CN103346917A - Method for calculating transmission delay and dithering of EoC system and link fault diagnosis method - Google Patents
Method for calculating transmission delay and dithering of EoC system and link fault diagnosis method Download PDFInfo
- Publication number
- CN103346917A CN103346917A CN2013102885344A CN201310288534A CN103346917A CN 103346917 A CN103346917 A CN 103346917A CN 2013102885344 A CN2013102885344 A CN 2013102885344A CN 201310288534 A CN201310288534 A CN 201310288534A CN 103346917 A CN103346917 A CN 103346917A
- Authority
- CN
- China
- Prior art keywords
- eoc
- terminal
- local side
- link
- jitter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The invention discloses a method for calculating transmission delay and dithering of an EoC system and a link fault diagnosis method. The method for calculating transmission delay and dithering of the EoC system comprises the following steps of periodically conducting inquiry of the terminal state and the link state on a management message sent by each EoC terminal through an EoC local side in an actual-use environment, recording the response time of the management message, calculating transmission delay from the EoC local side to each EoC terminal, counting dithering of the EoC system, and correcting the dithering of the EoC system to transmission delay and dithering values from the EoC local side to each EoC terminal in the EoC system which is used actually. By means of viewing of statistic information of each EoC terminal, a maintainer can know link delay of the EoC local side and the information and dithering of the EoC terminal, maintenance and diagnosis of a problem are greatly facilitated, a link is effectively optimized, network attacking behaviors such as broadcast storms are prevented, normal work of the link is guaranteed, and a good application prospect is provided.
Description
Technical field
The present invention relates to integration of three networks technical field, be specifically related to a kind of EoC system transmissions time delay and Jitter Calculation method and link failure diagnostic method.
Background technology
Along with the extensive use of EoC system at CHINA RFTCOM Co Ltd, requirement for the EoC systematic function is also more and more higher, wherein the EoC system performance parameter mainly comprises propagation delay time and the shake of the EoC terminal of certain EoC local side and this local side correspondence in the EoC system, propagation delay time and shake by test EoC system, the guardian just can know the time delay of link between the EoC terminal of certain EoC local side and this local side correspondence and the information of shake, so that therefore maintenance link and carry out problem diagnosis need have a kind of simple method to test propagation delay time and the jitter performance of the EoC system of actual motion.
At present, the defeated time delay of EoC system and shake can only be tested at laboratory environment, but under desirable state, test when the defeated time delay of the EoC system of laboratory environment test and shake, be not suitable for actual environment for use, in the environment that reality is used, be difficult to propagation delay time and the shake that simple method is tested the EoC system, more difficult certain EoC local side of accomplishing under the actual environment that uses of accurately test is to propagation delay time and the shake of corresponding EoC terminal, gives guardian's maintenance link and carries out problem diagnosis and brought great inconvenience.
Summary of the invention
The objective of the invention is to solve prior art and in actual environment for use, be difficult to propagation delay time and the shake that simple method is tested the EoC system, more difficultly accomplish accurately to test certain EoC local side under the actual environment for use to propagation delay time and the shake of corresponding EoC terminal, give guardian's maintenance link and carry out the problem that problem diagnosis has brought great inconvenience.
In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is:
A kind of EoC system transmissions time delay and Jitter Calculation method is characterized in that: may further comprise the steps,
Step (1), the EoC local side in the record EoC system send administrative message and receive the response time that described EoC terminal is required to the response of described administrative message to each EoC terminal at every turn;
Step (2) according to the response time of step (1), is calculated the EoC local side to the propagation delay time of each EoC terminal, and described propagation delay time is half of corresponding described response time of this EoC terminal;
Step (3) counts maximum delay Max and minimal time delay Min in the corresponding described propagation delay time of each EoC terminal in the special time period, and the jitter value Jitter that calculates EoC local side and this EoC terminal according to formula (1) is
Jitter=Max-Min （1）；
Step (4), the corresponding link-quality statistical information of each EoC terminal of storage in the EoC of EoC system local side, the link-quality statistical information comprises that the EoC local side is to propagation delay time and the jitter value Jitter of each EoC terminal.
Aforesaid EoC system transmissions time delay and Jitter Calculation method is characterized in that: described step (3) special time period is 30s.
Link failure diagnostic method based on above-mentioned EoC system transmissions time delay and Jitter Calculation method is characterized in that, may further comprise the steps:
Step (1) is obtained in the EoC system EoC local side to propagation delay time and the jitter value Jitter of EoC terminal;
Step (2) judge the EoC local side to the propagation delay time of EoC terminal and jitter value Jitter whether greater than 50ms, if propagation delay time and jitter value Jitter represent then that all less than 50ms the EoC local side is normal to the network quality of EoC terminal, the link connection state is normal; If propagation delay time and jitter value Jitter represent then that all greater than 50ms current EoC local side is poor to EoC link of terminal communication quality, enter step (3) and carry out malfunction elimination;
Step (3) is checked the EoC local side to EoC link of terminal pad value and link signal to noise ratio, judges whether it is because the link attenuation value is too big or noise jamming causes link communication of poor quality; If, then check the EoC local side to the physical connection of EoC terminal, and make optimization process, normal until link-quality;
Step (4) if the inspection of step (3) shows that physical connection is normal, checks that then the EoC local side is to the network throughput of EoC terminal; If network throughput is big, then check whether there is attack at the connection mouth of EoC local side and the user interface side of EoC terminal.
Preferably, in described link failure diagnostic method, the described inspection of step (3) EoC local side comprises to the physical connection of EoC terminal: check whether whether the EoC local side normally and on the physical link have amplifier to physical link, the contact of Cable line jointing of EoC terminal room.
The invention has the beneficial effects as follows: EoC system transmissions time delay of the present invention and Jitter Calculation method and link failure diagnostic method, in the environment that reality is used, regularly the administrative message that each EoC terminal sends is carried out the inquiry of SOT state of termination and Link State by the EoC local side, the response time of record management message, and then calculate the EoC local side to the propagation delay time of each EoC terminal, and count the shake of EoC system, be accurate in the EoC system of actual use, the EoC local side is to propagation delay time and the shake of each EoC terminal, the guardian only need be by checking the statistical information of EoC terminal, just know the information of this EoC local side and this EoC link of terminal time delay and shake, do not need extra test operation, greatly facilitate and safeguard and problem diagnosis, the effective optimization link, prevent attacks such as broadcast storm, guarantee the link operate as normal, have a good application prospect.
Description of drawings
Fig. 1 is the flow chart of EoC system transmissions time delay of the present invention and Jitter Calculation method.
Fig. 2 is the flow chart of EoC system link method for diagnosing faults of the present invention.
Embodiment
Below in conjunction with Figure of description, the present invention is further illustrated.
As shown in Figure 1, a kind of EoC system transmissions time delay and Jitter Calculation method may further comprise the steps,
The response time of administrative message transmission between the first step, the EoC local side in the record EoC system and each EoC terminal: the EoC local side in the record EoC system is at every turn to each EoC terminal transmission administrative message and receive the response time that described EoC terminal is required to the response of described administrative message; Administrative message is issued to from the EoC local side and receives that the EoC terminal needs the regular hour to the response of these administrative messages, this time can be regarded as the time overhead that administrative message transmits between EoC local side and EoC terminal, be approximately the EoC local side to 2 times of the propagation delay time of EoC terminal.Carry out the inquiry of SOT state of termination and Link State because the EoC local side in the EoC system can regularly send administrative message to each EoC terminal, therefore need not increase any technological means, just can make things convenient for the response time of record management message transmissions;
Second step, according to the response time of the first step, calculate the EoC local side to the propagation delay time of each EoC terminal, propagation delay time is EoC local side half to corresponding EoC terminal response time;
The 3rd step counted special time period and is (preferred 30s), maximum delay Max and minimal time delay Min in the corresponding described propagation delay time of each EoC terminal, and the jitter value Jitter that calculates EoC local side and this EoC terminal according to formula (1) is
Jitter=Max-Min （1）；
The 4th step, the corresponding link-quality statistical information of each EoC terminal of storage in the EoC of EoC system local side, the link-quality statistical information comprises that the EoC local side is to propagation delay time and the jitter value Jitter of each EoC terminal, can be that each EoC terminal increases a link-quality statistical information in the administration interface of EoC local side, the guardian only need be by checking corresponding EoC link of terminal statistic of attribute like this, just can know the information of EoC local side and this link of terminal time delay and shake, greatly facilitate and safeguard and problem diagnosis.
Link failure diagnostic method based on above-mentioned EoC system transmissions time delay and Jitter Calculation method as shown in Figure 2, may further comprise the steps,
S1 obtains in the EoC system EoC local side to corresponding EoC terminal transmission time delay and jitter value Jitter;
S2, judge the EoC local side to the propagation delay time of EoC terminal and jitter value Jitter whether greater than 50ms, if propagation delay time and jitter value Jitter represent then that all less than 50ms the EoC local side is normal to the network quality of EoC terminal, the link connection state is normal; If propagation delay time and jitter value Jitter represent then that all greater than 50ms current EoC local side is poor to EoC link of terminal communication quality, enter S3 and carry out malfunction elimination;
S3 checks the EoC local side to EoC link of terminal pad value and link signal to noise ratio, judges whether it is because the link attenuation value is too big or noise jamming causes link communication of poor quality; If check that then the EoC local side is to the physical connection of EoC terminal; The inspection physical connection comprises: check whether whether the EoC local side normally and on the physical link have amplifier, and make optimization process to physical link, the contact of Cable line jointing of corresponding EoC terminal room, enters S2 then, and normal until link-quality;
S4, if the inspection of S3 shows that physical connection is normal, then check the EoC local side to the network throughput of corresponding EoC terminal, big as if network throughput, then need check attacks such as whether broadcast storm is arranged at the connection mouth of EoC local side and the user interface side of EoC terminal.
In sum, EoC system transmissions time delay of the present invention and Jitter Calculation method and link failure diagnostic method, in the environment that reality is used, regularly the administrative message that each EoC terminal sends is carried out the inquiry of SOT state of termination and Link State by the EoC local side, the response time of record management message, calculate the EoC local side to the propagation delay time of each EoC terminal, and count the shake of EoC system, be accurate in the EoC system of actual use, the EoC local side is to propagation delay time and the shake of each EoC terminal, the guardian only need be by checking the statistical information of EoC terminal, just know the information of this EoC local side and this EoC link of terminal time delay and shake, greatly facilitate and safeguard and problem diagnosis, the effective optimization link, prevent attacks such as broadcast storm, guarantee the link operate as normal, have a good application prospect.
More than show and described basic principle of the present invention, principal character and advantage.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; that describes in above-described embodiment and the specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (4)
1. an EoC system transmissions time delay and Jitter Calculation method is characterized in that: may further comprise the steps,
Step (1), the EoC local side in the record EoC system send administrative message and receive the response time that described EoC terminal is required to the response of described administrative message to each EoC terminal at every turn;
Step (2) according to the response time of step (1), is calculated the EoC local side to the propagation delay time of each EoC terminal, and described propagation delay time is half of corresponding described response time of this EoC terminal;
Step (3) counts maximum delay Max and minimal time delay Min in the corresponding described propagation delay time of each EoC terminal in the special time period, and the jitter value Jitter that calculates EoC local side and this EoC terminal according to formula (1) is
Jitter=Max-Min （1）；
Step (4), the corresponding link-quality statistical information of each EoC terminal of storage in the EoC of EoC system local side, the link-quality statistical information comprises that the EoC local side is to propagation delay time and the jitter value Jitter of each EoC terminal.
2. EoC system transmissions time delay according to claim 1 and Jitter Calculation method, it is characterized in that: described step (3) special time period is 30s.
3. link failure diagnostic method based on claim 1 described EoC system transmissions time delay and Jitter Calculation method is characterized in that: may further comprise the steps,
Step (1) is obtained in the EoC system EoC local side to propagation delay time and the jitter value Jitter of EoC terminal;
Step (2) judge the EoC local side to the propagation delay time of EoC terminal and jitter value Jitter whether greater than 50ms, if propagation delay time and jitter value Jitter represent then that all less than 50ms the EoC local side is normal to the network quality of EoC terminal, the link connection state is normal; If propagation delay time and jitter value Jitter represent then that all greater than 50ms current EoC local side is poor to EoC link of terminal communication quality, enter step (3) and carry out malfunction elimination;
Step (3) is checked the EoC local side to EoC link of terminal pad value and link signal to noise ratio, judges whether it is because the link attenuation value is too big or noise jamming causes link communication of poor quality; If, then check the EoC local side to the physical connection of EoC terminal, and make optimization process, normal until link-quality;
Step (4) if the inspection of step (3) shows that physical connection is normal, checks that then the EoC local side is to the network throughput of EoC terminal; If network throughput is big, then check whether there is attack at the connection mouth of EoC local side and the user interface side of EoC terminal.
4. EoC system link method for diagnosing faults according to claim 3 is characterized in that: the described inspection of step (3) EoC local side comprises to the physical connection of EoC terminal: check whether whether the EoC local side normally and on the physical link have amplifier to physical link, the contact of Cable line jointing of EoC terminal room.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310288534.4A CN103346917B (en) | 2013-07-10 | 2013-07-10 | EoC system transfers delay time and jitter computational methods and link failure diagnostic method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310288534.4A CN103346917B (en) | 2013-07-10 | 2013-07-10 | EoC system transfers delay time and jitter computational methods and link failure diagnostic method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103346917A true CN103346917A (en) | 2013-10-09 |
| CN103346917B CN103346917B (en) | 2016-03-23 |
Family
ID=49281693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310288534.4A Active CN103346917B (en) | 2013-07-10 | 2013-07-10 | EoC system transfers delay time and jitter computational methods and link failure diagnostic method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103346917B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105245413A (en) * | 2015-09-24 | 2016-01-13 | 成都广达新网科技股份有限公司 | Method for acquiring control information response of terminal by central office of Ethernet over coax (EOC) equipment |
| CN116708149A (en) * | 2022-12-29 | 2023-09-05 | 荣耀终端有限公司 | Network diagnostic method and electronic device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6360260B1 (en) * | 1996-11-12 | 2002-03-19 | International Business Machines Corporation | Discovery features for SNMP managed devices |
| CN101163054A (en) * | 2006-10-13 | 2008-04-16 | 中兴通讯股份有限公司 | Method for implementing service fault diagnosis on digital subscriber line terminal |
| CN101902319A (en) * | 2009-06-01 | 2010-12-01 | 普然通讯技术(上海)有限公司 | Method for synchronizing network clock stamps |
| CN102307122A (en) * | 2011-09-06 | 2012-01-04 | 北京傲天动联技术有限公司 | Ethernet over Coax (EoC) link failure detection system and method |
-
2013
- 2013-07-10 CN CN201310288534.4A patent/CN103346917B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6360260B1 (en) * | 1996-11-12 | 2002-03-19 | International Business Machines Corporation | Discovery features for SNMP managed devices |
| CN101163054A (en) * | 2006-10-13 | 2008-04-16 | 中兴通讯股份有限公司 | Method for implementing service fault diagnosis on digital subscriber line terminal |
| CN101902319A (en) * | 2009-06-01 | 2010-12-01 | 普然通讯技术(上海)有限公司 | Method for synchronizing network clock stamps |
| CN102307122A (en) * | 2011-09-06 | 2012-01-04 | 北京傲天动联技术有限公司 | Ethernet over Coax (EoC) link failure detection system and method |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105245413A (en) * | 2015-09-24 | 2016-01-13 | 成都广达新网科技股份有限公司 | Method for acquiring control information response of terminal by central office of Ethernet over coax (EOC) equipment |
| CN105245413B (en) * | 2015-09-24 | 2018-07-13 | 成都广达新网科技股份有限公司 | A kind of method that EOC equipment local side obtains terminal control message response |
| CN116708149A (en) * | 2022-12-29 | 2023-09-05 | 荣耀终端有限公司 | Network diagnostic method and electronic device |
| CN116708149B (en) * | 2022-12-29 | 2024-05-14 | 荣耀终端有限公司 | Network diagnosis method and electronic equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103346917B (en) | 2016-03-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9231823B2 (en) | Method and system for detecting failures of network nodes | |
| CN102404170B (en) | Detection method, device and system of message loss | |
| CN104079519B (en) | Communication system with active network maintenance and method of use | |
| CN100471140C (en) | A Method of Detecting QoS | |
| US11177997B2 (en) | Distributed antenna system transport link quality measurement | |
| CN104486153B (en) | A kind of transformer station process layer network transmission performance monitoring method based on FPGA | |
| CN107318046B (en) | Internet television service transmission quality monitoring method and system | |
| EP2741439B1 (en) | Network failure detecting method and monitoring center | |
| US20080267215A1 (en) | System and method of identifying a location associated with a source of a data communication problem | |
| US20150095961A1 (en) | Moca remote monitoring and management system | |
| WO2020123415A1 (en) | Network management | |
| US8634324B2 (en) | Method and apparatus for providing signature based predictive maintenance in communication networks | |
| CN107566222A (en) | A kind of method and device for calculating packet loss | |
| CN106302001B (en) | Service fault detection method, related device and system in data communication network | |
| CN103346917B (en) | EoC system transfers delay time and jitter computational methods and link failure diagnostic method | |
| CN102724702B (en) | Transmission method of power transmission line monitoring information capable of preventing congestion of wireless sensing network | |
| CN108011758A (en) | Remote wireless channel monitoring method of electric power remote centralized meter reading system | |
| CN108683542A (en) | Fault self-diagnosis method, system and device of a distributed storage system | |
| WO2017059904A1 (en) | Anomaly detection in a data packet access network | |
| CN117851195A (en) | Computer host operation risk monitoring management and control system based on data analysis | |
| US8566634B2 (en) | Method and system for masking defects within a network | |
| CN105119753B (en) | A kind of method and device of determining alarm failure | |
| CN101321016A (en) | Method and node equipment for implementing user signal failure remote defect indication | |
| CN111865656A (en) | Network channel fault analysis method based on combination of network message and telecontrol message | |
| CN102308487B (en) | A method, device and system for managing lines between central office access equipment and terminal equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent of invention or patent application | ||
| CB02 | Change of applicant information |
Address after: Suzhou City, Jiangsu province 215012 Industrial Park Tang Zhuang Road No. 8 Applicant after: ZHONGLEI ELECTRONIC (SUZHOU) CO., LTD. Address before: Suzhou City, Jiangsu province 215012 Industrial Park Tang Zhuang Road No. 8 Applicant before: Zhongyi (Suzhou) Technology Co., Ltd. |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: SERNET (SUZHOU) TECHNOLOGIES CORPORATION TO: ZHONGLEI ELECTRONICS (SUZHOU) CO., LTD. |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |