CN108271149A - A kind of method, apparatus and system of user data moving anchor point - Google Patents
A kind of method, apparatus and system of user data moving anchor point Download PDFInfo
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- CN108271149A CN108271149A CN201611256581.0A CN201611256581A CN108271149A CN 108271149 A CN108271149 A CN 108271149A CN 201611256581 A CN201611256581 A CN 201611256581A CN 108271149 A CN108271149 A CN 108271149A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/18—Processing of user or subscriber data, e.g. subscribed services, user preferences or user profiles; Transfer of user or subscriber data
- H04W8/20—Transfer of user or subscriber data
Abstract
The present invention provides a kind of method and apparatus and system of user data moving anchor point, mainly include：The host apparatus that the first data surface gateway is IP groups is configured in control plane gateway, and the second data surface gateway of configuration is the stand-by equipment of IP groups；IP address is distributed for user equipment from the IP groups, and establishes user's context；After migration, control plane gateway sends user context information to the second data surface gateway.The present invention increases system flexibility, saves storage resource by the moving anchor point that granularity is IP groups.
Description
Technical field
The present invention relates to the communications field more particularly to a kind of method, apparatus and system of user data moving anchor point.
Background technology
As wireless communication technique further develops from 4G to 5G, to improve the flexibility of network, by Service Gateway and PDN
Gateway has carried out further control plane and user plane (Control plane and User plane, CU) separation, after separation
The control plane gateway device CGW (Control GateWay) and data veil for forming gateway close equipment DGW (Data
GateWay), CGW can control DGW to act the processing of data message.When user accesses PDN networks, uplink and downlink user
Data packet completes the forwarding of data by base station and DGW, DGW according to the context having built up.DGW is the anchor of user data
Point.
For the reliability of promotion user accesses data net, the backup of DGW is generally carried out, it typically will be currently used
DGW, i.e., the contextual information of current primary DGW is backuped in another spare DGW, spare when primary DGW breaks down
DGW enables to take over the DGW processing business data to break down.
Under this backup mode, spare DGW occupies the storage resource identical with primary DWG to preserve the upper and lower of user
Text, the efficiency of system are very low.
Invention content
The defects of to overcome the prior art, an embodiment of the present invention provides a kind of method of user data moving anchor point, sets
Standby and system to save storage resource, improves system flexibility.
In a first aspect, an embodiment of the present invention provides a kind of method of user data moving anchor point, including：Control plane gateway
The host apparatus that the first data surface gateway is IP groups is configured, the second data surface gateway of configuration is the stand-by equipment of IP groups；On user
After line, IP address is distributed for user equipment from IP groups, and establish user's context；After active-standby switch moving anchor point, to
Two data surface gateways send user context information, and use can be handled after receiving user context information for the second data surface gateway
User data packet.
In the above method, switched by data surface gateway standby usage of the granularity for IP groups, save storage resource, improve
The service efficiency of system and flexibility.
In a possible design, above-mentioned IP groups include interface IP address, and interface IP address includes following one or more：
S1U interface IP addresses, S5 interface IP addresses, S8 interface IP addresses, S4 interface IP addresses and S12 interface IP addresses etc..Further, IP groups are wrapped
Include the IP address or IP address section for distributing to user equipment.By the way that interface IP address and UE addresses is respectively configured, further increase
System flexibility is added.
In another possible design, control plane gateway by the first data surface gateway with being configured to the IP included in IP groups
The high priority routing of location；The low priority that second data surface gateway is configured to the IP address included in IP groups is route.Pass through
The routing configuration of high low priority, further increases system flexibility.
In another possible design, control plane gateway indicates that the first data surface gateway is IP to the first data surface gateway
The host apparatus of group, the first data surface gateway issue the high priority routing that itself is the IP address included in IP groups；Control plane
Gateway indicates the stand-by equipment that the second data surface gateway is IP groups to the second data surface gateway, and the second data surface gateway issues itself
For the low priority of the IP address routing included in IP groups.Or control plane gateway directly issues high priority routing and low preferential
Grade routing.By different configuration modes, system flexibility is further increased.
In another possible design, it is by the second data surface to send user context information to the second data surface gateway
Gateway receives what is triggered after user equipment upstream data packet or downlink data packet.These user's contexts disposably need not all be sent out
To the second data surface gateway, system performance is improved, further increases system flexibility.
Second aspect, an embodiment of the present invention provides a kind of control plane gateways, have in the realization above method and control veil
The function of pass behavior.The function by hardware can also be performed corresponding software and be realized by hardware realization.It is described hard
Part or software include the one or more and corresponding unit of above-mentioned function, such as dispensing unit, context unit, transmitting element.
In a possible design, the structure of control plane gateway includes processor and memory, and the memory is used
Control plane gateway is supported to perform the application code of the above method in storage, the processor is configurable for described in execution
The program stored in memory.The control plane gateway can also include communication interface, for control plane gateway and other equipment
Communication.
The third aspect, an embodiment of the present invention provides a kind of computer storage media, for saving as above-mentioned control veil
Computer software instructions used are closed, it includes veil closes designed program in order to control for performing above-mentioned aspect.
Fourth aspect, an embodiment of the present invention provides a kind of system of user data moving anchor point, including control plane gateway,
First data surface gateway, the second data surface gateway, each have the function of to realize respectively behavior in the above method.
Above-mentioned technical proposal provided in an embodiment of the present invention is switched by data surface gateway standby usage of the granularity for IP groups, section
Storage resource has been saved, has greatly improved service efficiency and the flexibility of system.
Description of the drawings
Fig. 1 is a kind of system architecture diagram for realizing user data moving anchor point provided in an embodiment of the present invention；
Fig. 2 is a kind of another system Organization Chart for realizing user data moving anchor point provided in an embodiment of the present invention；
Fig. 3 is a kind of method flow schematic diagram for realizing user data moving anchor point provided in an embodiment of the present invention；
Fig. 4 is a kind of control plane device structure schematic diagram provided in an embodiment of the present invention；
Fig. 5 is a kind of another structure diagram of control plane equipment provided in an embodiment of the present invention.
Specific embodiment
As shown in Figure 1, the embodiment of the present invention provides the communication system of a realization user data moving anchor point, wherein including
Control plane gateway (CGW) 101, data surface gateway (DGW) 102, mobile management entity (Mobility Management
Entity, MME) 103, base station (evolved NodeB, eNB) 104, router (Router) 105.
Base station 104 provides wireless access for user equipment (User Equipment, UE).Mobile management entity 103 is used for
The access control of UE, mobile management etc..Data surface gateway 102 is for UE by base station to the data of external network Internet
Connection.Control plane gateway 101 is used to that data surface gateway to be controlled to act the processing of data message.Router 105 connects for physics
Above equipment is connect, and is connected with external network Internet.Typically router net during router actual deployment in figure
Network connects above-mentioned each equipment of mobile core network.
Dotted line in Fig. 1 represents the signaling connection relationship of each equipment room.And between data surface gateway 102 and base station 104, with
And the four-headed arrow between Internet represents the logical links relationship of UE transceiving datas.Fig. 1 includes two data veils
It closes, one is used for the primary of IP groups, and one for the spare of IP groups.Data surface gateway and control plane gateway can be Service Gateways
The network element after network element or PDN Gateway CU separation after CU separation, after can also be that Service Gateway is set with PDN Gateway conjunction
The network element of CU separation.
IP groups include the interface IP address used during processes user data package, and interface IP address includes following one or more：S1U
Interface IP address, S5 interface IP addresses, S8 interface IP addresses, S4 interface IP addresses and S12 interface IP addresses.IP groups further include one group of user
IP address or address field, for distribute to user equipment access wireless network.When IP groups standby usage switches, i.e. data anchor point
During migration, the routing of interface IP address and station address in IP groups is all switched to data surface gateway 2 from data surface gateway 1.
In the embodiment of the present invention, a CGW may control multiple DGW, and multiple IP groups can be configured on each DGW.Such as
A possible CGW controls tens DGW, each DGW to have hundreds of groups during actual deployment, and each group may have thousands of a users,
In this way, a CGW service may service million users.These DGW can be with the backup of IP groups each other.For example, IP groups 1 are with DGW1
To be primary, DGW2 is spare；And IP groups 2 are using DGW2 to be primary, DGW1 is spare.Multiple IP groups on one DGW can be by not
Same other DGW backups.Such as.Have that IP groups 1,2,3 are primary on DGW1, and their spare DGW be respectively DGW2, DGW3,
DGW4.It in short, can be with the primary and backup data surface gateway of flexible configuration difference IP groups.And the granularity of data anchor point migration is IP
Group.CGW can be distributed different IP groups by load sharing algorithm on different DGW.The selection of the standby usage DGW of IP groups can be by
Operator considers according to combined factors such as position, capacity.
As shown in Fig. 2, being deployed with SDN (software defined network, Software-Defined Networking) controller
In the network of interchanger, SDN controllers and interchanger are functionally similar to above-mentioned router, and CGW is by the routing iinformation of IP groups
SDN controllers are handed down to, then flow table item is converted to by controller, interchanger is handed down to using open flow agreement Openflow.
Further, SDN controllers can also be built in CGW or SDN switch is built in DGW.Herein no longer
It repeats.The specific method flow of following data moving anchor point is by taking the system of Fig. 1 as an example.
As shown in figure 3, it is the method for user data moving anchor point provided in an embodiment of the present invention, applied to as shown in Figure 1
In system.In this method, CGW be respectively configured DGW1, DGW2 be IP groups primary and backup equipment, when detect host apparatus mistake
After effect, business is moved to by host apparatus on stand-by equipment.Specifically include the following steps：
301, DGW1 send configuration request message to CGW.This can send after DGW1 electrifying startups, can also be according to being
Configuration order of uniting is sent.
302, CGW distribution IP groups, and the IP group informations of distribution are carried, DGW1 is returned in configuration response message, and
Standby usage instruction information is carried in configuration response message, instruction DGW1 is the primary DGW of the IP groups.The IP groups include this IP
The interface IP address of group, such as S1U addresses, S5/S8 addresses, the interfaces such as S4 addresses, S12 addresses.The IP groups may also include follow-up incite somebody to action
Distribute to the IP address or address field of user equipment.
303, DGW1, according to configuration response message, are configured interface IP address, and indicate information according to standby usage, are sent out to router
The high priority routing of IP groups described in cloth.Border Gateway Protocol (Border Gateway may be used in publication routing
Protocol, BGP), open type shortest path priority protocol (Open Shortest Path First, OSPF) etc..DGW1 to
The routing instruction DGW1 of router publication is the high priority routing of the IP address included in the IP groups.For example, the following table 1 is publication
Two routings into router.
Table 1
304, DGW2 send configuration request message to CGW.Equally, this can send after DGW2 electrifying startups, can also
It is sent according to system configuration command.
Allocated IP group informations carrying in step 302 is returned to DGW2 by 305, CGW in configuration response message, and
Standby usage instruction information is carried in configuration response message, instruction DGW2 is the spare DGW of the IP groups.
306, DGW2, according to configuration response message, are configured interface IP address, and indicate information according to standby usage, are sent out to router
The low priority routing of IP groups described in cloth.Bgp protocol, ospf protocol etc. equally may be used in DGW2 publication routings.DGW2 is to road
It is route by the low priority that the routing instruction DGW2 of device publication is the IP address included in the IP groups.For example, the following table 2 is is published to
Two routings in router.
Table 2
In this way, the high priority of above-mentioned IP groups and low priority routing are contained in router.Router receives data packet
Afterwards, the high routing forwarding data packet of preferred priority, if priority it is high routing it is unreachable, the routing for selecting priority low turn
Send out data packet.After above-mentioned publication routing, DGW1 is then the host apparatus of IP groups, and associate uplink and downlink data packet can be forwarded preferentially
To DGW1 processing.
307, after user equipment (UE) is reached the standard grade, into line activating.CGW sends session generation request to DGW1.
308, DGW1 distribute the IP address of UE from the IP address or address field of IP groups, and establish user's context.
Subsequent DGW1 returns to session generation response to CGW, wherein containing user context information.
The user's context of DGW can include interface IP address (S1U/S5/S8 addresses), Tunnel Identifier (Tunnel
Endpoint Identifier, TEID), UE IP address, access point name (Access Point Name, APN), Service Quality
Measure (Quality of Service, QoS), charging property etc..The context of CGW can also wrap in addition to the relevant information including DGW
It includes：UE is identified, No. MSISDN (Mobile Subscriber Integrated Services Digital Network),
IMSI number (International Mobile Subscriber Identity), IP groups of UE IP address ownership etc..
309, after session generation, DGW1 can provide the transmission of upstream and downstream data packet for user equipment (UE).
310：Router carries out route handoff when DGW1 is unreachable, such as DGW1 breaks down, and router is caused to be received not
To the heartbeat message of DGW1.Or the physical connection open circuit between DGW1 and router, router is caused to can't detect connection
The signal of the physical circuit of DGW1.Router all thinks that DGW1 is unreachable, and the routing that router enables low priority carries out data
Forwarding.Router can also switch the routing for enabling low priority when receiving switching command.Originally issue DGW1 uplink, under
Row data packet will be forwarded to DGW2.
311：DGW2 receives the upstream or downstream data packet of user in IP groups, but not for handling the data packet in DGW2
User's context, DGW2 to CGW send error indication message, wherein carry in the data packet obtain user's context key
Information (Tunnel Identifier in such as upstream data packet or the destination address in downlink data packet).
312：Key messages of the CGW in error indication message finds corresponding UE marks, UE is identified corresponding
User context information including interface IP address, TEID, UE IP address, APN etc., is sent to DGW2, and DGW2 is received above and below user
Literary information completes the forward process of data packet.CGW also can be simultaneously by the corresponding all use created of IP groups where UE marks
Family context is all sent to DGW2, you can all user's contexts corresponding to IP groups restore, and follow-up DGW2 can directly locate
Manage the forward process of the uplink and downlink data packet of associated user.
In the embodiment of the present invention, CGW directly can also issue above-mentioned high priority routing and low priority road to router
By.That is CGW can be directly to the routing iinformation of router publication Tables 1 and 2.In this way, DGW1 and DGW2 need not just issue routing.
CGW can not also notify the standby usage described in DGW1 and DGW2 steps 302 and 305 to indicate information.
In the embodiment of the present invention, a CGW may control multiple DGW, and multiple IP groups can be configured on each DGW.These
DGW can be with the backup of IP groups each other.For example, IP groups 1, using DGW1 to be primary, DGW2 is spare；And IP groups 2 are using DGW2 to be primary,
DGW1 is spare.Multiple IP groups on one DGW can be backed up by other different DGW.For example, there are IP groups 1, IP groups on DGW1
2nd, IP groups 3, DGW1 is the host apparatus of this 3 races, and their stand-by equipment is respectively DGW2, DGW3, DGW4.It in short, can
With the primary and backup data surface gateway of flexible configuration difference IP groups.And the granularity of data anchor point migration is IP groups.CGW can be by
Load sharing algorithm distributes different IP groups on different DGW.The selection of the standby usage DGW of IP groups can be by operator according to position
It puts, the combined factors such as capacity consider.
There is multigroup IP on one DGW gateway, the interface IP address of multiple IP groups will be configured.For example, IP groups 1, IP groups 2 will
DGW1 is as host apparatus, and IP groups 3 are using DGW1 as stand-by equipment, the interface of these three IP groups will be configured on this DGW1
Location respectively includes S1U addresses, S5/S8 addresses, the interface IP addresses such as S4 addresses, S12 addresses per group interface address.
Above-mentioned technical proposal provided in an embodiment of the present invention is switched by data surface gateway standby usage of the granularity for IP groups, section
Storage resource has been saved, has greatly improved service efficiency and the flexibility of system.
The embodiment of the present invention additionally provides a kind of structure diagram of control plane gateway, as shown in figure 4, including：Configuration
Unit 401, context unit 402, transmitting element 403.Wherein：
The second data surface gateway is configured for the host apparatus that the first data surface gateway is IP groups to be configured in the dispensing unit
Stand-by equipment for the IP groups；
The context unit is used to distribute IP address for user equipment, and establish user's context from the IP groups；
The transmitting element is used to send user context information, the user's context to the second data surface gateway
Information post-processes user data package for the second data surface gateway in moving anchor point.
Further, these units realize the correlation function in the above method, repeat no more.
In the present embodiment, control plane equipment is presented in the form of functional unit.Here " unit " can refer to spy
Determine application integrated circuit (application-specific integrated circuit, ASIC), circuit, perform one or
The processor and memory of multiple softwares or firmware program, integrated logic circuit and/or other the device of above-mentioned function can be provided
Part.In a simple embodiment, those skilled in the art is contemplated that processor, storage may be used in control plane equipment
Device and communication interface are realized.
Control plane equipment in the embodiment of the present invention can also be come real in a manner of the computer equipment (or system) in Fig. 5
It is existing.Fig. 5 show computer equipment schematic diagram provided in an embodiment of the present invention.The computer equipment includes at least one processor
501, communication bus 502, memory 503 and at least one communication interface 504 can also include I/O interface 505.
Processor 501 can be a general central processor (CPU), microprocessor, application-specific integrated circuit
(application-specific integrated circuit, ASIC) or one or more are used to control the present invention program
The integrated circuit that program performs.
Communication bus 502 may include an access, and information is transmitted between said modules.The communication interface 504, using appoint
The device of what transceiver one kind, for other equipment or communication, such as Ethernet, wireless access network (RAN), wirelessly
LAN (Wireless Local Area Networks, WLAN) etc..
Memory 503 can be read-only memory (read-only memory, ROM) or can store static information and instruction
Other kinds of static storage device, random access memory (random access memory, RAM) or letter can be stored
Breath and the other kinds of dynamic memory or Electrically Erasable Programmable Read-Only Memory (Electrically of instruction
Erasable Programmable Read-Only Memory, EEPROM), CD-ROM (Compact Disc Read-
Only Memory, CD-ROM) or other optical disc storages, optical disc storage (including compression optical disc, laser disc, optical disc, digital universal
Optical disc, Blu-ray Disc etc.), magnetic disk storage medium or other magnetic storage apparatus or can be used in carrying or store with referring to
Enable or data structure form desired program code simultaneously can by any other medium of computer access, but not limited to this.
Memory can be individually present, and be connected by bus with processor.Memory can also be integrated with processor.
Wherein, the memory 503 performs the application code of the present invention program for storage, and by processor 501
It is performed to control.The processor 501 is used to perform the application code stored in the memory 503.
In the concrete realization, it can be a monokaryon that processor 501, which can include one or more CPU, each CPU,
(single-core) processor or multinuclear (multi-Core) processor.Here processor can refer to one
Or multiple equipment, circuit, and/or the process cores for handling data (such as computer program instructions).
In the concrete realization, as a kind of embodiment, which can also include input/output (I/O) interface
505.For example, output equipment can be liquid crystal display (liquid crystal display, LCD), Light-Emitting Diode
(light emitting diode, LED) shows equipment, and cathode-ray tube (cathode ray tube, CRT) shows equipment,
Or projecting apparatus (projector) etc..Input equipment can be mouse, keyboard, touch panel device or sensing equipment etc..
Above-mentioned computer equipment can be an a general purpose computing device either dedicated computing machine equipment.Having
During body is realized, computer equipment can be desktop computer, portable computer, network server, palm PC (Personal
Digital Assistant, PDA), cell phone, tablet computer, wireless terminal device, communication equipment, embedded device or have
The equipment of similar structures in Fig. 2.The unlimited type for determining computer equipment of the embodiment of the present invention.
If the control plane equipment in Fig. 1 can be equipment shown in fig. 5, stored in memory 503 one or more soft
Part module.Control plane equipment can realize software module by the program code in processor and memory, complete above-mentioned
Method.
The embodiment of the present invention additionally provides a kind of computer storage media, is set for saving as above-mentioned Fig. 4 or shown in fig. 5
Standby computer software instructions used, it includes for performing the program designed by above method embodiment.By performing storage
Program, can realize the above method.
Although combining each embodiment herein, invention has been described, however, implementing the claimed invention
In the process, those skilled in the art are by checking the attached drawing, disclosure and the appended claims, it will be appreciated that and it is real
Other variations of the existing open embodiment.In the claims, " comprising " (comprising) word is not excluded for other compositions
Part or step, "a" or "an" are not excluded for multiple situations.Single processor or other units can realize claim
In several functions enumerating.Mutually different has been recited in mutually different dependent certain measures, it is not intended that these are arranged
It applies to combine and generates good effect.
It will be understood by those skilled in the art that the embodiment of the present invention can be provided as method, apparatus (equipment) or computer journey
Sequence product.Therefore, in terms of the present invention can be used complete hardware embodiment, complete software embodiment or combine software and hardware
The form of embodiment.Moreover, the calculating for wherein including computer usable program code in one or more can be used in the present invention
The computer program that machine usable storage medium is implemented on (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.)
The form of product.Computer program is stored/distributed in suitable medium, is provided together with other hardware or one as hardware
Part can also use other distribution forms, such as pass through the wired or wireless telecommunication systems of Internet or other.
The present invention be with reference to the embodiment of the present invention method, apparatus (equipment) and computer program product flow chart with/
Or block diagram describes.It should be understood that each flow that can be realized by computer program instructions in flowchart and/or the block diagram and/
Or the flow in box and flowchart and/or the block diagram and/or the combination of box.These computer program instructions can be provided
To the processor of all-purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to generate one
A machine so that the instruction generation performed by computer or the processor of other programmable data processing devices is used to implement
The device of function specified in one flow of flow chart or multiple flows and/or one box of block diagram or multiple boxes.
These computer program instructions, which may also be stored in, can guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works so that the instruction generation being stored in the computer-readable memory includes referring to
Enable the manufacture of device, the command device realize in one flow of flow chart or multiple flows and/or one box of block diagram or
The function of being specified in multiple boxes.
These computer program instructions can be also loaded into computer or other programmable data processing devices so that counted
Series of operation steps are performed on calculation machine or other programmable devices to generate computer implemented processing, so as in computer or
The instruction offer performed on other programmable devices is used to implement in one flow of flow chart or multiple flows and/or block diagram one
The step of function of being specified in a box or multiple boxes.
Although with reference to specific features and embodiment, invention has been described, it is clear that, can it is carried out respectively
Kind modifications and combinations.Correspondingly, the specification and drawings are only the exemplary theory of the present invention that appended claims are defined
It is bright, and it is considered as arbitrary and all modifications, variation, combination or the equivalent covered in the scope of the invention.Obviously, the skill of this field
Various changes and modifications can be made to the invention by art personnel without departing from the scope of the present invention.If in this way, this of the present invention
A little modifications and variations belong within the scope of the claims in the present invention and its equivalent technologies, then the present invention is also intended to change comprising these
Including dynamic and modification.
Claims (21)
- A kind of 1. method of user data moving anchor point, which is characterized in that including：The host apparatus that the first data surface gateway is IP groups is configured in control plane gateway；The stand-by equipment that the second data surface gateway is the IP groups is configured；IP address is distributed for user equipment from the IP groups, and establishes user's context；User context information is sent to the second data surface gateway, the user context information is used for the second data veil It closes and post-processes user data package in moving anchor point.
- 2. the method as described in claim 1, which is characterized in that the IP groups include interface IP address, and the interface IP address includes It is following one or more：S1U interface IP addresses, S5 interface IP addresses, S8 interface IP addresses, S4 interface IP addresses and S12 interface IP addresses.
- 3. the method as described in claim 1-2, which is characterized in that the IP groups are including for distributing to the IP of user equipment Location or IP address section.
- 4. the method as described in claim 1-3, which is characterized in that the first data surface gateway of the configuration is set for the primary of IP groups It is standby to be specially：The high priority routing for the IP address that the first data surface gateway is configured to include in the IP groups；The second data surface gateway of the configuration is that the stand-by equipment of IP groups is specially：The second data surface gateway is configured to institute State the low priority routing of the IP address included in IP groups.
- 5. method as claimed in claim 4, which is characterized in that the control plane gateway directly issues the high priority routing It is route with low priority.
- 6. method as claimed in claim 4, which is characterized in that the control plane gateway is indicated to the first data surface gateway First data surface gateway is the host apparatus of the IP groups, the IP address included in the first data surface gateway publication IP groups High priority is route；The control plane gateway indicates the stand-by equipment that the second data surface gateway is the IP groups to the second data surface gateway, Second data surface gateway issues the low priority routing of the IP address included in the IP groups.
- 7. the method as described in claim 1-6, which is characterized in that described to be sent above and below user to the second data surface gateway Literary information triggers after receiving user equipment upstream data packet or downlink data packet by the second data surface gateway.
- 8. a kind of control plane gateway, which is characterized in that including dispensing unit, context unit, transmitting element, wherein：For the dispensing unit for the host apparatus that the first data surface gateway is IP groups to be configured, the second data surface gateway of configuration is institute State the stand-by equipment of IP groups；The context unit is used to distribute IP address for user equipment, and establish user's context from the IP groups；The transmitting element is used to send user context information, the user context information to the second data surface gateway For the second data surface gateway user data package is post-processed in moving anchor point.
- 9. control plane gateway as claimed in claim 8, which is characterized in that the IP groups include interface IP address, the interface Location includes following one or more：S1U interface IP addresses, S5 interface IP addresses, S8 interface IP addresses, S4 interface IP addresses and S12 interfaces Address.
- 10. the control plane gateway as described in claim 8-9, which is characterized in that the IP groups include setting for distributing to user Standby IP address or IP address section.
- 11. the control plane gateway as described in claim 8-10, which is characterized in that the dispensing unit is by first data surface Gateway is configured to the high priority routing of the IP address included in the IP groups, the second data surface gateway is configured to described The low priority routing of the IP address included in IP groups.
- 12. control plane gateway as claimed in claim 11, which is characterized in that the dispensing unit is directly issued described high preferential Grade routing and low priority routing.
- 13. control plane gateway as claimed in claim 11, which is characterized in that the dispensing unit is to the first data veil The host apparatus that the first data surface gateway of instruction is the IP groups is closed, the first data surface gateway issues the IP included in the IP groups The high priority routing of address；The dispensing unit indicates the stand-by equipment that the second data surface gateway is the IP groups to the second data surface gateway, the Two data surface gateways issue the low priority routing of the IP address included in the IP groups.
- 14. the control plane gateway as described in claim 8-13, which is characterized in that the transmitting element is to the control plane gateway It obtains after user's context receives user equipment upstream data packet or downlink data packet by the second data surface gateway and triggers.
- 15. a kind of system of user data moving anchor point, which is characterized in that the system comprises control plane gateway, the first data Veil closes, the second data surface gateway, wherein：The control plane gateway is used to that the host apparatus that the first data surface gateway is IP groups to be configured, and second data are configured Veil closes the stand-by equipment for the IP groups；IP address is distributed for user equipment from the IP groups, and establishes user's context； User context information is sent to the second data surface gateway；The first data surface gateway for the interface IP address in configuration of IP group, establishes user's context, and by user's context It is sent to the data surface gateway；The second data surface gateway, user receives the user context information that the data surface gateway is sent, in moving anchor point Post-process user data package.
- 16. system as claimed in claim 15, which is characterized in that the IP groups include interface IP address, the interface IP address packet It includes following one or more：S1U interface IP addresses, S5 interface IP addresses, S8 interface IP addresses, S4 interface IP addresses and S12 interfaces Location.
- 17. the system as described in claim 15-16, which is characterized in that the IP groups include distributing to user equipment IP address or IP address section.
- 18. the system as described in claim 15-17, which is characterized in that described to control veil by the first data surface gateway It is configured to the high priority routing of the IP address included in the IP groups；The low priority routing for the IP address that the second data surface gateway is configured to include in the IP groups.
- 19. system as claimed in claim 18, which is characterized in that the control plane gateway directly issues the high priority road By being route with low priority.
- 20. system as claimed in claim 18, which is characterized in that the control plane gateway is used for the first data veil The host apparatus that the first data surface gateway of instruction is the IP groups is closed, the first data surface gateway includes for issuing in the IP groups IP address high priority routing；The control plane gateway is used to indicate the second data surface gateway for the spare of the IP groups to the second data surface gateway Equipment, the second data surface gateway are used to issue the low priority routing of the IP address included in the IP groups.
- 21. the system as described in claim 15-20, which is characterized in that the second data surface gateway is used to receive user equipment After row data packet or downlink data packet, control plane gateway described in trigger request is sent to the second data surface gateway above and below user Literary information.
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| PCT/CN2017/094753 WO2018120822A1 (en) | 2016-12-30 | 2017-07-27 | User data anchor migration method, device and system |
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| WO2018120822A1 (en) | 2018-07-05 |
| CN108271149B (en) | 2021-09-14 |
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