CN105245421A - Power communication integrated data network system and communication method thereof - Google Patents
Power communication integrated data network system and communication method thereof Download PDFInfo
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- CN105245421A CN105245421A CN201510742971.8A CN201510742971A CN105245421A CN 105245421 A CN105245421 A CN 105245421A CN 201510742971 A CN201510742971 A CN 201510742971A CN 105245421 A CN105245421 A CN 105245421A
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Abstract
The invention discloses a power communication system, and particularly relates to a power communication integrated data network system and a communication method thereof. The structure of the power communication integrated data network system is as follows: a central station host is connected with a central station standby computer, a sending interface of the central station host is connected with a first receiving interface of each communication station, a first sending interface of each communication station is connected with a receiving interface of the central station host, a second receiving interface of each communication station is connected with the sending interface of the central station standby computer, and a second sending interface of each communication station is connected with the receiving interface of the central station standby computer. The power communication integrated data network system provided by the invention can effectively solve the master-slave switch ineffectiveness problem caused by single pass of an optical fiber when a communication network two-layer convergence device respectively carries out double uplink with different PE devices, thereby guaranteeing the security and stability of a power communication network, guaranteeing errorless transmission of communication data network bearer services, facilitating to construct a strong grid and improving the scheduling information, digitization, automation and interaction levels.
Description
Technical field
The present invention relates to a kind of power communication system, particularly relate to a kind of power communication integrated data network system and communication means thereof.
Background technology
The electric integrated business datum communication network scope of business comprises data, monitoring, production management, office, image, multimedia and voice service, mainly meets the traffic aggregation of various data service and the comprehensive carrying demand of multibusiness network.In order to ensure the safe, stable of communication network, emphasis communication station needs to carry out two first line of a couplet.For ensureing the stable of communication service, used Virtual Router Redundacy Protocol technology to carry out Hot Spare process in systems in which, once master malfunction, business immediately can be switched on standby equipment and work on.Owing to having used switch virtual interface technology in a network, Service Gateway address and Virtual Router Redundacy Protocol are configured on switch virtual interface, and switch virtual interface is condition controlled in the state forwarding this virtual local area network interface, this VLAN is forwarded when there being interface in switch, and this interface is in normal operating condition, then the state of this switch virtual interface is normal operating condition, on the equipment of integrated data network, we have carried out strict VLAN to each physics relaying transparent transmission interface and have forwarded control, so once there be physical interface state to be closed condition, the virtual interface that then all VLANs of this interface forwarding are corresponding all can become closed condition thereupon, so now Virtual Router Redundancy Protocol will in time by virtual net pipe transfer on stand-by equipment, to ensure the normal operation of business.
The mode that between current device, the bare fiber of interconnected employing is direct-connected; in running; the situation of the fiber break caused due to weather, the various factors such as artificial may be there is; if the optical fiber transceiving of two equipment rooms all interrupts; so terminal device interface will all be shut down; owing to deploying Virtual Router Redundancy Protocol, business can normally switch.But only broken one if there is a pair optical fiber, the equipment interface that so can receive one end of optical fiber can not be converted to closed condition, now will occur the situation of link single-pass.Because interface is not closed, so the VLAN(VLAN that forwards of this interface) corresponding SVI(switch virtual interface) interface also can not automatically switch to closed condition, and in fact this physical link had lost efficacy, data retransmission can not be carried out, now the main equipment of Virtual Router Redundancy Protocol has just become the equipment existed in name only, and stand-by equipment can not receive the survival information of autonomous device, so the state of oneself can be switched to mainly by for subsequent use by stand-by equipment automatically.At this moment will there are the main equipments of two same virtual gateways of carrying in network simultaneously, cause that route is unreachable, service disconnection.Have a strong impact on the normal operation of electric power system, therefore solve virtual router redundant protocol master that telecommunication optical fiber single-pass the causes technical barrier becoming puzzlement those skilled in the art for equipment switching failure problem.
Summary of the invention
The present invention is exactly to solve the problems of the technologies described above, and a kind of power communication integrated data network system provided and communication means thereof, it effectively solves virtual router redundant protocol master that telecommunication optical fiber single-pass causes for switching failure problem, thus ensures that data network system normally runs.
In order to solve the problems of the technologies described above, the present invention is achieved through the following technical solutions:
A kind of power communication integrated data network system, its structure is as follows: central station host is connected with central station guest machine, central station host transmission interface is connected with the first receiving interface of each communication station, first transmission interface of each communication station is connected with central station host receiving interface, second receiving interface of each communication station is connected with central station guest machine transmission interface, and the second transmission interface of each communication station is connected with central station guest machine receiving interface.
Above-mentioned central station host is connected by optical fiber bidirectional with central station guest machine.
Above-mentioned central station host transmission interface and the first receiving interface of each communication station pass through Fiber connection, first transmission interface and the central station host receiving interface of each communication station pass through Fiber connection, second receiving interface of each communication station and central station guest machine transmission interface are by Fiber connection, and the second transmission interface and the central station guest machine receiving interface of each communication station pass through Fiber connection.
The first above-mentioned receiving interface, the first transmission interface, central station host transmission interface, central station host transmission interface, the second receiving interface, the second transmission interface, central station guest machine transmission interface and central station guest machine receiving interface are the interface being configured with UDLD order.
A communication means for power communication integrated data network system, its step is as follows: proper communication between central station host and each communication station, and the total interface be configured with between the central station host of UDLD order and each communication station detects whether link single-pass; If testing result is for being link single-pass, then the total interface between station host of closing center and each communication station, start the total interface between each communication station of central station guest machine, central station guest machine communicates with each communication station; If testing result is for being not link single-pass, then the total interface be configured with between the central station host of UDLD order and each communication station detects whether dual link all disconnects; All disconnect if testing result is double-strand, then the total interface between station host of closing center and each communication station, start the total interface between central station guest machine and each communication station, central station guest machine communicates with each communication station; All disconnect if testing result is not double-strand, then proper communication between central station host and each communication station.
Owing to adopting technique scheme, tool of the present invention is had the following advantages and effect:
The present invention effectively can solve the active-standby switch Problem of Failure that communication network two layers of convergence device carry out two first line of a couplet respectively during with heterogeneous networks lateral edges equipment, optical fiber single-pass causes, thus ensure that the safety and stability of powerline network, ensure that the error free transport of the net loaded business of communication data, be conducive to framework sturdy power grid, improve schedule information, digitlization, automation, interactive level.
Accompanying drawing explanation
Fig. 1 is the block diagram of power communication integrated data network system of the present invention.
Fig. 2 is the communication means flow chart of power communication integrated data network system of the present invention.
In figure, 1, communication station, the 2, first receiving interface, the 3, first transmission interface, 4, central station host transmission interface, 5, central station host, 6, central station host transmission interface, the 7, second receiving interface, 8, the second transmission interface, 9, central station guest machine, 10, central station guest machine transmission interface, 11, central station guest machine receiving interface.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein is just in order to explain the present invention, the protection range be not intended to limit the present invention.
As shown in Figure 1, power communication integrated data network system of the present invention, its concrete structure is as follows: central station host 5 is connected with central station guest machine 9, central station host transmission interface 4 is connected with the first receiving interface 2 of each communication station 1, first transmission interface 3 of each communication station 1 is connected with central station host receiving interface 6, second receiving interface 7 of each communication station 1 is connected with central station guest machine transmission interface 10, and the second transmission interface 8 of each communication station 1 is connected with central station guest machine receiving interface 11.First receiving interface 2, first transmission interface 3, central station host transmission interface 4, central station host transmission interface 6, second receiving interface 7, second transmission interface 8, central station guest machine transmission interface 10 and central station guest machine receiving interface 11 are and are configured with UDLD(one way link and detect) interface of ordering.
Above-mentioned central station host 5 is connected by optical fiber bidirectional with central station guest machine 9.
Above-mentioned central station host transmission interface 4 passes through Fiber connection with the first receiving interface 2 of each communication station 1, first transmission interface 3 of each communication station 1 passes through Fiber connection with central station host receiving interface 6, second receiving interface 7 of each communication station 1 is with central station guest machine transmission interface 10 by Fiber connection, and the second transmission interface 8 of each communication station 1 passes through Fiber connection with central station guest machine receiving interface 11.
As shown in Figure 2, the communication means of power communication integrated data network system of the present invention is as follows:
Proper communication between central station host and each communication station, the total interface be configured with between the central station host of UDLD order and each communication station detects whether link single-pass; If testing result is for being link single-pass, then the total interface between station host of closing center and each communication station, start the total interface between each communication station of central station guest machine, central station guest machine communicates with each communication station; If testing result is for being not link single-pass, then the total interface be configured with between the central station host of UDLD order and each communication station detects whether dual link all disconnects; All disconnect if testing result is double-strand, then the total interface between station host of closing center and each communication station, start the total interface between central station guest machine and each communication station, central station guest machine communicates with each communication station; All disconnect if testing result is not double-strand, then proper communication between central station host and each communication station.
Claims (5)
1. a power communication integrated data network system, it is characterized in that concrete structure is as follows: central station host (5) is connected with central station guest machine (9), central station host transmission interface (4) is connected with first receiving interface (2) of each communication station (1), first transmission interface (3) of each communication station (1) is connected with central station host receiving interface (6), second receiving interface (7) of each communication station (1) is connected with central station guest machine transmission interface (10), second transmission interface (8) of each communication station (1) is connected with central station guest machine receiving interface (11).
2. a kind of power communication integrated data network system according to claim 1, is characterized in that described central station host (5) is connected by optical fiber bidirectional with central station guest machine (9).
3. a kind of power communication integrated data network system according to claim 1, it is characterized in that described central station host transmission interface (4) passes through Fiber connection with first receiving interface (2) of each communication station (1), first transmission interface (3) and the central station host receiving interface (6) of each communication station (1) pass through Fiber connection, second receiving interface (7) and the central station guest machine transmission interface (10) of each communication station (1) pass through Fiber connection, second transmission interface (8) and the central station guest machine receiving interface (11) of each communication station (1) pass through Fiber connection.
4. a kind of power communication integrated data network system according to claim 1 or 3, is characterized in that described the first receiving interface (2), the first transmission interface (3), central station host transmission interface (4), central station host transmission interface (6), the second receiving interface (7), the second transmission interface (8), central station guest machine transmission interface (10) and central station guest machine receiving interface (11) are the interface being configured with UDLD order.
5. the communication means of a power communication integrated data network system, it is characterized in that step is as follows: proper communication between central station host and each communication station, the total interface be configured with between the central station host of UDLD order and each communication station detects whether link single-pass; If testing result is for being link single-pass, then the total interface between station host of closing center and each communication station, start the total interface between each communication station of central station guest machine, central station guest machine communicates with each communication station; If testing result is for being not link single-pass, then the total interface be configured with between the central station host of UDLD order and each communication station detects whether dual link all disconnects; All disconnect if testing result is double-strand, then the total interface between station host of closing center and each communication station, start the total interface between central station guest machine and each communication station, central station guest machine communicates with each communication station; All disconnect if testing result is not double-strand, then proper communication between central station host and each communication station.
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Cited By (1)
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| CN105933141A (en) * | 2016-04-08 | 2016-09-07 | 南京南瑞继保电气有限公司 | Networking method of inter-station communication under hybrid multi-terminal direct-current topology |
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| CN101388567A (en) * | 2007-09-13 | 2009-03-18 | 上海宝信软件股份有限公司 | Electric apparatus monitoring method and system |
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Application publication date: 20160113 |