CN103269296A - Detection system and detection method of user side of passive optical network system - Google Patents

Detection system and detection method of user side of passive optical network system Download PDF

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CN103269296A
CN103269296A CN2013101971450A CN201310197145A CN103269296A CN 103269296 A CN103269296 A CN 103269296A CN 2013101971450 A CN2013101971450 A CN 2013101971450A CN 201310197145 A CN201310197145 A CN 201310197145A CN 103269296 A CN103269296 A CN 103269296A
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optical network
network unit
user side
described optical
line terminal
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CN103269296B (en
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陈力
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Xi'an Make Puhui Information Technology Co.,Ltd.
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Shanghai Feixun Data Communication Technology Co Ltd
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Abstract

The invention discloses a detection system of a user side of a passive optical network system, relates to the technical field of network communications, and particularly relates to the detection system. The detection system of the user side of the passive optical network system comprises the passive optical network system. The passive optical network system comprises an optical line terminal which is installed on a center control station and a plurality of optical network units which are installed on the user side, wherein the optical line terminal is connected with the optical network units, and the optical network units are further connected with monitoring equipment. The optical line terminal manages the optical network units in a remote mode by issuing a management order message, and the monitoring equipment receives the management order message forwarded by the optical network units and local state update information to be used for monitoring the optical network units in real time. By means of the detection system of the user side of the passive optical network system, real-time monitoring of a management order which is issued to the optical network units by the optical line terminal and real-time monitoring of the local state information of the optical network units are achieved, assistant management can be achieved through the monitoring equipment, the risk of a negative effect possibly caused by misoperation is avoided, and the management to the optical network units is more concise, accurate and efficient.

Description

A kind of passive optical network user side detection system and detection method
Technical field
The present invention relates to the network communications technology field, be specifically related to a kind of detection system.
Background technology
At present the access of fiber optic network also is to become more and more that masses have changed for vast user, each big operator is also at the optical-fiber network of actively disposing oneself, in various Technology of Light Access Networks, EPON (PON, Passive Optical Network) system receives very big concern.Passive optical network refers to optical distribution (ODN, Optical Distribution Node) do not contain any electronic device and electronic power supply in, optical distribution all is made up of optical branching device passive devices such as (Splitter), does not need valuable active electronic equipment.An EPON comprises an optical line terminal (OLT, Optical line terminal) that is installed on console for centralized control, a collection of supporting optical network unit that is installed on customer site of one-level (ONU, Optical Network Unit)).Optical distribution between optical line terminal and optical network unit has comprised optical fiber and passive optical splitters or coupler.
The condition monitoring for optical network unit of present domestic research and development mainly is self-monitoring and the management that concentrates in the passive optical network, and the mechanism for correcting errors that carries by passive optical network self removes to handle the unusual of appearance then; The patent No. is the method that the Chinese invention patent of 200810240086.X discloses a kind of mutual protection of adjacent ONU, and mutual detection and management method between the different ONU are provided; The patent No. is automatic diagnosis and the control method that 200910061155.5 Chinese invention patent discloses a kind of ONU performance degradation, upward signal by optical line terminal monitor optical network element, send ALM when detecting signal when undesired, enter system diagnostic mode simultaneously; The patent No. is the method that 201010153494.9 Chinese invention patent discloses a kind of detecting long luminance ONU in passive optical network, and by direct monitoring optical path signal, report and alarm information has improved the reliability of equipment.
A kind of oneself that above-mentioned method for supervising mainly is based on passive optical network self detects and the method for management, have certain intelligent, but have opaque characteristics, the state of knowing current optical network unit that the external world is can't be accurately detailed; There is not defective intuitively of way to manage, objectively exists misoperation to cause the risk of adverse consequences.
Summary of the invention
The objective of the invention is to, a kind of passive optical network user side detection system is provided, solve above technical problem;
The present invention also aims to, a kind of passive optical network user side detection method is provided, solve above technical problem.
Technical problem solved by the invention can realize by the following technical solutions:
A kind of passive optical network user side detection system comprises a passive optical network, and described passive optical network comprises that one is installed on the optical line terminal of console for centralized control, a plurality of optical network unit that is installed on user side; Described optical line terminal is connected with described optical network unit, and wherein, described optical network unit also connects a watch-dog;
Described optical line terminal is by issuing the described optical network unit of administration order message telemanagement, and described watch-dog receives administration order message and the local state updating information that described optical network unit is transmitted, and is used for the described optical network unit of monitoring in real time.
In the actual management of existing optical line terminal to optical network unit, whether optical network unit has been carried out effective management for optical line terminal, need be after issuing the manage order optical network unit have been tested and learn; Optical network unit of the present invention connects a watch-dog, by watch-dog described optical network unit is monitored.Give watch-dog by the administration order message that the forwarding optical line terminal issues, described watch-dog is resolved data after receiving data, automatically analyze the meaning of the described optical line terminal command message of described optical network unit forwarding, but whether the administration order message that the Direct-Detection Optical line terminal issues is correct.
Preferably, described optical network unit is transmitted to the administration order message watch-dog that links to each other with described optical network unit by Ethernet interface.
Preferably, described watch-dog is simulated described optical line terminal described optical network unit is sent the administration order message, and described optical network unit is resolved the optical line terminal of reduction and simulation to the administration order message of optical network unit.Perhaps the local state information that upgrades of described optical network unit response management order also can be passed watch-dog back and resolves, and realizes the real-time monitoring to optical network unit.
Preferably, described administration order message is packaged into the Frame of setting communications protocol format and sends and receive.Described communication protocol adopts udp protocol or ICP/IP protocol or other communications protocol to replace;
Preferably, described watch-dog adopts PC(Personal Computer, PC) machine or other third party's watch-dogs, as long as can realize equipment that optical network unit is monitored and managed.
A kind of passive optical network user side detection method wherein, may further comprise the steps:
Step 101 is bound the protocol port of described optical network unit, the sockets services of utilizing operation system of software to provide, and described optical network unit sends or receiving data frames;
Step 102, described optical line terminal issues Frame to described optical network unit;
Step 103, described optical network unit receives the Frame that described optical line terminal issues, and Frame is transmitted to watch-dog;
Step 104, described optical network unit responds the order that described optical line terminal issues, and the local state information that upgrades is packaged into Frame is transmitted to watch-dog.
Preferably, in the step 101, control the opening and closing of the frame function that transmits and receive data by local command;
Preferably, in the step 103, described optical network unit is transmitted to watch-dog with the Frame that described optical line terminal issues by Ethernet interface.
Preferably, after the step 104, comprise that also step 105, watch-dog receive the Frame that described optical network unit sends over and resolve;
After the step 102, comprise step 106, watch-dog will be simulated administration order message that described optical line terminal issues and is packaged into Frame and send to described optical network unit.
After the step 106, comprise step 107, described optical network unit receives the Frame that watch-dog sends, and resolves the restore management command message, and the order of the administration order message correspondence of reduction is resolved in response.
Execution in step 104 after the step 107.
Preferably, described administration order message adopts OAM(Operation Administration and Maintenance, Operations, Administration and Maintenance) message or OMCI(ONT Management and Control Interface, ONT management and control interface) message.
Beneficial effect: owing to adopt above technical scheme, the present invention realized to optical line terminal be handed down to optical network unit administration order real-time monitoring and to the real-time monitoring of optical network unit local state information; And when optical line terminal can't the remotely managing optical network unit, can be by the auxiliary management of watch-dog; Avoided the risk of the adverse consequences that misoperation may cause, thus make simple and clear more to the management of optical network unit, accurately, efficient.
Description of drawings
Fig. 1 is detection system schematic diagram of the present invention;
Fig. 2 is detection method flow chart of the present invention.
Embodiment
The invention will be further described below in conjunction with the drawings and specific embodiments, but not as restriction of the present invention.
With reference to Fig. 1, a kind of passive optical network user side detection system comprises a passive optical network, and passive optical network comprises that one is installed on the optical line terminal 1 of console for centralized control, a plurality of optical network unit 2 that is installed on user side; Be connected by optical distribution between optical line terminal 1 and the optical network unit 2, wherein, optical network unit 2 also connects a watch-dog 3, optical line terminal 1 is by issuing administration order message remotely managing optical network unit 2 or Optical Network Terminal (ONT, Optical Network Terminal), the optical network unit 2 that is positioned at user side is transmitted to the watch-dog 3 that links to each other with optical network unit 2 by Ethernet interface after receiving message; Watch-dog 3 is resolved data after receiving data, analyzes the meaning of optical line terminal 1 command message of optical network unit 2 forwardings automatically, and whether issuing of sense command be correct; The optical network unit 2 that is positioned at user side also can send to watch-dog 3 with local state updating information, thereby monitoring in real time is positioned at optical network unit 2 state informations of user side.
In the actual management of 1 pair of optical network unit 2 of existing optical line terminal, whether optical network unit 2 has been carried out effective management for optical line terminal 1, need be after issuing the manage order optical network unit 2 have been tested and learn; The administration order message that optical network unit 2 of the present invention issues by forwarding optical line terminal 1 resolves monitoring for third party's watch-dog 3, but whether the administration order message that Direct-Detection Optical line terminal 1 issues is correct.Third party's watch-dog 3 detects optical network unit 2 state informations in real time, and optical network unit 2 itself possesses the ability that local state information is transmitted to third party's watch-dog 3.And watch-dog 3 also possesses certain telemanagement ability to optical network unit 2.
Can also send the administration order message by 1 pair of optical network unit in watch-dog 3 simulated light line terminals 2; Watch-dog 3 is packaged into message data the Frame of setting communications protocol format, Ethernet interface by optical network unit 2, send to optical network unit 2, optical network unit 2 obtains Frame, resolves the administration order message of 1 pair of optical network unit 2 of optical line terminal of reduction and simulation.
When optical line terminal 1 can't manage optical network unit 2 by the realization of light access way, can realize optical network unit 2 is managed by watch-dog 3 simulated light line terminals 1, even the layman also can realize that easily the 1 pair of optical network unit 2 in simulated light line terminal manages by watch-dog 3 abundant human-computer interaction interfaces.And the local state information that optical network unit 2 response management orders are upgraded also can be passed watch-dog 3 back and resolves, and realizes the real-time monitoring to optical network unit 2.
Above-mentioned communication protocol can adopt udp protocol or ICP/IP protocol or other communications protocol to replace, watch-dog 3 adopts PC(Personal Computer, PC) machine or other third party's watch-dogs 3 are as long as can realize equipment that optical network unit 2 is monitored and managed.
Preferably, optical line terminal 1 is by OAM(Operation Administration and Maintenance, Operations, Administration and Maintenance) message or OMCI(ONT Management and Control Interface, ONT management and control interface) message Operations, Administration and Maintenance optical network unit 2.By OAM message or OMCI message, the configuration that optical line terminal 1 can be correlated with to optical network unit 2, thus carry out different business transmission, and the state information that can obtain optical network unit 2 is to analyze the running status of present optical network unit 2.
With reference to Fig. 2, a kind of passive optical network user side detection method may further comprise the steps:
Step 101, the protocol port of binding optical network unit 2 equipment, the sockets services of utilizing device software operating system to provide sends or receives the Frame based on udp protocol; Simultaneously, control the opening and closing that send and receive based on the Frame function of udp protocol by local command;
Step 102, the optical network unit 2 local forwarding optical line terminals 1 of opening issue administration order message function; Optical line terminal 1 issues OAM message or OMCI message to the optical network unit 2 that is positioned at user side;
Step 103, optical network unit 2 receives the message that optical line terminal 1 issues, and message is packaged into the Frame of udp protocol form by being transmitted to PC with the UNI mouth;
Step 104, optical network unit 2 response light line terminals 1 transmitting order to lower levels, the Frame that the local state information that upgrades is packaged into the udp protocol form is transmitted to PC by the UNI mouth;
Step 105, the Frame that PC reception optical network unit 2 sends over is resolved;
Step 106, PC is issued optical network unit 2 with the Frame that the OAM form message that issues of optical line terminal 1 or the OMCI form message of simulation is packaged into the udp protocol form;
Step 107, optical network unit 2 receives the Frame of the udp protocol form of PC transmission, resolves reduction OAM form message or OMCI form message, and the order of the administration order message correspondence of reducing is resolved in response;
After the step 107, execution in step 104.
Optical network unit 2 is positioned at the protocol port of the optical network unit 2 of user side by binding, and the sockets services of utilizing operating system to provide possesses optical line terminal 1 equipment and the ability of other equipment by Ethernet interface transmission specific information data.
The optical line terminal 1 command message decapsulation that optical line terminal 1 command message that optical network unit 2 obtains by encapsulation is transmitted to PC and receives the PC simulation, this equipment also can possess the ability of transmitting the local state information data and possess resolves the optical network unit 2 that receives and sends the ability that the ability of data and simulation OAM message or OMCI message send.
The above only is preferred embodiment of the present invention; be not so restriction embodiments of the present invention and protection range; to those skilled in the art; should recognize that being equal to that all utilizations specification of the present invention and diagramatic content done replace and the resulting scheme of apparent variation, all should be included in protection scope of the present invention.

Claims (10)

1. a passive optical network user side detection system comprises a passive optical network, and described passive optical network comprises that one is installed on the optical line terminal of console for centralized control, a plurality of optical network unit that is installed on user side; Described optical line terminal is connected with described optical network unit, it is characterized in that, described optical network unit also connects a watch-dog;
Described optical line terminal is by issuing the described optical network unit of administration order message telemanagement, and described watch-dog receives administration order message and the local state updating information that described optical network unit is transmitted, and is used for the described optical network unit of monitoring in real time.
2. a kind of passive optical network user side detection system according to claim 1 is characterized in that described optical network unit is transmitted to the administration order message watch-dog that links to each other with described optical network unit by Ethernet interface.
3. a kind of passive optical network user side detection system according to claim 2 is characterized in that, described watch-dog adopts PC.
4. a passive optical network user side detection method comprises any described a kind of passive optical network user side detection system of claim 1 to 3, it is characterized in that, may further comprise the steps:
Step 101 is bound the protocol port of described optical network unit, the sockets services of utilizing operation system of software to provide, and described optical network unit sends or the receiving management command message;
Step 102, described optical line terminal issues the administration order message to described optical network unit;
Step 103, described optical network unit receive the administration order message that described optical line terminal issues, and the administration order message is transmitted to watch-dog;
Step 104, described optical network unit responds the order that described optical line terminal issues, and the local state information that upgrades is transmitted to watch-dog.
5. a kind of passive optical network user side detection method according to claim 4 is characterized in that, described administration order message is packaged into the Frame of setting communications protocol format and sends and receive.
6. a kind of passive optical network user side detection method according to claim 5 is characterized in that, after the step 104, also comprises step 105, and described watch-dog receives the Frame that described optical network unit sends over and resolves.
7. a kind of passive optical network user side detection method according to claim 5, it is characterized in that, after the step 102, comprise step 106, described watch-dog will be simulated administration order message that described optical line terminal issues and is packaged into Frame and send to described optical network unit.
8. a kind of passive optical network user side detection method according to claim 7, it is characterized in that, after the step 106, comprise step 107, described optical network unit receives the Frame that watch-dog sends, resolve the restore management command message, the order of the administration order message correspondence of reduction is resolved in response.
9. a kind of passive optical network user side detection method according to claim 6 is characterized in that, described administration order message adopts OAM message or OMCI message.
10. a kind of passive optical network user side detection method according to claim 5 is characterized in that, described communication protocol adopts udp protocol or ICP/IP protocol.
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CN104486121A (en) * 2014-12-16 2015-04-01 上海斐讯数据通信技术有限公司 EPON system debugging analysis device and method based on control message
CN105743949A (en) * 2014-12-11 2016-07-06 厦门雅迅网络股份有限公司 Method for realizing double-screen synchronization between two devices
CN107332610A (en) * 2017-06-23 2017-11-07 青岛海信宽带多媒体技术有限公司 A kind of optical-fiber network is registered one's residence the method and apparatus of device forwards protocol massages
CN111385679A (en) * 2018-12-29 2020-07-07 创发信息科技(苏州)有限公司 Automatic test system for optical network unit

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CN105743949A (en) * 2014-12-11 2016-07-06 厦门雅迅网络股份有限公司 Method for realizing double-screen synchronization between two devices
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CN107332610A (en) * 2017-06-23 2017-11-07 青岛海信宽带多媒体技术有限公司 A kind of optical-fiber network is registered one's residence the method and apparatus of device forwards protocol massages
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CN111385679B (en) * 2018-12-29 2022-08-02 达发科技(苏州)有限公司 Automatic test system for optical network unit

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