CN103974237B - Motion management method and entity - Google Patents
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- CN103974237B CN103974237B CN201310046997.XA CN201310046997A CN103974237B CN 103974237 B CN103974237 B CN 103974237B CN 201310046997 A CN201310046997 A CN 201310046997A CN 103974237 B CN103974237 B CN 103974237B
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Abstract
This application provides motion management method and entity, it is applied in the LTE network that MME concentrates deployment.Method includes：The corresponding relation of the IP address of the dns server of UE positional informations and UE regions is configured on MME；MME receives the mobile management message that UE sends, and the message carries UE positional informations, and MME finds the IP address of the dns server of matching according to UE positional informations；MME constructs FQDN according to UE relevant informations, N record queries request messages are sent to the dns server of matching, the message carries FQDN, S GW or P the GW lists returned according to dns server and home town ruling, select S GW or P a GW, A record queries are initiated to dns server to ask, to obtain the IP address of selected S GW or P GW；MME initiates mobile management flow to selected S GW or P GW.The present invention realizes the moving property management in MME concentrates the LTE network of deployment.
Description
Technical field
The application is related to wireless technical field, more particularly to motion management method and entity.
Background technology
Third generation partner program（3GPP, Third Generation Partnership Project）Tissue in order to
Strengthen the competitiveness of future network, Long Term Evolution is started in the R8 stages（LTE, Long Term Evolution）With system
Architecture evolution（SAE, System Architecture Evolution）The standard formulation work of two big big events.In core
Net aspect, introduces brand-new pure packet domain core network architectural framework.
Fig. 1 is the system architecture schematic diagram of the SAE that 3GPP is introduced, as shown in figure 1, its main network elements is as follows：
User equipment（UE, User Equipment）；
The Universal Terrestrial wireless access network of evolution（E-UTRAN, Evolved Universal Terrestrial Radio
Access Network）：Access network, mainly realizes radio resource management function；
Mobility management entity（MME, Mobility Management Entity）：There is provided for LTE access networks
Major control, and it is responsible for the mobile management of core network, including paging, security control, the carrying of core net control and end
Hold the mobility control etc. in idle condition；
Gateway（S-GW, Serving-GateWay）：Transmission, forwarding and the route for being responsible for UE user plane datas are cut
Change, while also serving as evolution base station（eNodeB）Between transmission user-plane message mutually mobile anchor point, and as LTE
With the mobility anchor point of other 3GPP technologies；
Packet data gateway（P-GW, Packet Data Network Gateway）：It is towards Packet Data Network（PDN,
Packet Data Network）Gateway, it is main to be responsible for packet filtering function, Lawful intercept function, the Yin Te of UE based on user
FidonetFido（IP, Internet Protocol）Packet marking, charging, gate, the clothes of address allocation function, downstream transmission layer
Business quality（QoS, Quality of Service）Control, carrying control etc.；
Home subscriber server（HSS, Home Subscriber Server）：The CAMEL-Subscription-Information pipe of main responsible user
Reason；
Domain name system（DNS, Domain Name System）Server does not have in the standard network Organization Chart of 3GPP
Embody, be connected with MME in actual networking, mainly responsible LTE core network network element address parsing.
Fig. 2 is existing LTE network existing network deployment architecture schematic diagram, as shown in Fig. 2 in existing network deployment scheme, HSS collection
Middle deployment, unified storage the whole network user data.MME, S-GW, P-GW, dns server etc. are point province's deployment.It is deployed in inside the province
Dns server store this province P-GW, S-GW, MME IP address and the fully qualified domain name of correlation（FQDN, Fully
Qualified Domain Name）Mapping table, the FQDN that dns server is asked according to MME parses S-GW, P-GW, MME
Deng the IP address of network element
MME selection dns server mode be：Initially adhere in UE user, tracking area with the flow such as new in, MME needs
Select the P-GW and S-GW for user service.Specifically, when user initially adheres to, MME can select the sheet being joined directly together therewith
The dns server of province, then first according to user access point title（APN, Access Port Name）Tectonic style is such as<APN-NI
>.apn.epc.mnc<MNC>.mcc<MCC>.3gppnetwork.org FQDN, then initiates N to selected dns server
Record queries are asked, and dns server returns to P-GW lists, and MME is according to home town ruling and returns to the selected P-GW of parameter in list,
And the request of A record queries is further initiated to obtain the specific IP address of the P-GW.
At the beginning of MME selects mode and inquiry mode and the user of dns server in the flows such as tracing section updating, switching gravity treatment
The flow for beginning to adhere to is similar to, the FQDN forms slightly difference for simply constructing.
Wherein, set because dns server is classified, so provincial dns server can be delivered to the domain name that it cannot be parsed
Higher level's dns server, is parsed by higher level's dns server.
With the fast development of chip technology, also when the river rises the boat goes up for the disposal ability of equipment, and place capacity is substantially improved therewith,
Dividing the shortcoming for saving deployment will progressively highlight.
LTE/ evolution block core nets（EPC, Evolved Packet Core）There is network thoroughly control to carry separation
Framework, MME is signaling plane network element, insensitive to time delay.As MME capacity constantly expands, MME concentration deployment will be possibly realized.
MME concentration deployment can save website cost, unified to safeguard, be managed collectively.Great Qu grades of Executive Team is set up, to large-region centralization portion
The equipment of administration carries out unified management service, it is possible to achieve personnel simplify, and improves equipment construction, debugging, the efficiency of malfunction elimination,
Customer complaint is uniformly processed and distributes customer complaint process task.But because user is more sensitive to testing, to ensure Consumer's Experience,
Data surface network element S-GW and P-GW still need point province's deployment, and data delay is reduced in face of being so more close to the users.Now, user
Mobile management realized by the MME of national unified plan, but the data surface data of user still from local S-GW and
P-GW treatment, and internet is routed directly to by P-GW.
Due to existing network Generation Mobile Telecommunication System standard（2G）/ 3G (Third Generation) Moblie standard（3G）DNS service in network
Device supported LTE network mostly needed for N record queries modes, therefore MME is when concentrating deployment, is examined for existing investment is saved
Consider, dns server can keep existing network structure constant, i.e., still a point province disposes.
Fig. 3 is the network topology structure schematic diagram that existing MME concentrates deployment, as shown in figure 3, concentrating deployment in MME
Under the network architecture, MME service simultaneously it is multiple save, how to go to corresponding province to look for the S-GW and PGW of the province into a problem.MME
The dns server in the current residing province of user is only first found, then FQDN is constructed further according to APN information, correspondence province is gone to
The IP address of corresponding PGW is inquired about in dns server.How MME finds the dns server of correspondence province, at present temporarily without clearly
Solution, this is resulted in cannot realize mobile management in MME concentrates the LTE network of deployment.
The content of the invention
This application provides motion management method and MME, dns-proxy server, LTE system, disposed with being concentrated in MME
LTE network in realize mobile management.
A kind of motion management method, is applied to the Long Term Evolution LTE network that mobility management entity MME concentrates deployment
In, the method includes：
The Yin Te of user equipment (UE) positional information and the domain name system DNS server of the UE regions is configured on MME
The corresponding relation of fidonetFido IP address；
MME receives the mobile management message that UE sends, and the message carries UE positional informations, and MME is according to the UE positions
Information, in the UE positional informations of configuration and the corresponding relation of dns server IP address, finds the dns server of matching
IP address；
MME constructs fully qualified domain name FQDN according to UE relevant informations, and N record queries are sent to the dns server of matching
Request message, the message carries the FQDN, according to gateway S-GW or packet data gateway P-GW that dns server is returned
List and home town ruling, select a S-GW or P-GW, initiate A record queries to dns server and ask, to obtain selected S-
The IP address of GW or P-GW；MME initiates mobile management flow to selected S-GW or P-GW.
The UE positional informations are the evolution base station eNodeB marks or tracking area identification TAI of UE regions.
The mobile management message is to adhere to message, or tracing section updating message, or switching reselection message.
A kind of motion management method, is applied in the LTE network that MME concentrates deployment, is deployed with the LTE network
The IP address and geographical location information of the dns server in each region are configured with dns-proxy server, and dns-proxy server,
The IP address of dns-proxy server is configured with MME, the method includes：
MME receives the mobile management message that UE sends, and the message carries UE positional informations；MME is to dns-proxy server
DNS query request message is sent, UE positional informations are carried in message, while the UE relevant informations needed for carrying construction FQDN, with
Just dns-proxy server is according to the UE positional informations, IP address and geographical position in the dns server in each region of configuration
In information, the IP address of the dns server of matching, and UE of the dns-proxy server in DNS query request message are found
Relevant information constructs FQDN, and N record queries request messages are sent to the dns server of matching, and FQDN is carried in message；
MME receives S-GW the or P-GW lists that dns server is sent, S-GW the or P-GW lists are dns server root
Got according to the FQDN carried in the N record queries request message；
S-GW or P-GW lists and home town ruling that MME is returned according to dns server, select a S-GW or P-GW, to
Dns server initiates the request of A record queries, to obtain the IP address of selected S-GW or P-GW；MME is to selected S-GW or P-
GW initiates mobile management flow.
The UE positional informations are the evolution base station eNodeB marks or tracking area identification TAI of UE regions.
The mobile management message is to adhere to message, or tracing section updating message, or switching reselection message.
A kind of MME, in the LTE network for concentrating deployment positioned at MME, the MME includes：
Configuration module：Preserve the corresponding relation of the IP address of UE positional informations and the dns server of the UE regions；
Mobile management module：The mobile management message that UE sends is received, the message carries UE positional informations, according to institute
UE positional informations are stated, in the UE positional informations and the corresponding relation of dns server IP address that configuration module is preserved, is found
The IP address of the dns server matched somebody with somebody；FQDN is constructed according to UE relevant informations, sending N record queries to the dns server of matching please
Message is sought, the message carries the FQDN, S-GW or P-GW lists and home town ruling according to dns server return select one
Individual S-GW or P-GW, initiates A record queries and asks to dns server, to obtain the IP address of selected S-GW or P-GW；Xiang Xuan
Fixed S-GW or P-GW initiates mobile management flow.
The UE positional informations preserved in the configuration module are the eNodeB marks or TAI of UE regions；
The UE positional informations that the mobile management message that the mobile management module is received is carried are UE regions
ENodeB mark or TAI.
The mobile management message that the mobile management module is received disappears for attachment message, or tracing section updating
Breath, or switching reselection message.
A kind of MME, in the LTE network for concentrating deployment positioned at MME, dns-proxy server is deployed with the LTE network,
And the IP address and geographical location information of the dns server in each region are configured with dns-proxy server, the MME includes：
Configuration module：Preserve the IP address of dns-proxy server；
Mobile management module：The mobile management message sent of UE is received, the message carries UE positional informations, according to matching somebody with somebody
The IP address of the dns-proxy server of module preservation is put, DNS query request message is sent to dns-proxy server, taken in message
Band UE positional informations, while the UE relevant informations needed for carrying construction FQDN, so that dns-proxy server is according to the UE positions
Information, in the IP address and geographical location information of the dns server in each region of configuration, finds the dns server of matching
IP address, and dns-proxy server in DNS query request message UE relevant informations construction FQDN, to matching DNS
Server sends N record queries request messages, and FQDN is carried in message；S-GW the or P-GW lists that dns server is sent are received,
S-GW the or P-GW lists are that dns server gets according to the FQDN carried in the N record queries request message；Root
S-GW the or P-GW lists returned according to dns server and home town ruling, select a S-GW or P-GW, and A is initiated to dns server
Record queries are asked, to obtain the IP address of selected S-GW or P-GW；Mobile management is initiated to selected S-GW or P-GW
Flow.
The UE positional informations that the mobile management message that the mobile management module is received is carried are UE regions
ENodeB mark or TAI.
The mobile management message that the mobile management module is received disappears for attachment message, or tracing section updating
Breath, or switching reselection message.
A kind of dns-proxy server, the dns-proxy server is located in the LTE network that MME concentrates deployment, the DNS proxy
Server includes：
Configuration module：Preserve the IP address and geographical location information of the dns server in each region；
DNS query module：The DNS query request message that MME sends is received, UE positional informations is carried in message, while taking
With the UE relevant informations needed for construction FQDN, according to the UE positional informations, the DNS service in each region preserved in configuration module
In the IP address and geographical location information of device, the IP address of the dns server of matching is found, according to DNS query request message
In UE relevant informations construction FQDN, to matching dns server send N record queries request messages, FQDN is carried in message,
So that dns server gets corresponding S-GW or P-GW lists according to the FQDN, and S-GW the or P-GW lists are sent
To MME；Wherein, the DNS query request message is receiving the mobile management of the carrying UE positional informations that UE sends for MME
After message, sent to dns-proxy server.
A kind of LTE system of MME concentrations deployment, the system includes：
UE：Mobile management message is sent to network side, the message carries UE positional informations；
MME：Preserve the corresponding relation of the IP address of UE positional informations and the dns server of the UE regions；Work as reception
During the mobile management message sent to UE, the UE positional informations in the message, in UE positional informations and the DNS clothes for preserving
In the corresponding relation of device IP address of being engaged in, the IP address of the dns server of matching is found, FQDN is constructed according to UE relevant informations,
N record queries request messages are sent to the dns server of matching, the message carries the FQDN, is returned according to dns server
S-GW or P-GW lists and home town ruling, select a S-GW or P-GW, initiate A record queries to dns server and ask, to obtain
The S-GW or the IP address of P-GW that must be selected, the selected S-GW or the IP address of P-GW returned according to dns server, to selected
S-GW or P-GW initiate mobile management flow.
The UE positional informations are the eNodeB marks or TAI of UE regions.
The mobile management message is to adhere to message, or tracing section updating message, or switching reselection message.
A kind of LTE system of MME concentrations deployment, the system includes：
UE：Mobile management message is sent to network side, the message carries UE positional informations；
MME：The mobile management message that UE sends is received, the message carries UE positional informations, is sent out to dns-proxy server
DNS query request message is sent, UE positional informations are carried in message, while the UE relevant informations needed for carrying construction FQDN；Receive
S-GW the or P-GW lists that dns server is sent, according to S-GW the or P-GW lists and home town ruling, select a S-GW or P-
GW, initiates A record queries and asks to dns server, to obtain the IP address of selected S-GW or P-GW, according to dns server
The selected S-GW or the IP address of P-GW for returning, mobile management flow is initiated to selected S-GW or P-GW；
Dns-proxy server：Preserve the IP address and geographical location information of the dns server in each region；Receive the DNS
Inquiry request message, the UE positional informations in the message, in the IP address and geography of the dns server in each region for preserving
In positional information, the IP address of the dns server of matching is found, the UE relevant information structures in DNS query request message
FQDN is made, N record queries request messages are sent to the dns server of matching, FQDN is carried in message.
The UE positional informations are the eNodeB marks or TAI of UE regions.
The mobile management message is to adhere to message, or tracing section updating message, or switching reselection message.
As can be seen from the above technical solutions, the present invention realizes the mobility pipe of the LTE network that deployment is concentrated for MME
Reason.
Brief description of the drawings
Fig. 1 is the system architecture schematic diagram of the SAE that existing 3GPP is introduced；
Fig. 2 is existing LTE network existing network deployment architecture schematic diagram；
Fig. 3 is the network topology structure schematic diagram that existing MME concentrates deployment；
Fig. 4 is the method for moving property management in MME concentrates the LTE network of deployment that the embodiment of the present invention one is provided
Flow chart；
Fig. 5 is the method for moving property management in MME concentrates the LTE network of deployment that the embodiment of the present invention two is provided
Flow chart；
Fig. 6 is the exemplary plot of the LTE network that the MME that the embodiment of the present invention two is provided concentrates deployment；
Fig. 7 is the composition schematic diagram of the MME that the embodiment of the present invention one is provided；
Fig. 8 is the composition schematic diagram of the dns-proxy server that the embodiment of the present invention two is provided.
Specific embodiment
In order that the object, technical solutions and advantages of the present invention are clearer, below in conjunction with the accompanying drawings with specific embodiment pair
The present invention is described in detail.
Fig. 4 is the method for moving property management in MME concentrates the LTE network of deployment that the embodiment of the present invention one is provided
Flow chart, as shown in figure 4, it is comprised the following steps that：
Step 401：The IP address of UE positional informations and the dns server of the UE regions is configured on MME in advance
Corresponding relation.
UE positional informations are such as：The eNodeB marks of the UE regions, tracking area identification（TAI, Tracking Area
Identity）Deng.
In the present invention, the deployment way of dns server is same as the prior art, is distributed deployment, for example：Province can be divided
Deployment.
Step 402：When UE initiates mobile management flow, such as：The flows such as initial attachment, tracing section updating, switching gravity treatment
When, mobile management message issues the MME for concentrating deployment via S1 interfaces by the eNodeB of the UE regions, is taken in message
Band UE positional informations.
UE positional informations are such as：ENodeB marks, TAI of UE regions etc..
Step 403：UE positional informations of the MME in mobile management message, in the UE positional informations that are locally configured and
In the corresponding relation of dns server IP address, the dns server IP address of matching is found.
Step 404：, according to information structuring FQDN such as the APN of UE, sending N record queries to the dns server of matching please for MME
Seek message.
FQDN is carried in N record queries request messages.
Step 405：Dns server obtains corresponding S-GW/P- according to the FQDN carried in N record queries request messages
GW lists simultaneously return to MME.
Step 406：S-GW/P-GW lists and home town ruling that MME is returned according to dns server, select a S-GW/P-
GW, initiates A record queries and asks, to obtain the IP address of selected S-GW/P-GW to dns server again.
Step 407：MME initiates mobility pipe according to the IP address of selected S-GW/P-GW to selected S-GW/P-GW
Reason flow, such as：The flows such as attachment, tracing section updating, switching gravity treatment.
Subsequent movement management process is identical with the LTE network of existing MME distribution deployment.
Fig. 5 is the method for moving property management in MME concentrates the LTE network of deployment that the embodiment of the present invention two is provided
Flow chart, as shown in figure 5, it is comprised the following steps that：
Step 501：A newly-built dns-proxy server in the lte networks, and each area is configured in dns-proxy server
The IP address and geographical location information of the dns server in domain, configure the IP address of dns-proxy server on MME.
The geographical location information of dns server is such as：ENodeB marks, TAI of the dns server region etc..
Fig. 6 be the embodiment of the present invention two provide MME concentrate deployment LTE network exemplary plot, as shown in fig. 6, MME and
Dns-proxy server is all to concentrate deployment.
Step 502：UE initiates mobile management flow, such as：The flows such as initial attachment, tracing section updating, switching gravity treatment, disappear
Cease and the MME for concentrating deployment is issued by the eNodeB of the UE regions, UE positional informations are carried in message.
UE positional informations are such as：ENodeB marks, TAI of the UE regions etc..
Step 503：MME sends DNS according to the IP address of the dns-proxy server being locally configured to dns-proxy server
Inquiry request message, carries UE positional informations in message, while carrying the information such as the APN of UE needed for constructing FQDN.
Step 504：UE positional information of the dns-proxy server in DNS query request message, it is each what is be locally configured
Find the IP address of the dns server of matching in the IP address and geographical location information of the dns server in region, and according to
The information structuring FQDN such as APN of the UE in DNS query request message, sends the request of N record queries and disappears to the dns server of matching
Breath, carries FQDN in message.
Step 505：Dns server obtains corresponding S-GW/P- according to the FQDN carried in N record queries request messages
GW lists simultaneously return to MME.
Step 506：S-GW/P-GW lists and home town ruling that MME is returned according to dns server, select a S-GW/P-
GW, initiates A record queries and asks, to obtain the IP address of selected S-GW/P-GW to dns server.
Step 507：MME initiates mobility pipe according to the IP address of selected S-GW/P-GW to selected S-GW/P-GW
Reason flow, such as：The flows such as attachment, tracing section updating, switching gravity treatment.
Subsequent movement management process is identical with the LTE network of existing MME distribution deployment.
Fig. 7 is the composition schematic diagram of the MME that the embodiment of the present invention one is provided, and the MME is concentration deployment in LTE network
MME, as shown in fig. 7, the MME includes：Configuration module 71 and mobile management module 72, wherein：
Configuration module 71：Preserve the corresponding relation of the IP address of UE positional informations and the dns server of the UE regions.
Mobile management module 72：The mobile management message that UE sends is received, the message carries UE positional informations, according to
The UE positional informations, in the UE positional informations and the corresponding relation of dns server IP address that configuration module 71 is preserved, find
The IP address of the dns server of matching；The information structuring FQDN such as APN according to UE, sends N and records to the dns server of matching
Inquiry request message, the message carries the FQDN, S-GW or P-GW lists and home town ruling according to dns server return, choosing
A fixed S-GW or P-GW, initiates A record queries and asks to dns server, to obtain the IP address of selected S-GW or P-GW；
Mobile management flow is initiated to selected S-GW or P-GW.
Wherein, UE positional informations are such as：The eNodeB marks of UE regions, or TAI etc..
Mobile management message is such as：Attachment message, or tracing section updating message, or switching reselection message etc..
The composition schematic diagram of the MME that the embodiment of the present invention given below two is provided, the MME is concentration deployment in LTE network
MME, and dns-proxy server is deployed with LTE network, the dns server in each region is configured with the dns-proxy server
IP address and geographical location information, the MME includes：Configuration module and mobile management module, wherein：
Configuration module：Preserve the IP address of dns-proxy server.
Mobile management module：The mobile management message sent of UE is received, the message carries UE positional informations, according to matching somebody with somebody
The IP address of the dns-proxy server of module preservation is put, DNS query request message is sent to dns-proxy server, taken in message
Band UE positional informations, while the information such as the APN of UE needed for constructing FQDN are carried, so that dns-proxy server is according to UE positions
Information, in the IP address and geographical location information of the dns server in each region of configuration, finds the dns server of matching
IP address, and the information structuring FQDN such as the APN of UE of the dns-proxy server in DNS query request message, to matching
Dns server sends N record queries request messages, and FQDN is carried in message；Receive S-GW or P-GW row that dns server is sent
Table, S-GW the or P-GW lists are that dns server gets according to the FQDN carried in the N record queries request messages for receiving
's；S-GW the or P-GW lists returned according to dns server and home town ruling, select a S-GW or P-GW, to dns server
The request of A record queries is initiated, to obtain the IP address of selected S-GW or P-GW；Mobility is initiated to selected S-GW or P-GW
Management process.
Wherein, UE positional informations are such as：The eNodeB marks of UE regions, or TAI etc.；The geographical position of dns server
Confidence ceases such as：The eNodeB marks of dns server region, or TAI etc..
Mobile management message is such as：Attachment message, or tracing section updating message, or switching reselection message etc..
Fig. 8 is the composition schematic diagram of the dns-proxy server that the embodiment of the present invention two is provided, dns-proxy server position
In the LTE network that MME concentrates deployment, as shown in figure 8, the dns-proxy server includes：Configuration module 81 and DNS query mould
Block 82, wherein：
Configuration module 81：Preserve the IP address and geographical location information of the dns server in each region.
DNS query module 82：The DNS query request message that MME sends is received, UE positional informations are carried in message, while
The information such as the APN of UE needed for carrying construction FQDN, according to UE positional informations, the DNS in each region preserved in configuration module 81
In the IP address and geographical location information of server, the IP address of the dns server of matching is found, asked according to DNS query
The information structuring FQDN such as APN of the UE in message, N record queries request messages are sent to the dns server of matching, are taken in message
Band FQDN, so that dns server gets corresponding S-GW or P-GW lists according to the FQDN, and by S-GW the or P-GW lists
It is sent to MME；Wherein, DNS query request message is receiving the mobile management of the carrying UE positional informations that UE sends for MME
After message, sent to dns-proxy server.
The embodiment of the present invention also provides the LTE system that a kind of MME concentrates deployment, and the system at least includes the embodiment of the present invention
One UE and MME for providing, or, UE, the MME and dns-proxy server at least being provided including the embodiment of the present invention two.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, it is all in essence of the invention
Within god and principle, any modification, equivalent substitution and improvements done etc. should be included within the scope of protection of the invention.
Claims (19)
1. a kind of motion management method, is applied in the Long Term Evolution LTE network that mobility management entity MME concentrates deployment,
Characterized in that, the method includes：
The internet protocol of user equipment (UE) positional information and the domain name system DNS server of the UE regions is configured on MME
Discuss the corresponding relation of IP address；
MME receives the mobile management message sent of UE, and the message carries UE positional informations, MME according to the UE positional informations,
In the UE positional informations of configuration and the corresponding relation of dns server IP address, the IP ground of the dns server of matching is found
Location；
MME constructs fully qualified domain name FQDN according to UE relevant informations, and sending N record queries to the dns server of matching asks
Message, the message carries the FQDN, gateway S-GW or packet data gateway P-GW lists according to dns server return
And home town ruling, select a S-GW or P-GW, initiate A record queries to dns server and ask, with obtain selected S-GW or
The IP address of P-GW；MME initiates mobile management flow to selected S-GW or P-GW, and the UE relevant informations include：UE's
APN APN.
2. method according to claim 1, it is characterised in that the UE positional informations are the evolution base station of UE regions
ENodeB is identified or tracking area identification TAI.
3. method according to claim 1, it is characterised in that the mobile management message is attachment message, or with
Track area new information, or switching reselection message.
4. a kind of motion management method, is applied in the LTE network that MME concentrates deployment, it is characterised in that the LTE network
In be deployed with dns-proxy server, and dns-proxy server the IP address and geography of the dns server for being configured with each region
Positional information, is configured with the IP address of dns-proxy server on MME, the method includes：
MME receives the mobile management message that UE sends, and the message carries UE positional informations；MME sends to dns-proxy server
DNS query request message, carries UE positional informations in message, while the UE relevant informations needed for carrying construction FQDN, so as to DNS
Proxy server according to the UE positional informations, in the IP address and geographical location information of the dns server in each region of configuration
In, the IP address of the dns server of matching is found, and UE of the dns-proxy server in DNS query request message is related
Information structuring FQDN, N record queries request messages are sent to the dns server of matching, and FQDN is carried in message, and the UE is related
Information includes：The APN APN of UE；
MME receives S-GW the or P-GW lists that dns server is sent, S-GW the or P-GW lists are dns server according to institute
State what the FQDN carried in N record queries request messages got；
S-GW or P-GW lists and home town ruling that MME is returned according to dns server, select a S-GW or P-GW, are taken to DNS
Business device initiates the request of A record queries, to obtain the IP address of selected S-GW or P-GW；MME sends out to selected S-GW or P-GW
Play mobile management flow.
5. method according to claim 4, it is characterised in that the UE positional informations are the evolution base station of UE regions
ENodeB is identified or tracking area identification TAI.
6. method according to claim 4, it is characterised in that the mobile management message is attachment message, or with
Track area new information, or switching reselection message.
7. a kind of MME, in the LTE network for concentrating deployment positioned at MME, it is characterised in that the MME includes：
Configuration module：Preserve the corresponding relation of the IP address of UE positional informations and the dns server of the UE regions；
Mobile management module：The mobile management message that UE sends is received, the message carries UE positional informations, according to the UE
Positional information, in the UE positional informations and the corresponding relation of dns server IP address that configuration module is preserved, finds matching
The IP address of dns server；FQDN is constructed according to UE relevant informations, sending the request of N record queries to the dns server of matching disappears
Breath, the message carries the FQDN, S-GW or P-GW lists and home town ruling according to dns server return, selectes a S-
GW or P-GW, initiates A record queries and asks to dns server, to obtain the IP address of selected S-GW or P-GW；To selected
S-GW or P-GW initiates mobile management flow, and the UE relevant informations include：The APN APN of UE.
8. MME according to claim 7, it is characterised in that the UE positional informations preserved in the configuration module are UE institutes
In the eNodeB marks or TAI in region；
The UE positional informations that the mobile management message that the mobile management module is received is carried are UE regions
ENodeB is identified or TAI.
9. MME according to claim 7, it is characterised in that the mobile management that the mobile management module is received
Message is to adhere to message, or tracing section updating message, or switching reselection message.
10. a kind of MME, in the LTE network for concentrating deployment positioned at MME, it is characterised in that DNS generations are deployed with the LTE network
The IP address and geographical location information of the dns server in each region, the MME are configured with reason server, and dns-proxy server
Including：
Configuration module：Preserve the IP address of dns-proxy server；
Mobile management module：The mobile management message that UE sends is received, the message carries UE positional informations, according to configuration mould
The IP address of the dns-proxy server that block is preserved, DNS query request message is sent to dns-proxy server, and UE is carried in message
Positional information, while the UE relevant informations needed for carrying construction FQDN, so that dns-proxy server is believed according to the UE positions
Breath, in the IP address and geographical location information of the dns server in each region of configuration, finds the dns server of matching
IP address, and UE relevant information construction FQDN of the dns-proxy server in DNS query request message, take to the DNS of matching
Business device sends N record queries request messages, and FQDN is carried in message；Receive S-GW the or P-GW lists that dns server is sent, institute
It is that dns server gets according to the FQDN carried in the N record queries request message to state S-GW or P-GW lists；According to
S-GW or P-GW lists and home town ruling that dns server is returned, select a S-GW or P-GW, initiate A to dns server and remember
Record inquiry request, to obtain the IP address of selected S-GW or P-GW；Mobile management stream is initiated to selected S-GW or P-GW
Journey, the UE relevant informations include：The APN APN of UE.
11. MME according to claim 10, it is characterised in that the mobility pipe that the mobile management module is received
The UE positional informations that reason message is carried are the eNodeB marks or TAI of UE regions.
12. MME according to claim 10, it is characterised in that the mobility pipe that the mobile management module is received
Reason message is to adhere to message, or tracing section updating message, or switching reselection message.
13. a kind of dns-proxy servers, it is characterised in that the dns-proxy server is located at the LTE network that MME concentrates deployment
In, the dns-proxy server includes：
Configuration module：Preserve the IP address and geographical location information of the dns server in each region；
DNS query module：The DNS query request message that MME sends is received, UE positional informations are carried in message, while carrying structure
UE relevant informations needed for making FQDN, according to the UE positional informations, the dns server in each region preserved in configuration module
In IP address and geographical location information, the IP address of the dns server of matching is found, according in DNS query request message
UE relevant informations construct FQDN, and N record queries request messages are sent to the dns server of matching, and FQDN is carried in message, so as to
Dns server gets corresponding S-GW or P-GW lists according to the FQDN, and S-GW the or P-GW lists are sent to
MME；Wherein, the DNS query request message disappears for MME in the mobile management for receiving the carrying UE positional informations that UE sends
After breath, sent to dns-proxy server, the UE relevant informations include：The APN APN of UE.
A kind of 14. MME concentrate the LTE system of deployment, it is characterised in that the system includes：
UE：Mobile management message is sent to network side, the message carries UE positional informations；
MME：Preserve the corresponding relation of the IP address of UE positional informations and the dns server of the UE regions；When receiving UE
During the mobile management message sent, the UE positional informations in the message, in the UE positional informations and dns server that preserve
In the corresponding relation of IP address, find the IP address of the dns server of matching, according to UE relevant informations construct FQDN, to
The dns server matched somebody with somebody sends N record queries request messages, and the message carries the FQDN, according to the S-GW that dns server is returned
Or P-GW lists and home town ruling, a S-GW or P-GW is selected, initiate A record queries to dns server and ask, to be selected
Fixed S-GW or the IP address of P-GW, the selected S-GW or the IP address of P-GW returned according to dns server, to selected S-
GW or P-GW initiates mobile management flow, and the UE relevant informations include：The APN APN of UE.
15. LTE systems according to claim 14, it is characterised in that the UE positional informations are UE regions
ENodeB is identified or TAI.
16. LTE systems according to claim 14, it is characterised in that the mobile management message is attachment message, or
Person's tracing section updating message, or switching reselection message.
A kind of 17. MME concentrate the LTE system of deployment, it is characterised in that the system includes：
UE：Mobile management message is sent to network side, the message carries UE positional informations；
MME：The mobile management message that UE sends is received, the message carries UE positional informations, is sent to dns-proxy server
DNS query request message, carries UE positional informations in message, while the UE relevant informations needed for carrying construction FQDN；Receive DNS
S-GW the or P-GW lists that server is sent, according to S-GW the or P-GW lists and home town ruling, select a S-GW or P-GW,
A record queries are initiated to dns server to ask, to obtain the IP address of selected S-GW or P-GW, returned according to dns server
Selected S-GW or P-GW IP address, initiate mobile management flow, the related letters of the UE to selected S-GW or P-GW
Breath includes：The APN APN of UE；
Dns-proxy server：Preserve the IP address and geographical location information of the dns server in each region；Receive the DNS query
Request message, the UE positional informations in the message, IP address and geographical position in the dns server in each region for preserving
In information, the IP address of the dns server of matching is found, the UE relevant informations construction in DNS query request message
FQDN, N record queries request messages are sent to the dns server of matching, and FQDN is carried in message.
18. LTE systems according to claim 17, it is characterised in that the UE positional informations are UE regions
ENodeB is identified or TAI.
19. LTE systems according to claim 17, it is characterised in that the mobile management message is attachment message, or
Person's tracing section updating message, or switching reselection message.
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| CN105992193B (en) * | 2015-01-30 | 2019-10-11 | 中国移动通信集团四川有限公司 | A kind of selection method and device of SGW equipment |
| WO2017084010A1 (en) * | 2015-11-16 | 2017-05-26 | 华为技术有限公司 | Location information allocation method, apparatus and device |
| CN106850866B (en) * | 2015-12-04 | 2020-03-31 | 中国移动通信集团江苏有限公司 | Method and system for determining DNS data |
| CN109076381B (en) | 2016-05-13 | 2021-02-23 | 华为技术有限公司 | Service data stream sending method and device |
| CN106453687B (en) * | 2016-11-21 | 2019-08-16 | 中国联合网络通信集团有限公司 | A kind of IP acquisition methods, MME network element and the dns server of target device |
| CN106993067B (en) | 2017-03-16 | 2020-07-21 | 华为技术有限公司 | Route issuing method and equipment |
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| CN102480714B (en) * | 2010-11-25 | 2014-12-31 | 中兴通讯股份有限公司 | Method for inquiring gateway and system thereof |
| JP5673817B2 (en) * | 2011-06-14 | 2015-02-18 | 日本電気株式会社 | Mobile communication system, control method thereof, and control program |
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