CN205545744U - Business system of bearing of power communication network OTN system - Google Patents
Business system of bearing of power communication network OTN system Download PDFInfo
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- CN205545744U CN205545744U CN201620355302.5U CN201620355302U CN205545744U CN 205545744 U CN205545744 U CN 205545744U CN 201620355302 U CN201620355302 U CN 201620355302U CN 205545744 U CN205545744 U CN 205545744U
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Abstract
The utility model discloses a business system of bearing of power communication network OTN system, the core layer, it is including bearing the professional a plurality of core nodes of transformer substation, interconnected through the light path of different routes between the core node to the node of corresponding independent convergence -level is inserted respectively through the light path, the convergence -level including the node that assembles of the trunk of PTN system transmission, assembles through the light path interconnection between the node, the access layer for realize the professional access of transformer substation, does the node of every access layer insert corresponding independent convergence -level node respectively through the GE light path of different routes, in order to satisfy power communication network light path N 1 the requirement of operation, core layer, convergence -level and access layer constitute the PTN network topology structure, and the PTN network topology structure adopts OTN's channel multiplexing mode. The utility model discloses accomplish PTN system of transformer substation based on the OTN system and cover, the utilization ratio of reduction OTN system light wave resource in the networking of realization PTN system in the transformer substation.
Description
Technical field
This utility model relates to the communications field, is specifically related to the service bearer system of a kind of power telecom network OTN system.
Background technology
With the fast development of electrical network, transformer station is to next step intelligent progress, and transformer station's high-definition video monitoring, robot patrol
It is main that the business such as the bulky grain such as inspection produces, management business has replaced traditional relay protection, automatization become power telecom network
Bandwidth occupancy person.PTN is one of key technology realizing the access of bulky grain IP operation at present, but owing to PTN system is mainly fixed
It is positioned at metropolitan area to access, long range propagation poor-performing.Line cable fibre core resource is the most nervous, it is difficult to provide connection for PTN device
Independent fibre core needed for net.
Professional term the application occur is explained:
OTN is the abbreviation of OpticalTransportNetwork, and Chinese is: optical transfer network, is with wavelength-division multiplex skill
Based on art, at the transmission net of light layer tissue network, it it is follow-on Backbone Transport Network.PTN is Packet Transport
Network abridges, and Chinese is: Packet Transport Network.
In ODUk, ODU literal translation is light data cell (being referred to as optical channel data cell in specialty), and k is the rank of ODU.k
Value 1,2 and 3.ODU1 is the message structure after 2.5G client signal adds OPU1 expense and ODU1 expense；ODU2 is 10G client
Signal adds the message structure after OPU2 expense and ODU2 expense；ODU3 is that 40G client signal adds OPU3 expense and ODU3 opens
Message structure after pin.
DCN is the abbreviation of English Data Communication Network, and the Chinese meaning is data communication network.
Utility model content
For solving the deficiency that prior art exists, the utility model discloses the business of a kind of power telecom network OTN system
Bearing system and method, this utility model utilizes existing OTN system to open the interconnection light path of substation PT N equipment room, it is achieved
PTN system networking in transformer station.Simultaneously in order to improve the utilization rate of OTN system light wave resource, this utility model PTN system
Using the networking mode of tangent rings, choose the PTN core looped network of 8 core node composition 10GE speed, non-core node passes through 1
+ 1GE light path two point accesses core node.
For achieving the above object, concrete scheme of the present utility model is as follows:
A kind of service bearer system of power telecom network OTN system, including:
Core layer, including multiple core nodes of carrying transformer station business, the light being route by difference between core node
Road interconnects, and is respectively connected to the node of the most independent convergence-level by light path；
Convergence-level, including the aggregation node of the backbone transport of PTN system, is interconnected by light path between aggregation node；
Access Layer, for realizing the access of transformer station's business, the GE light path that the node of each Access Layer is route by difference
It is respectively connected to the most independent convergence-level node, to meet the requirement that power telecom network light path N-1 is run；
Core layer, convergence-level and Access Layer constitute PTN network topological structure, and PTN network topological structure uses the passage of OTN
Multiplex mode.
Further, all interconnected by 10GE light path between the core node of described core layer and the aggregation node of convergence-level.
Further, described PTN network topological structure uses core ring to add the mode networking accessing the double first line of a couplet of single node, if
Multiple access nodes of determined number are one group and are coupled to core node by OTN.
Further, the channel multiplexing mode of OTN is specially the passage of OTN and uses multiplex mode based on ODU1 rank,
Each PTN first line of a couplet passage takies the passage of 1 ODU1 rank.
Further, each OTN node be required for configure ODU1 rank business land.
Further, when utilizing 2 aggregation nodes and 4 access node composition service access subrings, 4 access nodes
Share 4 ODU1 in 1 light wave, open the GE light path between access node and core node.
Further, in 6 transformer stations, transformer station A and transformer station B is the aggregation node of convergence-level, and transformer station C-F is
Access Layer node, in transformer station A, B, PTN device is 10GE platform device, accesses the OTN equipment in our station by 10GE light path,
Realize the 10GE light path interconnection between A, B 2 station.In transformer station C-F, PTN device is GE platform device, is connect by 1+1GE light path
Enter in the OTN equipment of our station, open the GE light path to transformer station A, B respectively.
Further, in 6 transformer stations, light wave uses and the arrangement of business configuration is as follows:
Opening 1+0 10GE light path between transformer station A, transformer station B and configure independent light wave, frequency of light wave is 192.10THz,
Wave number is 80；
Transformer station A, OTN network element to the OTN network element of transformer station C, D, E and F of transformer station B share same light wave, light wave frequency
Rate is 192.20THz, and wave number is 79；
The OTN network element of transformer station C, D, E and F takies 1 time slot of the ODU1-4 in 192.30THz light wave respectively, respectively
Open to OTN network element A and the GE light path of OTN network element B.
Further, the light wave that frequency is 192.20THz is utilized to open the unprotect light path between A-F, 4 comprised in light wave
Individual ODU1 carries the GE PTN light path of A to C-F respectively.
ODU1 to ODU4 in the light wave of the most corresponding 192.20THz of network element F, E, D, C.
Further, the business configuration mode in transformer station F
Utilize the light wave that frequency is 192.20THz to open the unprotect light path between A-F and between E-F respectively, carry power transformation
Stand F to the GE light path between transformer station A, B；
During between transformer station A-F, frequency is the light wave of 192.20THz, ODU1 lands at network element A, and ODU2-3 is by intersecting
Plate, between break-through to E-F, frequency is the light wave of 192.20THz；
During between transformer station E-F, frequency is the light wave of 192.20THz, ODU1 lands at network element A, and ODU2-3 is by intersecting
Plate, between break-through to A-F, frequency is the light wave of 192.20THz.
A kind of service bearer method of power telecom network OTN system, including:
Access Layer is responsible for the access of transformer station's business, and the GE light path that each Access Layer node is route by difference is respectively connected to
The most independent convergence-level node, to meet the requirement that power telecom network light path N-1 is run；
Convergence-level realizes the backbone transport of PTN system, is interconnected by light path between aggregation node；
Landing of kernel layer implementation transformer station business, the light path that core node is route by difference interconnects, and passes through light path
It is respectively connected to the aggregation node of the most independent convergence-level.
The beneficial effects of the utility model:
This utility model completes transformer station's PTN system based on OTN system and covers, it is achieved PTN system connection in transformer station
While net, by by 4 PTN channel multiplexings to 1 OTN light wave, it is not necessary to additionally open new wavelength channel, thus carry
The utilization rate of high OTN system light wave resource.
Accompanying drawing explanation
Fig. 1 substation PT N system network topology schematic diagram；
PTN light path bearing mode in Fig. 2 OTN network；
Fig. 3 network element A, B respectively between network element C-F PTN optical service open mode.
Detailed description of the invention:
Below in conjunction with the accompanying drawings this utility model is described in detail:
This utility model is based on existing OTN system, it is proposed that the networking of PTN device in a kind of transformer station.PTN network structure
According to core layer+Access Layer double-decker design, core layer uses the interconnection of 10GE light path, and Access Layer passes through the 1+1GE light path first line of a couplet
To 2 different convergence-level nodes.
Core layer node uses looped network mode networking, and its passage is carried by OTN system, for saving wavelength resource, interconnects light
Road not configuration protection.Access Layer node every 4 form one group, respectively on be coupled to adjacent 2 core layer nodes, for save wavelength money
Source, first line of a couplet light path not configuration protection.
The utility model proposes a kind of mode based on ODUk multiplexing and transmit the mode of Access Layer first line of a couplet passage, 4 connect
Enter layer PTN device and take 1 ODUk, compositing area subring in OTN system respectively, improve the utilization rate of passage.
This utility model uses the ring network structure of PTN, the channel multiplexing mode of OTN to realize power telecom network OTN system
Service bearer,
This utility model is applicable to PTN system employing and " converges according to loop configuration networking+access node by 2 independences
Route accesses 2 different aggregation nodes " mode networking, every 4 access nodes be one group by being coupled to core in OTN system
Node.The passage of OTN system uses multiplex mode based on ODU1 rank, and each PTN first line of a couplet passage takies 1 ODU1 rank
Passage.In OTN system, each OTN network element is required for configuring the business of ODU1 rank and lands.
As it is shown in figure 1, substation PT N system network topology is divided into 3 layers, it is respectively as follows: core layer, convergence-level and access
Layer.Core layer is the node that lands of transformer station's business, and this utility model includes that 2 core nodes are respectively as follows: company home office of province
And overhauling company.The 10GE light path that core node is route by 1+1 difference interconnects, and by being respectively connected to 1+0 10GE light path
2 independent convergence-level nodes.Convergence-level is the backbone transport node of PTN system, and this utility model includes that 8 are converged joint
Point, is interconnected by 1+0 10GE light path between node.Long term can carry out dilatation to convergence-level according to network Development, meets following new
Build the service access demand of transformer station.Access Layer is responsible for the access of transformer station's business, and each Access Layer node is not gone the same way by 1+1
By GE light path be respectively connected to 2 independent convergence-level nodes, with power telecom network light path N-1 run requirement.
Owing to all being interconnected by 10GE light path between core layer node and convergence-level node, need to take independent light wave money
Source, service bearer mode is similar with other OTN business, repeats no more in this utility model.In literary composition, emphasis describes, Access Layer
Node and convergence-level internodal light path bearing mode.
This utility model utilizes the reusable characteristic of OTN system ODUk, utilizes 2 aggregation nodes and 4 access node groups
Becoming service access subring, 4 access nodes are shared 4 ODU1 in 1 light wave, are opened the GE between access node and core node
Light path.
This utility model is in system as a example by the configuration in one of them region, as in figure 2 it is shown, in 6 transformer stations, and power transformation
A and B that stand is convergence-level node, and transformer station C-F is Access Layer node.In transformer station A, B, PTN device is 10GE platform device, logical
Cross 10GE light path and access the OTN equipment in our station, it is achieved the 10GE light path interconnection between A, B 2 station.In transformer station C-F, PTN sets
Standby for GE platform device, accessed by 1+1GE light path in the OTN equipment of our station, open the GE light path to transformer station A, B respectively.
Light wave uses and the arrangement of business configuration is as follows:
In A, B station, OTN opening network element 1+0 10GE light path configures independent light wave, and frequency of light wave is 192.10THz, and wave number is
80；
In A, B station, OTN network element shares same light wave to C, D, E and F OTN network element, and frequency of light wave is 192.20THz, wave number
It is 79.
C, D, E and F OTN network element takies 1 time slot of the ODU1-4 in 192.30THz light wave respectively, opens respectively to net
The GE light path of unit A and network element B.
As it is shown on figure 3, utilize the light wave that frequency is 192.20THz to open the unprotect light path between A-F, light wave comprises
4 ODU1 carry the GE PTN light path of A to C-F respectively.
ODU1 to ODU4 in the light wave of the most corresponding 192.20THz of network element F, E, D, C.
Business configuration mode in transformer station F, is divided into following 3 steps:
(1) utilizing the light wave that frequency is 192.20THz to open the unprotect light path between A-F and between E-F respectively, carrying becomes
Power station F is to the GE light path between transformer station A, B；
(2), during between transformer station A-F OTN network element, frequency is the light wave of 192.20THz, ODU1 lands at network element A,
ODU2-3 passes through cross board, and between break-through to E-F, frequency is the light wave of 192.20THz；
(3), during between transformer station E-F, frequency is the light wave of 192.20THz, ODU1 lands at network element A, and ODU2-3 passes through
Cross board, between break-through to A-F, frequency is the light of 192.20THz.
Although detailed description of the invention of the present utility model is described by the above-mentioned accompanying drawing that combines, but not new to this practicality
The restriction of type protection domain, one of ordinary skill in the art should be understood that on the basis of the technical solution of the utility model, ability
Field technique personnel need not to pay various amendments or deformation that creative work can make still at protection model of the present utility model
Within enclosing.
Claims (5)
1. a service bearer system for power telecom network OTN system, is characterized in that, including:
Core layer, including multiple core nodes of carrying transformer station business, mutual by the different light paths routeing between core node
Connection, and the node of the most independent convergence-level it is respectively connected to by light path；
Convergence-level, including the aggregation node of the backbone transport of PTN system, is interconnected by light path between aggregation node；
Access Layer, for realizing the access of transformer station's business, the GE light path difference that the node of each Access Layer is route by difference
Access the most independent convergence-level node, to meet the requirement that power telecom network light path N-1 is run；
Core layer, convergence-level and Access Layer constitute PTN network topological structure, and PTN network topological structure uses the channel multiplexing of OTN
Mode.
The service bearer system of a kind of power telecom network OTN system the most as claimed in claim 1, is characterized in that, described core
All interconnected by 10GE light path between the core node of layer and the aggregation node of convergence-level.
The service bearer system of a kind of power telecom network OTN system the most as claimed in claim 1, is characterized in that, described PTN net
Network topological structure uses core ring to add the mode networking accessing the double first line of a couplet of single node, sets multiple access nodes of quantity as one group
By being coupled to core node on OTN.
The service bearer system of a kind of power telecom network OTN system the most as claimed in claim 1, is characterized in that, the passage of OTN
Multiplex mode is specially the passage of OTN and uses multiplex mode based on ODU1 rank, and each PTN first line of a couplet passage takies 1 ODU1
The passage of rank.
The service bearer system of a kind of power telecom network OTN system the most as claimed in claim 1, is characterized in that, each OTN saves
Point is required for configuring the business of ODU1 rank and lands.
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| CN201620355302.5U CN205545744U (en) | 2016-04-25 | 2016-04-25 | Business system of bearing of power communication network OTN system |
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| CN201620355302.5U CN205545744U (en) | 2016-04-25 | 2016-04-25 | Business system of bearing of power communication network OTN system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106888113A (en) * | 2017-01-21 | 2017-06-23 | 国网浙江省电力公司绍兴供电公司 | A kind of method and device for intelligent substation business configuration |
| CN108184172A (en) * | 2017-11-16 | 2018-06-19 | 全球能源互联网研究院有限公司 | A kind of power business transmission method and device based on the enhanced optical transfer network of grouping |
| CN111314135A (en) * | 2020-02-17 | 2020-06-19 | 国家电网有限公司 | Power dispatching data network |
| CN112615741A (en) * | 2020-12-15 | 2021-04-06 | 国网冀北电力有限公司经济技术研究院 | Equipment matching method for power communication optical transmission network node |
-
2016
- 2016-04-25 CN CN201620355302.5U patent/CN205545744U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106888113A (en) * | 2017-01-21 | 2017-06-23 | 国网浙江省电力公司绍兴供电公司 | A kind of method and device for intelligent substation business configuration |
| CN106888113B (en) * | 2017-01-21 | 2019-10-29 | 国网浙江省电力公司绍兴供电公司 | A kind of method and device for intelligent substation business configuration |
| CN108184172A (en) * | 2017-11-16 | 2018-06-19 | 全球能源互联网研究院有限公司 | A kind of power business transmission method and device based on the enhanced optical transfer network of grouping |
| CN108184172B (en) * | 2017-11-16 | 2020-11-13 | 全球能源互联网研究院有限公司 | Power service transmission method and device based on packet enhanced optical transport network |
| CN111314135A (en) * | 2020-02-17 | 2020-06-19 | 国家电网有限公司 | Power dispatching data network |
| CN112615741A (en) * | 2020-12-15 | 2021-04-06 | 国网冀北电力有限公司经济技术研究院 | Equipment matching method for power communication optical transmission network node |
| CN112615741B (en) * | 2020-12-15 | 2022-11-11 | 国网冀北电力有限公司经济技术研究院 | Equipment matching method for power communication optical transmission network node |
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