CN106851763A - Message route method, system and gateway in LTE network - Google Patents
Message route method, system and gateway in LTE network Download PDFInfo
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- CN106851763A CN106851763A CN201510891363.3A CN201510891363A CN106851763A CN 106851763 A CN106851763 A CN 106851763A CN 201510891363 A CN201510891363 A CN 201510891363A CN 106851763 A CN106851763 A CN 106851763A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W40/00—Communication routing or communication path finding
- H04W40/02—Communication route or path selection, e.g. power-based or shortest path routing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
- H04W8/08—Mobility data transfer
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W40/00—Communication routing or communication path finding
- H04W40/02—Communication route or path selection, e.g. power-based or shortest path routing
- H04W40/20—Communication route or path selection, e.g. power-based or shortest path routing based on geographic position or location
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Abstract
The present invention relates to the message route method in a kind of LTE network, including：The MME of roaming place LTE network sends access request to international roaming gateway DRA, and source user mark is carried in the access request；Whether the DRA sends request message according to the HSS of source user mark location the to a HSS, source user mark is carried in the request message, supports that whether request retries mark and supports that routing optimality is identified；When first HSS after source user mark inquiry database according to having found that user does not exist, if whether supporting that request retries to be designated supports that request is retried, and whether support that routing optimality is designated support routing optimality, then a HSS returns to error code to international roaming gateway DRA, and carrying supports request to retry mark and supports routing optimality mark；DRA parses error code, to EMNP initiation inquiry requests, inquires corresponding targeted customer's mark and destination routing address according to source user mark, and uses targeted customer to identify and initiate access request to the 2nd HSS again with destination routing address.
Description
Technical field
The present invention relates to moving communicating field, message route method in more particularly to a kind of LTE network,
System and gateway.
Background technology
LTE (Long Term Evolution, Long Term Evolution) is by 3GPP (The 3rd Generation
Partnership Project, third generation partner program) UMTS (the Universal Mobile that specify of tissue
Telecommunications System, UMTS) technical standard Long Term Evolution.LTE cores
(Mobility Management Entity are the crucial control in 3GPP agreements LTE to MME in heart net
Node) S6a interfaces and HSS (Home Subscriber Server, home signature user server) between
Based on Diameter basic agreements.Diameter basic agreements are provided for various authentication, authorization, accounting business
Framework that is safe and reliable, being easy to extension, its relate generally to capabilities negotiation, message how to be sent, it is right
Finally how to terminate the aspects such as communication Deng both sides.Diameter is defined in RFC3588Diameter agreements
Using the routing table mode based on domain, all route queryings based on domain depend on routing table to hold message route
Capable.
The 3GPP29.272 agreement specified in more detail mode of S6a interface positions HSS.MME or DRA
(Diameter Routing Agent, route agent's node) needs the User-Name in S6a interface messages
AVP (i.e. the IMSI number of user) positions HSS.But, generally existing one in current mobile communications network
Individual user uses the situation of multiple usim cards simultaneously.Such as, runed for CDMA as China Telecom
Business, commonly uses the Sponsor IMSI of roaming carrier offer during its original 3G subscription international roaming, and
The IMSI number of China Telecom's self-operation is used during development 4G business at home.But if such user is international
If necessary to use 4G business during roaming, due to being related to the items such as the roaming agreement negotiation of new digit, therefore
Within the quite a long time, still need to be accessed using Sponsor IMSI during this certain customers' international roaming
LTE network.
The content of the invention
Based on this, it is necessary to for above-mentioned technical problem, there is provided it is a kind of can realize route flexible transformation and number
Message route method, system and gateway in the LTE network that code automatically switches.
A kind of message route method in LTE network, methods described includes：
The MME of roaming place LTE network sends access request to international roaming gateway DRA, and the access please
Middle carrying source user is asked to identify；
The international roaming gateway DRA according to the HSS of source user mark location the, to described first
Whether HSS sends request message, source user mark is carried in the request message, supports that request retries mark
Whether support that routing optimality is identified；
When first HSS after source user mark inquiry database according to having found that user does not exist, if institute
State and whether support that request is retried and be designated support request and retry, and described whether support that routing optimality is designated branch
Routing optimality is held, then a HSS returns to error code to international roaming gateway DRA, and carries support
Request retries mark and supports routing optimality mark；
The international roaming gateway DRA parses the error code, inquiry request is initiated to EMNP, according to institute
State source user mark and inquire corresponding targeted customer's mark and destination routing address, and used using the target
Family identifies and destination routing address initiates access request to the 2nd HSS again.
Wherein in one embodiment, if it is described whether support request retry be designated support request retry, and
It is described whether to support that routing optimality is designated and do not support routing optimality, then sent out from a HSS to EMNP
Inquiry request is played, corresponding targeted customer's mark and destination routing address is inquired according to source user mark,
And identified using the targeted customer and destination routing address, initiate access request to the 2nd HSS again.
Wherein in one embodiment, whether support that request retries to be designated and do not support that request is retried if described,
Then a HSS returns to error code to international roaming gateway DRA and carrying does not support that request retries mark；Institute
International roaming gateway DRA transmitted response message is stated to MME, refuses this access.
Wherein in one embodiment, the request message is subscription authentication request or position updating request.
A kind of message routing system in LTE network, the system includes：
The MME of roaming place LTE network, it is described for sending access request to international roaming gateway DRA
Source user mark is carried in access request；
International roaming gateway DRA, for according to the HSS of source user mark location the, to described first
Whether HSS sends request message, source user mark is carried in the request message, supports that request retries mark
Whether support that routing optimality is identified；
First HSS, during for according to finding that user does not exist after source user mark inquiry database, if
It is described whether to support that request is retried and be designated support request and retry, and described whether support that routing optimality is designated
Routing optimality is supported, then returns to error code to international roaming gateway DRA, and carrying supports that request retries mark
With support routing optimality mark；
The international roaming gateway DRA is additionally operable to parse the error code, and inquiry request is initiated to EMNP,
Corresponding targeted customer's mark and destination routing address are inquired according to source user mark, and using described
Targeted customer identifies and destination routing address initiates access request to the 2nd HSS again.
Wherein in one embodiment, if whether a HSS is additionally operable to described support that request retries mark
To support that request is retried, and it is described whether support that routing optimality is designated and do not support routing optimality, then to EMNP
Inquiry request is initiated, corresponding targeted customer's mark is inquired according to source user mark and target is route ground
Location, and identified and destination routing address using the targeted customer, initiate access request to the 2nd HSS again.
Wherein in one embodiment, if whether a HSS is additionally operable to described support that request retries mark
Not support that request is retried, then return to error code to international roaming gateway DRA and carrying does not support that request is retried
Mark；The international roaming gateway DRA is additionally operable to transmitted response message to MME, refuses this access.
Wherein in one embodiment, the request message is subscription authentication request or position updating request.
A kind of message route method in LTE network, methods described includes：
The access request that the MME of roaming place LTE network sends is received, carrying source in the access request uses
Family identifies；
According to the HSS of source user mark location the, request message is sent to a HSS, it is described
Source user mark is carried in request message, whether supports that whether request retries mark and supports that routing optimality is identified；
Receive the error code of HSS returns and parse the error code, if the error code carries support
Request retries mark and supports routing optimality mark, then initiate inquiry request to EMNP, is used according to the source
Family mark inquires corresponding targeted customer's mark and destination routing address, and is identified using the targeted customer
Access request is initiated with destination routing address to the 2nd HSS again.
Wherein in one embodiment, if the error code carries and do not support request and retry mark, forward
Response message refuses this access to MME.
Wherein in one embodiment, the request message is subscription authentication request or position updating request.
A kind of gateway for realizing message route in the lte networks, the gateway includes：
Message reception module, the access request that the MME for receiving roaming place LTE network sends is described
Source user mark is carried in access request；
Message transmission module, for according to the HSS of source user mark location the, to a HSS
Request message is sent, source user mark is carried in the request message, whether is supported that request retries mark and is
No support routing optimality mark；
Parsing module, for receiving the error code of HSS returns and parsing the error code；
Enquiry module, if carrying support request for the error code retries mark and support routing optimality mark
Will, then initiate inquiry request to EMNP, and corresponding targeted customer's mark is inquired according to source user mark
Know and destination routing address；
Again AM access module, for being identified with destination routing address again to second using the targeted customer
HSS initiates access request.
Wherein in one embodiment, the gateway also includes：
Respond module, mark is retried if being carried for the error code and do not support request, and transmitted response disappears
Breath refuses this access to MME.
Wherein in one embodiment, the request message is subscription authentication request or position updating request.
Message route method, system and gateway in above-mentioned LTE network, extend by request message
Whether whether support request retries mark and supports that routing optimality is identified, and is supporting request to retry and is supporting route
In the case of optimization, international roaming gateway DRA parsing error codes can obtain supporting that request retries mark and supports
Routing optimality mark, so can according to source user identify to EMNP inquire corresponding targeted customer mark and
Destination routing address, the 2nd HSS can be navigated to according to destination routing address, so as to targeted customer's mark can be used
Know and destination routing address initiates access request to the 2nd HSS again, it is achieved thereby that the flexible transformation of route,
And the automatic switchover of number can be realized.
Brief description of the drawings
Fig. 1 is the flow chart of the message route method in LTE network in one embodiment；
Fig. 2 is the frame diagram of the message routing system in LTE network in one embodiment；
Fig. 3 is the flow chart of the message route method in LTE network in another embodiment；
Fig. 4 be one embodiment in realize in the lte networks message route gateway structured flowchart；
Fig. 5 is the structured flowchart of the gateway for realizing message route in another embodiment in the lte networks；
Fig. 6 is the protocol stack arrangement schematic diagram of EMNP in one embodiment；
Fig. 7 is to support request to retry and support the subscription authentication access process of routing optimality in one embodiment
Schematic diagram；
Fig. 8 is the user position update incoming stream for supporting to ask to retry and support routing optimality in one embodiment
The schematic diagram of journey；
Fig. 9 is the subscription authentication access process for supporting to ask to retry but do not support routing optimality in one embodiment
Schematic diagram；
Figure 10 be one embodiment in support request retry but do not support that the user position update of routing optimality is accessed
The schematic diagram of flow.
Specific embodiment
Message route method in the LTE network that the embodiment of the present invention is provided, it is adaptable to which user uses multiple
Can realize that the flexible route and route of the various numbers of user are retried in the case of usim card, it is possible to achieve number
Automatic switchover.Whether the embodiment of the present invention supports request to retry mark and be by being extended in request message
No support routing optimality mark, gateway can retry message and initiate routing inquiry to EMNP by the request for extending,
Extension request retry message in carry request retry mark and support routing optimality mark in the case of,
Can be identified according to source user and inquire corresponding targeted customer's mark and destination routing address to EMNP, so that
Identified using targeted customer and destination routing address initiates access request to the 2nd HSS again, it is achieved thereby that
The automatic switchover of the flexible transformation and number of route.
As shown in figure 1, in one embodiment, there is provided the message route method in a kind of LTE network,
Comprise the following steps：
Step 102, the MME of roaming place LTE network sends access request to international roaming gateway DRA,
Source user mark is carried in the access request.
In the present embodiment, user uses source user identification access roaming place LTE network, such as, source user mark
The Sponsor IMSI that the roaming carrier that knowledge is used when can be 3G subscription international roaming is provided.Roaming place
The MME of LTE network receives the access request of user, and access request is forwarded into international roaming gateway
DRA, carries source user mark in request message.
Step 104, international roaming gateway DRA according to the HSS of source user mark location the, to a HSS
Send request message, in the request message carry source user mark, whether support request retry mark and whether
Support routing optimality mark.
In the present embodiment, original request message is extended, increased and whether support that request retries mark
Know and whether support that routing optimality is identified.Such as, for the AIR message (authentication requests of original S6a interfaces
Message) middle expansion AIR-Flags, for identifying whether whether AIR message supports request to retry and support route
Optimization.For expanding ULR-Flags in the ULR message (renewal location request message) of original S6a interfaces,
For identifying whether whether ULR message supports request to retry and support routing optimality.
Specifically, international roaming gateway DRA can navigate to HSS, i.e. a HSS according to source user mark,
Request message is sent to a HSS, the mark of extension is carried in the request message, disappeared for identification request
Whether whether breath supports request to retry and supports routing optimality.
Step 106, when a HSS after source user mark inquiry database according to having found that user does not exist, if
Whether whether support request retries to be designated is supported that request is retried, and supports that routing optimality is designated support route
Optimization, then a HSS returns to error code to international roaming gateway DRA, and carrying supports that request retries mark
Will and support routing optimality mark.
In the present embodiment, whether the original response message to request message has been also carried out extension, increased and support
Whether request retries mark and supports that routing optimality is identified.Such as the AIA message (mirror of original S6a interfaces
Power response message) middle expansion AIA-Flags, for identifying whether whether AIA message supports request to retry and prop up
Hold routing optimality.For expanding in the ULA message (more new position response message) of original S6a interfaces
ULA-Flags, for identifying whether whether ULA message supports request to retry and support routing optimality.
First HSS does not exist the user in inquiring database according to source user mark, then can be to international roaming
Gateway DRA return response message, wherein comprising error code and expand whether support request retry mark and be
No support routing optimality mark.In the present embodiment, if support that request retries to be designated and support that request retries mark
Will, if support that routing optimality is designated support routing optimality mark.
Step 108, international roaming gateway DRA parsing error codes, inquiry request is initiated to EMNP, according to
Source user mark inquires corresponding targeted customer's mark and destination routing address, and is identified using targeted customer
Access request is initiated with destination routing address to the 2nd HSS again.
Storage in EMNP (Evolved Mobile Number Portability, Evolved mobile number portability)
Multiple ID of user, such as user use multiple usim cards, then correspond to and store many of user
Individual IMSI number.In the present embodiment, international roaming gateway DRA parsing error codes get support request
Retry mark and support routing optimality mark, then international roaming gateway DRA sends the user of extension to EMNP
Request URR (User-Retry-Request) message is retried, the URR message of extension is used for entering to EMNP
Row routing inquiry, in the URR message comprising source user mark, the host name of message originator and domain name,
The information such as message sending destination host name and domain name.
In a specific embodiment, URR message definitions are as follows：
<User-Retry-Request>::=<Diameter Header:325,REQ,PXY,16777251>
<Session-Id>// session id
[Vendor-Specific-Application-Id] // equipment vendor ID
The definition of { Auth-Session-State } //Diameter basic agreements
Parameter, for representing whether service end is needed for this session reserved state information
The host name of { Origin-Host } // message originator
The domain name of { Origin-Realm } // message originator
[Destination-Host] // message sending destination host name
{ Destination-Realm } // message sending destination domain name
{ Origin-User-Name } // source user is identified
Further, EMNP receives URR message, and inquiring corresponding target according to source user mark uses
Family identifies and destination routing address, and generates user and retry response message URA (User-Retry-Answer),
It is back to international roaming gateway DRA.URA message is also the message of extension, wherein identified comprising source user,
Targeted customer's mark (number for redirecting), destination routing address (address domain name for redirecting), disappear
Cease the information such as the host name and domain name of initiator.
In a specific embodiment, URA message definitions are as follows：
<User-Retry-Answer>::=<Diameter Header:325,PXY,16777251>
<Session-Id>// session id
[Vendor-Specific-Application-Id] // equipment vendor ID
[Result-Code] // result code
[Experimental-Result] // error code
[Error-Diagnostic] // error code diagnostic message
The definition of { Auth-Session-State } //Diameter basic agreements
Parameter, for representing whether service end is needed for this session reserved state information
The host name of { Origin-Host } // message originator
The domain name of { Origin-Realm } // message originator
{ Origin-User-Name } // source user is identified
[Redirection-User-Name] // redirect number
[Redirection-Realm] // Redirect Address domain name
Further, international roaming gateway receives URA message, according to targeted customer's mark and target route
Address is that may be directed to the 2nd HSS, so as to initiate access request to the 2nd HSS.
In the present embodiment, whether whether request is supported to retry mark and support by being extended in request message
Routing optimality is identified, in the case where supporting request to retry and supporting routing optimality, international roaming gateway DRA
Parsing error code can obtain support request and retry mark and support routing optimality mark, and then can be according to source user
Identify and inquire corresponding targeted customer's mark and destination routing address to EMNP, according to destination routing address
The 2nd HSS can be navigated to, so as to targeted customer's mark and destination routing address can be used again to the 2nd HSS
Access request is initiated, it is achieved thereby that the flexible transformation of route, and the automatic switchover of number can be realized.
In one embodiment, if in request message whether support request retry be designated support request retry,
And whether support that routing optimality is designated and do not support routing optimality, then directly initiated to EMNP from a HSS
Inquiry request, inquires corresponding targeted customer's sign and destination routing address, and make according to source user mark
Identified with targeted customer and destination routing address, initiate access request to the 2nd HSS again.
Specifically, a HSS sends the URR message of extension to EMNP, EMNP receives URR and disappears
Breath, inquires corresponding targeted customer's mark and destination routing address, and generate URA according to source user mark
Message, is back to international roaming gateway DRA.International roaming gateway DRA receives URA message, according to
Targeted customer identifies and destination routing address is that may be directed to the 2nd HSS, so as to initiate to access to the 2nd HSS
Request.
In one embodiment, if in request message whether support request retry be designated do not support request weight
Examination, then a HSS returns to error code to international roaming gateway DRA and carrying does not support that request retries mark,
International roaming gateway DRA transmitted response message refuses this access to MME.
In the present embodiment, a HSS does not exist according to discovery user after source user mark inquiry database, and
Get in request message and do not support that request retries mark, then return to error code to international roaming gateway DRA
And request flag is not supported in carrying, international roaming gateway DRA parsing error codes get and do not support request mark
Will, then transmitted response message is to MME, refuses this access.
In one embodiment, request message can be subscription authentication request or position updating request.It is appreciated that
, the message route method in the LTE network that the embodiment of the present invention is provided is not limited to both please
Message is sought, it is of the invention that other need the request message that flexible route is carried out according to ID to use
Message route method in the LTE network that embodiment is provided.
As shown in Fig. 2 in one embodiment, there is provided the message routing system 20 in a kind of LTE network,
The system 20 includes MME21, the international roaming gateway DRA22 and a HSS23 of roaming place LTE network,
Wherein：
The MME21 of roaming place LTE network is used to send access request to international roaming gateway DRA22, should
Source user mark is carried in access request.
International roaming gateway DRA22 is used for according to the HSS23 of source user mark location the, to a HSS23
Send request message, in the request message carry source user mark, whether support request retry mark and whether
Support Route Distinguisher.
First HSS23 is used for during according to finding that user does not exist after source user mark inquiry database, if whether
Support that request retries to be designated and support that request is retried, and whether support that routing optimality is designated support routing optimality,
Error code then is returned to international roaming gateway DRA22, and carries support request and retried mark and support that route is excellent
Change mark.
In the present embodiment, international roaming gateway DRA22 is additionally operable to parse error code, initiates to inquire about to EMNP
Request, inquires corresponding targeted customer's mark and destination routing address, and use mesh according to source user mark
Mark ID and destination routing address, and identified with destination routing address again to second using targeted customer
HSS initiates access request.
In one embodiment, if whether a HSS23 is additionally operable to support that request is retried is designated support request
Retry, and whether support that routing optimality is designated and do not support routing optimality, then initiate inquiry request to EMNP,
Corresponding targeted customer's mark and destination routing address are inquired according to source user mark, and is used using institute's target
Family identifies and destination routing address, initiates access request to the 2nd HSS again.
In one embodiment, if whether a HSS23 is additionally operable to support that request is retried is designated that do not support please
Ask and retry, then return to error code to international roaming gateway DRA and carrying does not support that request retries mark.This reality
Apply in example, international roaming gateway DRA22 is additionally operable to transmitted response message to MME, refuse this access.
In one embodiment, request message can be subscription authentication request or position updating request.It is appreciated that
, the message routing system in the LTE network that the embodiment of the present invention is provided is not limited to both please
Message is sought, it is of the invention that other need the request message that flexible route is carried out according to ID to use
Message routing system in the LTE network that embodiment is provided.
As shown in figure 3, in one embodiment, additionally providing the message route side in another LTE network
Method, to be applied to be illustrated in the gateway in LTE network, the method includes the method：
Step 302, receives the access request that the MME of roaming place LTE network sends, and is taken in the access request
Band source user mark.
In the present embodiment, after user's roaming, source user identification access roaming place LTE network, roaming place are used
The MME of LTE network receives the access request of user, and access request is forwarded into gateway, and gateway is then received
To the access request that MME sends, access request carrying source user mark.
Step 304, according to the HSS of source user mark location the, request message is sent to a HSS, should
Source user mark is carried in request message, whether supports that whether request retries mark and supports that routing optimality is identified.
In the present embodiment, the request message that original gateway is sent to HSS is extended, increased is
Whether no support request retries mark and supports that routing optimality is identified.Such as, for the AIR of original S6a interfaces
Expand AIR-Flags in message (authentication request message), for identifying whether AIR message supports that request is retried
Whether routing optimality is supported.For in the ULR message (renewal location request message) of original S6a interfaces
Expand ULR-Flags, for identifying whether whether ULR message supports request to retry and support routing optimality.
Step 306, receives the error code of HSS returns and parses error code, if error code carries branch
Hold request to retry mark and support routing optimality mark, then inquiry request is initiated to EMNP, according to source user
Mark inquires corresponding targeted customer's mark and destination routing address, and is identified and target using targeted customer
Routing address initiates access request to the 2nd HSS again.
In the present embodiment, a HSS receives request message, according to hair after source user mark inquiry database
Existing user does not exist, and in request message whether support request is retried is designated support request and retries, if
Support that routing optimality is designated support Route Distinguisher, then return to error code to gateway, and carry support request
Retry mark and support routing optimality mark.Gateway receives error code and parses error code, gets support
Request retries mark and supports routing optimality mark, then the user for sending extension to EMNP retries request URR
(User Retry Request) message, for carrying out routing inquiry to EMNP.EMNP receives URR
Message, corresponding targeted customer's mark and destination routing address are inquired according to source user mark, generate user
Corresponding message URA is retried, gateway is back to.Gateway receives URA message, is identified according to targeted customer
It is that may be directed to the 2nd HSS with destination routing address, so as to initiate access request to the 2nd HSS.
In one embodiment, if error code carries and do not support request and retry mark, transmitted response message
To MME, refuse this access.In the present embodiment, in request message whether support request retry not prop up
Hold request to retry, a HSS does not exist according to discovery user after source user mark inquiry database, then to net
Close and return to error code, gateway receives error code and gets and do not support request and retry mark, then transmitted response disappears
MME is ceased, refuses this access.
In one embodiment, request message can be subscription authentication request or position updating request.It is appreciated that
, the message route method in the LTE network that the embodiment of the present invention is provided is not limited to both please
Message is sought, it is of the invention that other need the request message that flexible route is carried out according to ID to use
Message route method in the LTE network that embodiment is provided.
As shown in figure 4, in one embodiment, additionally providing one kind and realizing that message route in the lte networks
Gateway 40, the gateway 40 includes：
Message reception module 41, the access request that the MME for receiving roaming place LTE network sends, should
ID is carried in access request.
Message transmission module 42, for according to the HSS of source user mark location the, being sent to a HSS please
Message is sought, source user mark is carried in the request message, whether is supported that whether request retries mark and supports road
Identified by optimization.
Parsing module 43, for receiving the error code of HSS returns and parsing error code.
Enquiry module 44, if carrying support request for error code retries mark and support routing optimality mark,
Inquiry request then is initiated to EMNP, corresponding targeted customer's mark and target are inquired according to source user mark
Routing address.
Again AM access module 45, identify for use targeted customer and destination routing address are again to the 2nd HSS
Initiate access request.
In one embodiment, as shown in figure 5, gateway 40 also includes：Respond module 46, if for mistake
Code carries and do not support request and retry mark, then transmitted response message is refused this and accessed to MME.
In one embodiment, request message is subscription authentication request or position updating request.May be appreciated
It is that the gateway for realizing message route in the lte networks that the embodiment of the present invention is provided is not limited to can
For both request messages, other request messages for needing to carry out flexible route according to ID all may be used
With the gateway for realizing message route in the lte networks provided using the embodiment of the present invention.
The present invention is described in detail below in conjunction with subscription authentication access process and user position update access process
The principle of the method for message route is realized in the LTE network that embodiment is provided.It is understood that this hair
Realize that the method for message route is not limited to subscription authentication incoming stream in the LTE network that bright embodiment is provided
Journey and user position update access process, other need to do the request message institute of flexible route according to Subscriber Number
The flow being related to realizes the method that message route during provided LTE network similarly can be used.
Fig. 6 shows the protocol stack arrangement of EMNP.It will be appreciated from fig. 6 that EMNP be traditional circuit domain with
The LTE evolution of MNP equipment, while MAP and DIAMETER agreements are supported, additionally, also propping up
Hold the agreements such as TCAP, SCCP, IP.EMNP is used to provide the number portability queries for passing circuit domain, and props up
The Diameter routing inquiries in EPC domains are held, flexible FH-number transform strategy is supported.
Fig. 7 shows subscription authentication access process when supporting that request is retried and supports routing optimality, with reference to Fig. 7
Shown, the subscription authentication access process includes：
Step 701：User accesses LTE network, by UE (User Equipment, user equipment) to unrestrained
Trip ground MME initiates access request (Attach Request), carries source user mark.The present embodiment is used with source
Family is designated Sponsor IMSI and is illustrated.
Step 702：Roaming place MME has found to need to carry out authentication process to the user, to roaming gateway DRA
Authentication request AIR message is sent, Sponsor IMSI are carried.
Step 703：DRA analyzes Sponsor IMSI, and AIR message is sent to HSS1, and the AIR disappears
Carried in AIR-Flags in breath and support request to retry mark and support optimization route indication.
Step 704：HSS1 inquires about local data base and fails using Sponsor IMSI, and AIA is sent to DRA
Message, includes error code 5001 in the AIA message, and carrying supports that request retries mark in AIA-Flags.
Step 705：DRA parses AIA message, finds error code 5001, and carried in AIA-Flags
Request retries mark, then initiate URR inquiry requests to EMNP using Sponsor IMSI.
Step 706：EMNP receives URR message, inquires about local data base, obtains and Sponsor IMSI
Corresponding redirection IMSI and Redirect Address HSS2, URA message is returned to DRA, wherein carry turning
Redirection mark IMSI and Redirect Address HSS2 after changing.
Step 707：DRA identifies IMSI (own IMSI) according to EMNP returning results using redirecting
AIR is initiated to HSS2 to inquire about.
Step 708：HSS2 inquires about local data base using own IMSI, completes authentication operations, and to DRA
Return to AIA message.
Step 709：DRA returns to AIA message to MME, carries associated authentication vector.
Step 710：MME completes subscription authentication flow.
Fig. 8 shows user position update access process when supporting that request is retried and supports routing optimality, joins
Examine shown in Fig. 8, the user position update access process includes：
Step 801：After user international roaming, UE initiates access request (Attach to roaming place MME
Request source user mark) is carried, the present embodiment is said so that source user is designated Sponsor IMSI as an example
It is bright.
Step 802：MME completes the authentication operations of the user.
Step 803：After authentication passes through, MME updates request ULR to international roaming gateway DRA launch positions,
Sponsor IMSI are carried in ULR message.
Step 804：DRA analyzes Sponsor IMSI, and ULR message, wherein ULR-Flags are sent to HSS1
Middle carrying supports request to retry mark and supports routing optimality mark.
Step 805：HSS1 inquires about failed database using Sponsor IMSI, and returning to ULA to DRA disappears
Breath, wherein supporting that request retries mark comprising being carried in error code 5001 and ULA-Flags, ULA-Flags.
Step 806：DRA parses ULA message, finds error code in 5001, and ULA-Flags
Carry support request and retry mark, then initiate URR to EMNP using Sponsor IMSI and inquire about, URR
Message carries source user mark Sponsor IMSI.
Step 807：EMNP receives URR message, inquires about local data base, obtains and Sponsor IMSI
Corresponding redirection IMSI and Redirect Address HSS2, URA message is returned to DRA, wherein carry turning
Redirection mark IMSI and Redirect Address HSS2 after changing.
Step 808：DRA according to EMNP returning results, using the own IMSI for redirecting to HSS2
ULR inquiries are initiated, and is carried and carry in Sponsor IMSI and ULR-Flags, ULR-Flags that support please
Ask and retry mark.
Step 809：Carried in HSS2 detections ULR-Flags and support that request retries mark, and carry Sponsor
Before IMSI, and user other MME registered (HSS can record user before register MME
Address), then first initiate CLR to old MME (i.e. registered MME) using Sponsor IMSI
(Cancel-Location-Request cancels Location Request) request.
Step 810：Old MME delete the original carrying of user, and return to CLA to HSS2
(Cancel-Location-Answer cancels positioning response) message.
Step 811：HSS2 reuses own IMSI inquiry local data bases, and returning to ULA to DRA disappears
Breath.
Step 812：DRA returns to ULA message to MME.
Step 813：MME starts to be carried for user sets up, and completes user's access operation.
Fig. 9 shows subscription authentication access process when supporting that request is retried but do not support routing optimality, reference
Shown in Fig. 9, the subscription authentication access process includes：
Step 901：User accesses LTE network, and access request (Attach is initiated from UE to roaming place MME
Request), source user mark is carried.The present embodiment is designated Sponsor IMSI and illustrate with source user
It is bright.
Step 902：Roaming place MME has found to need to carry out authentication process to the user, to roaming gateway DRA
Authentication request AIR message is sent, Sponsor IMSI are carried.
Step 903：DRA analyzes Sponsor IMSI, and AIR message is sent to HSS1, and the AIR disappears
Carried in AIR-Flags in breath and support request to retry mark and do not support to optimize route indication.
Step 904：HSS1 inquires about local data base failure using Sponsor IMSI and failure cause is unknown
User, but carried in AIR-Flags and support that request retries mark and do not support routing optimality mark, then HSS1
URR inquiry requests are initiated to EMNP using Sponsor IMSI, Sponsor IMSI are carried in URR message.
Step 905：EMNP inquires about local data base, obtains redirection IMSI corresponding with Sponsor IMSI
With Redirect Address HSS2, URA message is returned to HSS1, wherein carrying the redirection IMSI after conversion
With Redirect Address HSS2.
Step 906：HSS1 identifies IMSI (own IMSI) according to EMNP returning results using redirecting
AIR is initiated to HSS2 to inquire about.
Step 907：HSS2 inquires about local data base using own IMSI, completes authentication operations, and to HSS1
Return to AIA message.
Step 908：HSS1 returns to AIA message to DRA, carries associated authentication vector.
Step 909：DRA returns to AIM message to MME, carries associated authentication vector.
Step 910：MME completes subscription authentication flow.
Figure 10 shows user position update access process when supporting that request is retried but do not support routing optimality,
With reference to shown in Figure 10, the user position update access process includes：
Step 1001：After user international roaming, UE initiates access request (Attach to roaming place MME
Request source user mark) is carried, the present embodiment is said so that source user is designated Sponsor IMSI as an example
It is bright.
Step 1002：MME completes the authentication operations of the user.
Step 1003：After authentication passes through, MME updates to international roaming gateway DRA launch positions and asks
Sponsor IMSI are carried in ULR, ULR message.
Step 1004：DRA analyzes Sponsor IMSI, and ULR message, wherein ULR-Flags are sent to HSS1
Middle carrying supports that request retries mark and do not support routing optimality mark.
Step 1005：HSS1 inquires about local data base failure using Sponsor IMSI and failure cause is not for
Know user, but carried in ULR-Flags and support that request retries mark and do not support routing optimality mark, then
HSS1 initiates URR inquiry requests using Sponsor IMSI to EMNP, and Sponsor is carried in URR message
IMSI。
Step 1006：EMNP inquires about local data base, obtains redirection IMSI corresponding with Sponsor IMSI
With Redirect Address HSS2, URA message is returned to HSS1, wherein carrying the redirection IMSI after conversion
With Redirect Address HSS2.
Step 1007：HSS1 identifies IMSI (own IMSI) according to EMNP returning results using redirecting
ULR is initiated to HSS2 to inquire about, and carry and take in Sponsor IMSI and ULR-Flags, ULR-Flags
Band supports that request retries mark.
Step 1008：Carried in HSS2 detections ULR-Flags and support that request retries mark, and carried
Sponsor IMSI, and before user other MME registered (HSS is registered before recording user
MME addresses), then first initiated to old MME (i.e. registered MME) using Sponsor IMSI
CLR is asked.
Step 1009：Old MME delete the original carrying of user, and return to CLA message to HSS2.
Step 1010：HSS2 reuses own IMSI inquiry local data bases, and returning to ULA to HSS1 disappears
Breath.
Step 1011：HSS1 returns to ULA message to DRA.
Step 1012：DRA returns to ULA message to MME.
Step 1013：MME starts to be carried for user sets up, and completes user's access operation.
Each technical characteristic of embodiment described above can be combined arbitrarily, not right to make description succinct
The all possible combination of each technical characteristic in above-described embodiment is all described, as long as however, these skills
The combination of art feature does not exist contradiction, is all considered to be the scope of this specification record.
Embodiment described above only expresses several embodiments of the invention, and its description is more specific and detailed,
But can not therefore be construed as limiting the scope of the patent.It should be pointed out that for this area
For those of ordinary skill, without departing from the inventive concept of the premise, some deformations can also be made and changed
Enter, these belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be with appended power
Profit requires to be defined.
Claims (14)
1. the message route method in a kind of LTE network, it is characterised in that methods described includes：
The MME of roaming place LTE network sends access request to international roaming gateway DRA, and the access please
Middle carrying source user is asked to identify；
The international roaming gateway DRA according to the HSS of source user mark location the, to described first
Whether HSS sends request message, source user mark is carried in the request message, supports that request retries mark
Whether support that routing optimality is identified；
When first HSS after source user mark inquiry database according to having found that user does not exist, if institute
State and whether support that request is retried and be designated support request and retry, and described whether support that routing optimality is designated branch
Routing optimality is held, then a HSS returns to error code to international roaming gateway DRA, and carries support
Request retries mark and supports routing optimality mark；
The international roaming gateway DRA parses the error code, inquiry request is initiated to EMNP, according to institute
State source user mark and inquire corresponding targeted customer's mark and destination routing address, and used using the target
Family identifies and destination routing address initiates access request to the 2nd HSS again.
2. method according to claim 1, it is characterised in that if whether described support that request retries mark
Know to support that request is retried, and it is described whether support that routing optimality is designated and do not support routing optimality, then by institute
State a HSS and initiate inquiry request to EMNP, inquiring corresponding target according to source user mark uses
Family identifies and destination routing address, and is identified and destination routing address using the targeted customer, again to the
Two HSS initiate access request.
3. method according to claim 1, it is characterised in that if whether described support that request retries mark
Know not support that request is retried, then a HSS returns to error code and carries not to international roaming gateway DRA
Support that request retries mark；The international roaming gateway DRA transmitted response message refuses this to MME
Access.
4. method according to claim 1, it is characterised in that the request message please for subscription authentication
Ask or position updating request.
5. the message routing system in a kind of LTE network, it is characterised in that the system includes：
The MME of roaming place LTE network, it is described for sending access request to international roaming gateway DRA
Source user mark is carried in access request；
International roaming gateway DRA, for according to the HSS of source user mark location the, to described first
Whether HSS sends request message, source user mark is carried in the request message, supports that request retries mark
Whether support that routing optimality is identified；
First HSS, during for according to finding that user does not exist after source user mark inquiry database, if
It is described whether to support that request is retried and be designated support request and retry, and described whether support that routing optimality is designated
Routing optimality is supported, then returns to error code to international roaming gateway DRA, and carrying supports that request retries mark
With support routing optimality mark；
The international roaming gateway DRA is additionally operable to parse the error code, and inquiry request is initiated to EMNP,
Corresponding targeted customer's mark and destination routing address are inquired according to source user mark, and using described
Targeted customer identifies and destination routing address initiates access request to the 2nd HSS again.
6. system according to claim 5, it is characterised in that if a HSS be additionally operable to it is described
Whether whether support request is retried is designated support request and retries, and described support that routing optimality is designated and do not prop up
Routing optimality is held, then initiates inquiry request to EMNP, corresponding mesh is inquired according to source user mark
Mark ID and destination routing address, and identified and destination routing address using the targeted customer, again
Access request is initiated to the 2nd HSS.
7. system according to claim 5, it is characterised in that if a HSS be additionally operable to it is described
Whether support request retries to be designated do not support that request is retried, then return to error code to international roaming gateway DRA
And carrying does not support that request retries mark；The international roaming gateway DRA is additionally operable to transmitted response message extremely
MME, refuses this access.
8. system according to claim 5, it is characterised in that the request message please for subscription authentication
Ask or position updating request.
9. the message route method in a kind of LTE network, it is characterised in that methods described includes：
The access request that the MME of roaming place LTE network sends is received, carrying source in the access request uses
Family identifies；
According to the HSS of source user mark location the, request message is sent to a HSS, it is described
Source user mark is carried in request message, whether supports that whether request retries mark and supports that routing optimality is identified；
Receive the error code of HSS returns and parse the error code, if the error code carries support
Request retries mark and supports routing optimality mark, then initiate inquiry request to EMNP, is used according to the source
Family mark inquires corresponding targeted customer's mark and destination routing address, and is identified using the targeted customer
Access request is initiated with destination routing address to the 2nd HSS again.
10. method according to claim 9, it is characterised in that if the error code is carried not propping up
Hold request and retry mark, then transmitted response message refuses this access to MME.
11. methods according to claim 9, it is characterised in that the request message is subscription authentication
Request or position updating request.
12. a kind of gateways for realizing message route in the lte networks, it is characterised in that the gateway includes：
Message reception module, the access request that the MME for receiving roaming place LTE network sends is described
Source user mark is carried in access request；
Message transmission module, for according to the HSS of source user mark location the, to a HSS
Request message is sent, source user mark is carried in the request message, whether is supported that request retries mark and is
No support routing optimality mark；
Parsing module, for receiving the error code of HSS returns and parsing the error code；
Enquiry module, if carrying support request for the error code retries mark and support routing optimality mark
Will, then initiate inquiry request to EMNP, and corresponding targeted customer's mark is inquired according to source user mark
Know and destination routing address；
Again AM access module, for being identified with destination routing address again to second using the targeted customer
HSS initiates access request.
13. gateways according to claim 12, it is characterised in that the gateway also includes：
Respond module, mark is retried if being carried for the error code and do not support request, and transmitted response disappears
Breath refuses this access to MME.
14. gateways according to claim 12, it is characterised in that the request message is subscription authentication
Request or position updating request.
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| CN201510891363.3A CN106851763B (en) | 2015-12-07 | 2015-12-07 | Message routing method, system and gateway in LTE network |
| PCT/CN2016/103973 WO2017097060A1 (en) | 2015-12-07 | 2016-10-31 | Message routing method and system in lte network, and gateway |
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| CN201510891363.3A CN106851763B (en) | 2015-12-07 | 2015-12-07 | Message routing method, system and gateway in LTE network |
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| CN108055312A (en) * | 2017-12-07 | 2018-05-18 | 畅捷通信息技术股份有限公司 | Method for routing and its device and computer installation and its readable storage medium storing program for executing |
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| CN111405542B (en) * | 2019-01-02 | 2023-04-07 | 中国移动通信有限公司研究院 | Method and device for redirecting routing of application layer and computer readable storage medium |
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| CN101222439B (en) * | 2008-01-28 | 2010-11-10 | 华为技术有限公司 | User load distribution method, device and system of core network |
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| CN102395121A (en) * | 2011-10-27 | 2012-03-28 | 大唐移动通信设备有限公司 | Method, system and device for resending Update-Location-Request information |
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