CN112566183A - SDN controller capable of automatically turning on 5G transmission circuit - Google Patents
SDN controller capable of automatically turning on 5G transmission circuit Download PDFInfo
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- CN112566183A CN112566183A CN202011308266.4A CN202011308266A CN112566183A CN 112566183 A CN112566183 A CN 112566183A CN 202011308266 A CN202011308266 A CN 202011308266A CN 112566183 A CN112566183 A CN 112566183A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/08—Load balancing or load distribution
- H04W28/082—Load balancing or load distribution among bearers or channels
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/46—Interconnection of networks
- H04L12/4633—Interconnection of networks using encapsulation techniques, e.g. tunneling
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/46—Interconnection of networks
- H04L12/4641—Virtual LANs, VLANs, e.g. virtual private networks [VPN]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0803—Configuration setting
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/04—Arrangements for maintaining operational condition
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W40/00—Communication routing or communication path finding
- H04W40/02—Communication route or path selection, e.g. power-based or shortest path routing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
An SDN controller for automatically opening a 5G transmission circuit comprises a super controller SC which is embedded in a transmission operation and maintenance workbench and used for controlling issuing, wherein six operation capabilities of creating an SR tunnel in a packaging mode, adding a UPE node on an L3VPN service, binding the SR tunnel on the L3VPN service, creating a sub-interface, adding a sub-interface local route and enabling a sub-interface DHCP Relay are adopted in the SC, so that a manual opening mode can be replaced by an automatic opening mode, the opening difficulty of the 5G transmission circuit is greatly reduced, and the configuration error rate is reduced.
Description
Technical Field
The invention relates to an SPN transmission Network technology, wherein the SPN is a Slicing Packet Network (Slicing Packet Network), in particular to an SDN controller for automatically opening a 5G transmission circuit, 5G is a fifth generation mobile communication technology (5G, 5th generation mobile networks), and SDN is a Software Defined Network (Software Defined Network), the SDN controller comprises a super controller SC embedded in a transmission operation and maintenance workbench and used for controlling issuing, six operation capabilities of creating an SR tunnel in a packaging manner in the SC, adding a UPE node on an L3VPN service, binding an SR tunnel on the L3VPN service, creating a subinterface, adding a local routing of the subinterface and enabling a subinterface Relay (DHCP) are realized, and an automatic opening manner can be used for replacing a manual opening manner, so that the opening difficulty of the 5G transmission circuit is greatly reduced, and the configuration error rate is reduced.
Background
The SPN is a short name of sliding Packet Network (sliced Packet Network), and is a technical architecture proposed for 5G transmission. The 5G transmission network mainly adopts SPN equipment for networking construction, and can meet the requirements of 5G services on large bandwidth, low time delay and hard slicing. The SPN adopts end-to-end L3VPN networking, more IP network maintenance knowledge is introduced, and a traditional transmission operation and maintenance engineer does not have SPN network maintenance capability. The configuration of the 5G transmission circuit is mainly performed around L3VPN traffic, SR tunnels, sub-interfaces, which objects represent different levels of traffic isolation.
At present, the configuration steps of the 5G transmission circuit are relatively complicated, and on the basis of basic configuration, SR tunnels need to be created, UPE nodes need to be added to L3VPN services, SR tunnels need to be bound to L3VPN services, sub-interfaces need to be created, local routes of the sub-interfaces need to be added, and DHCP relays need to be enabled. The above steps require the operation and maintenance engineer to operate on the network manager in sequence. The 5G transmission circuit in the prior art is opened manually, the complexity is high, and configuration errors are possible.
Disclosure of Invention
Aiming at the defects or shortcomings in the prior art, the invention provides the SDN controller for automatically opening the 5G transmission circuit, which comprises a super controller SC embedded in a transmission operation and maintenance workbench and used for controlling issuing, wherein six operation capabilities of packaging and establishing an SR tunnel, adding a UPE node on an L3VPN service, binding the SR tunnel on the L3VPN service, establishing a sub-interface, adding a local route of the sub-interface and enabling a DHCP Relay of the sub-interface are adopted, so that a manual opening mode can be replaced by an automatic opening mode, the difficulty in opening the 5G transmission circuit is greatly reduced, and the configuration error rate is reduced.
The technical solution of the invention is as follows:
an SDN controller for automatically turning on a 5G transmission circuit is characterized by comprising a super controller SC embedded in a transmission operation and maintenance workbench and used for controlling issuing, wherein the SC is packaged with the following operation capabilities: creating a Segment Routing (SR) tunnel, adding a user side node (UPE) on a three-layer virtual private network (L3 VPN) service, binding the SR tunnel on the L3VPN service, creating a sub-interface, adding a sub-interface local route, and enabling a Dynamic Host Configuration Protocol (DHCP) Relay of the sub-interface.
The morphological structure of the three-layer virtual private network L3VPN service comprises two network side nodes NPE, two service side nodes SPE and a user side node UPE, wherein the first NPE is respectively connected with the second NPE, the first SPE and the second SPE through optical fibers, the second NPE is respectively connected with the first SPE and the second SPE through the optical fibers, the first SPE is connected with the second SPE through the optical fibers, and the UPE is respectively connected with the first SPE and the second SPE through the optical fibers.
And a created first SR tunnel is arranged between the UPE and the first SPE, a created second SR tunnel is arranged between the UPE and the second SPE, and the first SR tunnel and the second SR tunnel are bound with the L3VPN service.
Adding a user side node UPE on the L3VPN service of the three-layer virtual private network means that an SPN device is newly built and connected with a 5G base station while the 5G base station is newly built, the SPN device is the UPE, and the UPE is added into the L3VPN service to be in service intercommunication with the SPE and the NPE; the creation of the subinterfaces refers to configuring information of VLAN, IP address and mask on a certain physical port of the UPE; adding the local routing of the subinterface refers to setting routing information on the subinterface so as to realize the intercommunication of node equipment; and the dynamic host configuration protocol of the enabled subinterface relays a DHCP Relay so as to send a DHCP message of the 5G base station to the core network equipment through the UPE.
And the super controller SC receives the 5G transmission circuit opening work order and then carries out automatic 5G transmission circuit opening according to the work order information.
The automatic 5G transmission circuit is switched on and comprises the following steps: step 1, the super controller SC judges whether UPE is added into L3VPN service, if not, then automatically executes creating segmented routing SR tunnel in turn, adds user side node UPE on three-layer virtual private network L3VPN service, binds the SR tunnel on the L3VPN service, creates sub-interface, adds sub-interface local route and enables sub-interface dynamic host configuration protocol Relay DHCP Relay, if added, then automatically executes creating sub-interface, adding sub-interface local route and enables sub-interface dynamic host configuration protocol Relay DHCP Relay in turn.
The invention has the following technical effects: the SDN controller for automatically switching on the 5G transmission circuit changes the mode that the 5G transmission circuit is switched on in a manual mode in the prior art, adopts an automatic switching-on mode, improves the switching-on efficiency, and reduces the configuration error rate.
Drawings
Fig. 1 is a schematic diagram of an L3VPN service configuration structure related to an SDN controller for automatically opening a 5G transmission circuit according to the present invention. 5G is a fifth generation mobile communication technology (5G), SDN is a Software Defined Network (Software Defined Network), L3 is a three-layer path, and VPN is a Virtual Private Network (Virtual Private Network). In fig. 1, the L3VPN is a three-layer Virtual Private Network (L3-Virtual Private Network), the NPE is a Network side node, the SPE is a service side node, the OF is an optical fiber, the UPE is a user side node, and the SR tunnel is a segment routing tunnel (SR).
Detailed Description
The invention is described below with reference to the accompanying drawings (fig. 1) and examples.
Fig. 1 is a schematic diagram of an L3VPN service configuration structure related to an SDN controller for automatically opening a 5G transmission circuit according to the present invention. Referring to fig. 1, an SDN controller for automatically turning on a 5G transmission circuit includes a super controller SC embedded in a transmission operation and maintenance workbench for controlling issuing, where the SC is packaged with the following operation capabilities: creating a Segment Routing (SR) tunnel, adding a user side node (UPE) on a three-layer virtual private network (L3 VPN) service, binding the SR tunnel on the L3VPN service, creating a sub-interface, adding a sub-interface local route, and enabling a Dynamic Host Configuration Protocol (DHCP) Relay of the sub-interface. The morphological structure OF the three-layer virtual private network L3VPN service comprises two network side nodes NPE, two service side nodes SPE and a user side node UPE, wherein the first NPE is respectively connected with the second NPE, the first SPE and the second SPE through an optical fiber OF, the second NPE is respectively connected with the first SPE and the second SPE through optical fibers, the first SPE is connected with the second SPE through optical fibers, and the UPE is respectively connected with the first SPE and the second SPE through optical fibers. And a created first SR tunnel is arranged between the UPE and the first SPE, a created second SR tunnel is arranged between the UPE and the second SPE, and the first SR tunnel and the second SR tunnel are bound with the L3VPN service. Adding a user side node UPE on the L3VPN service of the three-layer virtual private network means that an SPN device is newly built and connected with a 5G base station while the 5G base station is newly built, the SPN device is the UPE, and the UPE is added into the L3VPN service to be in service intercommunication with the SPE and the NPE; the creation of the subinterfaces refers to configuring information of VLAN, IP address and mask on a certain physical port of the UPE; adding the local routing of the subinterface refers to setting routing information on the subinterface so as to realize the intercommunication of node equipment; and the dynamic host configuration protocol of the enabled subinterface relays a DHCP Relay so as to send a DHCP message of the 5G base station to the core network equipment through the UPE. And the super controller SC receives the 5G transmission circuit opening work order and then carries out automatic 5G transmission circuit opening according to the work order information. The automatic 5G transmission circuit is switched on and comprises the following steps: step 1, the super controller SC judges whether UPE is added into L3VPN service, if not, then automatically executes creating segmented routing SR tunnel in turn, adds user side node UPE on three-layer virtual private network L3VPN service, binds the SR tunnel on the L3VPN service, creates sub-interface, adds sub-interface local route and enables sub-interface dynamic host configuration protocol Relay DHCP Relay, if added, then automatically executes creating sub-interface, adding sub-interface local route and enables sub-interface dynamic host configuration protocol Relay DHCP Relay in turn.
The SDN controller for automatically opening the 5G transmission circuit is characterized in that a Super Controller (SC) encapsulates six operation capabilities of creating an SR tunnel, adding a UPE node on L3VPN service, binding the SR tunnel on the L3VPN service, creating a sub-interface, adding a local route of the sub-interface and enabling a DHCP Relay of the sub-interface. And after the Super Controller (SC) receives the 5G transmission circuit opening work order, the automatic 5G transmission circuit opening is carried out according to the work order information. The Super Controller (SC) first determines whether a UPE node has been added to the L3VPN service. If the UPE node is not added to the L3VPN service, the Super Controller (SC) needs to automatically execute six operations of creating an SR tunnel, adding the UPE node to the L3VPN service, binding the SR tunnel to the L3VPN service, creating a sub-interface, adding a local route of the sub-interface and enabling a DHCP Relay of the sub-interface in sequence; if the UPE node is added to the L3VPN service, only three operations of creating the subinterface, adding the local route of the subinterface and enabling the subinterface DHCP Relay need to be automatically executed in sequence.
The existing 5G transmission circuit is opened by sequentially operating the steps on a network manager in a manual mode to carry out configuration. Such steps are cumbersome and complex and have a certain error probability, which puts high demands on the operation and maintenance engineer. The invention provides an SDN controller for automatically opening a 5G transmission circuit, which is used for solving the problem of complex opening of the 5G transmission circuit. The technical scheme of the invention is as follows: a Super Controller (SC) is embedded in a transmission operation and maintenance workbench for controlling issuing, is already in commercial use in many provinces at present, and is mainly applied to management and control of a PTN network to support a 4G transmission circuit opening scene. The Super Controller (SC) provides six operation capabilities of creating an SR tunnel, adding a UPE node on an L3VPN service, binding the SR tunnel on the L3VPN service, creating a sub-interface, adding a sub-interface local route and enabling a sub-interface DHCP Relay for meeting the automatic opening scene of the 5G transmission circuit. After a Super Controller (SC) accepts a new 5G transmission circuit, judging whether a UPE node is added to an L3VPN service, if not, automatically executing six operations of creating an SR tunnel, adding the UPE node to the L3VPN service, binding the SR tunnel to the L3VPN service, creating a sub-interface, adding a sub-interface local route and enabling a sub-interface DHCP Relay in sequence; if the sub-interface is added, only three operations of creating the sub-interface, adding the local route of the sub-interface and enabling the sub-interface DHCP Relay need to be automatically executed in sequence. Compared with the original manual opening mode, the technical advantage of the present application is that the Super Controller (SC) can automatically execute the step of opening all 5G transmission circuits, thereby releasing a large amount of operation and maintenance manpower and reducing the configuration error rate.
Fig. 1 is a service form of an L3VPN, where the L3VPN carrying a 5G transmission circuit is a layered L3VPN and includes three role nodes NPE, SPE, and UPE, and in the figure, the three role nodes NPE, SPE, and UPE are all SPN devices, but their roles in a network are different. The configuration on the NPE and SPE nodes is basic configuration, which is generally configured once when opening an office, and the change in the later maintenance process is less, which is not described in detail here. The UPE node is docked with the 5G base station with the largest number and configuration workload, and each step of opening the 5G transmission circuit described herein is mainly expanded around the UPE node. In the figure, solid lines among all nodes of NPE, SPE and UPE are optical fiber connections, and two dotted lines between a UPE node and a pair of SPEs are SR tunnels.
The 5G transmission circuit opening step comprises the following steps: creating an SR tunnel, adding a UPE node on the L3VPN service, binding the SR tunnel on the L3VPN service, creating a sub-interface, adding a local route of the sub-interface and enabling a DHCP Relay of the sub-interface. The method comprises the following steps that an SR tunnel is created, wherein the SR tunnel is created from a UPE node to a pair of SPE nodes; "add UPE node on L3VPN business" means that when newly building 5G base station, will newly build one end SPN equipment and 5G base station butt joint, the SPN equipment is UPE node, UPE node must add to L3VPN business, just will carry on the business intercommunication with SPE, NPE node in the L3VPN business; "binding SR tunnels on L3VPN service" means that two SR tunnels from the UPE node created in the first step to a pair of SPE nodes are bound together with L3VPN service; "create sub-interface" means configuring information such as VLAN, IP address, mask on a certain physical port of the UPE node; "add sub-interface local route" means that route information is set on the sub-interface, and the route can be communicated with other node devices after the route is configured; the 'enabling sub-interface DHCP Relay' can enable the DHCP message of the 5G base station to be sent to the core network equipment through the UPE sub-interface.
The Super Controller (SC) provides six operation capabilities of creating an SR tunnel, adding a UPE node on L3VPN service, binding the SR tunnel on the L3VPN service, creating a sub-interface, adding a local route of the sub-interface and enabling a DHCP Relay of the sub-interface. And when the Super Controller (SC) receives the opening work order, automatically configuring the 5G transmission circuit according to the work order information. The method comprises the steps that a Super Controller (SC) judges whether a UPE node is added to an L3VPN service or not, if the UPE node is not added, six operations of creating an SR tunnel, adding the UPE node to the L3VPN service, binding the SR tunnel to the L3VPN service, creating a sub-interface, adding a sub-interface local route and enabling a sub-interface DHCP Relay are automatically executed in sequence; if the sub-interface is added, only three operations of creating the sub-interface, adding the local route of the sub-interface and enabling the sub-interface DHCP Relay need to be automatically executed in sequence.
Those skilled in the art will appreciate that the invention may be practiced without these specific details. It is pointed out here that the above description is helpful for the person skilled in the art to understand the invention, but does not limit the scope of protection of the invention. Any such equivalents, modifications and/or omissions as may be made without departing from the spirit and scope of the invention may be resorted to.
Claims (6)
1. An SDN controller for automatically turning on a 5G transmission circuit is characterized by comprising a super controller SC embedded in a transmission operation and maintenance workbench and used for controlling issuing, wherein the SC is packaged with the following operation capabilities: creating a Segment Routing (SR) tunnel, adding a user side node (UPE) on a three-layer virtual private network (L3 VPN) service, binding the SR tunnel on the L3VPN service, creating a sub-interface, adding a sub-interface local route, and enabling a Dynamic Host Configuration Protocol (DHCP) Relay of the sub-interface.
2. The SDN controller according to claim 1, wherein the morphological structure of the L3VPN service includes two network side nodes NPE, two service side nodes SPE, and a user side node UPE, the first NPE is respectively connected to the second NPE, the first SPE, and the second SPE through optical fibers, the second NPE is respectively connected to the first SPE and the second SPE through optical fibers, the first SPE is connected to the second SPE through optical fibers, and the UPE is respectively connected to the first SPE and the second SPE through optical fibers.
3. The SDN controller for automatically provisioning 5G transport circuitry as recited in claim 2, wherein the UPE has a first SR tunnel created between the UPE and the first SPE, wherein the UPE has a second SR tunnel created between the UPE and the second SPE, and wherein the first SR tunnel and the second SR tunnel are both bound to the L3VPN traffic.
4. The SDN controller that automatically turns on a 5G transmission circuit according to claim 1, wherein adding a user side node UPE to a L3VPN service in a three-layer virtual private network means that an SPN device is newly built while a 5G base station is newly built and is in butt joint with the 5G base station, the SPN device is the UPE, and the UPE is added to the L3VPN service and performs service interworking with the SPE and the NPE; the creation of the subinterfaces refers to configuring information of VLAN, IP address and mask on a certain physical port of the UPE; adding the local routing of the subinterface refers to setting routing information on the subinterface so as to realize the intercommunication of node equipment; and the dynamic host configuration protocol of the enabled subinterface relays a DHCP Relay so as to send a DHCP message of the 5G base station to the core network equipment through the UPE.
5. The SDN controller for automatically turning on a 5G transmission circuit according to claim 1, wherein the super controller SC receives a 5G transmission circuit turn-on work order and then performs automatic 5G transmission circuit turn-on according to work order information.
6. The SDN controller for automatically turning on 5G transport circuits according to claim 5, wherein the automatic 5G transport circuit turning on comprises the steps of: step 1, the super controller SC judges whether UPE is added into L3VPN service, if not, then automatically executes creating segmented routing SR tunnel in turn, adds user side node UPE on three-layer virtual private network L3VPN service, binds the SR tunnel on the L3VPN service, creates sub-interface, adds sub-interface local route and enables sub-interface dynamic host configuration protocol Relay DHCP Relay, if added, then automatically executes creating sub-interface, adding sub-interface local route and enables sub-interface dynamic host configuration protocol Relay DHCP Relay in turn.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113692020A (en) * | 2021-07-28 | 2021-11-23 | 北京直真科技股份有限公司 | Automatic opening method for 5G private network transmission sub-slice |
| CN113873548A (en) * | 2021-09-03 | 2021-12-31 | 中盈优创资讯科技有限公司 | One-key opening method and device for white box equipment |
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