CN107548050A - A kind of method and apparatus for selecting network element device - Google Patents
A kind of method and apparatus for selecting network element device Download PDFInfo
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Abstract
The embodiments of the invention provide a kind of method and apparatus for selecting network element device, this method is applied to miniaturization core net, including：When selecting network element device, effective record of equipment list is read；The network element device of selection is determined according to the effectively record.The present embodiment can complete the selection of network element device when the network element device of required selection is minimizes the equipment of core net by effective record in equipment list, without matching TA, APN information, so as to simplify the selection flow of network element device；And TA, APN information need not be configured in configuration, you can to simplify configuration flow.
Description
Technical field
The present invention relates to mobile communication technology field, more particularly to a kind of method for selecting network element device and a kind of device for selecting network element device.
Background technology
Under LTE (Long Term Evolvement, Long Term Evolution) network architecture, wireless communication system is made up of wireless access network and core net (Evolved Packet Core, EPC).Wherein, in the actual networking of core net, there may be multiple such as mobile management entity devices (Mobility Management Entity, MME), gateway (Serving GateWay, SGW), packet data gateway (Packet Data Network GateWay, the network entity such as PGW), in user equipment (User Equipment, UE) initial attachment, switching or tracing section updating (Tracking Area Update,) etc. TAU during, it is likely to need to find or rediscovers and select different network nodes.
The user of public network EPC equipment is relatively more, such as reaches ten thousand grades of even 100,000 number of stages users, therefore in public network EPC equipment, MME, SGW, PGW are single network element devices (abbreviation network element).For the special industry application scenarios of the miniaturizations such as education and instruction, enterprise's application, customer volume is smaller, such as hundred grades or thousand number of stages users, therefore tri- network elements of MME, SGW, PWG can be deployed in the same processor of same hardware board jointly.Generally, SGW, PGW flow are selected using original 3GPP protocol realizations MME.Specifically, locally selecting mode defers to 3GPP agreement flows, i.e., when UE is accessed, MME is the SGW and PGW of UE selection services, and selection mode is that selection or name server (Domain Name Service, DNS) is locally configured.In the case of selection is locally configured, MME selections SGW mode is according to tracking area identification (Tracking Area Identity, TAI) the suitable SGW of information searching, i.e., suitable SGW is chosen by matched jamming area (Tracking Area, TA).MME selections PGW mode chooses suitable PGW to select suitable PGW according to access point (Access Point Name, APN) information by matching APN.In addition to user accesses, switching or TAU, MME are also required to select SGW, that is, need also exist for according to the suitable SGW of TAI information searchings.Obviously, locally selecting mode needs to match TA and matches APN, causes to select flow complicated；And need to configure the APN information that the SGW TA that is covered and PGW have access to, and configure cumbersome.
To sum up, for the special applications scene of above-mentioned miniaturization, SGW, PGW are selected according to existing 3GPP protocol realizations MME, is all more complicated from configuring in upper and flow.
The content of the invention
The embodiment of the present invention provides a kind of method for selecting network element device and a kind of corresponding device for selecting network element device, to simplify the flow that network element device is selected in the special applications scene of miniaturization, so as to solve the challenge of the suitable network element device of above-mentioned selection.
In order to solve the above problems, the embodiment of the invention discloses a kind of method for selecting network element device, methods described is applied to miniaturization core net, including：When selecting network element device, effective record of equipment list is read；The network element device of selection is determined according to the effectively record.
Preferably, the network element device includes：Gateway or packet data gateway.
Preferably, when selecting the gateway, the effective record for reading equipment list, including：Effective record of adjacent service gateway entity table is read, wherein, effective record of the adjacent service gateway entity table includes the internet protocol address of gateway；The network element device that selection is determined according to the effectively record, including：The internet protocol address of gateway is extracted from effective record of the adjacent service gateway entity table, and by the gateway of gateway alternatively corresponding to the internet protocol address extracted.
Preferably, when selecting the packet data gateway, effective record of equipment list is read, including：Effective record of adjacent packet data gateway entity table is read, wherein, effective record of the adjacent packet data gateway entity token record includes the internet protocol address of packet data gateway；The network element device of selection is determined according to the effectively record, including：The internet protocol address of packet data gateway is extracted from effective record of the adjacent packet data gateway entity table, and by the packet data gateway of packet data gateway alternatively corresponding to the internet protocol address extracted.
Preferably, mobile management entity device, gateway and the packet data gateway of the miniaturization core net are located in the same processor of same board.
The embodiment of the invention also discloses a kind of device for selecting network element device, described device is applied to miniaturization core net, including：
Read module is recorded, for answering effective record of equipment list in selection network element device, reading；
Equipment selecting module, for determining the network element device of selection according to the effectively record.
Preferably, the network element device includes：Gateway or packet data gateway.
Preferably, when selecting the gateway, the record read module, effective record specifically for reading adjacent service gateway entity table, wherein, effective record of the adjacent service gateway entity table includes the internet protocol address of gateway；The equipment selecting module, the internet protocol address specifically for extracting gateway from effective record of the adjacent service gateway entity table, and by the gateway of gateway alternatively corresponding to the internet protocol address extracted.
Preferably, when selecting the packet data gateway, the record read module, effective record specifically for reading adjacent packet data gateway entity table, wherein, effective record of the adjacent packet data gateway entity table includes the internet protocol address of packet data gateway；The equipment selecting module, the internet protocol address specifically for extracting packet data gateway from effective record of the adjacent packet data gateway entity table, and by the packet data gateway of packet data gateway alternatively corresponding to the internet protocol address extracted.
The embodiment of the present invention includes advantages below：
The present embodiment can be determined the IP address of network element device by effective record in equipment list corresponding to reading, that is, complete the selection of network element device, without matching TA, APN information, so as to simplify the selection flow of network element device for miniaturization core net；And TA, APN information need not be configured in configuration, you can to simplify configuration flow.
Brief description of the drawings
Fig. 1 is a kind of step flow chart of the embodiment of the method for selection network element device of the present invention；
Fig. 2 is the step flow chart of the embodiment of the method for another selection network element device of the present invention.
Fig. 3 is a kind of structured flowchart of the device embodiment of selection network element device of the present invention.
Embodiment
In order to facilitate the understanding of the purposes, features and advantages of the present invention, the present invention is further detailed explanation with reference to the accompanying drawings and detailed description.
Generally, in attachment, location updating or handoff procedure, MEE is responsible for the SGW and PGW of UE selection services.
1st, SGW is selected
MME supports that network topological structure is to select an available SGW with UE.In SGW service overlapping regions, SGW selection will reduce the possibility of SGW changes, while also need to consider the load balancing between S-GW.
Generally, the TAI that the TAI regions and UE that MME services according to SGW are currently located carries out SGW selections.When selection result is one group of SGW, MME carries out SGW selections, to realize SGW load sharing according to polling strategy.Such as, when UE location updating or in handoff procedure, MME progress SGW selections, prioritizing selection is currently the SGW of UE services, i.e. according to the current TAI of UE and the preceding function of once accessing TAI (LAST Vistited TAI) and realize SGW optimal selections, realized after selection algorithm design.
At present according to 3GPP agreement flows, MME selects SGW mode to read MME neighbour's SGW entities table and MME neighbour's SGW TA entity tables in the case of selection is locally configured, according to the suitable SGW of TAI information searchings.Specifically, MME encodes (Tracking Area Code according to tracking area entrained in user equipment to report message, TAC mmeAdjSgwTaEntry tables) are read, that is MME neighbour SGW TA entity tables, so as to be associated with mmeAdjSgwEntry, i.e. MME neighbour SGW entities table according to mmeAdjSgwTaEntry tables, SGW Internet protocol (Internet Protocol are found, IP) address, that is, suitable SWG is chosen.It can be seen that locally selecting mode when selecting SGW, it is necessary to match TA information, that is, need, that is, need by comparing TAC one by one, to confirm corresponding SGW IP address, the problem of selection flow complexity thunder be present；And need to be pre-configured with the TA that SGW is covered, cause to configure cumbersome.
2nd, PGW is selected
MME supports to utilize home subscriber server server (Home Subscriber Server, HSS) the user signing contract information provided, one PGW of distribution is accessed for 3GPP to provide public data network (Public Data Network, PDN) connection.
Generally, MME selects PGW according to HSS configuration.If not having PGW configurations in HSS, MME carries out PGW selections according to local profile (hostfile) content；If being configured with PGW address in HSS, MME is realized with domain name (Domain Name), i.e., by DNS service, PGW addresses are parsed, and completes PWG selection functions.
At present, MME selects SGW mode to select suitable PGW according to APN information to read MME PGW addresses APN entity tables in the case of selection is locally configured.Specifically, MME checks APN in HSS subscription data according to the internet mobile identification number (International Mobile Subscriber Identification Number, IMSI) of user equipment, to judge whether HSS is configured with PGW；When being configured with PGW in HSS, PGW IP address is directly found according to the PGW configured in HSS；When not configuring PGW in HSS, mmePgwAddrApnEntry tables, i.e. MME PGW addresses APN entity tables are read, to search PGW according to APN information.
To sum up, it is clear that the existing mode that locally selects needs to match TA and matches APN, causes to select flow complicated；And need to configure the APN information that the SGW TA that is covered and PGW have access to, and configure cumbersome.
One of the core concepts of the embodiments of the present invention is, for the special industry application scenarios of miniaturization, tri- network elements of MME, SGW, PGW are deployed in the same processor of same board jointly, to form miniaturization core net (Evolved Packet Core, EPC), and MME, SGW, PGW are single network elements.Therefore, processor on MME, SGW, PGW and board has one-to-one relation, the embodiment of the present invention can determine the network element device of selection by reading effective note of equipment list, it can realize that MME selects SGW and PGW according to the processor on residing board, to simplify the selection flow of network element device, so as to solve to select the challenge of suitable network element device.
Reference picture 1, shows a kind of step flow chart of the embodiment of the method for selection network element device of the present invention, and this method is used to minimize core net, specifically may include steps of：
Step 102, when selecting network element device, effective record of equipment list is read.
A concrete application scene as the present invention, during user equipment attachment, TAU or switching, MEE may need to select suitable network element device for the user equipment, such as select suitable gateway (Serving GateWay,) or packet data gateway (Packet Data Network GateWay, PGW) SGW.
When selecting network element device, the present embodiment can detect the device type parameter in the core net, to judge whether the network element device is to be applied to minimize the equipment in core net.In the actual networking of miniaturization core net, a MME, SGW and PGW can be included in the same processor of same board.Specifically, for the smaller miniaturization special industry application scenarios of customer volume, such as only have hundred grades or thousand number of stages users, tri- network elements of MME, SGW, PWG can be deployed in the same processor of same hardware board jointly, and MME, SGW, PGW can be single network elements, i.e. MME, SGW, PGW and processor has one-to-one relation.Therefore, can be by selecting to close the network element device that set, to realize the selection of network element device when the network element device of the selection of needs is the equipment in miniaturization core net.Wherein, close the network element device set, can abbreviation suitable equipment, such as the processor on board, can specifically include the equipment of these three network elements of MME, SGW, PGW, and MME, SGW, PGW and suitable equipment can have one-to-one relation.
In the present embodiment, device type corresponding to the network element device that can will form miniaturization core net is referred to as characteristic type.When detection device type is characterized type, it may be determined that the network element device of required selection is the equipment in miniaturization core net, and then effective record that can be in the equipment list according to corresponding to the network element device of required selection determines suitable network element device.Wherein, the data recorded in equipment list include internet protocol address corresponding to network element device, such as SGW IP address, PGW IP address.
Step 104, the network element device of selection is determined according to the effectively record.
The present embodiment can extract internet protocol address from reading in effectively record, determine devices selected using the internet protocol address extracted, network element device is as devices selected as corresponding to using the Internet address extracted.
As the specific example of the present invention, under user equipment access, TAU or handoff scenario, when MME selects SGW, PGW, EPC system can be by reading type information corresponding to EPC device types, to determine device type.If the parameter value of type information is shown as the parameter value miniepc of characteristic information, SGW, PGW of selection device type are characterized type required for can then determining, in same processors of SGW, PGW and the MEE of selection on same board required for determining, belong to miniaturization EPC equipment, SGW, PGW of selection are characterized equipment required for can determining, so as to determine the IP address data of the network element device of required selection by effective record of equipment list corresponding to reading, the network element device of selection is determined based on IP address data.Specifically, when selecting SGW, SGW IP can be determined by reading first effective record of mmeAdjSgwEntry tables, TA information need not be matched, cause the challenge of SGW selection flows so as to avoid matching TA information, while can also avoid configuring TA information and causing to configure the problem of cumbersome；Similarly, when selecting PGW, PGW IP can be determined by reading first effective record of mmePgwAddrApnEntry tables, APN information need not be matched, cause the challenge of PG selection flows so as to avoid matching APN information, while configuration of APN information can also be avoided and cause to configure the problem of cumbersome.
Whether the present embodiment can be to be applied in miniaturization core net with the network element device selected required for determination by device type corresponding to the network element device that is selected required for detection.When required selection network element device for minimize core net equipment, the IP address of network element device can be determined by effective record in equipment list corresponding to reading, the selection of network element device is completed, without matching TA, APN information, so as to simplify the selection flow of network element device；And TA, APN information need not be configured in configuration, you can to simplify configuration flow.
To sum up, special applications scene of the present embodiment for miniaturization, i.e. when tri- network elements of MME, SGW, PGW are deployed in the same processor of same board jointly, and when being all single network element, effective record by reading equipment list realizes that MME selects SGW, PGW, also the network element device that can be set according to closing simplifies selection flow and configuration, so as to solve the challenge that suitable network element device is selected in miniaturization core net.
Reference picture 2, a kind of step flow chart of the method preferred embodiment of selection network element device of the present invention is shown, specifically may include steps of：
Step 202, when selecting network element device, parameter information corresponding to device type is obtained.
In the concrete scene of the present invention, adhered in user equipment, TAU or during switching, MME in the case of selection is locally configured when selecting suitable SGW and PGW, device type table parameter value in platform process reading database can be passed through, to get parameter information corresponding to device type, so as to use the value of parameter information to judge that network element device whether for the network element device in miniaturization core net, that is, performs step 204.
Step 204, judge whether the parameter information is characterized information.
Wherein, characteristic information can include parameter value corresponding to the miniaturization equipment of the core network type that pre-sets, such as special value Miniepc；Whether characteristic type can be used to indicate that miniaturization equipment of the core network type, can specifically determine the webpage equipment whether network element device belongs in miniaturization core net, you can to determine MEE, SGW and PGW in the same processor on same board.
Specifically, the present embodiment can pre-set parameter value corresponding to device type in miniaturization core net, and can be using the parameter information that this pre-sets as characteristic information.When accessed parameter information is the characteristic information pre-set, it may be determined that SGW and PGW device type is characterized type.Such as, MEE can pass through calling platform process, obtain parameter value corresponding to the device type preserved in device type (Equipmentcommon) table, when the parameter value read is special value Miniepc, it can determine that accessed parameter information is characterized information, so as to determine the network element device of selection according to the internet protocol address preserved in equipment list, that is, perform step 206；When the parameter value read is not special value Miniepc, it can determine that the network element device is not belonging to minimize the equipment in core net, multiple SGW and multiple PGW be present, suitable SGW and PGW, the invention is not limited in this regard can be selected according to original system of selection.
Step 206, when parameter information is characterized information, effective record of equipment list is read.
In the present embodiment, the network element device of required selection can specifically include：Gateway and packet data gateway.Equipment list can specifically include：Adjacent packet data gateway entity table corresponding to adjacent service gateway entity table and packet data gateway corresponding to gateway.Wherein, effective record of adjacent service gateway entity table includes the internet protocol address of gateway, as mmeAdjSgwEntry tables have recorded SGW IP address information, and SGW IP address can be expressed as into mmeadjsgwIP；Effective record of adjacent packet data gateway entity table includes the internet protocol address of adjacent packet data gateway, as mmePgwAddrApnPgwIp tables have recorded PGW IP address information, and PGW IP address can be expressed as into mmePgwAddrApnPgwIp.
Step 208, internet protocol address is extracted from effective record, and by the network element device of network element device alternatively corresponding to the Internet address.
Specifically, when selecting the gateway, the step of reading effective record of equipment list, can specifically include：Effective record of adjacent service gateway entity table is read, wherein, effective record of the adjacent service gateway entity table includes the internet protocol address of gateway.It is above-mentioned to extract internet protocol address from the effectively record, and by the network element device of network element device alternatively corresponding to the Internet address, can specifically include：The internet protocol address of gateway is extracted from effective record of the adjacent service gateway entity table, and by the gateway of gateway alternatively corresponding to the internet protocol address extracted.
Such as, when the network element device of required selection is SGW, SGW IP address can be got by reading effective record of mmeAdjSgwEntry tables, so that it is determined that the SGW chosen, it need not be gone to inquire about mmeAdjSgwTaEntry tables according to TAC message entrained in user equipment to report message, corresponding SGW IP address data need not be confirmed by comparing TAC one by one, so as to simplify flow and configuration that gateway is selected in miniaturization core net.
Similarly, when selecting the packet data gateway, the step of reading effective record of equipment list, can specifically include：Effective record of adjacent packet data gateway entity table is read, wherein, effective record of the adjacent packet data gateway entity table includes the internet protocol address of packet data gateway.Extract internet protocol address from effective record, and by the network element device of network element device alternatively corresponding to the Internet address, can specifically include：The internet protocol address of packet data gateway is extracted from effective record of the adjacent packet data gateway entity table, and by the packet data gateway of packet data gateway alternatively corresponding to the internet protocol address extracted.
For example, when required selection network element device for PGW when, PGW IP address can be got by reading mmePgwAddrApnPgwIp effective record, so that it is determined that the PGW chosen.Specifically, during PGW is selected, can detect in HSS whether be configured with PGW.When being configured with PGW in HSS, PGW IP address can be directly found according to the PGW configured in HSS, and the network element devices of PGW corresponding to IP address alternatively will be found, that is, completes PGW selection.When PGW is not configured in HSS, PGW IP address can be got by reading mmePgwAddrApnPgwIp effective record, so as to complete PGW selection, APN information entrained in user equipment to report message need not be matched, you can to simplify configuration and flow that PGW is selected in miniaturization core net.
It should be noted that, for embodiment of the method, in order to be briefly described, therefore it is all expressed as to a series of combination of actions, but those skilled in the art should know, the embodiment of the present invention is not limited by described sequence of movement, because according to the embodiment of the present invention, some steps can use other orders or carry out simultaneously.Secondly, those skilled in the art should also know, embodiment described in this description belongs to preferred embodiment, necessary to the involved action not necessarily embodiment of the present invention.
Reference picture 3, a kind of structured flowchart of the device embodiment of selection network element device of the present invention is shown, can specifically include following module：
Read module 302 is recorded, for when selecting network element device, reading effective record of equipment list.
Equipment selecting module 304, for determining the network element device of selection according to the effectively record.
In the present embodiment, the device of network element device is selected specifically to can be used for minimizing in core net, the network element device of required selection can specifically include：Gateway and/or packet data gateway.When need the network element device of selection for gateway when, the network element device corresponding device table is adjacent service gateway entity table, and the data of the adjacent service gateway entity token record include the internet protocol address of gateway；When need the network element device of selection for packet data gateway when, the network element device corresponding device table is adjacent packet data gateway entity table, and the data of the adjacent packet data gateway entity token record include the internet protocol address of packet data gateway.
When selecting the packet data gateway, read module 302 is recorded, specifically can be also used for reading effective record of adjacent packet data gateway entity table, wherein, effective record of the adjacent packet data gateway entity table includes the internet protocol address of packet data gateway；Equipment selecting module 304, the specific internet protocol address that can be also used for extracting packet data gateway from effective record of the adjacent packet data gateway entity table, and by the packet data gateway of packet data gateway alternatively corresponding to the internet protocol address extracted.
Optionally, when selecting the gateway, the record read module 302, it specifically can be used for the effective record for reading adjacent service gateway entity table, wherein, effective record of the adjacent service gateway entity table includes the internet protocol address of gateway；Equipment selecting module 304, it specifically can be used for the internet protocol address that gateway is extracted from effective record of the adjacent service gateway entity table, and by the gateway of gateway alternatively corresponding to the internet protocol address extracted.
In a preferred embodiment of the invention, the device can also include：Device type detection module.The device type detection module, it can be used for when selecting network element device, obtain parameter information corresponding to device type, and judge whether the parameter information is characterized information, and when parameter information is characterized information, trigger recording read module 302 perform read equipment list effective record the step of.
Optionally, device type detection module can specifically include following submodule：
Parameter acquiring submodule, for obtaining parameter information corresponding to device type.
Type determination module, for judging whether parameter information is characterized information, and when parameter information is characterized information, determine that the device type is characterized type, and the step of effective record of the execution reading equipment list of trigger recording read module 302.
In the present embodiment, the mobile management entity device, gateway and packet data gateway for minimizing core net are located in the same processor of same board.Therefore, for the special applications scene of miniaturization, the present embodiment can realize that MME selects SGW, PGW by reading effective record of equipment list, TA, APN information need not be matched, simplify configuration flow, also the network element device that can be set according to closing simplifies selection flow and configuration, so as to solve the challenge for selecting suitable network element device.
For device embodiment, because it is substantially similar to embodiment of the method, so description is fairly simple, the relevent part can refer to the partial explaination of embodiments of method.
Each embodiment in this specification is described by the way of progressive, and what each embodiment stressed is the difference with other embodiment, between each embodiment identical similar part mutually referring to.
It should be understood by those skilled in the art that, the embodiment of the embodiment of the present invention can be provided as method, apparatus or computer program product.Therefore, the form of the embodiment in terms of the embodiment of the present invention can use complete hardware embodiment, complete software embodiment or combination software and hardware.Moreover, the embodiment of the present invention can use the form for the computer program product implemented in the computer-usable storage medium (including but is not limited to magnetic disk storage, CD-ROM, optical memory etc.) for wherein including computer usable program code in one or more.
The embodiment of the present invention is described with reference to method according to embodiments of the present invention, the flow chart of terminal device (system) and computer program product and/or block diagram.It should be understood that can be by the combination of each flow in computer program instructions implementation process figure and/or block diagram and/or the flow in square frame and flow chart and/or block diagram and/or square frame.These computer program instructions can be provided to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing terminal equipments to produce a machine so that the device for being used for realizing the function of being specified in one flow of flow chart or multiple flows and/or one square frame of block diagram or multiple square frames is produced by the instruction of the computing device of computer or other programmable data processing terminal equipments.
In the computer-readable memory that these computer program instructions, which may be alternatively stored in, can guide computer or other programmable data processing terminal equipments work in a specific way, so that the instruction being stored in the computer-readable memory produces the manufacture for including command device, the command device realizes the function of being specified in one flow of flow chart or multiple flows and/or one square frame of block diagram or multiple square frames.
These computer program instructions can be also loaded into computer or other programmable data processing terminal equipments, so that series of operation steps is performed on computer or other programmable terminal equipments to produce computer implemented processing, so as to provide the step of being used to realize the function of specifying in one flow of flow chart or multiple flows and/or one square frame of block diagram or multiple square frames in the instruction performed on computer or other programmable terminal equipments.
Although having been described for the preferred embodiment of the embodiment of the present invention, those skilled in the art once know basic creative concept, then other change and modification can be made to these embodiments.So appended claims are intended to be construed to include preferred embodiment and fall into having altered and changing for range of embodiment of the invention.
Finally, it should be noted that, herein, such as first and second or the like relational terms are used merely to make a distinction an entity or operation with another entity or operation, and not necessarily require and either imply between these entities or operation any this actual relation or order be present.And, term " comprising ", "comprising" or any other variant thereof is intended to cover non-exclusive inclusion, so that process, method, article or terminal device including a series of elements not only include those key elements, but also the other element including being not expressly set out, or also include for this process, method, article or the intrinsic key element of terminal device.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that other identical element in the process including the key element, method, article or terminal device also be present.
Above to a kind of method for selecting network element device provided by the present invention and a kind of device for selecting network element device, it is described in detail, specific case used herein is set forth to the principle and embodiment of the present invention, and the explanation of above example is only intended to help to understand method and its core concept of the invention；Meanwhile for those of ordinary skill in the art, according to the thought of the present invention, there will be changes in specific embodiments and applications, in summary, this specification content should not be construed as limiting the invention.
Claims (10)
- A kind of 1. method for selecting network element device, it is characterised in that methods described is applied to miniaturization core net, including：When selecting network element device, effective record of equipment list is read；The network element device of selection is determined according to the effectively record.
- 2. according to the method for claim 1, it is characterised in that the network element device includes：Gateway or packet data gateway.
- 3. according to the method for claim 2, it is characterised in that when selecting the gateway,The effective record for reading equipment list, including：Effective record of adjacent service gateway entity table is read, wherein, effective record of the adjacent service gateway entity table includes the internet protocol address of gateway；The network element device that selection is determined according to the effectively record, including：The internet protocol address of gateway is extracted from effective record of the adjacent service gateway entity table, and by the gateway of gateway alternatively corresponding to the internet protocol address extracted.
- 4. according to the method for claim 2, it is characterised in that when selecting the packet data gateway,The effective record for reading equipment list, including：Effective record of adjacent packet data gateway entity table is read, wherein, effective record of the adjacent packet data gateway entity table includes the internet protocol address of packet data gateway；The network element device that selection is determined according to the effectively record, including：The internet protocol address of packet data gateway is extracted from effective record of the adjacent packet data gateway entity table, and by the packet data gateway of packet data gateway alternatively corresponding to the internet protocol address extracted.
- 5. according to the method for claim 1, it is characterised in that mobile management entity device, gateway and the packet data gateway of the miniaturization core net are located in the same processor of same board.
- A kind of 6. device for selecting network element device, it is characterised in that described device is applied to miniaturization core net, including：Read module is recorded, for when selecting network element device, reading effective record of equipment list；Equipment selecting module, for determining the network element device of selection according to the effectively record.
- 7. device according to claim 6, it is characterised in that the network element device includes：Gateway or packet data gateway.
- 8. device according to claim 7, it is characterised in that when selecting the gateway,The record read module, effective record specifically for reading adjacent service gateway entity table, wherein, effective record of the adjacent service gateway entity table includes the internet protocol address of gateway；The equipment selecting module, the internet protocol address specifically for extracting gateway from effective record of the adjacent service gateway entity table, and by the gateway of gateway alternatively corresponding to the internet protocol address extracted.
- 9. device according to claim 7, it is characterised in that when selecting the packet data gateway,The record read module, effective record specifically for reading adjacent packet data gateway entity table, wherein, effective record of the adjacent packet data gateway entity table includes the internet protocol address of packet data gateway；The equipment selecting module, the internet protocol address specifically for extracting packet data gateway from effective record of the adjacent packet data gateway entity table, and by the packet data gateway of packet data gateway alternatively corresponding to the internet protocol address extracted.
- 10. device according to claim 6, it is characterised in that mobile management entity device, gateway and the packet data gateway of the miniaturization core net are located in the same processor of same board.
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| CN201610475162.XA CN107548050B (en) | 2016-06-24 | 2016-06-24 | Method and device for selecting network element equipment |
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