CN107548050B - Method and device for selecting network element equipment - Google Patents
Method and device for selecting network element equipment Download PDFInfo
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- CN107548050B CN107548050B CN201610475162.XA CN201610475162A CN107548050B CN 107548050 B CN107548050 B CN 107548050B CN 201610475162 A CN201610475162 A CN 201610475162A CN 107548050 B CN107548050 B CN 107548050B
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Abstract
The embodiment of the invention provides a method and a device for selecting network element equipment, wherein the method is applied to a miniaturized core network and comprises the following steps: reading the effective record of the equipment list when selecting the network element equipment; and determining the selected network element equipment according to the effective record. In this embodiment, when the network element device to be selected is a device of a miniaturized core network, the selection of the network element device can be completed through the effective record in the device table without matching TA and APN information, so that the selection process of the network element device can be simplified; and TA and APN information does not need to be configured during configuration, so that the configuration flow can be simplified.
Description
Technical Field
The present invention relates to the field of mobile communications technologies, and in particular, to a method and an apparatus for selecting a network element device.
Background
Under an LTE (Long Term evolution) network architecture, a wireless communication system is composed of a radio access network and a Core network (EPC). In an actual networking of a core Network, there may be a plurality of Network entities such as Mobility Management Entity (MME), Serving GateWay (SGW), Packet Data GateWay (PGW), and the like, and during an initial attachment, handover, or Tracking Area Update (TAU) of a User Equipment (UE), different Network nodes may need to be discovered or discovered again and selected.
The users of the public network EPC device are many, for example, users of ten thousand or even one hundred thousand levels are reached, so in the public network EPC device, the MME, the SGW, and the PGW are single network element devices (network elements for short). Aiming at small-sized special industry application scenes such as education and teaching, enterprise application and the like, the user quantity is small, such as hundreds or thousands of users, and therefore the MME, the SGW and the PWG network elements are commonly deployed on the same processor of the same hardware board. Generally, the MME selects the SGW and PGW using the original 3GPP protocol. Specifically, the local selection mode follows a 3GPP protocol flow, that is, when the UE accesses, the MME selects a serving SGW and a PGW for the UE, and the selection mode is local configuration selection or Domain Name Server (DNS). Under the condition of local configuration selection, the mode of selecting the SGW by the MME is to search for a proper SGW according to Tracking Area Identity (TAI) information, that is, select the proper SGW by matching a Tracking Area (TA). The mode of selecting the PGW by the MME is to select an appropriate PGW according to Access Point Name (APN) information, that is, select an appropriate PGW by matching the APN. In addition to user access, handover or TAU, the MME also needs to select an SGW, i.e. it also needs to find a suitable SGW according to the TAI information. Obviously, the local selection mode needs to match the TA and the APN, which results in a complex selection process; and the configuration of the APN information that the TA and PGW covered by the SGW can access is required, which is cumbersome.
In summary, for the above-mentioned miniaturized special application scenario, the MME is implemented to select the SGW and the PGW according to the existing 3GPP protocol, which is relatively complicated in both configuration and flow.
Disclosure of Invention
The embodiment of the invention provides a method for selecting network element equipment and a corresponding device for selecting network element equipment, which are used for simplifying the process of selecting the network element equipment in a miniaturized special application scene, so that the complex problem of selecting the proper network element equipment is solved.
In order to solve the above problem, an embodiment of the present invention discloses a method for selecting a network element device, where the method is applied to a miniaturized core network, and includes: reading the effective record of the equipment list when selecting the network element equipment; and determining the selected network element equipment according to the effective record.
Preferably, the network element device includes: a serving gateway or a packet data gateway.
Preferably, when the service gateway is selected, the reading of the valid record of the device table includes: reading an effective record of a neighbor service gateway entity table, wherein the effective record of the neighbor service gateway entity table comprises an internet protocol address of a service gateway; the determining the selected network element device according to the effective record includes: and extracting the Internet protocol address of the service gateway from the effective record of the entity table of the adjacent service gateway, and taking the service gateway corresponding to the extracted Internet protocol address as the selected service gateway.
Preferably, when the packet data gateway is selected, reading a valid record of a device table, including: reading an effective record of an adjacent packet data gateway entity table, wherein the effective record of the adjacent packet data gateway entity table record comprises an internet protocol address of a packet data gateway; determining the selected network element device according to the effective record, comprising: and extracting the internet protocol address of the packet data gateway from the effective record of the adjacent packet data gateway entity table, and taking the packet data gateway corresponding to the extracted internet protocol address as the selected packet data gateway.
Preferably, the mobility management entity device, the serving gateway, and the packet data gateway of the miniaturized core network are located on the same processor of the same board.
The embodiment of the invention also discloses a device for selecting the network element equipment, which is applied to a miniaturized core network and comprises the following steps:
the record reading module is used for reading the effective record of the corresponding equipment list when the network element equipment is selected;
and the equipment selection module is used for determining the selected network element equipment according to the effective record.
Preferably, the network element device includes: a serving gateway or a packet data gateway.
Preferably, when the service gateway is selected, the record reading module is specifically configured to read an effective record of an adjacent service gateway entity table, where the effective record of the adjacent service gateway entity table includes an internet protocol address of the service gateway; the device selection module is specifically configured to extract an internet protocol address of a service gateway from the effective record of the neighbor service gateway entity table, and use the service gateway corresponding to the extracted internet protocol address as the selected service gateway.
Preferably, when the packet data gateway is selected, the record reading module is specifically configured to read an effective record of an adjacent packet data gateway entity table, where the effective record of the adjacent packet data gateway entity table includes an internet protocol address of the packet data gateway; the device selection module is specifically configured to extract an internet protocol address of the packet data gateway from the effective record of the neighbor packet data gateway entity table, and use the packet data gateway corresponding to the extracted internet protocol address as the selected packet data gateway.
The embodiment of the invention has the following advantages:
for a miniaturized core network, the embodiment can determine the IP address of the network element device by reading the effective record in the corresponding device table, i.e. complete the selection of the network element device, without matching TA and APN information, thereby simplifying the selection process of the network element device; and TA and APN information does not need to be configured during configuration, so that the configuration flow can be simplified.
Drawings
Fig. 1 is a flowchart illustrating steps of an embodiment of a method for selecting a network element device according to the present invention;
fig. 2 is a flowchart illustrating steps of another embodiment of a method for selecting a network element device according to the present invention.
Fig. 3 is a block diagram of an embodiment of an apparatus for selecting a network element device according to the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Generally, the MEE is responsible for selecting the SGW and PGW serving the UE during attach, location update, or handover.
1. Selecting SGW
The MME supports a network-based topology to select an available SGW for the UE. In the SGW service overlap region, the SGW selection is to reduce the possibility of SGW change while also considering load balancing between S-GWs.
Generally, the MME performs SGW selection according to the TAI area served by the SGW and the TAI where the UE is currently located. And when the selection result is a group of SGWs, the MME selects the SGWs according to the round selection strategy so as to realize the load sharing of the SGWs. For example, when the location of the UE is updated or the MME performs SGW selection during handover, the SGW currently serving the UE is preferentially selected, that is, the function of optimally selecting the SGW is implemented according to the current TAI and the last access TAI (last visited TAI) of the UE, and the algorithm to be selected is implemented after being designed.
Currently, according to the 3GPP protocol flow, the method for selecting an SGW by an MME under the condition of local configuration selection is to read an MME neighbor SGW entity table and an MME neighbor SGW TA entity table, and search for a suitable SGW according to TAI information. Specifically, the MME reads a mmeadjsgwwtaentry table, that is, an MME neighbor SGW TA entity table, according to a Tracking Area Code (TAC) carried in a message reported by the user equipment, so that the MME can associate to the mmeadjsgwwentry table, that is, the MME neighbor SGW entity table, and find an Internet Protocol (Internet Protocol, IP) address of the SGW, that is, select an appropriate SWG. Therefore, when the SGW is selected in the local selection mode, TA information needs to be matched, that is, TAC needs to be compared one by one to confirm the IP address of the corresponding SGW, and therefore the problem of complex selection process exists; and the TA covered by the SGW needs to be configured in advance, which results in cumbersome configuration.
2. Selecting PGW
The MME supports allocation of a PGW for 3GPP access to provide Public Data Network (PDN) connectivity using user subscription information provided by a Home Subscriber Server (HSS).
Typically, the MME selects the PGW according to the configuration of the HSS. If no PGW configuration exists in HSS, MME selects PGW according to the content of local configuration file (hostfile); if the HSS is configured with the address of the PGW, the MME is implemented by a Domain Name (Domain Name), that is, analyzes the PGW address through the DNS service, and completes the PWG selection function.
Currently, the method for selecting the SGW by the MME under the condition of local configuration selection is to read an APN entity table of a PGW address of the MME and select a suitable PGW according to APN information. Specifically, the MME checks an APN in the HSS subscription data according to an Internet Mobile Subscriber Identity (IMSI) of the ue to determine whether the HSS is configured with a PGW; when the HSS is configured with the PGW, the IP address of the PGW is directly searched according to the PGW configured in the HSS; when the PGW is not configured in the HSS, reading the mmePGwAddrApnEntry table, namely an MME PGW address APN entity table, and searching the PGW according to the APN information.
In summary, it is obvious that the existing local selection method needs to match TA and APN, which results in a complex selection process; and the configuration of the APN information that the TA and PGW covered by the SGW can access is required, which is cumbersome.
One of Core concepts of the embodiments of the present invention is that, for a small-sized application scenario of a special industry, three network elements, namely, an MME, an SGW, and a PGW, are commonly deployed on the same processor of the same board card to form a small-sized Core network (EPC), and the MME, the SGW, and the PGW are all single network elements. Therefore, the MME, the SGW, the PGW and the processor on the board have a one-to-one correspondence relationship, and the embodiment of the present invention may determine the selected network element device by reading the valid record of the device table, that is, the MME may select the SGW and the PGW according to the processor on the board where the MME is located, so as to simplify the selection process of the network element device, thereby solving the complex problem of selecting a suitable network element device.
Referring to fig. 1, a flowchart illustrating steps of an embodiment of a method for selecting a network element device according to the present invention is shown, where the method is used for a miniaturized core network, and specifically may include the following steps:
As a specific application scenario of the present invention, in a process of user equipment attachment, TAU or handover, an MEE may need to select a suitable Network element device for the user equipment, such as a suitable Serving GateWay (SGW) or a Packet Data Network GateWay (PGW).
When selecting the network element device, this embodiment may detect the device type parameter in the core network to determine whether the network element device is a device applied to a miniaturized core network. In an actual networking of a miniaturized core network, an MME, an SGW, and a PGW may be included on the same processor of the same board. Specifically, for a small-sized special industry application scenario with a small user amount, for example, only a hundred-level or thousand-level user amount, three network elements, namely, the MME, the SGW, and the PWG, may be deployed together on the same processor of the same hardware board, and the MME, the SGW, and the PGW may all be single network elements, that is, the MME, the SGW, the PGW, and the processor have a one-to-one correspondence relationship. Therefore, when the network element device to be selected is a device in a miniaturized core network, the network element device can be selected by selecting a co-located network element device. The co-located network element device may be referred to as a suitable device for short, for example, a processor on a board card may specifically include devices of three network elements, namely an MME, an SGW, and a PGW, and the MME, the SGW, and the PGW may have a one-to-one correspondence relationship with the suitable device.
In this embodiment, the device type corresponding to the network element device constituting the miniaturized core network may be referred to as a feature type. When the detected device type is the feature type, the network element device to be selected can be determined to be a device in the miniaturized core network, and further, a suitable network element device can be determined according to the effective record in the device table corresponding to the network element device to be selected. The data recorded in the device table includes an internet protocol address corresponding to the network element device, such as an IP address of the SGW, an IP address of the PGW, and the like.
And step 104, determining the selected network element equipment according to the effective record.
The embodiment may extract the internet protocol address from the read valid record, and determine the selected device by using the extracted internet protocol address, for example, using the network element device corresponding to the extracted internet address as the selected device.
As a specific example of the present invention, in a scenario of user equipment access, TAU, or handover, when the MME selects an SGW or a PGW, the EPC system may determine the device type by reading type information corresponding to the EPC device type. If the parameter value of the type information is displayed as the parameter value miniepc of the feature information, it may be determined that the device type of the SGW and the PGW to be selected is the feature type, that is, it is determined that the SGW, the PGW to be selected and the MEE to be in the same processor on the same board card and belong to a device of a miniaturized EPC, that is, it may be determined that the SGW and the PGW to be selected are the feature device, so that the IP address data of the network element device to be selected may be determined by reading the valid record of the corresponding device table, and the selected network element device may be determined based on the IP address data. Specifically, when the SGW is selected, the IP of the SGW can be determined by reading the first effective record of the mmeadjssgwwentry table without matching TA information, so that the complex problem of the SGW selection process caused by matching TA information can be avoided, and the problem of complex configuration caused by configuring TA information can be avoided; similarly, when the PGW is selected, the IP of the PGW may be determined by reading the first valid record in the mmepgwwdrapnentry table, and APN information does not need to be matched, so that the complex problem of the PG selection process caused by matching APN information may be avoided, and the problem of complicated configuration caused by configuring APN information may also be avoided.
The embodiment may determine whether the network element device required to be selected is applied to the miniaturized core network by detecting the device type corresponding to the network element device required to be selected. When the network element equipment to be selected is the equipment of the miniaturized core network, the IP address of the network element equipment can be determined by reading the effective record in the corresponding equipment table, so that the selection of the network element equipment is completed, and TA and APN information does not need to be matched, thereby simplifying the selection process of the network element equipment; and TA and APN information does not need to be configured during configuration, so that the configuration flow can be simplified.
In summary, in this embodiment, for a special miniaturized application scenario, that is, when three network elements, namely, an MME, an SGW, and a PGW, are deployed on the same processor of the same board card and are all single network elements, the selection of the SGW and the PGW by the MME is realized by reading an effective record of an equipment table, that is, the selection process and configuration can be simplified according to the co-established network element devices, so that the complex problem of selecting appropriate network element devices in a miniaturized core network is solved.
Referring to fig. 2, a flowchart illustrating steps of a preferred embodiment of a method for selecting a network element device of the present invention is shown, which may specifically include the following steps:
In a specific scenario of the present invention, when the user equipment performs attach, TAU, or handover, and the MME selects an appropriate SGW and a PGW under a local configuration selection condition, a parameter value of the device type table in the database may be read by the platform process to obtain parameter information corresponding to the device type, so that whether the network element device is a network element device in the miniaturized core network may be determined by using the value of the parameter information, that is, step 204 is performed.
The characteristic information may include a preset parameter value corresponding to the type of the miniaturized core network device, such as a specific numerical value miniipc; the feature type may be used to indicate a type of a device in the miniaturized core network, and specifically, it may be determined whether the network element device belongs to a web device in the miniaturized core network, that is, it may be determined whether the MEE, the SGW, and the PGW are located in the same processor on the same board.
Specifically, in this embodiment, a parameter value corresponding to a device type in the miniaturized core network may be preset, and the preset parameter information may be used as the feature information. When the obtained parameter information is preset feature information, the device types of the SGW and the PGW may be determined to be feature types. For example, the MEE may obtain a parameter value corresponding to the device type stored in the device type (Equipmentcommon) table by calling the platform process, and when the read parameter value is a specific value miniipc, may determine that the obtained parameter information is the feature information, so that the selected network element device may be determined according to the internet protocol address stored in the device table, that is, step 206 is executed; when the read parameter value is not the specific value miniapc, it may be determined that the network element device does not belong to a device in the miniaturized core network, multiple SGWs and multiple PGWs exist, and a suitable SGW and a suitable PGW may be selected according to an original selection method, which is not limited by the present invention.
And step 206, reading the effective record of the device table when the parameter information is the characteristic information.
In this embodiment, the network element device to be selected may specifically include: a serving gateway and a packet data gateway. The device meter may specifically include: and the neighbor service gateway entity table corresponding to the service gateway and the neighbor packet data gateway entity table corresponding to the packet data gateway. The effective record of the neighbor service gateway entity table includes an internet protocol address of the service gateway, for example, the mmeadjjsgwentry table records the IP address information of the SGW, and the IP address of the SGW can be represented as mmeadjsggwip; the valid record of the neighbor pdn gateway entity table includes an internet protocol address of the neighbor pdn gateway, for example, the mmepgwwaddrapnpgip table records IP address information of the PGW, and the IP address of the PGW may be represented as mmepgwwaddrapnpgip.
Step 208, extracting the internet protocol address from the effective record, and using the network element device corresponding to the internet address as the selected network element device.
Specifically, when the service gateway is selected, the step of reading the valid record of the device table may specifically include: and reading the effective record of the neighbor service gateway entity table, wherein the effective record of the neighbor service gateway entity table comprises the Internet protocol address of the service gateway. The extracting an internet protocol address from the effective record and using the network element device corresponding to the internet address as the selected network element device may specifically include: and extracting the Internet protocol address of the service gateway from the effective record of the entity table of the adjacent service gateway, and taking the service gateway corresponding to the extracted Internet protocol address as the selected service gateway.
For example, when the network element device to be selected is the SGW, the IP address of the SGW may be obtained by reading the valid record in the mmeadjsgwwentry table, so as to determine the selected SGW, and it is not necessary to query the mmeadjsgwwentry table according to the TAC message carried in the message reported by the user equipment, that is, it is not necessary to compare the TACs one by one to confirm the IP address data of the corresponding SGW, thereby simplifying the process and configuration for selecting the serving gateway in the small core network.
Similarly, when selecting the packet data gateway, the step of reading the valid record of the device table may specifically include: and reading the effective record of the adjacent packet data gateway entity table, wherein the effective record of the adjacent packet data gateway entity table comprises the internet protocol address of the packet data gateway. Extracting an internet protocol address from the valid record, and using a network element device corresponding to the internet address as a selected network element device may specifically include: and extracting the internet protocol address of the packet data gateway from the effective record of the adjacent packet data gateway entity table, and taking the packet data gateway corresponding to the extracted internet protocol address as the selected packet data gateway.
For example, when the network element device to be selected is a PGW, the IP address of the PGW may be obtained by reading the valid record of the mmepgwwaddrapnpgwop, so as to determine the selected PGW. Specifically, in the process of selecting the PGW, whether the PGW is configured in the HSS may be detected. When the HSS is configured with the PGW, the IP address of the PGW may be directly found according to the PGW configured in the HSS, and the PGW corresponding to the found IP address is used as the selected network element device, so that the selection of the PGW is completed. When the PGW is not configured in the HSS, the IP address of the PGW may be obtained by reading the valid record of the mmepgwwaddrapnpgwop, so that the selection of the PGW is completed, and the configuration and the process of selecting the PGW in the miniaturized core network may be simplified without matching APN information carried in the report message of the user equipment.
It should be noted that, for simplicity of description, the method embodiments are described as a series of acts or combination of acts, but those skilled in the art will recognize that the present invention is not limited by the illustrated order of acts, as some steps may occur in other orders or concurrently in accordance with the embodiments of the present invention. Further, those skilled in the art will appreciate that the embodiments described in the specification are presently preferred and that no particular act is required to implement the invention.
Referring to fig. 3, a block diagram of a structure of an embodiment of an apparatus for selecting a network element device according to the present invention is shown, which may specifically include the following modules:
a record reading module 302, configured to read a valid record of the device table when the network element device is selected.
A device selecting module 304, configured to determine a selected network element device according to the valid record.
In this embodiment, the apparatus for selecting a network element device may be specifically used in a miniaturized core network, and the network element device to be selected may specifically include: a serving gateway and/or a packet data gateway. When the network element equipment needing to be selected is a service gateway, the corresponding equipment table of the network element equipment is an adjacent service gateway entity table, and data recorded by the adjacent service gateway entity table comprises an internet protocol address of the service gateway; when the network element equipment needing to be selected is the packet data gateway, the corresponding equipment table of the network element equipment is an adjacent packet data gateway entity table, and the data recorded by the adjacent packet data gateway entity table comprises the internet protocol address of the packet data gateway.
When the packet data gateway is selected, the record reading module 302 may be further configured to specifically read an effective record of an adjacent packet data gateway entity table, where the effective record of the adjacent packet data gateway entity table includes an internet protocol address of the packet data gateway; the device selection module 304 may be further configured to extract an internet protocol address of the packet data gateway from the valid record of the neighbor packet data gateway entity table, and use the packet data gateway corresponding to the extracted internet protocol address as the selected packet data gateway.
Optionally, when the service gateway is selected, the record reading module 302 may be specifically configured to read an effective record of a neighbor service gateway entity table, where the effective record of the neighbor service gateway entity table includes an internet protocol address of the service gateway; the device selection module 304 may be specifically configured to extract an internet protocol address of the serving gateway from the valid record of the neighbor serving gateway entity table, and use the serving gateway corresponding to the extracted internet protocol address as the selected serving gateway.
In a preferred embodiment of the present invention, the apparatus may further include: and a device type detection module. The device type detecting module may be configured to, when a network element device is selected, obtain parameter information corresponding to a device type, determine whether the parameter information is feature information, and, when the parameter information is the feature information, trigger the record reading module 302 to perform a step of reading an effective record of a device table.
Optionally, the device type detection module may specifically include the following sub-modules:
and the parameter acquisition submodule is used for acquiring the parameter information corresponding to the equipment type.
And the type determining submodule is used for judging whether the parameter information is the feature information, determining that the equipment type is the feature type when the parameter information is the feature information, and triggering the record reading module 302 to execute the step of reading the effective record of the equipment table.
In this embodiment, the mobility management entity device, the serving gateway, and the packet data gateway of the miniaturized core network are located on the same processor of the same board. Therefore, for a small-sized special application scenario, the embodiment can realize that the MME selects the SGW and the PGW by reading the effective record of the device table without matching the TA and APN information, i.e., simplify the configuration flow, i.e., simplify the selection flow and the configuration according to the co-established network element device, thereby solving the complex problem of selecting a suitable network element device.
For the device embodiment, since it is basically similar to the method embodiment, the description is simple, and for the relevant points, refer to the partial description of the method embodiment.
The embodiments in the present specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, apparatus, or computer program product. Accordingly, embodiments of the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, embodiments of the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
Embodiments of the present invention are described with reference to flowchart illustrations and/or block diagrams of methods, terminal devices (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing terminal to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing terminal, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing terminal to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing terminal to cause a series of operational steps to be performed on the computer or other programmable terminal to produce a computer implemented process such that the instructions which execute on the computer or other programmable terminal provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While preferred embodiments of the present invention have been described, additional variations and modifications of these embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the embodiments of the invention.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or terminal that comprises the element.
The method for selecting network element equipment and the device for selecting network element equipment provided by the invention are described in detail above, and a specific example is applied in the text to explain the principle and the implementation of the invention, and the description of the above embodiment is only used to help understand the method of the invention and the core idea thereof; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (8)
1. A method for selecting network element equipment, wherein the method is applied to a miniaturized core network, and comprises the following steps:
when network element equipment is selected, acquiring parameter information corresponding to the equipment type, and judging whether the parameter information is characteristic information; wherein, the network element device includes: a serving gateway or a packet data gateway; the characteristic information is a preset parameter value corresponding to the type of the miniaturized core network equipment;
when the parameter information is the characteristic information, reading the effective record of the equipment table;
and determining the selected network element equipment according to the effective record.
2. The method of claim 1, wherein upon selecting the serving gateway,
the reading of the valid record of the device table includes: reading an effective record of a neighbor service gateway entity table, wherein the effective record of the neighbor service gateway entity table comprises an internet protocol address of a service gateway;
the determining the selected network element device according to the effective record includes: and extracting the Internet protocol address of the service gateway from the effective record of the entity table of the adjacent service gateway, and taking the service gateway corresponding to the extracted Internet protocol address as the selected service gateway.
3. The method according to claim 1, wherein, when selecting the packet data gateway,
the reading of the valid record of the device table includes: reading an effective record of an adjacent packet data gateway entity table, wherein the effective record of the adjacent packet data gateway entity table comprises an internet protocol address of a packet data gateway;
the determining the selected network element device according to the effective record includes: and extracting the internet protocol address of the packet data gateway from the effective record of the adjacent packet data gateway entity table, and taking the packet data gateway corresponding to the extracted internet protocol address as the selected packet data gateway.
4. The method of claim 1, wherein the mobility management entity device, the serving gateway, and the packet data gateway of the small-scale core network are located on a same processor of a same board.
5. An apparatus for selecting a network element device, wherein the apparatus is applied to a miniaturized core network, and comprises:
the device type detection module is used for acquiring parameter information corresponding to the device type when the network element device is selected, and judging whether the parameter information is characteristic information; wherein, the network element device includes: a serving gateway or a packet data gateway; the characteristic information is a preset parameter value corresponding to the type of the miniaturized core network equipment;
the record reading module is used for executing effective record of reading the equipment list when the parameter information is the characteristic information;
and the equipment selection module is used for determining the selected network element equipment according to the effective record.
6. The apparatus of claim 5, wherein, when selecting the serving gateway,
the record reading module is specifically configured to read an effective record of an adjacent service gateway entity table, where the effective record of the adjacent service gateway entity table includes an internet protocol address of a service gateway;
the device selection module is specifically configured to extract an internet protocol address of a service gateway from the effective record of the neighbor service gateway entity table, and use the service gateway corresponding to the extracted internet protocol address as the selected service gateway.
7. The apparatus according to claim 5, wherein, when selecting the packet data gateway,
the record reading module is specifically configured to read an effective record of an adjacent packet data gateway entity table, where the effective record of the adjacent packet data gateway entity table includes an internet protocol address of a packet data gateway;
the device selection module is specifically configured to extract an internet protocol address of the packet data gateway from the effective record of the neighbor packet data gateway entity table, and use the packet data gateway corresponding to the extracted internet protocol address as the selected packet data gateway.
8. The apparatus of claim 5, wherein the mobility management entity device, the serving gateway, and the packet data gateway of the small-scale core network are located on a same processor of a same board.
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| CN105142128A (en) * | 2014-06-05 | 2015-12-09 | 中兴通讯股份有限公司 | Special-purpose network selection method and device |
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