CN107070724B - Method for monitoring end-to-end service communication state of power communication network - Google Patents
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- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
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Abstract
The invention provides a method for monitoring the end-to-end service communication state of a power communication network, which comprises the following steps: establishing a cross-domain series standardized model of a power communication network service channel, and constructing data paths among manufacturers, various technical systems and communication resources of various levels; utilizing a self-extending algorithm to complete end-to-end service communication routing analysis, and drawing a whole-course routing graph through a computer graphics technology; and calculating and displaying the real-time state of each node in the communication route by taking the alarm information of various communication equipment as a basic data source. The state monitoring method can show the whole-course routing and the real-time state of the service communication channel, and provides a service-oriented end-to-end whole-course communication monitoring means for power communication operation and maintenance management.
Description
Technical Field
The invention relates to a method for monitoring the state of a power communication network, in particular to a method for monitoring the communication state of an end-to-end service of the power communication network.
Background
The power communication network is an important supporting facility for supporting the safe and stable operation of the power grid, and has extremely high requirements on the aspects of communication stability, reliability and the like. Therefore, real-time state monitoring of the power communication network is an important technical link of power communication network management and power grid production and operation. At present, in the aspect of real-time monitoring of an electric power communication network, communication equipment monitoring software systems such as equipment network management, professional network management, comprehensive network management and the like mainly depend on communication equipment, and the defects mainly exist in the following steps: firstly, the management objects of various network managers are communication equipment, the communication state monitoring and analyzing means of the power production service is insufficient, the monitoring of the communication node can only be focused on, the monitoring of the service communication state and quality is difficult to realize, and the direct support of the power communication service is weak; secondly, the equipment network manager can only manage the equipment of a manufacturer generally, and the professional network manager can only manage one type of equipment, so that the cross-manufacturer and cross-technology system communication route correlation analysis can not be realized generally; thirdly, although the current mainstream integrated network management realizes the centralized display of the states of communication equipment of different manufacturers and different technical systems, the fusion association of heterogeneous communication equipment under the condition of hybrid networking is not realized, and the information fusion between a power communication backbone network and an access network is also not realized.
In general, the current monitoring means for the service communication state of the power communication network cannot perform fusion monitoring of the communication channel end-to-end in the whole process, and cannot effectively support operation and maintenance management work of the power communication network with service guarantee as the primary target.
Disclosure of Invention
The technical problem to be solved by the invention is that the existing monitoring means for the service communication state of the power communication network cannot perform fusion monitoring of the communication channel end-to-end in the whole process, and cannot effectively support the operation and maintenance management work of the power communication network with service guarantee as the primary target.
In order to solve the above technical problem, the present invention provides a method for monitoring an end-to-end service communication state of an electric power communication network, comprising the following steps:
step 1, establishing a cross-domain series standardized model of a power communication network service channel, and establishing data paths among manufacturers, various technical systems and communication resources of various levels;
step 2, utilizing a self-extending algorithm to complete end-to-end service communication routing analysis, and drawing a whole-course routing graph through a computer graphics technology;
and 3, calculating and displaying the real-time state of each node in the communication route by taking the alarm information of various communication equipment as a basic data source.
The self-extension algorithm is adopted to complete the end-to-end service communication route analysis, the end-to-end whole-course fusion monitoring of the communication channel is realized, an effective and intuitive means is provided for the state monitoring and guarantee of the communication service and the positioning and troubleshooting of the fault, and the operation and maintenance management efficiency of the power communication network can be obviously improved.
As a further limitation scheme of the present invention, in step 1, the service channel of the power communication network uses the central station service manager or the management server as one end and uses the application side service terminal as the other end, and spans the convergence device and the communication unit of the data network, the transmission network, the optical cable and the terminal communication access network of the backbone communication network.
As a further limiting scheme of the present invention, in step 1, the power communication network service channel cross-domain series standardized model includes a concept description model and a logical relationship model; the concept description model part is divided into a power communication backbone network and a terminal communication access network, and cross-layer level association of the power communication backbone network and the terminal communication access network is established; the logical relation model is divided into a public abstract model comprising an equipment unit, a network logical unit, an optical cable unit and a service unit, and the public abstract model carries out unified standardized modeling on the end-to-end resource object of the communication network.
As a further limited scheme of the present invention, the specific steps of establishing the cross-layer association between the power communication backbone network and the terminal communication access network are as follows: in the power communication backbone network part, a central station management machine or a server is taken as a starting point, network communication equipment of the power communication backbone network is connected with optical transmission equipment through wiring, electric/optical signal conversion or information convergence is completed in the optical transmission equipment through cross connection, then the optical transmission equipment is connected with and communicated with far-end optical transmission equipment through an optical cable, the far-end optical transmission equipment also completes optical/electrical signal conversion through cross connection, and data are sent to a terminal communication access network; in the terminal communication access network part, a power communication backbone network is connected through terminal convergence equipment to communicate with a communication terminal, and the communication terminal provides communication service for a service terminal.
As a further limiting scheme of the invention, the equipment unit comprises a machine frame, slots, board cards and ports; the network logic unit comprises a system, network elements, topology and cross; the optical cable unit comprises an optical cable, an optical cable section, a fiber core and a joint box; the service units include services, channels and routes.
As a further limiting scheme of the present invention, in step 2, the specific steps of completing the end-to-end service communication route analysis by using the self-extending algorithm are as follows:
step 211, selecting a service terminal device from the communication network as a starting point of the service to start calculation;
step 212, according to the association relationship between the service terminal and the communication terminal, determining whether the service terminal is bound with the communication terminal, if so, entering step 213, and if not, directly exiting the calculation, indicating that the service does not complete the end-to-end basic data preparation;
step 213, after the service terminal finds the communication terminal device, the communication terminal device is used as the starting point of the communication route analysis, and the infinite self-extension calculation of the communication route is started;
step 214, searching a next communication node associated with the current device according to the association relationship of the communication topology, the intersection or the wiring connection, if the next node exists, turning to step 215, and if the next node does not exist, turning to step 218;
step 215, calculating concrete objects of connection media between adjacent communication nodes according to the association relationship and the binding relationship of the communication objects;
step 216, determining whether the connection media of the adjacent communication nodes can be found, if the connection media of the adjacent communication nodes can be found, going to step 217, otherwise, ending the calculation, which indicates that the route calculation is completed at this time;
step 217, adding the calculated connection media of the next node and the adjacent node into the end-to-end route;
step 218, determining whether the current node is a central management end point, if so, indicating that end-to-end routing calculation is completed, and going to step 219, otherwise, returning to step 214 to continue the extension calculation;
step 219, add the calculated central management end point into the route to form complete end-to-end route information.
As a further limiting scheme of the present invention, in step 2, the specific steps of drawing the whole-course routing graph by the computer graphics technology are as follows:
step 221, distinguishing equipment objects of different technical systems by using different icons;
step 222, using a rectangular frame line to represent a backbone network part as a distinction between the backbone network and the access network;
step 223, the icon representing the device node shows the device name and the specific port serial number;
and 224, displaying the type of the optical cable, the total number of the fiber cores, the length, the voltage grade of the power transmission and distribution line and the used fiber core serial number in a text marking mode by representing the connection line of the optical cable.
As a further limiting scheme of the present invention, in step 3, when calculating the real-time status of each node in the communication route, the real-time status of the communication route node is calculated according to the principle that the child devices converge to the parent device and the high-level coverage is low-level; the fact that the child equipment converges to the parent equipment means that the alarm states of the child equipment are converged to the parent equipment uniformly for embodying, the child equipment specifically refers to a port, a board card and a machine frame, and the parent equipment specifically refers to network element equipment; the high-level coverage low-level means that for the child devices under the same father device, the alarm with the highest level covers the low-level alarm to be used as the alarm state of the father device; and the self-recursion algorithm is utilized to realize the layer-by-layer analysis and calculation of the network element equipment, the machine frame, the slots, the board cards and the port multi-layer equipment.
The invention has the beneficial effects that: the electric power communication network end-to-end service communication state monitoring technology can realize service-oriented full path display and real-time state monitoring on the electric power communication network with complex composition, solves the problems of heterogeneous network fracture and incapability of whole-process monitoring in the traditional monitoring mode, provides an effective and intuitive means for state monitoring and guarantee of communication services and positioning and troubleshooting of faults, can remarkably improve the operation and maintenance management efficiency of the electric power communication network, and has good application prospect.
Drawings
Fig. 1 is a design diagram of a cross-domain series standardized model of a service channel of a power communication network according to the present invention;
FIG. 2 is a flow chart of the power service communication routing end-to-end self-extending algorithm of the present invention;
fig. 3 is a diagram showing an effect of an end-to-end routing diagram of power service communication according to the present invention.
Detailed Description
As shown in fig. 1-3, the method for monitoring the end-to-end service communication state of the power communication network disclosed by the invention comprises the following steps:
step 1, establishing a cross-domain series standardized model of a power communication network service channel, and establishing data paths among manufacturers, various technical systems and communication resources of various levels;
step 2, utilizing a self-extending algorithm to complete end-to-end service communication routing analysis, and drawing a whole-course routing graph through a computer graphics technology;
and 3, calculating and displaying the real-time state of each node in the communication route by taking the alarm information of various communication equipment as a basic data source.
In step 1, the service channel of the power communication network takes a central station service manager or a management server as one end and an application side service terminal as the other end, and spans a data network, a transmission network and an optical cable of a backbone communication network and convergence equipment and a communication unit of a terminal communication access network.
The electric power communication network service channel cross-domain series connection standardization model comprises a concept description model and a logic relation model; the concept description model part is divided into a power communication backbone network and a terminal communication access network, and cross-layer level association of the power communication backbone network and the terminal communication access network is established; the logical relation model is divided into a public abstract model comprising an equipment unit, a network logical unit, an optical cable unit and a service unit, and the public abstract model carries out unified standardized modeling on the end-to-end resource object of the communication network.
The specific steps of establishing the cross-layer association of the power communication backbone network and the terminal communication access network are as follows: in the power communication backbone network part, a central station management machine or a server is taken as a starting point, network communication equipment (which can be a switch, a router or communication equipment) of the power communication backbone network is connected with optical transmission equipment through wiring, electric/optical signal conversion or information aggregation is completed in the optical transmission equipment through cross connection (which can be time division multiplexing or wavelength division multiplexing), then the optical transmission equipment is connected with and communicated with far-end optical transmission equipment through an optical cable, the far-end optical transmission equipment also completes optical/electric signal conversion through the cross connection, and data are sent to a terminal communication access network; in the terminal communication access network part, a power communication backbone network is connected through terminal convergence equipment (OLT, industrial Ethernet switch, wireless base station and the like) to communicate with a communication terminal, and the communication terminal provides communication service for a service terminal. The equipment unit comprises a machine frame, slots, board cards and ports; the network logic unit comprises a system, network elements, topology and cross; the optical cable unit comprises an optical cable, an optical cable section, a fiber core and a joint box; the service units include services, channels and routes.
In step 2, an algorithm flow chart for completing end-to-end service communication route analysis by using a self-extension algorithm is shown in fig. 2, and the specific steps are as follows:
step 211, selecting a service terminal device from the communication network as a starting point of the service to start calculation;
step 212, according to the association relationship between the service terminal and the communication terminal, determining whether the service terminal is bound with the communication terminal, if so, entering step 213, and if not, directly exiting the calculation, indicating that the service does not complete the end-to-end basic data preparation;
step 213, after the service terminal finds the communication terminal device, the communication terminal device is used as the starting point of the communication route analysis, and the infinite self-extension calculation of the communication route is started;
step 214, searching a next communication node associated with the current device according to the association relationship of the communication topology, the intersection or the wiring connection, if the next node exists, turning to step 215, and if the next node does not exist, turning to step 218;
step 215, calculating concrete objects of connection media between adjacent communication nodes according to the association relationship and the binding relationship of the communication objects;
step 216, determining whether the connection media of the adjacent communication nodes can be found, if the connection media of the adjacent communication nodes can be found, going to step 217, otherwise, ending the calculation, which indicates that the route calculation is completed at this time;
step 217, adding the calculated connection media of the next node and the adjacent node into the end-to-end route;
step 218, determining whether the current node is a central management end point, if so, indicating that end-to-end routing calculation is completed, and going to step 219, otherwise, returning to step 214 to continue the extension calculation;
step 219, add the calculated central management end point into the route to form complete end-to-end route information.
The specific steps of drawing the whole-course routing graph by the computer graphics technology are as follows:
step 221, distinguishing equipment objects of different technical systems by using different icons;
step 222, using a rectangular frame line to represent a backbone network part as a distinction between the backbone network and the access network;
step 223, the icon representing the device node shows the device name and the specific port serial number;
step 224, displaying the type, total number and length of fiber cores, voltage grade of the power transmission and distribution line and the used fiber core serial number of the optical cable in a text marking mode by representing the connection line of the optical cable; the format is as follows: "cable type/total number of cores/length (unit kilometer)/voltage class (unit kilovolt) + [ line change ] + transmission and distribution line name + optical fiber serial number".
Step 3, when calculating the real-time state of each node in the communication route, calculating the real-time state of the communication route node according to the principle that the child equipment converges to the parent equipment and the high-level coverage covers the low level; the fact that the child equipment converges to the parent equipment means that the alarm states of the child equipment are converged to the parent equipment uniformly for embodying, the child equipment specifically refers to a port, a board card and a machine frame, and the parent equipment specifically refers to network element equipment; the high-level coverage low-level means that for the child devices under the same father device, the alarm with the highest level covers the low-level alarm to be used as the alarm state of the father device; and the self-recursion algorithm is utilized to realize the layer-by-layer analysis and calculation of the network element equipment, the machine frame, the slots, the board cards and the port multi-layer equipment.
The following describes an application embodiment of the present invention by taking distribution automation communication using EPON technology as a typical example.
The networking mode of the distribution automation communication network adopting the EPON technology generally provides a transmission channel (generally SDH, synchronous digital hierarchy) for a backbone network, an OLT (optical line terminal) is deployed in a substation, the OLT is connected to the backbone transmission network through an optical port and is connected to ONUs (optical network units) in facilities such as various distribution substations and ring main units through a PON port (optical), and the ONUs provide interface modes such as network ports or serial ports for distribution automation service terminal equipment, and after the distribution automation service terminal equipment is connected, a complete distribution automation service route is formed.
According to the method provided by the invention, data modeling is carried out according to a cross-domain series standardized model of a power communication network service channel, a conceptual model and a logical relation model are converted into a physical model of a relation database, and the database is established by adopting mainstream relation database software such as Oracle and the like; and then, the basic data is established and managed by means of data acquisition, manual input and import, and meanwhile, the alarm information of all levels of objects of the communication equipment is acquired in real time in an automatic acquisition mode and is used as the basis for state calculation.
In the actual application and presentation links, a service communication end-to-end routing diagram may be developed from a software presentation interface of a service terminal, as shown in fig. 3. The graphics are dynamically calculated at the server end by a software algorithm, and are rendered in real time by adopting mainstream graphical display technologies such as HTML5 and the like at a front end interface. As can be seen from the figure, the distribution automation service starts from the left service terminal (10082), and is associated with the peach-dock-based distribution substation ONU, which is connected in two ways in a "hand-in-hand" manner to the corresponding PON ports of the lion-mountain variant OLT and the tower-garden variant OLT; the two OLT are respectively connected to a backbone network transmission system, and reach a central station in the backbone network transmission system through two mutually protected transmission channels, and finally are connected to a distribution automation main station system. The communication network routing relations of multiple cross-domain technical systems, multiple manufacturers and different levels are displayed in a graph display in detail, and the current alarm state of each node in the route is displayed in real time by combining the automatically calculated route state.
Based on the finally realized end-to-end routing state monitoring effect, the invention can visually check and inquire the incidence relation of the heterogeneous communication network in the same service routing, can quickly judge the relation between alarms and the root point of the fault according to the alarm state, and provides powerful support for communication service guarantee and fault troubleshooting.
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| CN107682180B (en) * | 2017-09-07 | 2021-02-05 | 南京南瑞信息通信科技有限公司 | Method for collecting performance index data of communication network equipment |
| CN107733690B (en) * | 2017-09-21 | 2021-02-09 | 国网福建省电力有限公司 | Method and device for establishing topology model through information and communication fusion analysis |
| CN107689920B (en) * | 2017-09-28 | 2021-03-02 | 安徽皖通邮电股份有限公司 | End-to-end multi-service automatic route sensing method |
| CN108616305A (en) * | 2018-05-08 | 2018-10-02 | 国网天津市电力公司 | A kind of power distribution automation communication equipment integration fault location system |
| CN108804637B (en) * | 2018-06-04 | 2021-06-29 | 北京天元创新科技有限公司 | Optical cable route drawing method and device |
| CN109302316B (en) * | 2018-10-09 | 2021-05-25 | 国网湖南省电力有限公司 | Single-node access hidden danger analysis method for hub site of power communication network |
| CN109347683B (en) * | 2018-11-20 | 2022-07-12 | 中国电信集团工会上海市委员会 | Method for analyzing end-to-end service availability of transmission optical transmission network |
| CN109412902B (en) * | 2018-12-19 | 2022-04-12 | 国网山西省电力公司 | An intelligent monitoring method, storage device, terminal and system for a power dispatching data network system |
| CN110768744B (en) * | 2019-10-25 | 2021-03-19 | 深圳供电局有限公司 | A kind of auxiliary device for operation and maintenance management of power wave division system |
| CN110808880A (en) * | 2019-11-01 | 2020-02-18 | 国家电网有限公司 | A method for displaying in-depth monitoring information of power communication network |
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