CN107104766A - The MSTP network architecture in a kind of power telecom network - Google Patents
The MSTP network architecture in a kind of power telecom network Download PDFInfo
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- CN107104766A CN107104766A CN201710193037.4A CN201710193037A CN107104766A CN 107104766 A CN107104766 A CN 107104766A CN 201710193037 A CN201710193037 A CN 201710193037A CN 107104766 A CN107104766 A CN 107104766A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/44—Star or tree networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/22—Arrangements for detecting or preventing errors in the information received using redundant apparatus to increase reliability
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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
- H04L41/04—Network management architectures or arrangements
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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
- H04L41/08—Configuration management of networks or network elements
- H04L41/0803—Configuration setting
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- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Telephonic Communication Services (AREA)
Abstract
The invention discloses a kind of MSTP network architectures suitable for power communication, including core layer, backbone layer and Access Layer, core layer, including several central stations and standby tune, looped network is formed between the central station；Backbone layer, is configured as using Ultra-high Voltage Substations as core ring, accesses the equipment group of some central station of core layer, forms multiple independent key rings；Access Layer, is configured as using edge transformer station, prefecture-level company as node, forms the key ring that different docking points access backbone layer by multiple network elements, and then access core layer node；Central station and standby adjust respectively are deployed with NM server, by the formation two-node cluster hot backup of data network passage, and core layer and backbone layer access webmaster data network by device by out-band channel, and several network elements are chosen as Gateway Network Element in backbone layer.The network survivability of mixed networking can be effectively improved using which.
Description
Technical field
The present invention relates to the network architecture of MSTP in power telecom network a kind of.
Background technology
Power telecom network with Substation Capacity Scale due to progressively expanding, and with the iterative method of extra-high voltage project, electric power leads to
The network size of letter system is also increasingly sophisticated, to improve the network reliability of SDH systems, it is necessary to design a kind of logical suitable for electric power
The MSTP network architectures of letter, while service operation and following increased requirement is met, solve hidden danger present in existing network operation
Defect.There is a situation where heterogeneous devices docking in network rebuilding process simultaneously, how to design a kind of net suitable for mixed networking
Network structure is one of emphasis for studying at present.
Meanwhile, current SDH systems mainly use SSM agreements, and SDH equipment selects tracking by access link clock quality
Clock, on the one hand can avoid clock cyclization, while the clock quality of equipment.Current power telecom network is due to saving delicatessen foods
The docking light path of fusion degree increase, districts and cities and provincial company increases, simple to open SSM agreements, and equipment brand difference is in the presence of high
The situation that layer equipment tracking low order clock or clock can not be accessed.
The content of the invention
The present invention is in order to solve the above problems, it is proposed that a kind of MSTP network architectures suitable for power communication, of the invention
Electrical network business can be transmitted to the independent communication net to be formed, its business uses the star-like ethod of remittance, and transformer station, prefecture-level company's business are led to
Cross and central station and standby tune are converged to by MSTP networks.
First, to avoid ambiguity, explanation of nouns is carried out as follows：
MSTP (Multi-ServiceTransferPlatform) (multi-service transport platform based on SDH) refers to be based on
There is provided the multi-service section of united net management while realizing the access of the business such as TDM, ATM, Ethernet, processing and transmission for SDH platforms
Point.
SDH systems (Synchronous Digital Hierarchy, SDH), it is fixed according to ITU-T suggestion
Justice, is that the transmission of the digital signal of friction speed provides corresponding message structure, including multiplexing method and mapping method, with
And a technical system of related synchronous method composition.
Source Specific Multicast (SSM) are a kind of multicasting technology of extension, forwarding of the technology to flow
Behavior and the forwarding behavior of standard multicast agreement have obvious difference.Under SSM modes, flux of multicast is simply forwarded to those
The recipient of specific multicast source is clearly added to, SSM only sets up the specific multicast distributed tree in source.
DCN (Data Communication Network, Chinese name：Data communication network) there is distributed network computing
Environment and multilevel distributed data warehouse.
To achieve these goals, the present invention is adopted the following technical scheme that：
A kind of MSTP network architectures suitable for power communication, including core layer, backbone layer and Access Layer, wherein：
Looped network is formed between the core layer, including several central stations and standby tune, the central station；
The backbone layer, be configured as using Ultra-high Voltage Substations as core ring, and some central station for accessing core layer is set
Standby group, forms multiple independent key rings；
The Access Layer, is configured as, using edge transformer station, prefecture-level company as node, forming different by multiple network elements
Docking point accesses the key ring of backbone layer, and then accesses core layer node；
The central station and standby adjust respectively are deployed with NM server, pass through the formation two-node cluster hot backup of data network passage, core layer
Webmaster data network is accessed by device by out-band channel with backbone layer, several network elements are chosen as Gateway Network Element in backbone layer.
The core layer is configured with clockwork, and time link is provided for the whole network.
The central station equipment of the core layer is the mutual slave node of all convergence service Incomings.
The core layer uses SSM agreements.
The Access Layer is not turned on SSM agreements, and clock is extracted by link.
The looped network traffic rate of the core layer and backbone layer is always.
The traffic rate of the Access Layer is less than core layer.
Communication equipment of the backbone layer in transformer station is constituted, and is transmitted by the electric power special optical wire between station, Access Layer
It is made up of edge transformer station and prefecture-level company, Access Layer accesses backbone layer by two point.
The central station of the core layer and it is standby adjust a set of service of each deployment its constitute Dual-Computer Hot-Standby System, by equipment according to 64
Individual network element is divided into a subnet, chooses the Gateway Network Element access webmaster data network of standby usage, realizes that the management information of network element connects
Enter.
The network management data net is using deployment is concentrated, and network management data net runs through central station and prefecture-level company, for NE No.
According to access.
Compared with prior art, beneficial effects of the present invention are：
(1) clock of the present invention is uniformly accessed into clock, core layer and backbone by the way of central clock access by central station
Layer uses SSM agreements, prevents clock cyclization, and Access Layer closes SSM agreements, only passes through access link clock quality tracking clock
Source, it is to avoid backbone layer equipment tracks the situation of access layer equipment clock.
(2) in central station and for a set of service of each deployment is adjusted, it constitutes Dual-Computer Hot-Standby System to the present invention, by equipment according to 64
Individual network element is divided into a subnet, chooses the Gateway Network Element access webmaster data network of standby usage, realizes that the management information of network element connects
Enter；
(3) present invention transmits the independent communication net to be formed using electrical network business, and its business uses the star-like ethod of remittance, power transformation
Stand, prefecture-level company's business is by being converged to central station by MSTP networks and standby being adjusted；
(4) network architecture of the invention can effectively improve the network survivability of mixed networking.
Brief description of the drawings
The Figure of description for constituting the part of the application is used for providing further understanding of the present application, and the application's shows
Meaning property embodiment and its illustrate be used for explain the application, do not constitute the improper restriction to the application.
Fig. 1 is the networking diagram of the present invention；
The core layer network organizing that Fig. 2 is the present invention is intended to；
Fig. 3 is the clock networking schematic diagram of invention；
Fig. 4 is the webmaster access schematic diagram of invention.
Embodiment：
The invention will be further described with embodiment below in conjunction with the accompanying drawings.
It is noted that described further below is all exemplary, it is intended to provide further instruction to the application.Unless another
Indicate, all technologies used herein and scientific terminology are with usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in this manual using term "comprising" and/or " bag
Include " when, it indicates existing characteristics, step, operation, device, component and/or combinations thereof.
First, to avoid ambiguity, explanation of nouns is carried out as follows：
MSTP (Multi-ServiceTransferPlatform) (multi-service transport platform based on SDH) refers to be based on
There is provided the multi-service section of united net management while realizing the access of the business such as TDM, ATM, Ethernet, processing and transmission for SDH platforms
Point.
SDH systems (Synchronous Digital Hierarchy, SDH), it is fixed according to ITU-T suggestion
Justice, is that the transmission of the digital signal of friction speed provides corresponding message structure, including multiplexing method and mapping method, with
And a technical system of related synchronous method composition.
Source Specific Multicast (SSM) are a kind of multicasting technology of extension, forwarding of the technology to flow
Behavior and the forwarding behavior of standard multicast agreement have obvious difference.Under SSM modes, flux of multicast is simply forwarded to those
The recipient of specific multicast source is clearly added to, SSM only sets up the specific multicast distributed tree in source.
DCN (Data Communication Network, Chinese name：Data communication network) there is distributed network computing
Environment and multilevel distributed data warehouse.
A kind of MSTP network architectures suitable for power communication, including core layer, backbone layer and Access Layer, wherein：
Looped network is formed between the core layer, including several central stations and standby tune, the central station；
The backbone layer, be configured as using Ultra-high Voltage Substations as core ring, and some central station for accessing core layer is set
Standby group, forms multiple independent key rings；
The Access Layer, is configured as, using edge transformer station, prefecture-level company as node, forming different by multiple network elements
Docking point accesses the key ring of backbone layer, and then accesses core layer node；
The central station and standby adjust respectively are deployed with NM server, pass through the formation two-node cluster hot backup of data network passage, core layer
Webmaster data network is accessed by device by out-band channel with backbone layer, several network elements are chosen as Gateway Network Element in backbone layer.
The core layer is configured with clockwork, and time link is provided for the whole network.
The central station equipment of the core layer is the mutual slave node of all convergence service Incomings.
The core layer uses SSM agreements.
The Access Layer is not turned on SSM agreements, and clock is extracted by link.
The looped network traffic rate of the core layer and backbone layer is always.
The traffic rate of the Access Layer is less than core layer.
Communication equipment of the backbone layer in transformer station is constituted, and is transmitted by the electric power special optical wire between station, Access Layer
It is made up of edge transformer station and prefecture-level company, Access Layer accesses backbone layer by two point.
The central station of the core layer and it is standby adjust a set of service of each deployment its constitute Dual-Computer Hot-Standby System, by equipment according to 64
Individual network element is divided into a subnet, chooses the Gateway Network Element access webmaster data network of standby usage, realizes that the management information of network element connects
Enter.
The network management data net is using deployment is concentrated, and network management data net runs through central station and prefecture-level company, for NE No.
According to access.
As a kind of exemplary embodiments, a kind of use and the MSTP network architectures of power communication system, including grid structure,
The content such as clock configuration and webmaster access.
Grid structure uses 3 layer network structures, including core layer, backbone layer and Access Layer in the present invention.Core layer is in
Center station and standby adjust are constituted, and communication equipment of the backbone layer in transformer station is constituted, and the electric power special optical wire passed through between station is transmitted, access
Layer is made up of edge transformer station and prefecture-level company, and Access Layer accesses backbone layer by two point.
Clock is uniformly accessed into clock, core layer and backbone layer are using expansion by the way of central clock access by central station
The SSM agreements of exhibition, prevent clock cyclization, Access Layer closes SSM agreements, only by access link clock quality tracing time clock source,
Backbone layer equipment is avoided to track the situation of access layer equipment clock.
Network management system is using deployment is concentrated, and network management data net runs through central station and prefecture-level company, for network element data access.
In central station and for a set of service of each deployment is adjusted, its constitutes Dual-Computer Hot-Standby System, and equipment is divided into a son according to 64 network elements
Net, chooses the Gateway Network Element access webmaster data network of standby usage, realizes the management information access of network element.
As shown in figure 1, a kind of network architecture of mixed networking includes the transmission equipment of 3 levels, respectively core layer, bone
Dried layer and Access Layer.Core layer is used based on 4 central station equipments, constitutes 10G looped networks.Backbone layer is with Ultra-high Voltage Substations
For core ring, access central station equipment composition south, the key ring in two, north, using 10G rate devices.Access Layer is with edge power transformation
Stand, prefecture-level company is node, 2.5G rate devices.Light path uses 1+1 protection mode between standing, to adapt to power telecom network pick-up point
More situation, the protection of Internet is not used, and business only configures SNCP protections.
As shown in Fig. 2 core layer includes 4 equipment of A-1, A-2, A-3 and A-4, for the mutual standby of all convergence service Incomings
Node, is respectively connected to the key looped network in 2, north and south.E-1 and E-2 is that business lands node, realizes that the business of access node falls respectively
Ground.
As shown in figure 3, core layer configurable clock generator equipment 2, time link is provided for the whole network.Clockwork by A-1 and
The complete equipments of A-2 2 are accessed, and clockwork is GPS, and G.811 clock quality is.Access Layer is accessed by different docking points respectively
Core layer node.Core layer opens the SSM agreements of extension.Access Layer is not turned on SSM agreements, and clock is extracted by link.
As shown in Figure 4：Network management system is using deployment way is concentrated, and central station and standby adjust dispose a set of network manager service respectively
Device, Dual-Computer Hot-Standby System is constituted by data network passage, and core layer and backbone layer access webmaster data network by out-band channel
By device, for DCN link congestions caused by avoiding network management information excessive, choose 2 network elements in backbone layer and converged as Gateway Network Element
DCN information.
The preferred embodiment of the application is the foregoing is only, the application is not limited to, for the skill of this area
For art personnel, the application can have various modifications and variations.It is all within spirit herein and principle, made any repair
Change, equivalent substitution, improvement etc., should be included within the protection domain of the application.
Although above-mentioned the embodiment of the present invention is described with reference to accompanying drawing, not to present invention protection model
The limitation enclosed, one of ordinary skill in the art should be understood that on the basis of technical scheme those skilled in the art are not
Need to pay various modifications or deform still within protection scope of the present invention that creative work can make.
Claims (10)
1. a kind of MSTP network architectures suitable for power communication, it is characterized in that：Including core layer, backbone layer and Access Layer, its
In：
Looped network is formed between the core layer, including several central stations and standby tune, the central station；
The backbone layer, is configured as using Ultra-high Voltage Substations as core ring, accesses the equipment group of some central station of core layer,
Form multiple independent key rings；
The Access Layer, is configured as, using edge transformer station, prefecture-level company as node, forming different docking by multiple network elements
The key ring of point access backbone layer, and then access core layer node；
The central station and standby adjust respectively are deployed with NM server, by the formation two-node cluster hot backup of data network passage, core layer and bone
Dried layer accesses webmaster data network by device by out-band channel, and several network elements are chosen as Gateway Network Element in backbone layer.
2. a kind of MSTP network architectures suitable for power communication as claimed in claim 1, it is characterized in that：The core layer is matched somebody with somebody
Clockwork is equipped with, time link is provided for the whole network.
3. a kind of MSTP network architectures suitable for power communication as claimed in claim 1, it is characterized in that：The core layer
Central station equipment is the mutual slave node of all convergence service Incomings.
4. a kind of MSTP network architectures suitable for power communication as claimed in claim 1, it is characterized in that：The core layer is adopted
Use SSM agreements.
5. a kind of MSTP network architectures suitable for power communication as claimed in claim 1, it is characterized in that：The Access Layer is not
SSM agreements are opened, clock is extracted by link.
6. a kind of MSTP network architectures suitable for power communication as claimed in claim 1, it is characterized in that：The core layer and
The looped network traffic rate of backbone layer is always.
7. a kind of MSTP network architectures suitable for power communication as claimed in claim 1, it is characterized in that：The Access Layer
Traffic rate is less than core layer.
8. a kind of MSTP network architectures suitable for power communication as claimed in claim 1, it is characterized in that：The backbone layer by
Communication equipment composition in transformer station, is transmitted by the electric power special optical wire between station, and Access Layer is public by edge transformer station and districts and cities
Department's composition, Access Layer accesses backbone layer by two point.
9. a kind of MSTP network architectures suitable for power communication as claimed in claim 1, it is characterized in that：The core layer
Central station and it is standby adjust a set of service of each deployment its constitute Dual-Computer Hot-Standby System, equipment is divided into a son according to 64 network elements
Net, chooses the Gateway Network Element access webmaster data network of standby usage, realizes the management information access of network element.
10. a kind of MSTP network architectures suitable for power communication as claimed in claim 1, it is characterized in that：The webmaster number
According to net using deployment is concentrated, network management data net runs through central station and prefecture-level company, for network element data access.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710193037.4A CN107104766A (en) | 2017-03-28 | 2017-03-28 | The MSTP network architecture in a kind of power telecom network |
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| CN201710193037.4A CN107104766A (en) | 2017-03-28 | 2017-03-28 | The MSTP network architecture in a kind of power telecom network |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111294244A (en) * | 2020-02-18 | 2020-06-16 | 国家电网有限公司 | Optimization method and device of network management network |
| CN114070746A (en) * | 2021-10-28 | 2022-02-18 | 北京市天元网络技术股份有限公司 | Circuit series connection method and system for multi-type transmission network |
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| CN114070746A (en) * | 2021-10-28 | 2022-02-18 | 北京市天元网络技术股份有限公司 | Circuit series connection method and system for multi-type transmission network |
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