{"title":"十微秒局域网免费","authors":"J. Ridoux, D. Veitch","doi":"10.1109/ISPCS.2007.4383782","DOIUrl":null,"url":null,"abstract":"The status quo for timestamping in PCs is ntpd, which is accurate to 1[ms] at best. For precision applications this is inadequate, but it is a low cost solution which suits many generic applications. IEEE-1588 provides mechanisms for sub-microsecond accuracy, but to achieve this more hardware is needed. We have developed the TSCclock, which gives performance between these two, around 10 microseconds on LAN, sub millisecond beyond, but using commodity hardware. We begin detailed benchmarking of the TSCclock to show its potential as an inexpensive yet accurate software clock, which could be used with IEEE-1588 for LANs, but has wider applicability as a replacement to ntpd.","PeriodicalId":258197,"journal":{"name":"2007 IEEE International Symposium on Precision Clock Synchronization for Measurement, Control and Communication","volume":"71 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2007-11-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"16","resultStr":"{\"title\":\"Ten Microseconds Over LAN, for Free\",\"authors\":\"J. Ridoux, D. Veitch\",\"doi\":\"10.1109/ISPCS.2007.4383782\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The status quo for timestamping in PCs is ntpd, which is accurate to 1[ms] at best. For precision applications this is inadequate, but it is a low cost solution which suits many generic applications. IEEE-1588 provides mechanisms for sub-microsecond accuracy, but to achieve this more hardware is needed. We have developed the TSCclock, which gives performance between these two, around 10 microseconds on LAN, sub millisecond beyond, but using commodity hardware. We begin detailed benchmarking of the TSCclock to show its potential as an inexpensive yet accurate software clock, which could be used with IEEE-1588 for LANs, but has wider applicability as a replacement to ntpd.\",\"PeriodicalId\":258197,\"journal\":{\"name\":\"2007 IEEE International Symposium on Precision Clock Synchronization for Measurement, Control and Communication\",\"volume\":\"71 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2007-11-19\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"16\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2007 IEEE International Symposium on Precision Clock Synchronization for Measurement, Control and Communication\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ISPCS.2007.4383782\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2007 IEEE International Symposium on Precision Clock Synchronization for Measurement, Control and Communication","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ISPCS.2007.4383782","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
The status quo for timestamping in PCs is ntpd, which is accurate to 1[ms] at best. For precision applications this is inadequate, but it is a low cost solution which suits many generic applications. IEEE-1588 provides mechanisms for sub-microsecond accuracy, but to achieve this more hardware is needed. We have developed the TSCclock, which gives performance between these two, around 10 microseconds on LAN, sub millisecond beyond, but using commodity hardware. We begin detailed benchmarking of the TSCclock to show its potential as an inexpensive yet accurate software clock, which could be used with IEEE-1588 for LANs, but has wider applicability as a replacement to ntpd.
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