CN108650147A - Optical Transmission Network OTN semi-physical real-time simulation system and method - Google Patents
Optical Transmission Network OTN semi-physical real-time simulation system and method Download PDFInfo
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- CN108650147A CN108650147A CN201810312576.XA CN201810312576A CN108650147A CN 108650147 A CN108650147 A CN 108650147A CN 201810312576 A CN201810312576 A CN 201810312576A CN 108650147 A CN108650147 A CN 108650147A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/50—Testing arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
- H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
- H04B10/079—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using measurements of the data signal
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Abstract
The present invention relates to a kind of Optical Transmission Network OTN semi-physical real-time simulation system and methods, including optical transmission device, the optical transmission device is configured to looped network network element with network management system, and the external business device on the slot position board of the optical transmission device, it further include simulated analog computer, transmission network simulator is equipped in the simulated analog computer, discrete event simulation software is equipped in the transmission network simulator, transmission network node is prepared in the simulation softward, the line-side interface of the optical transmission device is connect by half packet capturing equipment in kind with the transmission network node.The present invention is directed to low speed Optical Transmission Network OTN, realizes the extensive real-time analog simulation being combined by the real equipment and virtual unit.
Description
Technical field
The present invention relates to the technical field of information communication, refer in particular to a kind of Optical Transmission Network OTN semi-physical real-time simulation system and
Method.
Background technology
Optical Transmission Network OTN traffic rate is generally relatively high, the common transmission device of communication network operator generally 10Gbps with
On, configuration service data volume is also bigger, and single node electricity intersects data volume and can reach tens Gbps.Therefore with several GHz's of dominant frequency
Computer electric crossover nodes multiple to Optical Transmission Network OTN carry out real-time network emulation and acquire a certain degree of difficulty.Although real-time Optical Transmission Network OTN emulation
It is more difficult, but still have the analogue simulation system of some Optical Transmission Network OTNs static state, include specifically for the quiet of transmission network planning and designing
State calculates, and for the assessment of transmission network network topology structure and business configuration method optimizing, and is directed to transmission network resource allocation
Network management platform emulation of preview etc..
With information-based propulsion, the demand of every profession and trade network communication all greatly increases.And some involve the interests of the state and the people
Special dimension, such as power grid, army, politics and law, oil, railway, bank's industry department, in order to ensure main business system safety
Stable operation and classified information it is safe and reliable, privately owned private network is built in often selection（Private Network）Meet internal
The information communication requirement of business.Trade Special Network generally has following characteristics：（1）Business datum amount is generally little in industry；（2）Certain
A little business are relatively high to requirement of real-time, more sensitive to propagation delay time, including such as data acquisition, remote control, authorization identifying
Etc. business；（3）It needs to consider network reliability and stability when transmission network business configuration, to direct writing when service communication fails
System has huge dynamic cascading effect；（4）Trade Special Network builds the network that updating speed is generally below common carrier, and
With equipment purchase age difference, the different feature of more producers of supplier.
It is existing for by the processing mode that communication line is influenced being directly to adjust in production environment in trade Special Network, this
Kind blindly adjusts, and can cause to introduce potential risk in entire trade Special Network.
Invention content
For this purpose, technical problem to be solved by the present invention lies in overcome to ask for low speed Optical Transmission Network OTN in the prior art
It is blindly adjusted in production environment when topic, causes to may be implemented to implement on a large scale to provide one kind the problem of introducing potential risk
Analogue simulation avoids the Optical Transmission Network OTN semi-physical real-time simulation system blindly adjusted and method.
In order to solve the above technical problems, a kind of Optical Transmission Network OTN semi-physical real-time simulation system of the present invention, including optical transport
Equipment, the optical transmission device are configured to looped network network element with network management system, and on the slot position board of the optical transmission device
External business device further includes simulated analog computer, and transmission network simulator, the biography are equipped in the simulated analog computer
It is equipped with discrete event simulation software in defeated net simulator, transmission network node, the optical transmission device are prepared in the simulation softward
Line-side interface connect with the transmission network node by half packet capturing equipment in kind, described in the half material object packet capturing equipment captures
The business datum transmitted in optical transmission device, and the business datum is packaged into Ethernet data bag, passes through Ethernet interface
It is sent to transmission network simulator, deployment transmission network simulation is topological in the transmission network simulator, soft with the discrete event simulation
Shang Lu, lower road and the electric intersection behavior of each node of part analogue transmission net, recycle the transmission network node to pass through Ethernet interface
Data service is sent to described half packet capturing equipment in kind, the half packet capturing equipment in kind grabs the transmission network simulation topology
After the data sent, business datum is extracted, after eliminating the delay variation that business datum successively reaches, business datum is filled into
In the correspondence time slot and virtual container that transmit net data frame, the transmission net data frame receives business number in next real node
According to completing the associative simulation of entire Optical Transmission Network OTN looped network communication.
In one embodiment of the invention, the Ethernet outlet of the simulated analog computer is mapped to server physics
The ports GE, the ports GE are connect with described half packet capturing equipment in kind again.
In one embodiment of the invention, another network interface of the simulated analog computer and server internal are virtual
The virtual switch changed in environment is connected.
In one embodiment of the invention, in the simulation softward, the Optical Transmission Network OTN business datum of simulation is encapsulated in
In Ethernet data bag, adjacent simulated analog computer is sent to by edge transmission network node.
In one embodiment of the invention, the edge transmission network node is as transmitting terminal, in Ethernet data bag
Add timestamp.
In one embodiment of the invention, the edge transmission network node connects as receiving terminal, the receiving terminal setting
Buffering area is received, circuit constant transmissions time delay is set.
In one embodiment of the invention, the business device includes E1 interfaces, FE interfaces.
In one embodiment of the invention, the transmission network node be interconnected to form ring topology, chain topology or
The nested complex topology formed is intersected by basic topology.
The invention also discloses a kind of Optical Transmission Network OTN semi-physical real-time simulation methods, include the following steps：Crawl transmission
Business datum, and the business datum is packaged into Ethernet data bag, is sent out by Ethernet interface；Pass through analogue transmission net
Shang Lu, lower road and the electric intersection behavior of each node handle the business datum, then are sent out data service by Ethernet interface；
After capturing the data that send out, extract business datum, after eliminating the delay variation that business datum successively reaches, to business datum into
Row filling；Business datum is received in next real node, the joint for so far completing entire Optical Transmission Network OTN looped network communication is imitative
Very.
The invention also discloses a kind of Optical Transmission Network OTN semi-physical real-time simulation methods, include the following steps：Crawl transmission
Business datum, and the business datum is packaged into Ethernet data bag, is sent out by Ethernet interface；Crawl is by passing through simulation
The Shang Lu of each node of transmission network, lower road and electric intersection behavior are handled after the business datum again by Ethernet interface by data industry
The data that business is sent out extract business datum, after eliminating the delay variation that business datum successively reaches, are filled out to business datum
It fills, business datum is received in next real node.
The above technical solution of the present invention has the following advantages over the prior art：
Optical Transmission Network OTN semi-physical real-time simulation system of the present invention and method are imitated with real-time discrete event simulation software
True small range Optical Transmission Network OTN transport behavior, electric crossing event is mapped in DES events, and the DES in a simulation softward is advised
Mold shrinkage is small, ensures to complete in real time；By the transmission network business packed of emulation into Ethernet data bag, is extended and connected using Ethernet interface
Multiple simulation computers are connect, the scale of real-time simulation transmission network is expanded；The optical transmission device and half packet capturing in kind are set
Standby connection captures business datum from transmission network, encloses Ethernet data bag, using Ethernet interface and half packet capturing equipment in kind,
Low speed optical transmission device is connected with simulated analog computer, carries out optical transport behavior real-time analog simulation, is directed to realize
Low speed Optical Transmission Network OTN, the extensive real-time analog simulation for making the real equipment and virtual unit be combined.
Description of the drawings
In order to make the content of the present invention more clearly understood, it below according to specific embodiments of the present invention and combines
Attached drawing, the present invention is described in further detail, wherein
Fig. 1 is Optical Transmission Network OTN semi-physical real-time simulation system schematic diagram of the present invention；
Fig. 2 is the extensive topological schematic diagram of Optical Transmission Network OTN emulation of the invention；
Fig. 3 is Optical Transmission Network OTN real-time simulation topology schematic diagram of the present invention.
Specific implementation mode
Embodiment one
As shown in Figure 1, the present embodiment provides a kind of Optical Transmission Network OTN semi-physical real-time simulation system, including optical transmission device 10, institute
It states optical transmission device 10 and is configured to looped network network element with network management system, and is external on the slot position board of the optical transmission device 10
Business device, the analogue system further include simulated analog computer 20, and transmission network is equipped in the simulated analog computer 20
Simulator is equipped with discrete event simulation software in the transmission network simulator, transmission network node 21 is prepared in the simulation softward,
The line-side interface of the optical transmission device 10 is connect by half packet capturing equipment 30 in kind with the transmission network node 21, and described half
Packet capturing equipment 30 in kind captures the business datum transmitted in the optical transmission device 10, and the business datum is packaged into ether
Network data packet is sent to transmission network simulator by Ethernet interface, transmission network simulation is disposed in the transmission network simulator and is opened up
It flutters, with the Shang Lu of each node of the discrete event simulation software analogue transmission net, lower road and electric intersection behavior, described in recycling
Data service is sent to described half packet capturing equipment 30 in kind by transmission network node 21 by Ethernet interface, and half packet capturing in kind is set
After standby 30 grab the data that the transmission network simulation topology is sent, business datum is extracted, is successively reached eliminating business datum
Delay variation after, by business datum be filled into transmission net data frame correspondence time slot and virtual container in, the transmission network data
Frame receives business datum in next real node, completes the associative simulation of entire Optical Transmission Network OTN looped network communication.
Optical Transmission Network OTN semi-physical real-time simulation system described in the present embodiment, including optical transmission device 10, simulation calculation
Machine 20 and half packet capturing equipment 30 in kind, wherein the optical transmission device 10 is configured to looped network network element with network management system, and
External business device on the slot position board of the optical transmission device 10 is equipped with transmission network in the simulated analog computer 20 and simulates
Device is equipped with discrete event simulation software in the transmission network simulator, will be handed over the electricity of business time-slot in the simulation softward
Fork processing is mapped as discrete analog(ue) event, and transmission network node 21 is prepared in the simulation softward, and single electricity is handed in simulation softward
After fork discrete event is triggered, the transmission network node 21 only changes repeat in work information when making electric cross processing for business,
The duplication and transmission of business datum are carried out not in the memory of the simulated analog computer 20, therefore greatly shorten industry
The discrete event processing time that business electricity intersects, the line-side interface of the optical transmission device 10 by half packet capturing equipment 30 in kind with
The transmission network node 21 connects, and the half packet capturing equipment 30 in kind can will be in the STM-64/ of Optical Transmission Network OTN transmission line trackside
Business information in the data frames such as STM-16 crawls out, and is packaged into Ethernet data bag and is sent to the simulation calculation
Machine 20, in addition, described half packet capturing equipment in kind 30 by the business datum exported in the transmission network node 21 according to webmaster business
Configuration information is filled into transmission network frame structure, is transmitted to real transmission device node, to carry out the Optical Transmission Network OTN of actual situation combination
Real-time analog simulation realizes the transmission network scale for expanding emulation, can not only carry out real-time Optical Transmission Network OTN emulation, is convenient for and real
The very high actual physical system of when property carries out coupling Simulation, such as PMU, WAMS device systems of electric system；And it can be into
The extensive real-time simulation of row complex network topologies provides real-time simulation for the complicated controlled system influenced by communication line
The possibility of its behavior reaction；Furthermore it is also possible to provide a kind of test preview means for transmission network topology adjustment, avoid in life
It is blindly adjusted in production environment, avoids introducing potential risks, specifically, the half packet capturing equipment 30 in kind captures the optical transport
The business datum transmitted in equipment 10, and the business datum is packaged into Ethernet data bag, is sent by Ethernet interface
Transmission network simulator is given, transmission network simulation topology is disposed in the transmission network simulator, with the discrete event simulation software mould
Intend Shang Lu, lower road and the electric intersection behavior of each node of transmission network to handle the business datum, recycles the transmission network section
Data service is sent to described half packet capturing equipment 30 in kind by point 21 by Ethernet interface, and the half packet capturing equipment 30 in kind captures
After the data sent to transmission network simulation topology, business datum is extracted, is trembled eliminating the time delay that business datum successively reaches
After dynamic, business datum is filled into the correspondence time slot and virtual container of transmission net data frame, the transmission net data frame is next
Business datum is received in a real node, completes the associative simulation of entire Optical Transmission Network OTN looped network communication.
It is interconnected by Ethernet between the simulated analog computer 20, wherein every 20 mould of simulated analog computer
Intend a small amount of transmission network repeat in work node, so as to realize mass transport net real-time simulation.The simulated analog computer
20 prepare there are two network interface, and one of network interface is Ethernet outlet, and Ethernet outlet is mapped to the physics of server
The ports GE, the ports GE connects with described half packet capturing equipment 30 in kind again, to realize the simulated analog computer 20 and
The connection of the half packet capturing equipment 30 in kind；Another network interface of the simulated analog computer 20 is virtualized with server internal
Virtual switch in environment is connected, since other simulated analog computers 20 are also connected to the virtual switch
On, therefore can realize between the simulated analog computer 20 and be interconnected in server internal.
The half packet capturing equipment 30 in kind is equipped with half interface in kind of Ethernet, and half interface in kind of the Ethernet, which has, grabs
Service wrappers and filling transmitting data frame is unpacked, by the transmission network business packed of emulation into Ethernet data bag, using described
Half Interface Expanding in kind of Ethernet connects multiple simulated analog computers 20, expands the scale of real-time simulation transmission network.Described half
Packet capturing equipment 30 in kind can also external measuring instrument instrument, transmission network performance data can also be captured by embedded probe, do performance
Test, the function can provide true measurement result for network topology, business configuration method optimizing.
In the simulation softward, the Optical Transmission Network OTN business datum of simulation is encapsulated in Ethernet data bag, edge is passed through
Transmission network node 21A is sent to adjacent simulated analog computer 20, is conducive to the network topology extension for carrying out Optical Transmission Network OTN, expands
The scale of big real-time simulation transmission network.The edge transmission network node 21A is as transmitting terminal, when being added in Ethernet data bag
Between.The edge transmission network node 21A receives buffering area, circuit constant transmissions is arranged as receiving terminal, the receiving terminal setting
Time delay brings delay variation when Ethernet being avoided to transmit, ensure the transport layer data frame between adjacent simulated analog computer 20
It is synchronous.
As shown in Fig. 2, in the emulation server of 8 tunnel, 192 kernel, 44 CPU, 8G memories of distribution, double gigabits
The simulated analog computer 20 of network interface installs discrete event simulation software, Mei Gemo in the simulated analog computer 20 respectively
3 transmission network nodes 21 are configured in quasi- software, the looped network of 12 nodes is made up of configure simulation softward half interface in kind.It is described
Transmission network node 21 is interconnected to form ring topology, chain topology or intersects the nested complex topology formed by basic topology
Deng to be conducive to the service signal of protection transmission, wherein the ring topology further includes overlapping and nested structure.
As shown in figure 3, distributing 1 simulated analog computer 20, the simulated analog computer 20 in emulation server
4 simulation nodes are configured, the Ethernet outlet of the simulated analog computer 20 is mapped to the ports physics GE of server, described
The ports GE are connect with described half packet capturing equipment 30 in kind again, to realize that the simulated analog computer 20 is grabbed with half material object
The connection of packet equipment 30.The optical transmission device 10 is configured to looped network network element with network management system, and in the optical transmission device
External FE interfaces and E1 interfaces on 10 slot position board set the line-side interface of the optical transmission device 10 and half packet capturing in kind
Standby 30 connection, according to above topology with postponing, by between FE business devices after actual situation hybrid real-time simulation system and E1 business
Communication connection can be established between equipment.
The business device includes E1 interfaces, FE interfaces and other business interfaces, and the optical transmission device 10 passes through described
E1 interfaces can connect the equipment such as phone, and the optical transmission device 10 can connect apparatus such as computer, institute by the FE interfaces
State the business datum that E1, FE are filled in transmission network frame structure.
In the present embodiment, as shown in Figure 1, distributing 2 simulated analog computers 20 in the emulation server, every imitative
True simulation computer 20 configures two network interfaces, 3 simulation nodes 21 is respectively configured in each simulation softward, by every analogue simulation
The Ethernet outlet of computer 20 is mapped to the ports physics GE of server, another network interface is mutual using virtual switch
Connection, the ports two of which physics GE are connected with two and half packet capturing equipment 30 in kind respectively.The webmaster system of the optical transmission device 10
It is under unified central planning to be set to looped network network element, and external FE interfaces and E1 interfaces on the slot position board of optical transmission device 10, the light is passed
The line-side interface of transfer device 10 and the half packet capturing equipment 30 in kind connect, and according to above topology with postponing, are mixed by actual situation
Communication connection can be established between E1 business devices between FE business devices after conjunction real-time emulation system.
It how is described in detail below by the Optical Transmission Network OTN semi-physical real-time simulation system realization optical transmission device
With the associative simulation of simulation software：
As shown in Figure 1, first, deployment associative simulation topology specifically disposes two optical transmission devices 10 and two and half material objects is grabbed
Packet equipment 30 connects into chain topology using the circuit side ports of 622M rates, this part is Optical Transmission Network OTN equipment；Deployment two
Simulated analog computer 20 is interconnected using GE Ethernet interfaces, and is connected with described half packet capturing equipment 30 in kind, this portion
Divide simulation Optical Transmission Network OTN；622M circuits side business and turn of GE Ethernet data bags are carried out using described half packet capturing equipment 30 in kind
It changes；Secondly, two optical transmission devices are configured with the webmastering software of the Optical Transmission Network OTN equipment 10, configures topological structure, in configuration
Road, lower road business；Described half packet capturing equipment 30 in kind is configured, so that it is captured business datum from the data frame of the line sides 622M, often
Business is encapsulated into ethernet data frame after addition temporal information and service configuration information；The transmission network simulator passes through
After Ethernet interface receives business datum and temporal information, software internal model is carried out according to preconfigured topology and business information
Forwarding between quasi- node；The edge transmission network node 21A receives renewal time information after forwarding data packet, passes through ether
Network interface is sent to next receiving device（May be either half packet capturing equipment in kind of next simulation computer）；Described half
After packet capturing equipment 30 in kind grabs Ethernet data bag, FIFO is put it into（First Input First Output：First enter
First go out to line up）In buffering area, fixed reading time delay is set and reads interval, the data delay that Ethernet introducing is eliminated with this is trembled
It is dynamic, the business datum in FIFO is Resealed into the line side data frame of 622M rates with the fixed cycle；It is real from described half
The 622M circuit side datas that object packet capturing equipment 30 exports, access true Optical Transmission Network OTN equipment, to form entire ring-shaped light again
Transmit net topology；After starting emulation, to realize the associative simulation of real transmission net equipment and Virtual Transport Network equipment.
Embodiment two
Based on same inventive concept, a kind of Optical Transmission Network OTN semi-physical real-time simulation method is present embodiments provided, embodiment is utilized
Optical Transmission Network OTN semi-physical real-time simulation system described in one carries out Optical Transmission Network OTN business Propagation Simulation, the original solved the problems, such as in real time
Reason is similar with the Optical Transmission Network OTN semi-physical real-time simulation system, and overlaps will not be repeated.
The step of Optical Transmission Network OTN semi-physical real-time simulation method is：
The business datum of transmission is captured, and the business datum is packaged into Ethernet data bag, is sent out by Ethernet interface；
Shang Lu, lower road and the electric intersection behavior of each node of analogue transmission net handle the business datum, then pass through Ethernet interface
Data service is sent out；
After capturing the data sent out, business datum is extracted, after eliminating the delay variation that business datum successively reaches, to business number
According to being filled；
Business datum is received in next real node, so far completes the associative simulation of entire Optical Transmission Network OTN looped network communication.
Embodiment three
Based on same inventive concept, a kind of Optical Transmission Network OTN semi-physical real-time simulation method is present embodiments provided, embodiment is utilized
Optical Transmission Network OTN semi-physical real-time simulation system described in one carries out Optical Transmission Network OTN business Propagation Simulation, the original solved the problems, such as in real time
Reason is similar with the Optical Transmission Network OTN semi-physical real-time simulation system, and overlaps will not be repeated.
The step of Optical Transmission Network OTN semi-physical real-time simulation method is：
The business datum of transmission is captured, and the business datum is packaged into Ethernet data bag, is sent out by Ethernet interface；
Crawl is led to again after handling the business datum by Shang Lu, lower road and the electric intersection behavior by each node of analogue transmission net
The data that Ethernet interface sends out data service are crossed, business datum is extracted, in the delay variation for eliminating business datum successively arrival
Afterwards, business datum is filled, business datum is received in next real node.
In addition, in the present embodiment, the method for eliminating the delay variation that business datum successively reaches is：Described half
Fixed intervals and fixed delay are set in packet capturing equipment 30 in kind, delay variation is brought when to avoid Ethernet from transmitting, is ensured
Transport layer data frame synchronization between adjacent simulated analog computer 20.
Obviously, the above embodiments are merely examples for clarifying the description, does not limit the embodiments.For
For those of ordinary skill in the art, other different form variations can also be made on the basis of the above description or are become
It is dynamic.There is no necessity and possibility to exhaust all the enbodiments.And obvious variation extended from this or change
It is dynamic still within the protection scope of the invention.
Claims (10)
1. a kind of Optical Transmission Network OTN semi-physical real-time simulation system, including optical transmission device, the optical transmission device network management system
It is configured to looped network network element, and the external business device on the slot position board of the optical transmission device, it is characterised in that：Further include
Simulated analog computer is equipped with transmission network simulator in the simulated analog computer, be equipped in the transmission network simulator from
Event simulation software is dissipated, transmission network node is prepared in the simulation softward, the line-side interface of the optical transmission device passes through half
Packet capturing equipment in kind is connect with the transmission network node, and described half packet capturing equipment in kind captures to be transmitted in the optical transmission device
Business datum, and the business datum is packaged into Ethernet data bag, and transmission network simulator is sent to by Ethernet interface,
Transmission network simulation topology is disposed in the transmission network simulator, with each node of the discrete event simulation software analogue transmission net
Shang Lu, lower road and electric intersection behavior, recycle the transmission network node that data service is sent to by Ethernet interface described
Half packet capturing equipment in kind extracts industry after the half packet capturing equipment in kind grabs the data that the transmission network simulation topology is sent
Business datum is filled into the correspondence of transmission net data frame by data of being engaged in after eliminating the delay variation that business datum successively reaches
In time slot and virtual container, the transmission net data frame receives business datum in next real node, completes entire optical transport
The associative simulation of net looped network communication.
2. Optical Transmission Network OTN semi-physical real-time simulation system according to claim 1, it is characterised in that：The simulation calculation
The Ethernet outlet of machine is mapped to the ports server physics GE, and the ports GE are connect with described half packet capturing equipment in kind again.
3. Optical Transmission Network OTN semi-physical real-time simulation system according to claim 1, it is characterised in that：The simulation calculation
Another network interface of machine is connected with the virtual switch in server internal virtualized environment.
4. Optical Transmission Network OTN semi-physical real-time simulation system according to claim 1, it is characterised in that：In the simulation softward,
The Optical Transmission Network OTN business datum of simulation is encapsulated in Ethernet data bag, adjacent imitate is sent to by edge transmission network node
True simulation computer.
5. Optical Transmission Network OTN semi-physical real-time simulation system according to claim 4, it is characterised in that：The edge transmission network section
Point is used as transmitting terminal, and timestamp is added in Ethernet data bag.
6. Optical Transmission Network OTN semi-physical real-time simulation system according to claim 4, it is characterised in that：The edge transmission network section
Point is used as receiving terminal, the receiving terminal setting to receive buffering area, circuit constant transmissions time delay is arranged.
7. Optical Transmission Network OTN semi-physical real-time simulation simulation system according to claim 1, it is characterised in that：The business device
Including E1 interfaces, FE interfaces.
8. Optical Transmission Network OTN semi-physical real-time simulation system according to claim 1, it is characterised in that：The transmission network node phase
It connects to form ring topology, chain topology or intersect the nested complex topology formed by basic topology.
9. a kind of Optical Transmission Network OTN semi-physical real-time simulation method, which is characterized in that include the following steps：
The business datum of transmission is captured, and the business datum is packaged into Ethernet data bag, is sent out by Ethernet interface；
The business datum is handled by the Shang Lu of each node of analogue transmission net, lower road and electric intersection behavior, then passes through ether
Network interface sends out data service；
After capturing the data sent out, business datum is extracted, after eliminating the delay variation that business datum successively reaches, to business number
According to being filled；
Business datum is received in next real node, so far completes the associative simulation of entire Optical Transmission Network OTN looped network communication.
10. a kind of Optical Transmission Network OTN semi-physical real-time simulation method, which is characterized in that include the following steps：
The business datum of transmission is captured, and the business datum is packaged into Ethernet data bag, is sent out by Ethernet interface；
Crawl is led to again after handling the business datum by Shang Lu, lower road and the electric intersection behavior by each node of analogue transmission net
The data that Ethernet interface sends out data service are crossed, business datum is extracted, in the delay variation for eliminating business datum successively arrival
Afterwards, business datum is filled, business datum is received in next real node.
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| CN110430072A (en) * | 2019-07-26 | 2019-11-08 | 中国电力科学研究院有限公司 | A kind of system and method carried out data transmission for controlling transmission device |
| CN111381575A (en) * | 2018-12-28 | 2020-07-07 | 成都鼎桥通信技术有限公司 | Automatic test method, device, server, electronic equipment and storage medium |
| CN113392502A (en) * | 2021-05-13 | 2021-09-14 | 国网河北省电力有限公司培训中心 | Simulation system and method for optical transport network circuit board training |
| CN113612644A (en) * | 2021-08-05 | 2021-11-05 | 烽火通信科技股份有限公司 | Dynamic simulation method and system for network elements of transmission network |
| CN114745285A (en) * | 2022-04-11 | 2022-07-12 | 电子科技大学 | Large-scale distributed virtual network simulation method based on virtual container |
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| CN113612644B (en) * | 2021-08-05 | 2023-07-21 | 烽火通信科技股份有限公司 | Dynamic simulation method and system for network element of transmission network |
| CN114745285A (en) * | 2022-04-11 | 2022-07-12 | 电子科技大学 | Large-scale distributed virtual network simulation method based on virtual container |
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