CN105027507B - A kind of method and apparatus selecting back-end network equipment - Google Patents
A kind of method and apparatus selecting back-end network equipment Download PDFInfo
- Publication number
- CN105027507B CN105027507B CN201380002985.5A CN201380002985A CN105027507B CN 105027507 B CN105027507 B CN 105027507B CN 201380002985 A CN201380002985 A CN 201380002985A CN 105027507 B CN105027507 B CN 105027507B
- Authority
- CN
- China
- Prior art keywords
- end network
- equipment
- network equipment
- network
- state information
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 49
- 230000004044 response Effects 0.000 claims abstract description 58
- 230000006870 function Effects 0.000 claims description 23
- 238000010295 mobile communication Methods 0.000 description 12
- 238000010586 diagram Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/18—Selecting a network or a communication service
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The embodiment of the invention provides a kind of method and apparatus for selecting back-end network equipment, wherein a method of selection back-end network equipment, including：Network server device receives the equipment resource information request message from front network equipment, wherein the mark for being used to indicate back-end network device type is carried in above equipment resource information request message；According to the mark carried in above equipment resource information request message, the current loading condition information of at least two back-end network equipment of respective type is obtained from composer, wherein, above-mentioned at least two back-end networks equipment and the front network equipment are in consolidated network；To above-mentioned front network equipment feedback response message, wherein above-mentioned response message includes the current loading condition information of at least two back-end networks equipment.Technical solution provided in an embodiment of the present invention can be effectively reduced the probability of system congestion, improve power system capacity.
Description
Technical Field
The embodiment of the invention relates to the field of communication, in particular to a method and equipment for selecting back-end network equipment.
Background
At present, in a Mobile Network, in order to route a session creation request to a packet data Network Gateway (PGW), a Mobile Management Entity (MME) sends a request for querying an Internet Protocol (IP) address of the PGW to a Domain Name Server (DNS), the DNS sends an IP address list of the PGW to the MME according to load status information of the PGW and a degree of load, the MME selects an IP address of the PGW with a lightest load from the IP address list, and then initiates a session creation request to the PGW with the lightest load according to the IP address.
As can be seen from the above, in the prior art, the MME obtains an IP address list of PGWs by querying the DNS, and selects an IP address of a PGW with the lightest load from the IP address list, but the load state information of the PGW stored in the DNS is the load state information of the PGW acquired when the DNS accesses the system, and therefore, actually, the load of the PGW selected by the MME is not necessarily the lightest. If the load of the PGW selected by the MME is not the lightest, it will result in an increase in the probability of system congestion, thereby reducing the system capacity.
Disclosure of Invention
The embodiment of the invention provides a method and equipment for selecting back-end network equipment, which are used for reducing the probability of system congestion and improving the system capacity.
In order to solve the technical problems, the following technical scheme is provided:
a first aspect of the present invention provides a method for selecting a backend network device, including:
the network service equipment receives an equipment resource information request message from front-end network equipment, wherein the equipment resource information request message carries an identifier for indicating the type of the back-end network equipment;
the network service equipment acquires the current load state information of at least two back-end network equipment of corresponding types from a composer according to the identifier carried in the equipment resource information request message, wherein the at least two back-end network equipment and the front-end network equipment are in the same network;
the network service device feeds back a response message to the front-end network device, where the response message includes current load status information of the at least two back-end network devices, so that the front-end network device selects a back-end network device with the lightest load from the at least two back-end network devices to create a session.
A second aspect of the present invention provides a network service apparatus, including:
a receiving unit, configured to receive a device resource information request message from a front-end network device, where the device resource information request message carries an identifier for indicating a type of a back-end network device;
an obtaining unit, configured to obtain, from a orchestrator, current load state information of at least two pieces of backend network devices of corresponding types according to the identifier carried in the device resource information request message, where the at least two pieces of backend network devices and the front-end network device are in the same network;
a sending unit, configured to feed back a response message to the front-end network device, where the response message includes: and the obtained current load state information of the at least two pieces of back-end network equipment is used for the front-end network equipment to select the back-end network equipment with the lightest load from the at least two pieces of back-end network equipment to create the session.
A third aspect of the present invention provides another network service device, including: a processor;
the processor is configured to: receiving a device resource information request message from a front-end network device, wherein the device resource information request message carries an identifier for indicating the type of a back-end network device; acquiring current load state information of at least two back-end network devices of corresponding types from an orchestrator according to the identifier carried in the device resource information request message, wherein the at least two back-end network devices and the front-end network device are in the same network; feeding back a response message to the front-end network device, where the response message includes: the current load state information of the at least two back-end network devices, so that the front-end network device selects the back-end network device with the lightest load from the at least two back-end network devices to create the session.
It can be seen from the foregoing technical solutions that, in the embodiment of the present invention, when receiving a device resource information request message sent by a front-end network device, a network service device acquires current load state information of at least two back-end network devices that are in the same network as the network service device and are of the same type as a back-end network device requested by the device resource information request message, and feeds back response information including the current load state information of the at least two back-end network devices to the front-end network device, and because the current load state information of the back-end network device is acquired and fed back, it can be ensured that the front-end network device selects the back-end network device with the lightest load according to the response message to create a session, thereby reducing the probability of system congestion and improving system capacity.
Drawings
FIG. 1-a is a schematic diagram of a network application environment for a method of selecting a backend network device according to the present invention;
fig. 1-b is a flowchart illustrating an embodiment of a method for selecting a backend network device according to the present invention;
fig. 2 is a schematic flowchart of another embodiment of a method for selecting a backhaul network device according to the present invention;
fig. 3 is a flowchart illustrating a method for selecting a backhaul network device according to another embodiment of the present invention;
fig. 4 is a flowchart illustrating a method for selecting a backhaul network device according to another embodiment of the present invention;
fig. 5 is a schematic structural diagram of an embodiment of a network service device provided in the present invention;
fig. 6 is a schematic structural diagram of another embodiment of a network service device provided in the present invention;
fig. 7 is a schematic structural diagram of a network service device according to still another embodiment of the present invention.
Detailed Description
The embodiment of the invention provides a method and equipment for selecting back-end network equipment.
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, those skilled in the art can obtain various other embodiments without creative efforts, which belong to the protection scope of the present invention.
The method for selecting a backend network device in the present invention is described below with an embodiment, and the method in the embodiment of the present invention is applied to a network environment shown in fig. 1-a, as shown in fig. 1-a, and includes: a front-end network device 10, a network service device 20 and a back-end network device 30. The front-end network device 10 is interconnected with the network service device 20 in a wired or wireless manner, and the network service device 20 is interconnected with the back-end network device 30 in a wired or wireless manner. Referring to fig. 1-b, a method for selecting a backhaul network device in an embodiment of the present invention includes:
101. the network service equipment receives an equipment resource information request message from the front-end network equipment;
the device resource information request message carries an identifier for indicating the type of the backend network device.
In an embodiment of the present invention, when the front-end network device selects a Gateway Gprs Support Node (GGSN), a gateway gprs Radio Service Support Node (MME), an evolved NodeB (eNB), an evolved NodeB (MME), a Base Station Controller (BSC), or a Radio Network Controller (RNC), selects an SGSN or a Mobile Switching Center (MSC), a Proxy Call Session Control Function (P-CSCF, Proxy Call Session Control Function) Node, the front-end network device sends a Service Call Session Control message to the front-end network device when the front-end network device selects a PGW, a gprs Service Support Node (SGSN), the GGSN, the evolved NodeB, or the RNC, the sip Node, and carrying an identifier for indicating the type of the back-end network equipment in the equipment resource information request message.
Optionally, the identifier indicating the type of the backend network device is a Fully Qualified Domain Name (FQDN) of the backend network device.
102. Acquiring current load state information of at least two pieces of back-end network equipment of corresponding types from an orchestrator according to the identifier carried in the equipment resource information request message;
the at least two back-end network devices and the front-end network device are in the same network.
Optionally, the embodiment of the present invention is also applied to a Network Function Virtualization (NFV) environment, where the front-end Network device is a virtual Network device, and the back-end Network device is a virtual Network device. In the NFV environment, an Orchestration and management domain (editing and management domain) is a core part of the entire NFV architecture, and the Orchestration and management domain can coordinate and allocate computing, storage and network resources required for the operation of a virtual network Function (vNF), creating a virtual operating environment of the vNF. For example, the resource requirements of a particular vNF are transmitted to an orchestrator (i.e., archer) in the orchestration and management domain, and the archer organizes resources such as networks, computation, and storage according to the requirements so that the particular vNF can operate normally, and simultaneously records the resource and load status information of the vNF. In the NFV environment, virtual Packet Data Network-Gateway (vPGW), virtual Gateway General Packet Radio Service Support Node (vgsm), virtual mobility Management Entity (vmmme), virtual General Packet Radio Service Support Node (vssgsn), virtual Mobile Switching Center (vMSC), and virtual Serving Call Session Control Function (vS-CSCF), the virtual Serving Call Session Control Function Node (vscscf), etc. are virtual Network nodes that perform the same functions as the nodes of vPGW, MME, SGSN, GGSN, and S-CSCF, and the above-described virtual Network state storage Node stores the real-time load information of the virtual Network in the real-time repository Network, and when the network service equipment receives the equipment resource information request message, acquiring the current load state information of at least two virtual network nodes of corresponding types from the Orcherstrator according to the identifier carried in the equipment resource information request message.
103. The network service equipment feeds back a response message to the front-end network equipment;
wherein the response message includes: the current load state information of the at least two back-end network devices, so that the front-end network device selects the back-end network device with the lightest load from the at least two back-end network devices to create the session.
Optionally, the network service device sorts, according to current load state information of the at least two backend network devices, address information of the at least two backend network devices according to load, for example, sorts address information of the at least two backend network devices according to a sequence from light load to heavy load, or sorts address information of the at least two backend network devices according to a sequence from heavy load to light load. The current load status information of each of the at least two pieces of backend network equipment includes address information of the backend network equipment itself, and the response message specifically includes: and the sequenced current load state information of the at least two back-end network devices. The Address information is, for example, an IP Address, a Media Access Control Address (MAC), or the like, and is not limited herein.
Optionally, the network service device may be a Domain name resolution system (DNS) server, or may also be an extension to the archerstrator, so that the archerstrator has a Function of the DNS server, that is, the network service device may also be the archerstrator, which is not limited herein.
It should be noted that the method for selecting a backend Network device in the embodiment of the present invention can be applied to a second generation mobile communication Network (i.e. 2G), a third generation mobile communication Network (i.e. 3G), a fourth generation mobile communication Network (i.e. 4G), an IP Multimedia Network Subsystem (IMS), or other mobile communication systems, and is not limited herein.
It can be seen from the foregoing technical solutions that, in the embodiment of the present invention, when receiving a device resource information request message sent by a front-end network device, a network service device acquires current load state information of at least two back-end network devices that are in the same network as the network service device and are of the same type as a back-end network device requested by the device resource information request message, and feeds back response information including the current load state information of the at least two back-end network devices to the front-end network device, and because the current load state information of the back-end network device is acquired and fed back, it can be ensured that the front-end network device selects the back-end network device with the lightest load according to the response message to create a session, thereby reducing the probability of system congestion and improving system capacity.
In the embodiment of the present invention, a DNS server queries an orecherstrator for load status information of a vPGW, please refer to fig. 2, and the method for selecting a backend network device in the embodiment of the present invention includes:
201. the vMME sends a DNS Query message to the DNS server;
the DNS Query message includes vPGW FQDN, so that the DNS server feeds back load status information of the corresponding vPGW.
202. The DNS server sends a vPGW load state information request message to an Orcherstrator;
when the DNS server receives the DNS Query message, the DNS server sends a vPGW load state information request message to an Orcherstrator through an NFV interface so as to acquire load state information of the vPGW.
Optionally, the vPGW load status information request message includes a vPGW ID list.
203. The Orcherstrator returns a vPGW load status response message to the DNS server;
the vPGW load state response message includes load state information of at least two vPGWs in the same network as the vMME.
In the embodiment of the invention, the orchelator maintains the resource state information of the vPGW in real time, wherein the resource state information of the vPGW includes load state information of the vPGW. When the Orcherstrator receives a vPGW load state information request message of the DNS, the Orcherstrator returns a vPGW load state response message to the DNS, and the vPGW load state response message carries the load state information of the at least two vPGWs.
Optionally, the orchetrator ranks the address information (e.g., IP addresses) of each vPGW according to load condition information of each vPGW, and ranks the address information (e.g., IP addresses) of each vPGW according to load weight when detecting that the load weight order of each vPGW maintained by the orchetrator changes.
Optionally, the load state information of each vPGW includes address information of the vPGW.
204. The DNS server returns a DNS Query response message to the vMME;
the DNS Query response message includes the load status information of the at least two vpgws acquired from the archerstrator.
Optionally, the DNS server sorts, according to the load status information of the at least two vpgws, the address information (e.g., IP addresses) of the at least two vpgws in order of light load (e.g., sorts the address information of the at least two vpgws in order of light load to heavy load, or sorts the address information of the at least two vpgws in order of heavy load to light load).
Optionally, the load state information of each vPGW includes address information of the vPGW, and the DNS server carries the sorted load state information of the at least two vpgws in the DNS queue response message.
205. The vMME selects the vPGW with the lightest load to establish a session according to the load state information of the at least two vPGWs;
the vmmme selects a vPGW with the lightest load to create a session according to the load state information of the at least two vpgws carried in the DNS Query response message, for example, if the DNS Query response message includes the load state information of the at least two vpgws sorted from light to heavy according to the load, the vmmme selects a first vPGW of the at least two vpgws to initiate a session creation request according to the DNS Query response message, so as to access the vPGW with the lightest load.
It should be noted that, in the embodiment of the present invention, a vmmme selects a vPGW as an example, and in an actual application, a specific implementation manner in which a vmsgsn selects a vgsm, an eNB selects a vmmme, a virtual Base station Controller (vBSC), or a virtual Radio Network Controller (vrcn), selects a vssgsn or a vMSC, and a virtual Proxy Call session control Function (vP-CSCF) node selects a vS-CSCF node may refer to the description in the method in the embodiment shown in fig. 2, which is not described herein again.
In the following, a method for selecting a backend network device in the embodiment of the present invention is described with reference to fig. 3, where in the embodiment of the present invention, an orecherstrator updates load status information of a vPGW in a DNS server, and the method for selecting a backend network device in the embodiment of the present invention includes:
301. the vMME sends a DNS Query message to the DNS server;
the DNS Query message includes vPGW FQDN, so that the DNS server feeds back load status information of the corresponding vPGW.
302. The DNS server locally acquires the load state information of at least two vPGWs which are in the same network with the vMME;
in the embodiment of the present invention, the DNS server stores load status information of the vPGW. And, the load status information of vPGW stored in the DNS server is maintained by the Orchestrator. The Orchestrator detects the load status of each vPGW in the same network as the Orchestrator (e.g., in the same Access Point (APN)). Optionally, when detecting that the load order of each vPGW changes, the Orchestrator updates the load status information of the vPGW stored in the DNS server.
Optionally, the DNS server sorts, according to the load condition information of each vPGW, address information (e.g., IP addresses) of each vPGW according to load, where the load state information of each vPGW includes the address information of the vPGW.
When the DNS server receives the DNS Query message, the DNS server locally acquires the load state information of at least two vPGWs which are in the same network with the vMME.
303. The DNS server returns a DNS Query response message to the vMME;
the DNS Query response message includes load status information of the at least two vpgws.
Optionally, if the DNS server ranks the address information (e.g., IP address) of each vPGW according to load, and the load state information of each vPGW includes the address information of the vPGW, the DNS server carries the ranked load state information of the at least two vpgws in the DNS Query response message.
304. The vMME selects the vPGW with the lightest load to establish a session according to the load state information of the at least two vPGWs;
the vmmme selects a vPGW with the lightest load to create a session according to the load state information of the at least two vpgws carried in the DNS Query response message, for example, if the DNS Query response message includes the load state information of the at least two vpgws sorted from light to heavy according to the load, the vmmme selects a first vPGW of the at least two vpgws to initiate a session creation request according to the DNS Query response message, so as to access the vPGW with the lightest load.
It should be noted that, in the embodiment of the present invention, selection of vPGW by vmes is taken as an example for description, in practical applications, a procedure of selecting a vgggsn by a vmsgsn, a vmes by an eNB, a vsbsc or a vmcn by a vMSC or a vMSC, and selecting a vS-CSCF node by a vP-CSCF node may be described with reference to the method in the embodiment shown in fig. 3, and details are not described here.
In another specific application scenario, a method for selecting a backend network device in the embodiment of the present invention is described below, in the embodiment of the present invention, referring to fig. 4, an archerstrator expands a function of a DNS server, where the method for selecting a backend network device in the embodiment of the present invention includes:
401. the vMME sends a DNS Query message to the Orcherstrator;
the DNS Query message includes fpgw FQDN, so that the archerstrator feeds back load status information of the corresponding vPGW.
402. The Orcherstrator locally acquires the load state information of at least two vPGWs in the same network with the vMME;
in the embodiment of the invention, the orchelator maintains the resource state information of the vPGW in real time, wherein the resource state information of the vPGW includes load state information of the vPGW. And when the Orcherstrator receives the DNS Query message, the Orcherstrator returns a DNS Query response message to the vMME, and the DNS Query response message carries the load state information of the at least two vPGWs.
Optionally, the orchetrator ranks the address information (e.g., IP addresses) of each vPGW according to load status of each vPGW, and ranks the address information (e.g., IP addresses) of each vPGW according to load weight when detecting that the load weight order of each vPGW maintained by the orcutter changes.
403. The Orcherstrator returns a DNS Query response message to the vMME;
the DNS Query response message includes the vPGW load status information obtained in step 402.
Optionally, if the orchetrator ranks the address information of each vPGW according to load weight and the load state information of each vPGW includes the address information of the vPGW, the orchetrator carries the ranked load state information of the at least two vpgws in the DNS Query response message.
404. The vMME selects the vPGW with the lightest load to establish a session according to the load state information of the at least two vPGWs;
the vmmme selects a vPGW with the lightest load to create a session according to the load state information of the at least two vpgws carried in the DNS Query response message, for example, if the DNS Query response message includes the load state information of the at least two vpgws sorted from light to heavy according to the load, the vmmme selects a first vPGW of the at least two vpgws to initiate a session creation request according to the DNS Query response message, so as to access the vPGW with the lightest load.
It should be noted that, in the embodiment of the present invention, selection of vPGW by vmes is taken as an example for description, in practical applications, a procedure of selecting a vgggsn by a vmsgsn, a vmes by an eNB, a vsbsc or a vmcn by a vMSC or a vMSC, and selecting a vS-CSCF node by a vP-CSCF node may be described with reference to the method in the embodiment shown in fig. 4, and details are not described here.
Referring to fig. 5, a network service device 500 in an embodiment of the present invention includes:
a receiving unit 501, configured to receive a device resource information request message from a front-end network device, where the device resource information request message carries an identifier for indicating a type of a back-end network device.
In the embodiment of the invention, when the front-end network equipment selects the accessed back-end network equipment (for example, when MME selects PGW, SGSN selects GGSN, eNB selects MME, BSC/RNC selects SGSN/MSC, P-CSCF node selects S-CSCF node), the front-end network equipment sends a device resource information request message to the network service equipment. The receiving unit 501 receives a device resource information request message. Optionally, the identifier indicating the type of the backend network device is an FQDN of the backend network device.
An obtaining unit 502, configured to obtain, from the orchestrator, current load state information of at least two pieces of backend network devices of corresponding types according to an identifier carried in the device resource information request message received by the receiving unit 501, where the at least two pieces of backend network devices and the frontend network device are in the same network;
optionally, the front-end network device is an MME, and the back-end network device is a PGW; or, the front-end network device is an SGSN, and the back-end network device is a GGSN; or, the front-end network device is an eNB, and the back-end network device is an MME; or, the front-end network device is a BSC, and the back-end network device is an SGSN; or, the front-end network device is an RNC, and the back-end network device is an MSC; or, the front-end network device is a P-CSCF device, and the back-end network device is an S-CSCF device.
Optionally, when the network device 500 in the embodiment of the present invention is applied in an NFV environment, the front-end network device is a virtual network device, and the back-end network device is a virtual network device. In the NFV environment, the orchestration and management domain is a core part of the entire NFV architecture, and the orchestration and management domain can coordinate and allocate computing, storage, and network resources required for vNF operation, creating a virtual operating environment for vNF. For example, the resource requirements of a particular vNF are transmitted to an orchestrator (i.e., archer) in the orchestration and management domain, and the archer organizes resources such as networks, computation, and storage according to the requirements so that the particular vNF can operate normally, and simultaneously records the resource and load status information of the vNF. In the NFV environment, vPGW, vgggsn, vmmme, vssgsn, vMSC, and vS-CSCF nodes are virtual network nodes and perform the same functions as the PGW, GGSN, MME, SGSN, MSC, and S-CSCF nodes. In this embodiment of the present invention, the load status information of the virtual network node is stored in the archerstrator, and the archerstrator updates the locally stored load status information of the virtual network node in real time, so that when the receiving unit 501 receives the device resource information request message, the obtaining unit 502 obtains the current load status information of at least two virtual network nodes of corresponding types from the archerstrator according to the identifier carried in the device resource information request message.
A sending unit 503, configured to feed back a response message to the front-end network device, where the response message includes: the obtaining unit 502 obtains the current load status information of the at least two backend network devices, so that the front-end network device selects a backend network device with the lightest load from the at least two backend network devices to create a session.
Optionally, on the basis of the embodiment shown in fig. 5, as shown in fig. 6, the network service apparatus 600 further includes: a sorting unit 504, configured to sort, according to current load state information of the at least two backend network devices, address information of the at least two backend network devices according to load, where the current load state information of each of the at least two backend network devices includes: address information of the back-end network device itself; the response message specifically includes: the sorting unit 504 sorts the current load status information of the at least two backend network devices.
Optionally, the network service device in the embodiment of the present invention is a DNS server, or the archerstrator may also be extended, so that the archerstrator has a function of the DNS server, that is, the network service device in the embodiment of the present invention may also be the archerstrator, which is not limited herein.
It should be noted that the network service device in the embodiment of the present invention can be applied to a second generation mobile communication network (i.e. 2G), a third generation mobile communication network (i.e. 3G), a fourth generation mobile communication network (i.e. 4G), an IMS system or other mobile communication systems, and is not limited herein.
It should be noted that the network service device in the embodiment of the present invention may be the network service device in the above method embodiment, and may be configured to implement all technical solutions in the above method embodiment, and the functions of each functional module may be specifically implemented according to the method in the above method embodiment, and a specific implementation process of the functional module may refer to relevant descriptions in the above embodiment, which is not described herein again.
It can be seen from the foregoing technical solutions that, in the embodiment of the present invention, when receiving a device resource information request message sent by a front-end network device, a network service device acquires current load state information of at least two back-end network devices that are in the same network as the network service device and are of the same type as a back-end network device requested by the device resource information request message, and feeds back response information including the current load state information of the at least two back-end network devices to the front-end network device, and because the current load state information of the back-end network device is acquired and fed back, it can be ensured that the front-end network device selects the back-end network device with the lightest load according to the response message to create a session, thereby reducing the probability of system congestion and improving system capacity.
An embodiment of the present invention further provides a computer storage medium, where the computer storage medium stores a program that executes a part or all of the arrangement including one of the methods of selecting a backend network device described in the above-described method embodiments.
An embodiment of the present invention provides another network service device, where the network service device in the embodiment of the present invention includes a processor, and optionally, as shown in fig. 7, the network service device 700 includes, in addition to the processor 701, further:
an interface 702 for communicating with external devices, and a memory 703. In some embodiments of the invention, the interface 702, the memory 703, and the processor 701 may be connected by a bus or other means, such as by a bus as shown in FIG. 7. The memory 703 is used for storing information such as files necessary for the processor 701 to process data.
Wherein the processor 701 is configured to: receiving a device resource information request message from a front-end network device, wherein the device resource information request message carries an identifier for indicating the type of a back-end network device; acquiring current load state information of at least two back-end network devices of corresponding types from a composer according to the device resource information request message, wherein the at least two back-end network devices and the front-end network device are in the same network; feeding back a response message to the front-end network device, where the response message includes: and the obtained current load state information of the at least two pieces of back-end network equipment is used for the front-end network equipment to select the back-end network equipment with the lightest load from the at least two pieces of back-end network equipment to create the session.
Optionally, the processor 703 is further configured to: according to the current load state information of the at least two pieces of back-end network equipment, sorting the address information of the at least two pieces of back-end network equipment according to load weight, wherein the current load state information of each piece of back-end network equipment in the at least two pieces of back-end network equipment comprises: the address information of the back-end network device itself, the response message specifically includes: the processor 703 sorts the current load status information of the at least two backend network devices.
Optionally, the network service device in the embodiment of the present invention is a DNS server, or the archerstrator may also be extended, so that the archerstrator has a function of the DNS server, that is, the network service device in the embodiment of the present invention may also be the archerstrator, which is not limited herein.
It should be noted that the network service device in the embodiment of the present invention can be applied to a second generation mobile communication network (i.e. 2G), a third generation mobile communication network (i.e. 3G), a fourth generation mobile communication network (i.e. 4G), an IMS system or other mobile communication systems, and is not limited herein.
It should be noted that the network service device in the embodiment of the present invention may be the network service device in the above method embodiment, and may be configured to implement all technical solutions in the above method embodiment, and the functions of each functional module may be specifically implemented according to the method in the above method embodiment, and a specific implementation process of the functional module may refer to relevant descriptions in the above embodiment, which is not described herein again.
It can be seen from the foregoing technical solutions that, in the embodiment of the present invention, when receiving a device resource information request message sent by a front-end network device, a network service device acquires current load state information of at least two back-end network devices that are in the same network as the network service device and are of the same type as a back-end network device requested by the device resource information request message, and feeds back response information including the current load state information of the at least two back-end network devices to the front-end network device, and because the current load state information of the back-end network device is acquired and fed back, it can be ensured that the front-end network device selects the back-end network device with the lightest load according to the response message to create a session, thereby reducing the probability of system congestion and improving system capacity.
In the several embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the above-described division of units is only one type of division of logical functions, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit may be stored in a computer-readable storage medium if it is implemented in the form of a software functional unit and sold or used as a separate product. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the above method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
It should be noted that, for the sake of simplicity, the above-mentioned method embodiments are described as a series of acts or combinations, but those skilled in the art should understand that the present invention is not limited by the described order of acts, as some steps may be performed in other orders or simultaneously according to the present invention. Further, those skilled in the art will appreciate that the embodiments described in the specification are presently preferred and that no acts or modules are necessarily required of the invention.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
The method and the device for selecting a backend network device provided by the present invention are described in detail above, and for those skilled in the art, according to the idea of the embodiment of the present invention, there may be changes in the specific implementation and application scope, and in summary, the content of the present specification should not be construed as limiting the present invention.
Claims (10)
1. A method of selecting a backend network device, comprising:
the network service equipment receives an equipment resource information request message from front-end network equipment, wherein the equipment resource information request message carries an identifier for indicating the type of the back-end network equipment;
the network service equipment acquires the current load state information of at least two back-end network equipment of corresponding types from an orchestrator according to the identifier carried in the equipment resource information request message, wherein the at least two back-end network equipment and the front-end network equipment are in the same network;
the network service equipment feeds back a response message to the front-end network equipment, wherein the response message comprises current load state information of the at least two back-end network equipment, so that the front-end network equipment selects the back-end network equipment with the lightest load from the at least two back-end network equipment to create a session;
the front-end network equipment is a Mobile Management Entity (MME), and the back-end network equipment is a packet data network gateway (PGW);
or,
the front-end network equipment is an evolved node B (eNB), and the rear-end network equipment is a Mobile Management Entity (MME);
or,
the front-end network equipment is a base station controller BSC, and the rear-end network equipment is SGSN;
or,
the front-end network equipment is a Radio Network Controller (RNC), and the rear-end network equipment is a Mobile Switching Center (MSC);
or,
the front-end network equipment is proxy call session control function (P-CSCF) equipment, and the back-end network equipment is service call session control function (S-CSCF) equipment.
2. The method of claim 1, further comprising:
the network service equipment sorts the address information of the at least two back-end network equipment according to the current load state information of the at least two back-end network equipment according to load weight, wherein the current load state information of each back-end network equipment in the at least two back-end network equipment comprises the address information of the back-end network equipment;
the response message specifically includes: the sorted current load state information of the at least two back-end network devices.
3. The method according to claim 1 or 2,
the method is applied to a network function virtualization system, the front-end network device is a virtual network device, and the back-end network device is a virtual network device.
4. The method of claim 3, wherein the network service device is a Domain Name Server (DNS) or the orchestrator.
5. A network service device, comprising:
a receiving unit, configured to receive a device resource information request message from a front-end network device, where the device resource information request message carries an identifier for indicating a type of a back-end network device;
an obtaining unit, configured to obtain, from an orchestrator, current load state information of at least two pieces of backend network devices of corresponding types according to the identifier carried in the device resource information request message, where the at least two pieces of backend network devices and the front-end network device are in the same network;
a sending unit, configured to feed back a response message to the front-end network device, where the response message includes: the obtained current load state information of the at least two back-end network devices is used for the front-end network device to select the back-end network device with the lightest load from the at least two back-end network devices to establish a session;
the front-end network equipment is a Mobile Management Entity (MME), and the back-end network equipment is a packet data network gateway (PGW);
or,
the front-end network equipment is an evolved node B (eNB), and the rear-end network equipment is a Mobile Management Entity (MME);
or,
the front-end network equipment is a base station controller BSC, and the rear-end network equipment is SGSN;
or,
the front-end network equipment is a Radio Network Controller (RNC), and the rear-end network equipment is a Mobile Switching Center (MSC);
or,
the front-end network equipment is proxy call session control function (P-CSCF) equipment, and the back-end network equipment is service call session control function (S-CSCF) equipment.
6. The network serving apparatus of claim 5,
the network service device further comprises:
the sorting unit is used for sorting the address information of the at least two back-end network devices according to the current load state information of the at least two back-end network devices according to the load weight, wherein the current load state information of each back-end network device in the at least two back-end network devices comprises the address information of the back-end network device; the response message specifically includes: the sorted current load state information of the at least two back-end network devices.
7. The network service device of claim 5 or 6,
the network service equipment is applied to a network function virtualization system, the front-end network equipment is virtual network equipment, and the rear-end network equipment is virtual network equipment.
8. A network service device, comprising: a processor, an interface for communicating with an external device, and a memory;
the processor is configured to: receiving a device resource information request message from a front-end network device, wherein the device resource information request message carries an identifier for indicating the type of a back-end network device; acquiring current load state information of at least two back-end network devices of corresponding types from an orchestrator according to the identifier carried in the device resource information request message, wherein the at least two back-end network devices and the front-end network device are in the same network; feeding back a response message to the front-end network device, wherein the response message comprises: the current load state information of the at least two back-end network devices is used for the front-end network device to select the back-end network device with the lightest load from the at least two back-end network devices to create a session, the front-end network device is an MME, and the back-end network device is a PGW;
or,
the front-end network equipment is eNB, and the back-end network equipment is MME;
or,
the front-end network equipment is BSC, and the back-end network equipment is SGSN;
or,
the front-end network equipment is an RNC (radio network controller), and the rear-end network equipment is an MSC (mobile switching center);
or,
the front-end network equipment is P-CSCF equipment, and the back-end network equipment is S-CSCF equipment.
9. The network serving apparatus of claim 8,
the processor is further configured to: according to the current load state information of the at least two pieces of rear-end network equipment, sorting the address information of the at least two pieces of rear-end network equipment according to the load weight, wherein the current load state information of each piece of rear-end network equipment in the at least two pieces of rear-end network equipment comprises the address information of the rear-end network equipment;
the response message specifically includes: the sorted current load state information of the at least two back-end network devices.
10. The network service device of claim 8 or 9,
the network service equipment is applied to a network function virtualization system, the front-end network equipment is virtual network equipment, and the rear-end network equipment is virtual network equipment.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2013/088498 WO2015081509A1 (en) | 2013-12-04 | 2013-12-04 | Method for selecting back-end network device, and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105027507A CN105027507A (en) | 2015-11-04 |
| CN105027507B true CN105027507B (en) | 2018-11-20 |
Family
ID=53272739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201380002985.5A Active CN105027507B (en) | 2013-12-04 | 2013-12-04 | A kind of method and apparatus selecting back-end network equipment |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105027507B (en) |
| WO (1) | WO2015081509A1 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103188650A (en) * | 2011-12-28 | 2013-07-03 | 电信科学技术研究院 | Gateway selection method and equipment |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1587272A1 (en) * | 2004-04-13 | 2005-10-19 | Alcatel | Method and apparatus for load distribution in a wireless data network |
| CN1968166A (en) * | 2005-11-18 | 2007-05-23 | 联通新时讯通信有限公司 | Network structure-based intelligent terminal application system |
| US8639813B2 (en) * | 2008-11-25 | 2014-01-28 | Citrix Systems, Inc. | Systems and methods for GSLB based on SSL VPN users |
| US20130275968A1 (en) * | 2012-04-17 | 2013-10-17 | Petio Petev | Application management methods and systems |
| CN103067528B (en) * | 2013-01-31 | 2017-04-19 | 汉柏科技有限公司 | Load balancing method and system for realizing multi-platform distributed virtual application |
-
2013
- 2013-12-04 CN CN201380002985.5A patent/CN105027507B/en active Active
- 2013-12-04 WO PCT/CN2013/088498 patent/WO2015081509A1/en active Application Filing
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103188650A (en) * | 2011-12-28 | 2013-07-03 | 电信科学技术研究院 | Gateway selection method and equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105027507A (en) | 2015-11-04 |
| WO2015081509A1 (en) | 2015-06-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3481017B1 (en) | Network slice selection method, apparatus and system | |
| US11665227B2 (en) | System and method for intelligently managing sessions in a mobile network | |
| US11997531B2 (en) | Dynamic selection of network elements | |
| US9386077B2 (en) | Enhanced virtualized mobile gateway in cloud computing environment | |
| EP3528447B1 (en) | Communication method and apparatus | |
| US10306007B2 (en) | Cache content hit method and communications system | |
| US9848359B2 (en) | Method for obtaining serving gateway, mobility management node, data gateway, and system | |
| CN111212134A (en) | Request message processing method and device, edge computing system and electronic equipment | |
| US8605656B2 (en) | Method and apparatus for local gateway assignment in wireless networks | |
| CN105027663B (en) | Processing method of communication data, device and system | |
| US10855645B2 (en) | EPC node selection using custom service types | |
| CN104954431A (en) | Network selection method, device and system | |
| CN106027354B (en) | The reflow method and device of VPN client | |
| CN109246024B (en) | Method, device, terminal equipment and storage medium for load sharing in networking | |
| US10225191B2 (en) | Service packet distribution method and apparatus | |
| CN104301294B (en) | A kind of response method, device and the network side equipment of DNS query request | |
| CN112532764A (en) | Data acquisition method and device | |
| CN105027507B (en) | A kind of method and apparatus selecting back-end network equipment | |
| CN113873502B (en) | IP address management method, NEF entity and communication system | |
| CN104639509A (en) | Service processing method and device | |
| US11039501B2 (en) | Converged controller selection method, device, and converged controller selection system | |
| KR102705525B1 (en) | Communication methods and devices, entities and storage media | |
| WO2023056954A1 (en) | Domain name system (dns) query method and apparatus, and network side device | |
| CN118055099A (en) | IP address allocation method, device, network element and storage medium | |
| CN116112467A (en) | Message processing system, method, device and equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |