CN108270628A - A kind of POWER SYSTEM SDH communications Nets Simulation Modelling Method based on OPNET - Google Patents
A kind of POWER SYSTEM SDH communications Nets Simulation Modelling Method based on OPNET Download PDFInfo
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- CN108270628A CN108270628A CN201810309908.9A CN201810309908A CN108270628A CN 108270628 A CN108270628 A CN 108270628A CN 201810309908 A CN201810309908 A CN 201810309908A CN 108270628 A CN108270628 A CN 108270628A
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- 238000004891 communication Methods 0.000 title claims abstract description 85
- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000004088 simulation Methods 0.000 title claims abstract description 17
- 230000005540 biological transmission Effects 0.000 claims abstract description 24
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- 101710167643 Serine/threonine protein phosphatase PstP Proteins 0.000 claims abstract description 18
- 230000001360 synchronised effect Effects 0.000 claims abstract description 3
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- 235000008434 ginseng Nutrition 0.000 claims 1
- 238000012360 testing method Methods 0.000 description 7
- 238000004458 analytical method Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
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Classifications
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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
- H04L41/14—Network analysis or design
- H04L41/145—Network analysis or design involving simulating, designing, planning or modelling of a network
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- H02J13/0006—
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/16—Time-division multiplex systems in which the time allocation to individual channels within a transmission cycle is variable, e.g. to accommodate varying complexity of signals, to vary number of channels transmitted
- H04J3/1605—Fixed allocated frame structures
- H04J3/1611—Synchronous digital hierarchy [SDH] or SONET
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The invention discloses a kind of POWER SYSTEM SDH communications Nets Simulation Modelling Methods based on OPNET, include the following steps：Establish the multi-layer network topology structure of synchronous digital system SDH telecommunication transport networks；SDH/MSTP device models, control station network node model are established respectively, perform station network node model；Two network interfaces of interchanger, are then linked into two network interfaces of SDH/MSTP equipment by control station network node access switch first, and two network interfaces of SDH/MSTP equipment open the special VC4 channels with adjacent MSTP, form the HSR looped networks based on interchanger respectively；Form the POWER SYSTEM SDH transmission web frame of multi-layer；Demand is transmitted according to SDH communications network service, the model parameter of each network node is configured.The present invention can rapidly and accurately establish POWER SYSTEM SDH telecommunication transport network analogue system with the operation conditions of analogue communication network.
Description
Technical field
The present invention relates to communication of power system transport network technology field more particularly to a kind of electric system based on OPNET
SDH communications Nets Simulation Modelling Methods.
Background technology
With the lasting propulsion of intelligent grid construction, Operation of Electric Systems is required constantly to carry with the automatization level managed
Height, be largely related to power generation, operation, management information safe and reliable, stabilization need to be carried out by power telecom network promptly pass
It is defeated.Telecommunication transport network is the nervous centralis of electric system, is the important foundation for ensureing the reliable and stable operation of power system security.Together
Step digital hierarchy (Synchronous Digital Hierarchy, SDH) transmission network combines high-speed high capacity light as one kind
The New System of fine transmission technology and intelligent Network Techniques is used widely in power communication backbone network.In order to ensure that SDH is passed
Network performance of the defeated net when carrying electric system items business, must SDH networking, open, carried out during O＆M etc. it is related
Network performance analysis, test and reliability assessment.Under current existing Experimental Establishment and technical conditions, for small-scale
SDH network, can be built using instrument and equipments such as SDH equipment, Network Analyzer, SDH analyzer experiment porch carry out network
Performance evaluation is assessed.It is however, more for extensive SDH transmission networks, such as comprising province-province, province-city, city-city etc.
Level wide area SDH telecommunication transport networks, due to being limited by factors such as experimental facilities, technical conditions and testing costs, it is difficult to
By building test platform come the performance of this kind of network of simulation test.At present, how this kind of large-scale electrical power system of analysis and evaluation
The performance of SDH communications networks is also to be solved.
In view of experimental situation is difficult to build the test system of large-scale electrical power system SDH transmission networks, then researchs and analyses big
The feasible method of scale POWER SYSTEM SDH telecommunication transport network is to carry out network modelling emulation using computer.However, existing net
Network software emulation tool is only to carry out modeling and simulating for general network, can't directly apply to POWER SYSTEM SDH and lead to
Believe transmission network simulation modeling.
Invention content
In view of the deficienciess of the prior art, it is an object of the present invention to provide a kind of POWER SYSTEM SDH communications based on OPNET
Nets Simulation Modelling Method is transmitted, the present invention can rapidly and accurately establish POWER SYSTEM SDH telecommunication transport network analogue system with mould
Intend the operation conditions of communication network, so as to which the planning and designing and operation and maintenance for SDH telecommunication transport networks provide foundation, improve
The working efficiency of power system network communication enineer.
To achieve these goals, the present invention is to realize by the following technical solutions：
The present invention is special according to the structure of POWER SYSTEM SDH telecommunication transport network on existing Network Simulation Software package base
Sign and business transmission feature progress personalized network modeling and simulating, the network performance of analysis and evaluation POWER SYSTEM SDH transmission network,
So as to provide foundation for the planning and designing and operation and maintenance of SDH telecommunication transport networks, power system network communication enineer is improved
Working efficiency.
A kind of POWER SYSTEM SDH communications Nets Simulation Modelling Method based on OPNET of the present invention, including walking as follows
Suddenly：
Step 1), according to the multi-layer topological structure of POWER SYSTEM SDH telecommunication transport network, types of network equipment, geographical position
The communication requirement of confidence breath, transmission range and control station with performing station, using OPNET Network Simulation Softwares, establishes same step number
The multi-layer network topology structure of font system SDH telecommunication transport networks；
Step 2) first with the Create Custom Object window creation SDH network nodes of OPNET, is then distinguished
SDH process models, SDH frames model, E1 process models, E1 frames model and VC channel patterns are established, forms complete SDH/
MSTP device models；
Step 3), according to the traffic demands of each control station of electric system, first with the Create Custom of OPNET
Object window creation control station network nodes, then setting SDH communication port, Ethernet communication port, IP routings respectively
Agreement forms control station network node model；
Step 4) respectively performs the communication service feature at station according to electric system, first with the Create Custom of OPNET
Object window creations perform station network node, then setting SDH communication port, Ethernet communication port, E1 communications respectively
Port, IP routing protocol and business process is reported, form and perform station network node model；
Then two network interfaces of interchanger are linked into SDH/ by step 5), control station network node access switch first
Two network interfaces of MSTP equipment, two network interfaces of SDH/MSTP equipment open the special VC4 channels with adjacent MSTP respectively, form
HSR looped networks based on interchanger realize SDH transmission network peer-to-peer communications；
Step 6), control station are connected by POS mouthfuls with next stage SDH transmission networks, are passed through between SDH transmission networks and execution station
E1 mouthfuls are connected, and form the POWER SYSTEM SDH transmission web frame of multi-layer；
Step 7) transmits demand according to SDH communications network service, the model parameter of each network node is configured.
Above-mentioned SDH/MSTP device models, control station network node model and the parameter for performing station network node model three
Including SDH communication port parameter, E1 communication port parameter, Ethernet communication port parameter, IP agreement parameter and service generation
Parameter.
In step 1), what the actual geographic position in the SDH telecommunication transport networks where each communication equipment was provided with OPNET
Map office is simulated.
In step 7), the concrete model parameter to be set includes SDH equipment model parameter, control station network node model
Parameter and execution station network node model parameter.
Above-mentioned SDH equipment model parameter includes：
1.1) the data transmit-receive rate on SDH ports；
1.2) the data transmit-receive rate on e1 port；
1.3) MAC Address of Ethernet ports；
1.4) Ethernet port duplexes pattern；
1.5) Ethernet frames burst function；
1.6) Ethernet ports promiscuous mode；
1.7) IP address of communication port；
1.8) subnet mask of communication port；
1.9) IP routing protocol that communication uses.
Above-mentioned control station network node model parameter includes：
2.1) purpose IP address that business reports；
2.2) message size of business is reported；
2.3) at the beginning of business reports；
2.4) time interval that business reports；
2.5) dwell time that business reports；
2.6) the data transmit-receive rate on SDH ports
2.7) MAC Address of Ethernet ports；
2.8) Ethernet port duplexes pattern；
2.9) Ethernet frames burst function；
2.10) Ethernet ports promiscuous mode；
2.11) IP address of communication port；
2.12) subnet mask of communication port；
2.13) IP routing protocol that communication uses；
2.14) the loopback IP address of node itself；
2.15) subnet mask of loopback.
Above-mentioned execution station network node model parameter includes：
3.1) purpose IP address that business reports；
3.2) message size of business is reported；
3.3) at the beginning of business reports；
3.4) time interval that business reports；
3.5) dwell time that business reports；
3.6) the data transmit-receive rate on SDH ports；
3.7) the data transmit-receive rate on e1 port；
3.8) MAC Address of Ethernet ports；
3.9) Ethernet port duplexes pattern；
3.10) Ethernet frames burst function；
3.11) Ethernet ports promiscuous mode；
3.12) IP address of communication port；
3.13) subnet mask of communication port；
3.14) IP routing protocol that communication uses；
3.15) the loopback IP address of node itself；
3.16) subnet mask of loopback.
The beneficial effects of the invention are as follows：
The method of the present invention can establish the more of large-scale electrical power system SDH telecommunication transport networks according to SDH communication technology features
Hierarchical network analogue system, for simulating the static state of SDH telecommunication transport networks and dynamic behaviour, emulation testing SDH telecommunication transport networks
Every network performance index.It is suitable for large-scale electrical power system SDH telecommunication transport network emulation testings using the method for the present invention, it can
For the reliability of analysis and evaluation POWER SYSTEM SDH transmission network, can be provided for the planning and designing and operation and maintenance of SDH transmission networks
Foundation can improve the working efficiency of power system network communication enineer.
Description of the drawings
Fig. 1 is POWER SYSTEM SDH telecommunication transport network multi-layer network topology schematic diagram.
Specific embodiment
To be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, with reference to
Specific embodiment, the present invention is further explained.
Technical scheme of the present invention specific implementation process is as follows：
(1) believed according to the multi-layer topological structure of POWER SYSTEM SDH telecommunication transport network, types of network equipment, geographical location
Breath, transmission range and control station and the communication requirement for performing station establish the multi-layer net of SDH telecommunication transport networks in OPNET
Network topology, schematic diagram are as shown in Figure 1.
(2) according to the technical principle of SDH equipment, first with the Create Custom Object window creations SDH of OPNET
Then network node establishes SDH process models, SDH frames model, E1 process models, E1 frames model and VC channel patterns respectively,
Form complete SDH/MSTP device models.
(3) according to the traffic demands of each control station of electric system, first with the Create Custom of OPNET
Object window creation control station network nodes, then setting SDH communication port, Ethernet communication port, IP routings respectively
Agreement forms control station network node model.
(4) the communication service feature at station is respectively performed according to electric system, first with the Create Custom of OPNET
Object window creations perform station network node, then setting SDH communication port, Ethernet communication port, E1 communications respectively
Port, IP routing protocol and business process is reported, form and perform station network node model.
(5) then two network interfaces of interchanger are linked into SDH/MSTP by control station access switch first (Switch)
Two network interfaces of equipment, two network interfaces of SDH/MSTP open the special VC4 channels with adjacent MSTP respectively, form based on exchange
The HSR looped networks of machine realize SDH transmission network peer-to-peer communications.
(6) control station is connected by POS mouthfuls with next stage SDH transmission networks, is passed through between SDH telecommunication transport networks and execution station
E1 mouthfuls are connected, and form the POWER SYSTEM SDH transmission web frame of multi-layer.
(7) demand is transmitted according to SDH communications network service, the model parameter of each network node is configured.It to be set
Design parameter it is as follows：
1) SDH equipment model parameter：
1.1) the data transmit-receive rate on SDH ports；
1.2) the data transmit-receive rate on e1 port；
1.3) MAC Address of Ethernet ports；
1.4) Ethernet port duplexes pattern；
1.5) Ethernet frames burst function；
1.6) Ethernet ports promiscuous mode；
1.7) IP address of communication port；
1.8) subnet mask of communication port；
1.9) IP routing protocol that communication uses.
2) control station network node model parameter：
2.1) purpose IP address that business reports；
2.2) message size of business is reported；
2.3) at the beginning of business reports；
2.4) time interval that business reports；
2.5) dwell time that business reports；
2.6) the data transmit-receive rate on SDH ports
2.7) MAC Address of Ethernet ports；
2.8) Ethernet port duplexes pattern；
2.9) Ethernet frames burst function；
2.10) Ethernet ports promiscuous mode；
2.11) IP address of communication port.
2.12) subnet mask of communication port.
2.13) IP routing protocol that communication uses.
2.14) the loopback IP address of node itself.
2.15) subnet mask of loopback.
3) station network node model parameter is performed：
3.1) purpose IP address that business reports；
3.2) message size of business is reported；
3.3) at the beginning of business reports；
3.4) time interval that business reports；
3.5) dwell time that business reports；
3.6) the data transmit-receive rate on SDH ports；
3.7) the data transmit-receive rate on e1 port；
3.8) MAC Address of Ethernet ports；
3.9) Ethernet port duplexes pattern；
3.10) Ethernet frames burst function；
3.11) Ethernet ports promiscuous mode；
3.12) IP address of communication port.
3.13) subnet mask of communication port.
3.14) IP routing protocol that communication uses.
3.15) the loopback IP address of node itself.
3.16) subnet mask of loopback.
(8) according to the network performance analysis needs of SDH telecommunication transport networks, Configuration network Run-time scenario finally establishes electric power
System SDH telecommunication transport network multi-layer OPNET simulation models, and pass through and perform simulated program collection global statistics, node system
Metering and link statistics amount, mainly including performance indicators such as network delay, shake, bandwidth, finally with the forms exhibition such as figure, table
It is existing.
The basic principles, main features and the advantages of the invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (7)
1. a kind of POWER SYSTEM SDH communications Nets Simulation Modelling Method based on OPNET, which is characterized in that including walking as follows
Suddenly：
Step 1) is believed according to the multi-layer topological structure of POWER SYSTEM SDH telecommunication transport network, types of network equipment, geographical location
Breath, transmission range and control station and the communication requirement for performing station, using OPNET Network Simulation Softwares, establish synchronous digital body
It is the multi-layer network topology structure of SDH telecommunication transport networks；
Step 2) first with the Create Custom Object window creation SDH network nodes of OPNET, is then established respectively
SDH process models, SDH frames model, E1 process models, E1 frames model and VC channel patterns, form complete SDH/MSTP and set
Standby model；
Step 3), according to the traffic demands of each control station of electric system, first with the Create Custom of OPNET
Object window creation control station network nodes, then setting SDH communication port, Ethernet communication port, IP routings respectively
Agreement forms control station network node model；
Step 4) respectively performs the communication service feature at station according to electric system, first with the Create Custom of OPNET
Object window creations perform station network node, then setting SDH communication port, Ethernet communication port, E1 communications respectively
Port, IP routing protocol and business process is reported, form and perform station network node model；
Then two network interfaces of interchanger are linked into SDH/MSTP by step 5), control station network node access switch first
Two network interfaces of equipment, two network interfaces of SDH/MSTP equipment open the special VC4 channels with adjacent MSTP respectively, and composition is based on
The HSR looped networks of interchanger realize SDH transmission network peer-to-peer communications；
Step 6), control station are connected by POS mouthfuls with next stage SDH transmission networks, pass through E1 mouthfuls between SDH transmission networks and execution station
It is connected, forms the POWER SYSTEM SDH transmission web frame of multi-layer；
Step 7) transmits demand according to SDH communications network service, the model parameter of each network node is configured.
2. the POWER SYSTEM SDH communications Nets Simulation Modelling Method according to claim 1 based on OPNET, feature
It is, the SDH/MSTP device models, control station network node model and the parameter packet for performing station network node model three
Include SDH communication port parameter, E1 communication port parameter, Ethernet communication port parameter, IP agreement parameter and service generation ginseng
Number.
3. the POWER SYSTEM SDH communications Nets Simulation Modelling Method according to claim 1 based on OPNET, feature
It is, in step 1), ground that the actual geographic position in the SDH telecommunication transport networks where each communication equipment is provided with OPNET
Picture library is simulated.
4. the POWER SYSTEM SDH communications Nets Simulation Modelling Method according to claim 1 based on OPNET, feature
It is, in step 7), the concrete model parameter to be set includes SDH equipment model parameter, control station network node model is joined
Number and execution station network node model parameter.
5. the POWER SYSTEM SDH communications Nets Simulation Modelling Method according to claim 1 based on OPNET, feature
It is, the SDH equipment model parameter includes：
1.1) the data transmit-receive rate on SDH ports；
1.2) the data transmit-receive rate on e1 port；
1.3) MAC Address of Ethernet ports；
1.4) Ethernet port duplexes pattern；
1.5) Ethernet frames burst function；
1.6) Ethernet ports promiscuous mode；
1.7) IP address of communication port；
1.8) subnet mask of communication port；
1.9) IP routing protocol that communication uses.
6. the POWER SYSTEM SDH communications Nets Simulation Modelling Method according to claim 1 based on OPNET, feature
It is, the control station network node model parameter includes：
2.1) purpose IP address that business reports；
2.2) message size of business is reported；
2.3) at the beginning of business reports；
2.4) time interval that business reports；
2.5) dwell time that business reports；
2.6) the data transmit-receive rate on SDH ports
2.7) MAC Address of Ethernet ports；
2.8) Ethernet port duplexes pattern；
2.9) Ethernet frames burst function；
2.10) Ethernet ports promiscuous mode；
2.11) IP address of communication port；
2.12) subnet mask of communication port；
2.13) IP routing protocol that communication uses；
2.14) the loopback IP address of node itself；
2.15) subnet mask of loopback.
7. the POWER SYSTEM SDH communications Nets Simulation Modelling Method according to claim 1 based on OPNET, feature
It is, the station network node model parameter that performs includes：
3.1) purpose IP address that business reports；
3.2) message size of business is reported；
3.3) at the beginning of business reports；
3.4) time interval that business reports；
3.5) dwell time that business reports；
3.6) the data transmit-receive rate on SDH ports；
3.7) the data transmit-receive rate on e1 port；
3.8) MAC Address of Ethernet ports；
3.9) Ethernet port duplexes pattern；
3.10) Ethernet frames burst function；
3.11) Ethernet ports promiscuous mode；
3.12) IP address of communication port；
3.13) subnet mask of communication port；
3.14) IP routing protocol that communication uses；
3.15) the loopback IP address of node itself；
3.16) subnet mask of loopback.
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| CN201810309908.9A CN108270628B (en) | 2018-04-08 | 2018-04-08 | OPNET-based power system SDH communication transmission network simulation modeling method |
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| CN114765583A (en) * | 2020-12-30 | 2022-07-19 | 中核控制系统工程有限公司 | Test system and method for security level ring network |
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Also Published As
| Publication number | Publication date |
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| CN108270628B (en) | 2021-05-28 |
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