CN101325470A - Method for measuring end-to-end data transmission time delay in self-apperceiving optical network - Google Patents
Method for measuring end-to-end data transmission time delay in self-apperceiving optical network Download PDFInfo
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- CN101325470A CN101325470A CNA2008101172669A CN200810117266A CN101325470A CN 101325470 A CN101325470 A CN 101325470A CN A2008101172669 A CNA2008101172669 A CN A2008101172669A CN 200810117266 A CN200810117266 A CN 200810117266A CN 101325470 A CN101325470 A CN 101325470A
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- A kind of method for measuring end-to-end data transmission time delay in 1 self-apperceiving optical network is characterized in that may further comprise the steps:Step 1 at source node, according to the demand of network end-to-end latency measurement, produces and sends detection packet;Step 2, the record detection packet is standard from the time that source node sends with the source node local clock;Step 3 when detection packet arrives intermediate node, writes down this node number, and the time of this node of record arrival, is standard with this node local clock;Step 4, when detection packet was left intermediate node, record left the time of this node, is standard with this node local clock;Step 5 when detection packet arrives destination node, signs in, and is standard with the destination node local clock;Step 6 in destination node, is passed through the node backward with its that writes down in the detection packet that receives and is arranged, the path when returning as detection packet, and the path when the source detection packet is come according to this detection packet oppositely sends it back source node;Step 7, the record detection packet is returned in the source node process at the time of advent and the time departure of each node, is standard with each node local clock respectively;Step 8 according to the time of above-mentioned record, calculates the end-to-end data transmission time delay between source node and destination node.
- 2 is according to claim 1, a kind of method for measuring end-to-end data transmission time delay in the self-apperceiving optical network, it is characterized in that: the storage organization of described detection packet comprises following field: the source node numbering, source node forward transmitting time, the source node return time, the destination node numbering, destination node forward time of reception, the reverse transmitting time of destination node, the intermediate node numbering, intermediate node forward time of advent, intermediate node forward time departure, intermediate node reverse time of advent, the reverse time departure of intermediate node, wherein the intermediate node number by detection packet from the source node to the destination node the jumping figure decision of process.
- 3 is according to claim 1, a kind of method for measuring end-to-end data transmission time delay in the self-apperceiving optical network, it is characterized in that: all record described correlation time in the corresponding field of detection packet storage organization, these fields comprise: source node forward transmitting time, source node return time, destination node forward time of reception, the reverse transmitting time of destination node, intermediate node forward time of advent, intermediate node forward time departure, intermediate node reverse time of advent, the reverse time departure of intermediate node.
- 4 is according to claim 1, a kind of method for measuring end-to-end data transmission time delay in the self-apperceiving optical network, it is characterized in that: destination node receives after the detection packet, read " source node numbering " in its storage organization, " n intermediate node numbering ", " destination node numbering " corresponding information that field write down, produce new detection packet, " destination node numbering " field value in the detection packet of source is write in the new detection packet in " source node numbering " field, " source node numbering " field value in the detection packet of source is write in the new detection packet in " destination node numbering " field, " n intermediate node numbering " field value in the detection packet of source is write in the new detection packet in " n intermediate node numbered " field corresponding " n intermediate node forward the time of advent " according to backward, " n intermediate node forward time departure ", between " when n intermediate node intermediate node oppositely arrives ", " n the reverse time departure of intermediate node ", " source node transmitting time ", " destination node forward time of reception " field is carried out assignment simultaneously
- 5 is according to claim 1, a kind of method for measuring end-to-end data transmission time delay in the self-apperceiving optical network, it is characterized in that: when destination node sends the local new data packets that produces, new data packets will be returned according to the opposite direction of former packet transmission route, until arriving source node, local clock with destination node is a benchmark, new detection packet transmitting time is recorded in " the reverse transmitting time of destination node " field of new detection packet storage organization.
- 6 is according to claim 1, a kind of method for measuring end-to-end data transmission time delay in the self-apperceiving optical network, it is characterized in that: " the source node forward transmitting time " that in the new detection packet storage organization of source node basis, writes down, " n intermediate node forward the time of advent ", " n intermediate node forward time departure ", " destination node forward time of reception ", " n intermediate node the reverse time of advent ", " n the reverse time departure of intermediate node ", " the reverse time of reception of source node ", utilize following formula to calculate end-to-end data transmission time delay between source node and destination node:End-to-end trip path propagation delay time=(the reverse time of reception of source node-source node forward transmitting time)-∑ (n intermediate node forward time departure-n intermediate node forward the time of advent)-(the reverse transmitting time of destination node-destination node forward time of reception)-∑ (n the reverse time departure of intermediate node-a n intermediate node the reverse time of advent)End-to-end path propagation delay time=end-to-end trip path propagation delay time/2;End-to-end node processing time delay=∑ (n intermediate node forward time departure-n intermediate node forward the time of advent);Transfer of data end-to-end time delay=end-to-end path propagation delay time+end-to-end node processing time delay.
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Cited By (4)
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CN104301168A (en) * | 2013-07-31 | 2015-01-21 | 肖华林 | Message transmission delay measurement method and system |
WO2017031858A1 (en) * | 2015-08-27 | 2017-03-02 | 北京百度网讯科技有限公司 | Method and apparatus for detecting time delay state information, and network architecture |
CN108566316A (en) * | 2018-04-18 | 2018-09-21 | 百度在线网络技术(北京)有限公司 | Unmanned vehicle delay statistics method, apparatus, equipment and computer-readable medium |
US10361938B2 (en) | 2013-12-13 | 2019-07-23 | Zte Corporation | Method for measuring transmission delay of optical transport network device and source OTN device |
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CN103607267B (en) * | 2013-07-23 | 2019-03-15 | 王健 | The end-to-end propagation delay time of data network message is with band measurement method |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101102131A (en) * | 2006-07-03 | 2008-01-09 | 中兴通讯股份有限公司 | Transmission delay measurement method of remote RF unit |
CN100479620C (en) * | 2006-07-11 | 2009-04-15 | 华为技术有限公司 | Method and apparatus for obtaining interface time delay between wireless network controller and base station |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104301168A (en) * | 2013-07-31 | 2015-01-21 | 肖华林 | Message transmission delay measurement method and system |
US10361938B2 (en) | 2013-12-13 | 2019-07-23 | Zte Corporation | Method for measuring transmission delay of optical transport network device and source OTN device |
WO2017031858A1 (en) * | 2015-08-27 | 2017-03-02 | 北京百度网讯科技有限公司 | Method and apparatus for detecting time delay state information, and network architecture |
CN108566316A (en) * | 2018-04-18 | 2018-09-21 | 百度在线网络技术(北京)有限公司 | Unmanned vehicle delay statistics method, apparatus, equipment and computer-readable medium |
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