CN109067592B - Intelligent management and control device and method for intelligent power distribution and utilization - Google Patents
Intelligent management and control device and method for intelligent power distribution and utilization Download PDFInfo
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
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Abstract
The invention provides an intelligent management and control device and a management and control method for intelligent power distribution and utilization. The route of the backbone communication layer is gathered, stored and forwarded by the nodes, active probes are added, and the active monitoring of the service information is realized by adopting a network layer VPN (virtual private network) dial testing technology. In a terminal access layer, aiming at the transmission conditions of communication service streams such as PLC, EPON and a wireless network, distributed passive probes are added at the head end of a PLC network, an ONU unit of the EPON and a wireless network base station, so that the functions of service information acquisition, link flow evaluation analysis and the like are realized. The intelligent management and control method for the communication service facing the intelligent power distribution and utilization can realize the visualization of service performance, reduce the operation and maintenance cost of the terminal communication network, optimize the resource allocation and improve the operation index.
Description
Technical Field
The invention belongs to the field of intelligent power distribution and utilization communication, and particularly relates to an intelligent management and control device and method for intelligent power distribution and utilization.
Background
With the continuous expansion of the power distribution and utilization service scale, various communication technologies and application service types present diversified situations. Maintenance departments need to master information and details as comprehensive as possible on network service quality, actively monitor the network performance and service quality of the power communication service, timely give an early warning when the network performance, bandwidth or quality is reduced to a certain degree, and quickly position and diagnose bottlenecks and faults. Therefore, it is necessary to deeply research the network quality monitoring and flow control technology of the power distribution and utilization communication network, realize the visualization of the whole network and the whole service, and provide support for intelligent operation and maintenance, monitoring and fault diagnosis.
Disclosure of Invention
Object of the Invention
The invention provides an intelligent management and control device and a management and control method for communication services of intelligent power distribution and utilization, which are used for actively monitoring the quality of the communication services of the power distribution and utilization, early warning in time, positioning faults, visualizing network links and service performance and providing support for intelligent operation and maintenance, monitoring and fault diagnosis. And carrying out intelligent transformation on the power distribution control layer, the backbone communication layer and the terminal access layer to finally form the intelligent management and control method for the communication service facing intelligent power distribution and utilization.
Technical scheme
The utility model provides an intelligence management and control device towards intelligence distribution of electricity, its characterized in that: the method comprises the steps of adding an intelligent management and control system based on communication service flow, and realizing the functions of operation monitoring, operation and control, comprehensive information analysis, network self-healing switching and the like; the route of the backbone communication layer is gathered, stored and forwarded by the nodes, an active probe is added, and the active monitoring of the service information is realized by adopting the dial testing technology of network layer VPN; in a terminal access layer, aiming at the transmission conditions of communication service streams such as PLC, EPON and a wireless network, distributed passive probes are added at the head end of a PLC network, an ONU unit of the EPON and a wireless network base station, so that the functions of service information acquisition, link flow evaluation analysis and the like are realized; the network management system, the monitoring system, the SCADA master server and the other SCADA master server are used as a standby server and an MIS server to carry out uniform access, uniform processing and uniform storage on various data of the standby server and the MIS server to an intelligent management and control system, and a uniform power distribution and utilization communication service processing platform is established; the two SCADA master servers and the MIS server process the detection information, report the detection information to an intelligent management and control system, a network management system and a monitoring system, and finally alarm, position and self-healing switch the fault information in the intelligent management and control system in time; the monitoring system signal wire is connected with the active probe device and used for collecting data within a certain time to evaluate the connectivity condition and collecting the returned result; the monitoring system signal line is connected with the passive probe device, the distributed intelligent measurement probe controls, and the distributed intelligent measurement probe is used as the control logic of the active and passive measurement equipment, so that the resource utilization rate of the network data plane equipment deployment is determined.
A management and control method using the intelligent management and control device for intelligent power distribution and utilization is characterized in that: setting a passive probe device distributed probe, setting a probe node by combining the service requirement of network flow monitoring of a terminal communication access network and the type of a terminal network, wherein the probe can obtain the flow on all links connected with the node, so that the number of required flow probes is minimum while the coverage rate of a service flow is ensured; the active probe device is directly connected with the router through two RJ45 Ethernet ports, and a management port is configured with a unique global routing address and an Access type; the test port sets up a plurality of VLAN through the sub-interface, each VLAN corresponds to a business VPN; a plurality of VLAN addresses and Trunk types need to be allocated; the router needs to provide two RJ45 Ethernet ports at the same time, and a management port walks VPN out-of-band global routing, namely the Access type; the test port sets a plurality of VLANs through setting a sub-interface, each VLAN corresponds to a service VPN, the VLAN number suggestion is consistent with the VPN and VLAN settings, and the VLAN number suggestion is of a Trunk type; therefore, in the process of deployment, 2 IP addresses are allocated to each probe, one IP address is distributed to the management port, and the other IP address is distributed to the test port, so that the full-route test is realized; determining a probe set and a corresponding test path by adopting a greedy algorithm, determining a test target node according to a test task list during actual monitoring, then pinging each target forwarding node according to a certain frequency, acquiring data within a certain time to evaluate a connectivity condition and collecting a returned result; if the test paths are found to be incapable of being communicated, fault diagnosis is carried out; judging the possible position of the fault according to the returned test result, and if necessary, sending a traceroute auxiliary probe until the fault position is finally positioned; the two SCADA master servers and the MIS server process the detection information, report the detection information to an intelligent management and control system, a network management system and a monitoring system, and finally alarm, position and self-healing switch the fault information in the intelligent management and control system in time;
the dial testing terminals are connected to different VPNs to access corresponding server systems to test flow, a plurality of dial testing terminals can be deployed and respectively configured with network ports corresponding to the VPNs, and management ports of the dial testing terminals are connected to a global route to realize data transmission to a management platform;
the intelligent management and control system is characterized in that distributed passive probes are additionally arranged at the head end of a PLC network, an ONU unit of an EPON network and a wireless network base station aiming at the transmission condition of communication service flow PLC, EPON and wireless network at a terminal access layer, so that the functions of service information acquisition, link flow evaluation analysis and the like are realized.
The intelligent management and control system detects the network operation condition in real time according to the service flow conditions collected by the active probe device and the passive probe device; if any link of the terminal network is blocked, after receiving feedback sent by the probe, the management and control system determines a fault network layer according to the active probe, determines a fault terminal network according to the distributed passive probe, monitors the position of the fault, and then sends an instruction to other terminal core networks to enable services to be transmitted in other terminal network modes, so that self-healing switching of the fault network is realized; therefore, the self-healing capability of the network under the intelligent management and control system is greatly improved.
Drawings
Fig. 1 is a schematic structural diagram of an integrated intelligent management and control system.
Fig. 2 is a greedy algorithm flow.
FIG. 3 is a schematic diagram of greedy algorithm based passive probe deployment and dial-up testing.
Fig. 4 is a drawing of a terminal access network passive probe.
Fig. 5 is a schematic diagram of network self-healing switching based on an intelligent management and control system.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
as shown in fig. 1, fig. 2, fig. 3, fig. 4, and fig. 5, an intelligent management and control device for intelligent power distribution and utilization includes an intelligent management and control system added based on communication service flow to implement functions of operation monitoring, operation and control, comprehensive information analysis, network self-healing switching, and the like. The route of the backbone communication layer is gathered, stored and forwarded by the nodes, active probes are added, and the active monitoring of the service information is realized by adopting a network layer VPN (virtual private network) dial testing technology. In a terminal access layer, aiming at the transmission conditions of communication service streams such as PLC, EPON and a wireless network, distributed passive probes are added at the head end of a PLC network, an ONU unit of the EPON and a wireless network base station, so that the functions of service information acquisition, link flow evaluation analysis and the like are realized. The network management system, the monitoring system, the SCADA master server and the other SCADA master server are used as a standby server and an MIS server to carry out uniform access, uniform processing and uniform storage on various data of the standby server and the MIS server to an intelligent management and control system, and a uniform power distribution and utilization communication service processing platform is established; the two SCADA master servers and the MIS server process the detection information, report the detection information to an intelligent management and control system, a network management system and a monitoring system, and finally alarm, position and self-healing switch the fault information in the intelligent management and control system in time; the monitoring system signal wire is connected with the active probe device and used for collecting data within a certain time to evaluate the connectivity condition and collecting the returned result; the monitoring system signal line is connected with the passive probe device, the distributed intelligent measurement probe controls, and the distributed intelligent measurement probe is used as the control logic of the active and passive measurement equipment, so that the resource utilization rate of the network data plane equipment deployment is determined.
The control method of the intelligent control device facing the intelligent power distribution and utilization comprises the following steps: setting a passive probe device distributed probe, setting a probe node by combining the service requirement of network flow monitoring of a terminal communication access network and the type of a terminal network, wherein the probe can obtain the flow on all links connected with the node, so that the number of required flow probes is minimum while the coverage rate of a service flow is ensured; the active probe device is directly connected with the router through two RJ45 Ethernet ports, and a management port is configured with a unique global routing address and an Access type; the test port sets up a plurality of VLAN through the sub-interface, each VLAN corresponds to a business VPN; a plurality of VLAN addresses and Trunk types need to be allocated; the router needs to provide two RJ45 Ethernet ports at the same time, and a management port walks VPN out-of-band global routing, namely the Access type; the test port sets a plurality of VLANs through setting a sub-interface, each VLAN corresponds to a service VPN, the VLAN number suggestion is consistent with the VPN and VLAN settings, and the VLAN number suggestion is of a Trunk type; therefore, in the process of deployment, 2 IP addresses are allocated to each probe, one IP address is distributed to the management port, and the other IP address is distributed to the test port, so that the full-route test is realized; determining a probe set and a corresponding test path by adopting a greedy algorithm, determining a test target node according to a test task list during actual monitoring, then pinging each target forwarding node according to a certain frequency, acquiring data within a certain time to evaluate a connectivity condition and collecting a returned result; if the test paths are found to be incapable of being communicated, fault diagnosis is carried out; judging the possible position of the fault according to the returned test result, and if necessary, sending a traceroute auxiliary probe until the fault position is finally positioned; the two SCADA master servers and the MIS server process the detection information, report the detection information to an intelligent management and control system, a network management system and a monitoring system, and finally alarm, position and self-healing switch the fault information in the intelligent management and control system in time;
the dial testing terminals are connected to different VPNs to access corresponding server systems to test flow, a plurality of dial testing terminals can be deployed and respectively configured with network ports corresponding to the VPNs, and management ports of the dial testing terminals are connected to a global route to realize data transmission to a management platform;
the intelligent management and control system is characterized in that distributed passive probes are additionally arranged at the head end of a PLC network, an ONU unit of an EPON network and a wireless network base station aiming at the transmission condition of communication service flow PLC, EPON and wireless network at a terminal access layer, so that the functions of service information acquisition, link flow evaluation analysis and the like are realized.
The intelligent management and control system detects the network operation condition in real time according to the service flow conditions collected by the active probe device and the passive probe device; if any link of the terminal network is blocked, after receiving feedback sent by the probe, the management and control system determines a fault network layer according to the active probe, determines a fault terminal network according to the distributed passive probe, monitors the position of the fault, and then sends an instruction to other terminal core networks to enable services to be transmitted in other terminal network modes, so that self-healing switching of the fault network is realized. Therefore, the self-healing capability of the network under the intelligent management and control system is greatly improved. .
As shown in fig. 1, the intelligent management and control system firstly combines a traditional network management system with a monitoring system, adds an SCADA server and an MIS server to complete intelligent transformation of a power distribution and utilization main station, and simultaneously adds a spare SCADA server to increase reliability of service flow information of a main station probe; secondly, accessing a device which cannot output the IEC61850 protocol in the station into the integrated intelligent management and control system through a unified protocol after passing through the protocol conversion device; and finally, monitoring and analyzing the communication service flow through an intelligent management and control system, thereby completing fault positioning and network self-healing switching.
As shown in fig. 2, the greedy algorithm flow.
Step 1: calculating the shortest path between any two points in the network as a point-to-point routing line, wherein a classic Floyd algorithm or Dijkstra algorithm can be used;
step 2: initializing the number of uncovered links of a routing line between any two points in the network as the length of the line;
step 3: obtaining the line with the maximum number of uncovered links in the routing lines of the current network, and if a plurality of lines exist, selecting the line with the end point selected as the number of probes;
step 4: adding the minimum path set and simultaneously adding the two end points into the probe set;
step 5: all links contained in the network are marked as covered, and the number of uncovered links between any two points in the network is updated simultaneously
；
Step 6: if all links in the network are covered, the process ends, otherwise, the process returns to Step 3.
As shown in fig. 3, a schematic diagram of passive probe deployment and dial testing based on greedy algorithm.
(1) Test scene of internal network layer of EPON access network
The probe deployed in the OLT can periodically initiate network layer dial-test to the probe deployed in the ONU below the OLT, and vice versa. When the ICMP request sent by any probe does not respond within a fixed time, the second task in the network layer dial testing task is started, and traceroute commands are respectively sent to the probes of other ONUs deployed under the same OLT to judge which section of the route of the network channel has a problem.
(2) Test scene of internal network of public network
The probe deployed in the front-end processor can periodically initiate network layer dial testing to the probe deployed in the terminal below the probe, and vice versa. When the ICMP request sent by any probe does not respond within a fixed time, the second task in the network layer dial testing tasks is started, and traceroute commands are respectively initiated to the probes of other terminals deployed under the front-end processor to judge which route of the network channel has problems.
As shown in fig. 4, the terminal access network passive probe mapping diagram.
When the dial testing terminal initiates ICMP requests to network equipment, an application server and a user terminal, and when the dial testing object does not respond within the fixed request times, the dial testing agent preliminarily judges that the network is not accessible, and the next testing process is started. The dial testing agent initiates a traceroute command to the network equipment, the application server and the user terminal, the dial testing agent carries out ICMP request to each hop route, and when a certain route has no response, the dial testing agent prompts the IP of the route. The edge router is connected with the backbone router in an MP-BGP mode, and the backbone router is responsible for forwarding, so that the bandwidth of dial testing information is saved. Each backbone router dial testing terminal reports the routing information to the dial testing terminal connected with the management platform in a VPN mode, and the whole network routing information summarization is achieved.
The function of dialing the network layer to dial the test is to record the route path and hop count of the network layer test target and to query the route change of the test target. At present, a networking structure of a data communication network bears different service flows in an MPLS VPN mode, and a specific routing path can not be obtained through a dial testing path test in an MPLS label switching environment, but a global routing of the data communication network is complete IP routing switching and does not pass through any MPLS VPN, so that the specific routing path can be obtained through the dial testing global routing test. If the VPN and global IP addresses are tested simultaneously for the same target, the route path through global IP can be correlated to a path in the VPN address.
Fig. 5 is a schematic diagram of network self-healing switching based on an intelligent management and control system.
The power distribution service guide is started from a power distribution master station (client), and is respectively connected to a wireless network, an EPON network and an industrial Ethernet network downwards to further carry out service transmission. Accessing CPE (wireless terminal access equipment) from a TD-LTE base station (LTE core network) in a wireless mode, then accessing a HUB (HUB) and finally entering a DTU (server end); after receiving the information of the power distribution master station, the EPON goes from the OLT to the ONU, then enters the HUB and finally enters the DTU. The top layer is accessed with an intelligent management and control system which can monitor all nodes in the whole network topology structure, supervise the conditions of the nodes and realize visualization of the whole network. The whole network can also be automatically controlled.
If any link of the EPON network is not communicated, the management and control system receives feedback sent by the probe, monitors the position of a fault, and then sends an instruction to the LTE core network to transmit the service in a wireless mode; similarly, when any wireless link monitored by the control system fails, an instruction is sent to the EPON, so that services can be transmitted from the EPON, and the conditions of the industrial Ethernet are also similar. Therefore, the self-healing capability of the intelligent management and control system network is greatly improved.
It should be noted that the summary and the detailed description of the invention are intended to demonstrate the practical application of the technical solutions provided by the present invention, and should not be construed as limiting the scope of the present invention. Various modifications, equivalent alterations, and improvements will occur to those skilled in the art and are intended to be within the spirit and scope of the invention. Such changes and modifications are intended to be included within the scope of the appended claims.
Claims (1)
1. A management and control method for an intelligent management and control device for intelligent power distribution and utilization is characterized by comprising the following steps: the method comprises the steps of adding an intelligent management and control system based on communication service flow to realize the functions of operation monitoring, operation and control, comprehensive information analysis and network self-healing switching; an active probe is added at a route gathering, storing and forwarding node of a backbone communication layer, and the active monitoring of service information is realized by adopting a network layer VPN (virtual private network) dial testing technology; in a terminal access layer, aiming at the transmission conditions of communication service streams such as PLC, EPON and a wireless network, distributed passive probes are added at the head end of a PLC network, an ONU unit of the EPON and a wireless network base station, so that the functions of service information acquisition and link flow evaluation analysis are realized; the network management system, the monitoring system, the SCADA master server and the other SCADA master server are used as a standby server and an MIS server to carry out uniform access, uniform processing and uniform storage on various data of the standby server and the MIS server to an intelligent management and control system, and a uniform power distribution and utilization communication service processing platform is established; the two SCADA master servers and the MIS server process the detection information, report the detection information to an intelligent management and control system, a network management system and a monitoring system, and finally alarm, position and self-healing switch the fault information in the intelligent management and control system in time; the monitoring system signal wire is connected with the active probe and used for acquiring data within a certain time to evaluate the connectivity condition and collecting a returned result; the monitoring system signal line is connected with the distributed passive probes, the distributed intelligent measurement probes control the distributed intelligent measurement probes, and the distributed intelligent measurement probes are used as control logic of the active and passive measurement equipment to determine the resource utilization rate of the network data plane equipment deployment;
setting a distributed passive probe, setting a probe node by combining the service requirement of network flow monitoring of a terminal communication access network and the type of a terminal network, wherein the probe can obtain the flow on all links connected with the node, so that the number of required flow probes is minimum while the coverage rate of a service flow is ensured; the active probe is directly connected with the router through two RJ45 Ethernet ports, and a management port is configured with a unique global routing address and an Access type; the test port sets up a plurality of VLAN through the sub-interface, each VLAN corresponds to a business VPN; a plurality of VLAN addresses and Trunk types need to be allocated; the router needs to provide two RJ45 Ethernet ports at the same time, and a management port walks VPN out-of-band global routing, namely the Access type; the test port sets a plurality of VLANs through setting a sub-interface, each VLAN corresponds to a service VPN, the number of the VLAN is consistent with the VPN and VLAN settings, and the VLAN is of a Trunk type; therefore, in the process of deployment, 2 IP addresses are allocated to each probe, one IP address is distributed to the management port, and the other IP address is distributed to the test port, so that the full-route test is realized; determining a probe set and a corresponding test path by adopting a greedy algorithm, determining a test target node according to a test task list during actual monitoring, then pinging each target forwarding node according to a certain frequency, acquiring data within a certain time to evaluate a connectivity condition and collecting a returned result; if the test paths are found to be incapable of being communicated, fault diagnosis is carried out; judging the possible position of the fault according to the returned test result, and if necessary, sending a traceroute auxiliary probe until the fault position is finally positioned;
the dial testing terminals are connected to different VPNs to access corresponding server systems, flow is tested, a plurality of dial testing terminals can be deployed and respectively configure network ports corresponding to the VPNs, and management ports of the dial testing terminals are connected to a global route to achieve data transmission to an intelligent management and control system;
the intelligent management and control system detects the network operation condition in real time according to the service flow conditions acquired by the active probes and the distributed passive probes; if any link of the terminal network is blocked, after receiving feedback sent by the probe, the intelligent management and control system determines a fault network layer according to the active probe, determines a fault terminal network according to the distributed passive probe, monitors the position of the fault, and then sends an instruction to other terminal core networks to enable services to be transmitted in other terminal network modes, so that self-healing switching of the fault network is realized; therefore, the self-healing capability of the network under the intelligent management and control system is greatly improved.
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