which MME of UE access is related with the load balancing of eNodeB, therefore
ENodeB need to perceive the equipment state of MME.If it is unavailable to detect MME, needs to adjust load balancing in time, will newly connect
Enter the MME that business request information distributes to other normal conditions.In addition, eNodeB need to obtain the load weight (Relative of MME
MME Capacity), to select the MME of access for UE in conjunction with load weight.As shown in Figure 1, in figure line indicate eNodeB with
S1AP connection is established between MME.
Certain load balancing and local disaster tolerance may be implemented in MME pool technology.In the networking of MME Pool, due to
One eNodeB is connect with multiple MME in MME Pool, so when the UE in service area initiates new business, in order to make
ENodeB can be the MME that UE selects a service from Pool according to principles such as load balancing, and MME needs to load under weight
Issue eNodeB.As shown in Figure 1, it is assumed that the user capacity that the user capacity of MME1 is 4, MME2 is 3, then eNodeB can be by 4: 3
Ratio, will be in UE access to MME1 and MME2.
MME Pool technology realizes local disaster tolerance to a certain extent, however, in the case where more districts and cities more MME, MME
Pool can not play the effect of long-distance disaster.As shown in Fig. 2, prefecture-level city 1 and prefecture-level city 2, deploy LTE network respectively.Each
Inside prefecture-level city, local disaster tolerance can be realized using MME Pool mode by two or more MME, for convenience of explanation,
Assuming that there are two MME equipments in two prefecture-level cities respectively.If four MME of two districts and cities are divided into a big MME pool, two
When districts and cities' system normal operation, it is not allow on the Client-initiated service connection to strange land MME of local prefecture-level city, otherwise can
Increase the burden of strange land core net, so, it needs the weighted value issued to the base station in strange land to be set as 0 herein, does not allow to connect
Enter.But when local MME breaks down, and the weighted value for needing that adjustment strange land MME is manually gone to issue, strange land could be allowed
Base station access, achieve the effect that disaster tolerance.And network failure time of origin is often not timing, it is impossible to artificial real-time monitoring
Equipment state.In terms of more MME long-distance disasters, there are no relevant solutions.
Summary of the invention
The technical problems to be solved by the present invention are: provide a kind of MME method and system of load distribution, can flexibly into
The distribution of row load, realizes the long-distance disaster of MME, guarantees the normal operation of LTE system.
In order to solve the above-mentioned technical problem, a kind of technical solution that the present invention uses are as follows:
A kind of method of MME load distribution, comprising steps of
S1, the MME of local MME and strange land are merged into the same pond MME；
S2, when connection is established in MME and base station, judge the base station whether in local, if so, issuing to the base station
Otherwise first load weighted value issues the second load weighted value to the base station；
The distribution that S3, base station are loaded according to the load weighted value of MME connected to it.
In order to solve the above-mentioned technical problem, the another technical solution that the present invention uses are as follows:
A kind of system of MME load distribution, including operation and maintenance center, MME and base station, the operation and maintenance center include
First memory, first processor and storage are on the first memory and the first computer journey that can run on first processor
Sequence, the MME include second memory, second processor and are stored on second memory and can run in second processor
Second computer program, the base station includes third memory, third processor and is stored on third memory and can be
The third computer program run on third processor, the first processor realized when executing first computer program with
Lower step:
S1, the MME of local MME and strange land are merged into the same pond MME；
The second processor performs the steps of when executing the second computer program
S2, when establishing connection with base station, judge the base station whether in local, if so, issuing to the base station
Otherwise one load weighted value issues the second load weighted value to the base station；
The third processor performs the steps of when executing the third computer program
S3, the distribution loaded according to the load weighted value of MME connected to it.
Seen from the above description, the beneficial effects of the present invention are: the MME of local MME and strange land are merged into same
Whether a pond MME, MME in local issue different load weighted values to base station according to base station, and base station is according to the load weight of MME
The distribution that value is loaded, under the premise of not increasing network element device and changing networking, the MME for realizing a kind of high reliability is different
On the one hand ground disaster tolerance mechanism can effectively improve the utilization of the network equipment, reduce lower deployment cost, on the other hand also further to reinforce
The reliability of LTE system, guarantees the normal operation of LTE system.
Detailed description of the invention
Fig. 1 is the schematic diagram for the MME pool that the local MME of background of invention is formed；
Fig. 2 is the schematic diagram of the MME pool of background of invention Zhong Liang prefecture-level city MME composition；
Fig. 3 is the flow chart of the method for the MME load distribution of the embodiment of the present invention；
Fig. 4 is the structural schematic diagram of the system of MME of embodiment of the present invention load distribution；
Fig. 5 is the flow chart of the base station selected MME of the embodiment of the present invention；
MME load distribution schematic diagram when Fig. 6 is the local MME of the embodiment of the present invention normal；
Fig. 7 is the MME load distribution schematic diagram when local part MME of the embodiment of the present invention breaks down；
Fig. 8, Fig. 9 be the embodiment of the present invention local MME hologony failure when MME load distribution schematic diagram；
Label declaration:
1, the system of MME load distribution；2, operation and maintenance center；3, first memory；4, first processor；5,MME；6,
Second memory；7, second processor；8, base station；9, third memory；10, third processor.
Specific embodiment
To explain the technical content, the achieved purpose and the effect of the present invention in detail, below in conjunction with embodiment and cooperate attached
Figure is explained.
The most critical design of the present invention is: the MME of local MME and strange land are merged into the same pond MME, MME root
Whether in local different load weighted values is issued to base station according to base station, base station is loaded according to the load weighted value of MME
Distribution.
Referring to figure 3., a kind of method of MME load distribution, comprising steps of
S1, the MME of local MME and strange land are merged into the same pond MME；
S2, when connection is established in MME and base station, judge the base station whether in local, if so, issuing to the base station
Otherwise first load weighted value issues the second load weighted value to the base station；
The distribution that S3, base station are loaded according to the load weighted value of MME connected to it.
As can be seen from the above description, the beneficial effects of the present invention are: the MME of local MME and strange land are merged into same
Whether a pond MME, MME in local issue different load weighted values to base station according to base station, and base station is according to the load weight of MME
The distribution that value is loaded, under the premise of not increasing network element device and changing networking, the MME for realizing a kind of high reliability is different
On the one hand ground disaster tolerance mechanism can effectively improve the utilization of the network equipment, reduce lower deployment cost, on the other hand also further to reinforce
The reliability of LTE system, guarantees the normal operation of LTE system.
Further, step S1 includes:
Identical MME group mark is respectively configured for each of the local MME of MME and strange land MME, and configures
Different MME numbers.
Seen from the above description, it can be identified by the group of the MME configured and distinguish whether more MME belong to the same MME
Pond, and the number of the MME by configuring distinguishes specific a certain MME in the pond MME for base station.
Further, judge described in step S2 the base station whether locally including:
The Base Station Identification of different range is respectively configured for home base stations and strange land base station, according to the Base Station Identification of the base station
Judge the base station whether in local.
Seen from the above description, MME can by the differentiation of the Base Station Identification of the base station be directly home base stations or different
Ground base station, it is convenient and efficient.
Further, the step S2 includes:
For the first load weighted value less than the first preset value, it is default that the second load weighted value is greater than or equal to first
Value；
Alternatively, the first load weighted value is even number, the second load weighted value is odd number；
Alternatively, the first load weighted value is to close number, the second load weighted value is prime number.
Seen from the above description, provide it is a variety of allow base station distinguish MME whether local load weighted value distribution, flexibly
Property it is high.
Further, step S3 includes:
Base station judges whether there is local MME in new access service, according to the load weighted value of MME connected to it,
If so, the new access service is distributed to local MME；Otherwise, the new access service is distributed to strange land MME.
Seen from the above description, base station judges whether there is local MME by the load weighted value of MME, is corresponded to
New access service distribution, realize the long-distance disaster between MME.
Referring to figure 4., a kind of system of MME load distribution, including operation and maintenance center, MME and base station, the operation dimension
Shield center include first memory, first processor and storage on the first memory and can be run on first processor the
One computer program, the MME include second memory, second processor and are stored on second memory and can be at second
The second computer program that runs on reason device, the base station include third memory, third processor and are stored in third storage
On device and the third computer program that can run on third processor, the first processor execute the first computer journey
It is performed the steps of when sequence
S1, the MME of local MME and strange land are merged into the same pond MME；
The second processor performs the steps of when executing the second computer program
S2, when connection is established in MME and base station, judge the base station whether in local, if so, issuing to the base station
Otherwise first load weighted value issues the second load weighted value to the base station；
The third processor performs the steps of when executing the third computer program
The distribution that S3, base station are loaded according to the weighted value of MME connected to it.
As can be seen from the above description, the beneficial effects of the present invention are: the MME of local MME and strange land are merged into same
Whether a pond MME, MME in local issue different load weighted values to base station according to base station, and base station is according to the load weight of MME
The distribution that value is loaded, under the premise of not increasing network element device and changing networking, the MME for realizing a kind of high reliability is different
On the one hand ground disaster tolerance mechanism can effectively improve the utilization of the network equipment, reduce lower deployment cost, on the other hand also further to reinforce
The reliability of LTE system, guarantees the normal operation of LTE system.
Further, step S1 includes:
Identical MME group mark is respectively configured for each of the local MME of MME and strange land MME, and configures
Different MME numbers.
Seen from the above description, it can be identified by the group of the MME configured and distinguish whether more MME belong to the same MME
Pond, and the number of the MME by configuring distinguishes specific a certain MME in the pond MME for base station.
Further, judge described in step S2 the base station whether locally including:
The Base Station Identification of different range is respectively configured for home base stations and strange land base station, according to the Base Station Identification of the base station
Judge the base station whether in local.
Seen from the above description, MME can by the differentiation of the Base Station Identification of the base station be directly home base stations or different
Ground base station, it is convenient and efficient.
Further, the step S2 includes:
For the first load weighted value less than the first preset value, it is default that the second load weighted value is greater than or equal to first
Value；
Alternatively, the first load weighted value is even number, the second load weighted value is odd number；
Alternatively, the first load weighted value is to close number, the second load weighted value is prime number.
Seen from the above description, provide it is a variety of allow base station distinguish MME whether local load weighted value distribution, flexibly
Property it is high.
Further, step S3 includes:
In new access service, local MME is judged whether there is according to the load weighted value of MME connected to it, if so,
The new access service is then distributed to local MME；Otherwise, the new access service is distributed to strange land MME.
Seen from the above description, base station judges whether there is local MME by the load weighted value of MME, is corresponded to
New access service distribution, realize the long-distance disaster between MME.
Embodiment one
Referring to figure 3., Fig. 5, a kind of method of MME load distribution, comprising steps of
The MME of local MME and strange land are merged into the same pond MME by S1, operation and maintenance center OMC；
Wherein, operation and maintenance center OMC is that phase is respectively configured in each of the local MME of MME and strange land MME
Same MME group mark, and configure different MME numbers；
The Base Station Identification of different range is respectively configured for home base stations and strange land base station, according to the Base Station Identification of the base station
Judge the base station whether in local；Specifically, local Base Station Identification range can be set less than 10000, the base station in strange land
It identifies range and is greater than 10000.
S2, when connection is established in MME and base station, judge the base station whether in local, if so, issuing to the base station
Otherwise first load weighted value issues the second load weighted value to the base station；
Specifically, set one for base station distinguish local MME and strange land MME load weighted value range as 0-255,
Wherein, the median P1 in a 0-255 is set, and the first load weighted value is less than P1, and the second load weighted value is big
In or equal to P1；
Alternatively, the first load weighted value is the even number in 0-255, the second load weighted value is in 0-255
Odd number；
Alternatively, the first load weighted value is the conjunction number in 0-255, the second load weighted value is in 0-255
Prime number；
In addition, when base station is online, it can request to establish S1AP with MME and connect, issue first meeting to home base stations
Weighted value and to strange land base station issue the second weighted value rule on the basis of, operation and maintenance center OMC can be according to the available appearance of MME
The load weighted value of proportionate relationship difference each MME of concrete configuration of amount, in order to which base station is distributed according to the proportionate relationship to each MME
The user of corresponding proportion accesses number, reaches load balancing.
The distribution that S3, base station are loaded according to the weighted value of MME connected to it；
Wherein, base station judges whether there is local according to the load weighted value of MME connected to it in new access service
MME,
If so, the new access service is distributed to local MME according to the weighted value ratio of local MME；
Otherwise, illustrate that local all MME have occurred and that failure, the user for being connected to local MME originally is needed to turn
It moves on on the MME of strange land, the user newly accessed does not consider further that local MME yet, is linked on the MME of strange land.It can mention if there is more
For the MME of service, then it is distributed in the load weighted value ratio saved on base station.
Embodiment two
Fig. 6, Fig. 7, Fig. 8, Fig. 9 are please referred to, the method for above-mentioned MME load distribution is applied to specific scene:
Prefecture-level city A is set as local city, prefecture-level city B is set as strange land city, and setting MME1 and MME2 is local MME, if
Setting MME3 and MME4 is strange land MME, and eNodeB1, eNodeB2 are the two stylobate stations of this districts and cities, and eNodeB3, eNodeB4 are strange land
The two stylobate stations in city；MME3, MME4 of local MME1, MME2 and strange land are merged into the same pond MME and are arranged identical
MME group mark, and different MME numbers is configured for each MME, it is less than to base station eNodeB 1, eNodeB2 configuration Base Station Identification
10000, it is greater than 10000 to base station eNodeB 3, eNodeB4 configuration Base Station Identification；
When base station is online, request is established S1AP with MME and is connect, and selectes the load weighted value P1 that a range is 0-255,
Local MME and strange land MME is distinguished for eNodeB；Control maintenance centre matches respectively according to the proportionate relationship of the active volume of MME
The load weighted value for setting each MME configures local two MME1, MME2 for home base stations load weighted value and is less than P1, is set as
The load weighted value of PA, PB, MME2 MM3 are greater than P1, are set as PC, PD；
By taking local base station eNodeB 2 as an example:
Base station eNodeB 2 sends request S1 Setup Req to MME and establishes S1AP connection, and MME is according to base station eNodeB 2
Base Station Identification judges whether base station belongs to home base stations, if belonging to home base stations, issues the load weight of the configuration less than P1
Value, otherwise, issues the load weighted value more than or equal to P1；MME is by sending S1 Setup Rsponse message for the negative of MME
Lotus weighted value is sent to eNodeB2；ENodeB2 saves the load weighted value of MME, MME1, MME2, MME3, MME4's of preservation
Load weighted value is respectively PA, PB, PC, PD, and wherein the value of PA, PB are less than P1, and the value of PC, PD are greater than or equal to P1, eNodeB2
Number is accessed according to the proportionate relationship distributing user of the load weighted value of each MME, to reach load balancing；ENodeB2 specifically divides
Process with MME is as follows:
In the load weighted value that eNodeB2 is saved when establishing S1AP, service can be provided and load by judging whether there is
Weighted value is less than the MME of P1,
If so, illustrating that local at least one can provide the MME of service, in user's access by the weight proportion of setting
Value is distributed on local MME；
If no, illustrating, local all MME have occurred and that failure, need the use for being connected to local MME originally
Family is transferred on the MME of strange land, and the user newly accessed does not consider further that local MME yet, is directly connected on the MME of strange land.If strange land
There are more can provide the MME of service, is then distributed in the load weighted value ratio saved on eNodeB.
Wherein, three kinds of situations are specifically divided into:
1, when local two MME are normal:
Base station eNodeB 2 judges locally can also provide the MME of server, in user terminal access base station eNodeB2
When, the load weighted value ratio PA:PB distributing user saved in base station eNodeB 2 is to MME1, MME2, at this time not any use
Family is assigned to the MME3 or MME4 in strange land, as shown in Figure 6；
2, when having an exception in the MME of local:
Assuming that local MME1 breaks down, base station eNodeB 2 can be new by the Client-initiated for providing service by MME1 originally
Business is transferred on local MME2；The MME1, such as Fig. 7 will not be considered further that when carrying out MME selection to the user newly accessed simultaneously；
3, local whole MME break down, when can not provide service for user:
Base station eNodeB 2 detects that MME of the weighted value less than P1 can not provide service, and starting will be originally by local MME1
Or MME2 provides the load weighted value pro rate PC:PD distribution that the Client-initiated business of service is saved by base station eNodeB 2
Onto MME3, the MME4 in strange land, while while carrying out MME selection to the user that newly accesses, will not consider further that the MME1 and MME2, such as
Shown in Fig. 8；
If at this time, it is assumed that the MME3 in strange land also breaks down, then provides service by the MME4 in strange land for user, to guarantee
The business of user will not interrupt for a long time, as shown in Figure 9.
Embodiment three
Referring to figure 4., a kind of system 1 of MME load distribution, including operation and maintenance center 2, MME5 and base station 8, the behaviour
Make maintenance centre 2 to include first memory 3, first processor 4 and be stored on first memory 3 and can be in first processor 4
First computer program of upper operation, the MME5 include second memory 6, second processor 7 and are stored in second memory 6
Second computer program that is upper and can running in second processor 7, the base station 8 include third memory 9, third processor
10 and it is stored in the third computer program that can be run on third memory 9 and on third processor 10, first processing
Device realizes that the S1 step in embodiment one, the second processor execute second meter when executing first computer program
The S2 step in embodiment one is realized when calculation machine program, the third processor is realized real when executing the third computer program
Apply the S3 step in example one.
In conclusion a kind of method and system of MME load distribution provided by the invention, by local MME and strange land
MME is merged into the same pond MME, and whether MME in local issues different load weighted values to base station according to base station, base station according to
The distribution that the load weighted value of MME is loaded realizes a kind of high under the premise of not increasing network element device and changing networking
On the one hand the MME long-distance disaster mechanism of reliability can effectively improve the utilization of the network equipment, reduce lower deployment cost, on the other hand
Also the reliability for further strengthening LTE system, guarantees the normal operation of LTE system；MME can directly pass through the base station
Base Station Identification differentiation be home base stations or strange land base station, it is convenient and efficient；And provide it is a variety of allow base station distinguish MME whether this
The distribution of the load weighted value on ground, flexibility are high.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalents made by bright specification and accompanying drawing content are applied directly or indirectly in relevant technical field, similarly include
In scope of patent protection of the invention.
Claims (10)
1. a kind of method of MME load distribution, which is characterized in that comprising steps of
S1, the MME of local MME and strange land are merged into the same pond MME；
S2, when connection is established in MME and base station, judge the base station whether in local, if so, issuing first to the base station
Otherwise load weighted value issues the second load weighted value to the base station；
The distribution that S3, base station are loaded according to the load weighted value of MME connected to it.
2. the method for MME according to claim 1 load distribution, which is characterized in that step S1 includes:
Identical MME group mark is respectively configured for each of the local MME of MME and strange land MME, and configures difference
MME number.
3. the method for MME load distribution according to claim 1, which is characterized in that judge the base described in step S2
Stand whether locally including:
The Base Station Identification of different range is respectively configured for home base stations and strange land base station, is judged according to the Base Station Identification of the base station
Whether the base station is in local.
4. the method for MME according to claim 1 load distribution, which is characterized in that the step S2 includes:
The first load weighted value is greater than or equal to the first preset value less than the first preset value, the second load weighted value；
Alternatively, the first load weighted value is even number, the second load weighted value is odd number；
Alternatively, the first load weighted value is to close number, the second load weighted value is prime number.
5. the method for MME according to claim 1 load distribution, which is characterized in that step S3 includes:
Base station judges whether there is local MME in new access service, according to the load weighted value of MME connected to it, if so,
The new access service is then distributed to local MME；Otherwise, the new access service is distributed to strange land MME.
6. a kind of system of MME load distribution, including operation and maintenance center, MME and base station, the operation and maintenance center includes the
One memory, first processor and storage are on the first memory and the first computer journey that can run on first processor
Sequence, the MME include second memory, second processor and are stored on second memory and can run in second processor
Second computer program, the base station includes third memory, third processor and is stored on third memory and can be
The third computer program run on third processor, which is characterized in that the first processor executes first computer
It is performed the steps of when program
S1, the MME of local MME and strange land are merged into the same pond MME；
The second processor performs the steps of when executing the second computer program
S2, when establishing connection with base station, judge the base station whether in local, if so, it is negative to issue first to the base station
It carries weighted value and otherwise issues the second load weighted value to the base station；
The third processor performs the steps of when executing the third computer program
S3, the distribution loaded according to the load weighted value of MME connected to it.
7. the system of MME according to claim 6 load distribution, which is characterized in that step S1 includes:
Identical MME group mark is respectively configured for each of the local MME of MME and strange land MME, and configures difference
MME number.
8. the system of MME load distribution according to claim 6, which is characterized in that judge the base described in step S2
Stand whether locally including:
The Base Station Identification of different range is respectively configured for home base stations and strange land base station, is judged according to the Base Station Identification of the base station
Whether the base station is in local.
9. the system of MME according to claim 6 load distribution, which is characterized in that the step S2 includes:
The first load weighted value is greater than or equal to the first preset value less than the first preset value, the second load weighted value；
Alternatively, the first load weighted value is even number, the second load weighted value is odd number；
Alternatively, the first load weighted value is to close number, the second load weighted value is prime number.
10. the system of MME according to claim 6 load distribution, which is characterized in that step S3 includes:
In new access service, local MME is judged whether there is according to the load weighted value of MME connected to it, if so, will
The new access service is distributed to local MME；Otherwise, the new access service is distributed to strange land MME.
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| CN201810967121.1A CN109005564B (en) | 2018-08-23 | 2018-08-23 | Method and system for distributing MME (mobility management entity) load |
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| CN111465041A (en) * | 2019-01-21 | 2020-07-28 | 普天信息技术有限公司 | Method and device for determining main MME in disaster recovery backup |
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