CN104602225B - A kind of distribution MME equipment - Google Patents
A kind of distribution MME equipment Download PDFInfo
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- CN104602225B CN104602225B CN201510019609.8A CN201510019609A CN104602225B CN 104602225 B CN104602225 B CN 104602225B CN 201510019609 A CN201510019609 A CN 201510019609A CN 104602225 B CN104602225 B CN 104602225B
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Abstract
The invention discloses a kind of distributed MME equipment, including global master control borad and N (N>1) a service processing board, wherein, global master control borad distributes service processing board and interim subscriber identity for UE, and distributed business processing panel sign is included in an interim subscriber identity；Service processing board receive UE transmissions carry the message of interim subscriber identity after, the business processing panel sign that can be included according to interim subscriber identity therein determines which business board to handle the message by；So as on the one hand, realize processing of the distributed MME equipment to message, on the other hand, Message Processing can be shared to multiple service processing boards.Since distributed MME equipment has multiple service processing boards, the capacity of the distribution MME equipment is improved so that distribution MME can handle more UE.
Description
Technical field
The present invention relates to field of communication technology, more particularly to a kind of distributed MME equipment.
Background technology
Under LTE (Long Term Evolution, Long Term Evolution) network architecture, wireless communication system is by wireless access
Net and core net composition.Wireless access network realized by eNB (evolved NodeB, enode b, i.e. base station), core net by
EPC (Evolved Packet Core, the packet-based core networks of evolution) is realized.EPC is by MME (Mobility Management
Entity, mobility management entity) equipment, SGW (Serving Gateway, gateway) equipment, PGW (PDN Gateway,
PDN Gateway) equipment realizes.MME equipment is the mobility management entity of core net, is responsible for UE (User Equipment, user
Equipment) mobile management and session management.
Under LTE network framework, a set of equipment of the core network, and a MME equipment are usually only disposed in certain area coverage
Only configure one piece of service processing board.MME network element will be preserved above and below the mobility of UE as EPC core network mobility management entities
Text, safe context and bearer context.The context of one UE takes about 9000 bytes, i.e. 10KB or so, 100,000 UE are just
Need the memory of about 1GB.In view of memory overheads such as the memories shared by operating system, 100,000 UE, a MME are configured
Equipment needs to provide 2.8GB memories.
However, next piece of service processing board maximum full configuration of normal conditions can support that 100,000 UE are online at the same time, with actual feelings
The required a set of equipment of the core network of condition is at least supported to differ greatly online while up to ten million or even more UE, this allows for core
There is heart net equipment very high capacity performance index can just meet the requirements.
The content of the invention
An embodiment of the present invention provides a kind of distributed MME equipment, to increase the capacity of a MME equipment.
The embodiment of the present invention provides a kind of distributed mobility management entity MME equipment, including：Global master control borad and N
A service processing board, N>1；
The overall situation master control borad is used for, and distributes service processing board and interim subscriber identity for user equipment (UE), and store
Correspondence between the permanent subscriber identification of the UE and the business processing panel sign distributed；Wherein, user faces
When user identifier and the permanent subscriber identification of the user correspond, and distributed business is included in an interim subscriber identity
Handle panel sign；
The service processing board is used for, and receives message, if carrying interim subscriber identity in the message, described in acquisition
The business processing panel sign that the interim subscriber identity carried in message is included, if the service processing board got is identified as this industry
Business processing panel sign, then handle the message, otherwise, the message is transmitted to the business processing panel sign institute got
Corresponding service processing board is handled.
It is preferred that the service processing board is additionally operable to：
If after receiving message, from the message not getting interim subscriber identity only gets permanent subscriber identification,
Inquiry request then is sent to the global master control borad, the permanent subscriber identification got is carried in the inquiry request；And
The inquiry response that the global master control borad returns is received, if the service processing board carried in the inquiry response is identified as this business
Panel sign is handled, then handles the message, otherwise, the message is transmitted to the service processing board carried in the inquiry response
The corresponding service processing board of mark is handled；
The overall situation master control borad is specifically used for：
The inquiry request is received, according to the permanent subscriber identification inquiry carried in the inquiry request the corresponding pass
System, if inquiring corresponding business processing panel sign, is carried on inquiry response by the business processing panel sign inquired and sends
To the service processing board for initiating the inquiry request；Otherwise, distributed according to the permanent subscriber identification carried in the inquiry request
Corresponding interim subscriber identity and business processing panel sign, store the permanent subscriber identification and the service processing board mark distributed
Correspondence between knowledge, and the business processing panel sign and interim subscriber identity that are distributed are carried on inquiry response and are sent to
Initiate the service processing board of the inquiry request.
It is preferred that the overall situation master control borad is specifically used for：According to the inquiry request, from N number of service processing board
The light service processing board of load is chosen to be allocated.
It is preferred that the overall situation master control borad includes M-TMSI for the interim subscriber identity of UE distribution；
The message that UE is sent is initial UE message, and the M-TMSI of the UE is carried in the initial UE message；
The service processing board is specifically used for：
The initial UE message that UE is sent is received, obtains the M-TMSI carried in the initial UE message；
According to the M-TMSI carried in the initial UE message, the business processing panel sign included in the M-TMSI is obtained.
It is preferred that the overall situation master control borad includes S-TMSI for the interim subscriber identity of UE distribution, wrapped in the S-TMSI
Containing M-TMSI, business processing panel sign is included in the M-TIMSI；
The message that UE is sent is initial UE message, and the S-TMSI of the UE is carried in the initial UE message；
The service processing board is specifically used for：
The initial UE message that UE is sent is received, obtains the S-TMSI carried in the initial UE message；
According to the S-TMSI carried in the initial UE message, the M-TMSI included in the S-TMSI is obtained；
According to the M-TMSI got, the business processing panel sign included in the M-TMSI is obtained.
It is preferred that the overall situation master control borad includes global unique temporary identity GUTI for the interim subscriber identity of UE distribution,
M-TMSI and the identification information of the distributed MME equipment are included in the GUTI, business processing is included in the M-TMSI
Panel sign；
The message that UE is sent is initial UE message, and the distributed MME equipment distribution is carried in the initial UE message
GUTI；
The service processing board is specifically used for：
The initial UE message that user sends is received, obtains the additional GUTI carried in the initial UE message；
According to the additional GUTI carried in the initial UE message, the MME equipment identification information included in the GUTI is obtained；
If the MME equipment identification information got is identical with the distributed MME equipment identification information, additional from this
Business processing panel sign is obtained in the M-TMSI included in GUTI, if the service processing board got is identified as this service processing board
Mark, then handle the initial UE message received, and otherwise, the business processing panel sign that basis is got is first by what is received
Beginning UE message is transmitted to corresponding service processing board and is handled；
The service processing board is additionally operable to：
If the MME equipment identification information got is different from the distributed MME equipment identification information, to the master control
Plate sends distribution request, and the initial UE message received is handled to ask the master control borad to distribute a service processing board.
It is preferred that the service processing board is additionally operable to：
If not getting UE from the initial UE message received adds GUTI, obtain and carried in the initial UE message
Old GUTI；
According to the old GUTI, the MME equipment identification information included in the old GUTI is obtained；
If the MME equipment identification information got is identical with the distributed MME equipment identification information, from the old GUTI
In obtain business processing panel sign in the M-TMSI that includes, if the service processing board got is identified as this service processing board mark
Know, then handle the initial UE message received, otherwise, the business processing panel sign that basis is got is initial by what is received
UE message is transmitted to corresponding service processing board and is handled；
If the MME equipment identification information got is different from the distributed MME equipment identification information, to the master control
Plate sends distribution request, and the initial UE message received is handled to ask the master control borad to distribute a service processing board.
It is preferred that the master control borad is additionally operable to：
Receive the distribution request that the service processing board is sent；
According to the distribution request, the light service processing board of load is chosen from N number of service processing board and is allocated.
It is preferred that the interim subscriber identity of the overall situation master control borad distribution includes MME_UE-SIAP_ID；
The message that UE is sent is non-initial UE message, and the MME_UE- of the UE is carried in the non-initial UE message
SIAP_ID；
The service processing board is specifically used for：
The non-initial UE message that UE is sent is received, obtains the MME_UE-SIAP_ID carried in the non-initial UE message；
According to the MME_UE-SIAP_ID carried in the non-initial UE message, obtain and included in the MME_UE-SIAP_ID
Business processing panel sign.
It is preferred that the permanent subscriber identification is international mobile subscriber identity IMSI.
The embodiment of the present invention provides a kind of including global master control borad and N (N>1) the distributed MME of a service processing board is set
It is standby, wherein, global master control borad distributes service processing board and interim subscriber identity for UE, and institute is included in an interim subscriber identity
The business processing panel sign of distribution；, can root after service processing board receives the message for carrying interim subscriber identity of UE transmissions
The business processing panel sign included according to interim subscriber identity therein, determines which business board to handle the message by；So as to one
Aspect, realizes processing of the distributed MME equipment to message, on the other hand, Message Processing can be shared to multiple business processings
Plate.Since distributed MME equipment has multiple service processing boards, the capacity of the distribution MME equipment is improved so that the distribution
Formula MME can handle more UE.
Brief description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly introduced, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for this
For the those of ordinary skill in field, without having to pay creative labor, it can also be obtained according to these attached drawings
His attached drawing.
Fig. 1 is a kind of distributed MME equipment schematic diagram provided in an embodiment of the present invention；
Fig. 2 is the M-TMSI composition schematic diagrams that global master control borad is user's distribution in the embodiment of the present invention；
Fig. 3 is that global master control borad is that user distributes MME_UE_S1AP_ID composition schematic diagrams in the embodiment of the present invention；
Fig. 4 is the non-initial UE Message Processings flow diagram that the embodiment of the present invention is realized based on distributed MME equipment；
Fig. 5 is the initial UE message process flow schematic diagram that the embodiment of the present invention is realized based on distributed MME equipment.
Embodiment
In order to make the object, technical solutions and advantages of the present invention clearer, the present invention is made below in conjunction with attached drawing into
One step it is described in detail, it is clear that the described embodiment only a part of embodiment of the present invention, rather than whole implementation
Example.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without making creative work
All other embodiment, belongs to the scope of protection of the invention.
Fig. 1 is a kind of distributed MME equipment schematic diagram provided in an embodiment of the present invention, including：Global master control borad 101 and
N number of service processing board 102, N>1.
N number of service processing board 102 is connected with global master control borad 101, is full connection knot between N number of service processing board 102
Structure, i.e. there is connection between a service processing board 102 and remaining N-1 service processing board 102.Service processing board 102 it
Between can be connected by interconnection port, can be connected between service processing board 102 and global master control borad 101 by management port.
The overall situation master control borad 101 is used for, and distributes service processing board and interim subscriber identity for UE, and store the UE
Permanent subscriber identification and the business processing panel sign that is distributed between correspondence；Wherein, casual user's mark of a UE
Know and corresponded with the UE permanent subscriber identifications, and distributed business processing panel sign is included in an interim subscriber identity；
The service processing board 102 is used for, and receives message, if carrying interim subscriber identity in the message, obtains
The business processing panel sign that the interim subscriber identity carried in the message is included, if the service processing board got is identified as
This business processing panel sign, then handle the message, otherwise, the message is transmitted to the service processing board mark got
Know corresponding service processing board to be handled.
In the embodiment of the present invention, user's permanent identification can be IMSI (International Mobile
Subscriber Identification Number, international mobile subscriber identity).
Further, in the embodiment of the present invention, each service processing board 102 can be according to the setting cycle to global master control borad
101 report the loading condition of itself.
Further, if after service processing board 102 receives message, if not getting casual user's mark from the message
Knowledge only gets permanent subscriber identification, then sends inquiry request to the global master control borad, carry and obtain in the inquiry request
The permanent subscriber identification got；And the inquiry response that the global master control borad returns is received, if being carried in the inquiry response
Service processing board be identified as this business processing panel sign, then handle the message, otherwise, the message be transmitted to described look into
The service processing board corresponding to the business processing panel sign carried in response is ask to be handled.
Correspondingly, after global master control borad 101 receives the inquiry request, according to the permanent use carried in the inquiry request
Family mark inquires about the correspondence, if inquiring corresponding business processing panel sign, the service processing board mark that will be inquired
Knowledge is carried on inquiry response and is sent to the service processing board for initiating the inquiry request；Otherwise, taken according in the inquiry request
The permanent subscriber identification of band distributes corresponding interim subscriber identity and business processing panel sign, store the permanent subscriber identification with
Correspondence between the business processing panel sign distributed, and the business processing panel sign and interim subscriber identity that will be distributed
It is carried on inquiry response and is sent to the service processing board for initiating the inquiry request.
In the above process, it is preferable that the overall situation master control borad 101 can be according to the inquiry request and N number of business processing
The loading condition that plate is reported, the light service processing board of load is chosen from N number of service processing board and is allocated, so that real
Load balancing between present N number of service processing board.
By above description as can be seen that in distribution MME equipment provided in an embodiment of the present invention, including global master control borad
And N (N>1) the distributed MME equipment of a service processing board, wherein, global master control borad distributes service processing board for UE and faces
When user identifier, include distributed business processing panel sign in an interim subscriber identity；Service processing board receives UE hairs
After the message for carrying interim subscriber identity sent, the service processing board mark that can be included according to interim subscriber identity therein
Know, determine which business board is the message is handled by；On the one hand, processing of the distributed MME equipment to message, the opposing party are realized
Message Processing, can be shared multiple service processing boards by face.Since distributed MME equipment has multiple service processing boards, improve
The capacity of the distribution MME equipment so that distribution MME can handle more UE.
Above-mentioned overall situation master control borad 101 can be that UE distributes a variety of interim subscriber identities, such as, M-TMSI (M- can be distributed
Temporary Mobile Subscriber Identity, M- Temporary Mobile Subscriber Identity), S-TMSI, GUTI (Globally
Unique Temporary UE Identity, the unique interim UE marks in the whole world) etc., these interim subscriber identities can be used in UE
In the message interacted with core net, such as, in initial UE message, one UE of unique mark, for protecting the IMSI of UE to prevent
It is stolen.Above-mentioned overall situation master control borad 101 can also be that UE distributes the interim subscriber identities such as MME_UE-SIAP_ID.MME_UE-SIAP_
ID can be used for distributed MME equipment to can be used in one UE of S1 interfaces unique mark, the interim subscriber identity in core net and base
In the message of interaction of standing, such as, non-initial UE message, more specifically, in such as S1-AP message, one UE of unique mark, is used for
The IMSI of UE is protected to prevent from being stolen.The interim subscriber identity that one distributed MME equipment is distributed, in distribution MME
There is uniqueness inside equipment.
Wherein, the initial UE message may include but be not limited to the message of following species：Attach Request message, LAU
(Location Area Update, location area updating) request message, connection setup complete message, attachment removal request message, industry
Business request message etc..The non-initial UE message may include but be not limited to the message of following species：During service request, MME
The initial context for being sent to eNB establishes request message, and eNB is sent to the initial context of MME and establishes completion message；Cut
During changing, source eNB is sent to the handover request message of MME, and MME is sent to the handoff completion message of source eNB.
As it was previously stated, global master control borad 101 may include M-TMSI for the interim subscriber identity of UE distribution.The M- of one UE
The IMSI of the TMSI and UE is corresponded, when can replace IMSI as being communicated between the distributed MME equipment and the UE
User's unique mark.
Distributed business processing panel sign is included in the M-TMSI that global master control borad 101 is distributed.The embodiment of the present invention
In, business processing panel sign can be arranged on to the higher bit bit position of M-TMSI, may also be arranged on low bit bit position, the present invention
Embodiment is not limited position of the business processing panel sign in M-TMSI.
Preferably, business processing panel sign is arranged on the higher bit bit position of M-TMSI by the embodiment of the present invention.Fig. 2 is shown
A kind of data structure for the M-TMSI for including business processing panel sign.As shown in Fig. 2, the high 10bit of M-TMSI represents industry
The mark for processing board of being engaged in, low 22bit represent the unique mark of user.Wherein, the mark of service processing board can be used at the business
The power-on sequence number for managing plate characterizes.
If the message that UE is sent is initial UE message, the M-TMSI of the UE is carried in the initial UE message, then
After service processing board 102 receives the initial UE message of UE transmissions, the M-TMSI carried in the initial UE message can be got,
So that according to the M-TMSI carried in the initial UE message, the business processing panel sign included in the M-TMSI is obtained, and then
Can determine that it is that the initial UE message is handled by this service processing board, or the initial UE message is handled by other service processing boards.
If it is determined that handle the initial UE message by other service processing boards, then can be by the inter-connection links between service processing board, will
The initial UE message is sent to corresponding service processing board and is handled.
As it was previously stated, global master control borad 101 may include S-TMSI for the interim subscriber identity of UE distribution, IMSI can be replaced to make
User's unique mark when being communicated between the distributed MME equipment and the UE.Such as please in paging flow or business
Unique mark UE in flow is sought, to ensure the safety of communication process.
The IMSI of the S-TMSI and the UE of one UE are corresponded.S-TMSI is by MMEC (MME code, MME code) and M-
TMSI computings obtain, wherein, MMEC is the code of the distribution MME equipment, for the unique mark distribution MME equipment, M-
Distributed business processing panel sign is included in TMSI.In the embodiment of the present invention, business processing panel sign can be arranged on M-
The higher bit bit position of TMSI, may also be arranged on low bit bit position, the embodiment of the present invention is to business processing panel sign in M-
Position in TMSI is not limited.Preferably, business processing panel sign is arranged on the higher bit of M-TMSI by the embodiment of the present invention
Bit position, such as, as shown in Figure 2.
If the message that UE is sent is initial UE message, the S-TMSI of the UE is carried in the initial UE message, then
After service processing board 102 receives the initial UE message of UE transmissions, the S-TMSI carried in the initial UE message can be got,
So as to according to the S-TMSI carried in the initial UE message, get in the M-TMSI in the S-TMSI and M-TMSI and include
Business processing panel sign, and then can determine that it is that the initial UE message is handled by this service processing board, or by other business
Reason plate handles the initial UE message.If it is determined that handle the initial UE message by other service processing boards, then can be by business at
The inter-connection links between plate are managed, which is sent to corresponding service processing board and is handled.
As it was previously stated, global master control borad includes GUTI for the interim subscriber identity of UE distribution, which can replace IMSI to make
User's unique mark when being communicated between the distributed MME equipment and the UE.GUTI by MME UE perform attachment or
Distributed during TAU.
The GUTI of one UE and the IMSI of the user are corresponded, and GUTI is obtained by GUMMEI and M-TMSI computings,
GUMMEI is used for unique mark and distributes the MME of the GUTI, and M-TMSI is used for the UE in the unique mark MME.Wherein, GUMMEI by
MCC (Mobile Country Code, Mobile Country Code MCC), MNC (Mobile Network Code, Mobile Network Code) and MME
ID (MME marks) is formed, and MME ID are made of MME GroupID (MME groups mark) and MMEC.Include and distributed in the M-TMSI
Business processing panel sign.In the embodiment of the present invention, business processing panel sign can be arranged on to the higher bit bit position of M-TMSI,
Low bit bit position is may also be arranged on, the embodiment of the present invention is not limited position of the business processing panel sign in M-TMSI.
Preferably, business processing panel sign is arranged on the higher bit bit position of M-TMSI by the embodiment of the present invention, such as, as shown in Figure 2.
In general, when UE carries out network attachment for the first time, the service MME of the UE distributes GUTI for the UE.When UE carries out TAU
When, target MME can be that the UE distributes new GUTI, be known as additional GUTI (can be described as additional GUTI), and the UE is original
GUTI is known as old GUTI (can be described as old GUTI).In the case where source MME and target MME are not same MME, the old of the UE
GUTI and additional GUTI are differed, in the case where source MME is identical with target MME, the old GUTI of the UE with
Additional GUTI are identical.
In the embodiment of the present invention, if the message that UE is sent is initial UE message, carried in the initial UE message
The additional GUTI of UE is stated, then after service processing board 102 receives the initial UE message of UE transmissions, the initial UE can be got and disappeared
The additional GUTI carried in breath, so that according to the additional GUTI carried in the initial UE message, obtains what is included in the GUTI
MME equipment identification information；If the MME equipment identification information got is identical with the distributed MME equipment identification information, table
Bright current distributed MME equipment is to distribute the MME of the additional GUTI, then obtains industry in the M-TMSI included from the GUTI
Business processing panel sign, and then can determine that it is that the initial UE message is handled by this service processing board, or by other service processing boards
Handle the initial UE message.If it is determined that handling the initial UE message by other service processing boards, then it can pass through service processing board
Between inter-connection links, which is sent to corresponding service processing board and is handled.
If UE send message be initial UE message, do not carried in the initial UE message UE additional GUTI and
It is the old GUTI for carrying the UE, then after service processing board 102 receives the initial UE message of UE transmissions, institute can be got
The old GUTI carried in initial UE message are stated, so that according to the old GUTI carried in the initial UE message, obtain the old
The MME equipment identification information included in GUTI；If the MME equipment identification information got is identified with the distributed MME equipment
Information is identical, then shows that current distributed MME equipment is identical with the MME for distributing the old GUTI, then from the old GUTI
Comprising M-TMSI in obtain business processing panel sign, and then can determine that it is that the initial UE message is handled by this service processing board,
Or handle the initial UE message by other service processing boards.Disappear if it is determined that handling the initial UE by other service processing boards
Breath, then can be sent to corresponding service processing board by the initial UE message and carried out by the inter-connection links between service processing board
Processing.If the MME equipment identification information got is different from the distributed MME equipment identification information, show current distribution
Formula MME equipment is differed with distributing the MME of the old GUTI, then distribution request is sent to the master control borad, to ask the master
Control plate distributes a service processing board to handle the initial UE message received.
As it was previously stated, global master control borad 101 may include MME_UE-SIAP_ID, MME_ for the interim subscriber identity of UE distribution
UE-SIAP_ID can replace IMSI, as distributed MME equipment S1 interfaces user's unique mark.
The MME_UE-SIAP_ID of one UE and the IMSI of the user are corresponded, and are wrapped in a MME_UE-SIAP_ID
Containing the business processing panel sign distributed.In the embodiment of the present invention, business processing panel sign can be arranged on MME_UE-SIAP_
The higher bit bit position of ID, may also be arranged on low bit bit position, the embodiment of the present invention is to business processing panel sign in MME_UE-
Position in SIAP_ID is not limited.
Preferably, business processing panel sign is arranged on the higher bit position portion of MME_UE-SIAP_ID by the embodiment of the present invention
Point.Fig. 3 shows a kind of data structure for the MME_UE-SIAP_ID for including business processing panel sign.As shown in figure 3, MME_
The high 10bit of UE_S1AP_ID represents the mark of service processing board, and low 22bit represents the unique mark of user.Wherein, at business
The power-on sequence number of the service processing board can be used to characterize in the mark of reason plate.
Since in the embodiment of the present invention, distributed MME equipment can be that UE distributes a variety of interim subscriber identities, and different is interim
User identifier can be used for different signaling processes.Therefore, can specify that in different types of signaling process, distributed MME is set
Standby service processing board obtains which type of interim subscriber identity from the message received, so as to determine by this business
Plate or other service processing boards are managed to handle the message.It is highly preferred that a kind of general flow, service processing board can also be provided
According to the generalized flowsheet interim subscriber identity is obtained from the message received.
The message that UE is sent in the embodiment of the present invention is non-initial UE message or initial UE message, to be more clearly understood that this
Invention, specifically illustrates the process flow of above-mentioned distributed MME equipment for non-initial UE message and initial UE message individually below.
After distributed MME equipment receives message, it is first determined whether be initial UE message, if initial UE message,
Flow as shown in Figure 5 is then performed, if non-initial UE message, then perform flow as shown in Figure 4.
Wherein, as it was previously stated, initial UE message includes polytype message, distributed MME equipment can be according to message class
Whether the message that type judges to be currently received is initial UE message.Distributed MME equipment also can be according to the message being currently received
Whether it is that NAS (Non-access stratum, Non-Access Stratum) message or S1-AP message are judged, such as, if currently connect
Received message is NAS message, then is initial UE message, if the message being currently received is S1-AP message, for non-initial UE
Message.
Referring to Fig. 4, for the non-initial UE Message Processings flow diagram realized based on above-mentioned distributed MME equipment, the stream
Journey may include：
Step 401, after a service processing board of distributed MME equipment receives non-initial UE message, obtain non-initial
The MME_UE-SIAP_ID carried in UE message；Wherein, non-initial UE message can be by any one business of distributed MME equipment
Processing board receives；
Step 402, according to the MME_UE-SIAP_ID carried in the non-initial UE message, the MME_UE-SIAP_ is obtained
The business processing panel sign included in ID；
Step 403, the service processing board for judging to obtain is identified whether as this service processing board, if so, then performing step
404, if it is not, then performing step 405；
Step 404, this service processing board handles the non-initial UE message；
Step 405, the non-initial UE message is sent to corresponding service processing board according to business processing panel sign to carry out
Processing.
Referring to Fig. 5, shown for the embodiment of the present invention based on the initial UE message process flow that above-mentioned distributed MME equipment is realized
It is intended to, which may include：
Step 501, after a service processing board of distributed MME equipment receives initial UE message, the initial UE is judged
Whether interim subscriber identity is carried in message, if so, then performing step 505, if not having, perform step 502；Wherein, just
Beginning UE message can be received by any one service processing board of distributed MME equipment.
Step 502, the IMSI carried in the initial UE message is obtained.
Step 503~504, send inquiry request to the global master control borad, carry and get in the inquiry request
IMSI；The inquiry response that global master control borad returns is received, carries business processing panel sign in the inquiry response, and perform step
Rapid 515.
In the step, after global master control borad receives inquiry request, according to the IMSI carried in the inquiry request, inquiry should
Correspondence between IMSI and service processing board that global master control borad preserves, and respective handling, tool are carried out according to query result
Body includes：
If inquire corresponding service processing board, it is likely that be the initial UE message sent during UE reattachments, then
The mark of the service processing board inquired is carried the service processing board for initiating the inquiry request is sent to inquiry response；
If corresponding service processing board is not inquired, it is likely that be that the initial UE sent in the first attaching process of UE disappears
Breath, core net do not give UE distribution interim subscriber identities also, then distribute a service processing board, and by the service processing board of distribution
Mark is carried on query response message and is sent to the service processing board for initiating the inquiry request, and establishes at the IMSI and the business
The correspondence between plate is managed, further, global master control borad also distributes interim subscriber identity, the interim subscriber identity for the UE
In include the mark of distributed service processing board.
Preferably, can be according to all when global master control borad distributes service processing board according to the IMSI carried in inquiry request
The loading condition of service processing board, selection load low service processing board and are allocated.
Step 505, respective handling is carried out according to the type of the interim subscriber identity carried in the initial UE message.Wherein,
If interim subscriber identity is M-IMSI, step 506 is performed, if S-TMSI, then step 507 is performed, if GUTI, performs step
Rapid 508.
In the step, it is preferable that service processing board can in the following order, to the interim subscriber identity in initial UE message
It is identified：First determine whether the interim subscriber identity is M-TMSI, if it is not, judge again the interim subscriber identity whether be
S-TIMS, if it is not, judging whether the interim subscriber identity is GUTI again.Since GUTI may include additional GUTI and old
GUTI, therefore additional GUTI can be first obtained, if not getting additional GUTI, then obtain old GUTI.
Step 506, the M-IMSI carried in the initial UE message is obtained, according to the M-TMSI, obtains and is wrapped in the M-TMSI
The business processing panel sign contained, and perform step 514.
Step 507, the S-TMSI carried in the initial UE message is obtained, which includes M-IMSI, obtains the M-
The business processing panel sign included in IMSI, and perform step 514.
Step 508, judge with the presence or absence of additional GUTI in the initial UE message, if in the presence of execution step 509, if not
In the presence of, then perform step 510.
Step 509, the identification information of the distributed MME equipment in additional GUTI and additional GUTI is obtained, and performs step
511.
Step 510, the identification information of the distributed MME equipment in old GUTI and old GUTI is obtained, and performs step
511。
Step 511, according to the identification information of the distributed MME equipment got whether be this distribution MME equipment letter
Breath, if so, step 512 is then performed, if it is not, then performing step 513.
Step 512, the business processing panel sign in GUTI is obtained, and performs step 514.
Step 513, distribution request is sent to global master control borad, so that global master control borad chooses one according to the distribution request
A service processing board handles the initial UE message, and gives the service processing board identification feedback of selection to this business by assignment response
Processing board.
Preferably, after global master control borad receives the distribution request, according to the loading condition of all service processing boards, distribution
One service processing board, and by the mark of the service processing board of distribution be carried on assignment response message be sent to initiate the distribution request
Service processing board.
Step 514, the service processing board for judging to get is identified whether as this business processing panel sign, if so, then performing
Step 515, if it is not, then performing step 516.
Step 515, this service processing board handles the initial UE message.
Step 516, according to business processing panel sign, which is sent at corresponding service processing board
Reason.
From the above content, it can be seen that the embodiment of the present invention, which provides one kind, includes global master control borad and N (N>1) a business processing
The distributed MME equipment of plate, wherein, global master control borad distributes service processing board and interim subscriber identity for UE, and one is interim
Distributed business processing panel sign is included in user identifier；The casual user that carries that service processing board receives UE transmissions marks
After the message of knowledge, which business board the business processing panel sign that can be included according to interim subscriber identity therein, determine by
Manage the message；So as on the one hand, realize processing of the distributed MME equipment to message, on the other hand, Message Processing can be shared
To multiple service processing boards.Since distributed MME equipment has multiple service processing boards, the distribution MME equipment is improved
Capacity so that distribution MME can handle more UE.
The present invention be with reference to according to the method for the embodiment of the present invention, the flow of equipment (system) and computer program product
Figure and/or block diagram describe.It should be understood that it can be realized by computer program instructions every first-class in flowchart and/or the block diagram
The combination of flow and/or square frame in journey and/or square frame and flowchart and/or the block diagram.These computer programs can be provided
The processors of all-purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices is instructed to produce
A raw machine so that the instruction performed by computer or the processor of other programmable data processing devices, which produces, to be used in fact
The device for the function of being specified in present one flow of flow chart or one square frame of multiple flows and/or block diagram or multiple square frames.
These computer program instructions, which may also be stored in, can guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works so that the instruction being stored in the computer-readable memory, which produces, to be included referring to
Make the manufacture of device, the command device realize in one flow of flow chart or multiple flows and/or one square frame of block diagram or
The function of being specified in multiple square frames.
These computer program instructions can be also loaded into computer or other programmable data processing devices so that counted
Series of operation steps is performed on calculation machine or other programmable devices to produce computer implemented processing, thus in computer or
The instruction performed on other programmable devices is provided and is used for realization in one flow of flow chart or multiple flows and/or block diagram one
The step of function of being specified in a square frame or multiple square frames.
Although preferred embodiments of the present invention have been described, but those skilled in the art once know basic creation
Property concept, then can make these embodiments other change and modification.So appended claims be intended to be construed to include it is excellent
Select embodiment and fall into all change and modification of the scope of the invention.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
God and scope.In this way, if these modifications and changes of the present invention belongs to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising including these modification and variations.
Claims (10)
- A kind of 1. distribution mobility management entity MME equipment, it is characterised in that including：At global master control borad and N number of business Manage plate, N>1；The overall situation master control borad is used for, and service processing board and interim subscriber identity are distributed for user equipment (UE), and described in storage Correspondence between the permanent subscriber identification of UE and the business processing panel sign distributed；Wherein, the interim use of a user Family is identified to be corresponded with the permanent subscriber identification of the user, and distributed business processing is included in an interim subscriber identity Panel sign；The service processing board is used for, and receives message, if carrying interim subscriber identity in the message, obtains the message The business processing panel sign that the interim subscriber identity of middle carrying is included, if the service processing board got is identified as this business place Panel sign is managed, then handles the message, otherwise, the message is transmitted to corresponding to the business processing panel sign got Service processing board handled.
- 2. equipment as claimed in claim 1, it is characterised in that the service processing board is additionally operable to：If after receiving message, from the message not getting interim subscriber identity only gets permanent subscriber identification, then to The overall situation master control borad sends inquiry request, and the permanent subscriber identification got is carried in the inquiry request；And receive The inquiry response that the overall situation master control borad returns, if the service processing board carried in the inquiry response is identified as this business processing Panel sign, then handle the message, otherwise, the message is transmitted to the business processing panel sign carried in the inquiry response Corresponding service processing board is handled；The overall situation master control borad is specifically used for：The inquiry request is received, the correspondence is inquired about according to the permanent subscriber identification carried in the inquiry request, if Corresponding business processing panel sign is inquired, then the business processing panel sign inquired is carried on inquiry response is sent to initiation The service processing board of the inquiry request；Otherwise, it is corresponding according to the permanent subscriber identification distribution carried in the inquiry request Interim subscriber identity and business processing panel sign, store the permanent subscriber identification between the business processing panel sign that is distributed Correspondence, and by the business processing panel sign and interim subscriber identity that are distributed be carried on inquiry response be sent to initiate institute State the service processing board of inquiry request.
- 3. equipment as claimed in claim 2, it is characterised in that the overall situation master control borad is specifically used for：Please according to the inquiry Ask, the light service processing board of load is chosen from N number of service processing board and is allocated.
- 4. equipment as claimed in claim 1 or 2, it is characterised in that the overall situation master control borad is marked for the casual user of UE distribution Knowledge includes M-TMSI；The message that UE is sent is initial UE message, and the M-TMSI of the UE is carried in the initial UE message；The service processing board is specifically used for：The initial UE message that UE is sent is received, obtains the M-TMSI carried in the initial UE message；According to the M-TMSI carried in the initial UE message, the business processing panel sign included in the M-TMSI is obtained.
- 5. equipment as claimed in claim 1 or 2, it is characterised in that the overall situation master control borad is marked for the casual user of UE distribution Knowledge includes S-TMSI, and M-TMSI is included in the S-TMSI, business processing panel sign is included in the M-TMSI；The message that UE is sent is initial UE message, and the S-TMSI of the UE is carried in the initial UE message；The service processing board is specifically used for：The initial UE message that UE is sent is received, obtains the S-TMSI carried in the initial UE message；According to the S-TMSI carried in the initial UE message, the M-TMSI included in the S-TMSI is obtained；According to the M-TMSI got, the business processing panel sign included in the M-TMSI is obtained.
- 6. equipment as claimed in claim 1 or 2, it is characterised in that the overall situation master control borad is marked for the casual user of UE distribution Knowing includes the mark letter comprising M-TMSI and the distributed MME equipment in global unique temporary identity GUTI, the GUTI Cease, business processing panel sign is included in the M-TMSI；The message that UE is sent is initial UE message, and the distributed MME equipment distribution is carried in the initial UE message GUTI；The service processing board is specifically used for：The initial UE message that user sends is received, obtains the additional GUTI carried in the initial UE message；According to the additional GUTI carried in the initial UE message, the MME equipment identification information included in the GUTI is obtained；If the MME equipment identification information got is identical with the distributed MME equipment identification information, added from this in GUTI Comprising M-TMSI in obtain business processing panel sign, if the service processing board got is identified as this business processing panel sign, The initial UE message received is then handled, otherwise, by according to the business processing panel sign got, the initial UE received is disappeared Breath is transmitted to corresponding service processing board and is handled；The service processing board is additionally operable to：If the MME equipment identification information got is different from the distributed MME equipment identification information, sent out to the master control borad Distribution request is sent, the initial UE message received is handled to ask the master control borad to distribute a service processing board.
- 7. equipment as claimed in claim 6, it is characterised in that the service processing board is additionally operable to：If not getting UE from the initial UE message received adds GUTI, obtain carried in the initial UE message it is old GUTI；According to the old GUTI, the MME equipment identification information included in the old GUTI is obtained；If the MME equipment identification information got is identical with the distributed MME equipment identification information, wrapped from the old GUTI Business processing panel sign is obtained in the M-TMSI contained, if the service processing board got is identified as this business processing panel sign, The initial UE message received is handled, otherwise, the business processing panel sign that basis is got, the initial UE message that will be received Corresponding service processing board is transmitted to be handled；If the MME equipment identification information got is different from the distributed MME equipment identification information, sent out to the master control borad Distribution request is sent, the initial UE message received is handled to ask the master control borad to distribute a service processing board.
- 8. equipment as claimed in claim 6, it is characterised in that the master control borad is additionally operable to：Receive the distribution request that the service processing board is sent；According to the distribution request, the light service processing board of load is chosen from N number of service processing board and is allocated.
- 9. equipment as claimed in claim 1 or 2, it is characterised in that the interim subscriber identity bag of the overall situation master control borad distribution Include MME_UE-SIAP_ID；The message that UE is sent is non-initial UE message, and the MME_UE-SIAP_ of the UE is carried in the non-initial UE message ID；The service processing board is specifically used for：The non-initial UE message that UE is sent is received, obtains the MME_UE-SIAP_ID carried in the non-initial UE message；According to the MME_UE-SIAP_ID carried in the non-initial UE message, the industry included in the MME_UE-SIAP_ID is obtained Business processing panel sign.
- 10. such as the equipment any one of claim 1-3,7,8, it is characterised in that the permanent subscriber identification is the world Mobile identification number IMSI.
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| CN201510019609.8A CN104602225B (en) | 2015-01-14 | 2015-01-14 | A kind of distribution MME equipment |
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| CN201510019609.8A CN104602225B (en) | 2015-01-14 | 2015-01-14 | A kind of distribution MME equipment |
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| CN107172665A (en) * | 2016-03-08 | 2017-09-15 | 上海大唐移动通信设备有限公司 | A kind of data processing method, apparatus and system |
| CN109347985A (en) * | 2018-12-03 | 2019-02-15 | 群蜂信息技术(上海)有限公司 | A kind of multi-service processing method based on edge calculations, device and Edge Server |
| CN110430135B (en) * | 2019-07-08 | 2021-10-26 | 新华三信息安全技术有限公司 | Message processing method and device |
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