{"title":"使用XTP和FDDI的数字化语音分发","authors":"A. Weaver, J. F. McNabb","doi":"10.1109/LCN.1992.228156","DOIUrl":null,"url":null,"abstract":"The feasibility of distributing digitized voice over FDDI using the Xpress Transfer Protocol (XTP) is examined. The requirements of such a system, the role of a communications protocol, and the overall experimental design are studied. A basic configuration is developed to measure the system throughput, latency, and jitter, and from these data the number of voice channels that a given configuration would support is computed. The basic system is then perturbed by adding up to 75 Mb/s of background synchronous load to the FDDI network, and by artificially dropping up to 10% of the transmitted packets to force retransmissions. Whether XTP's reliable transport multicast, which provides a 1-to-m transmission capability, provides a latency reduction when compared to m serial unicasts is investigated. Conclusions regarding the utility of a transport protocol for both single segment and multiple-segment LANs are presented.<<ETX>>","PeriodicalId":249184,"journal":{"name":"[1992] Proceedings 17th Conference on Local Computer Networks","volume":"29 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1992-09-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":"{\"title\":\"Digitized voice distribution using XTP and FDDI\",\"authors\":\"A. Weaver, J. F. McNabb\",\"doi\":\"10.1109/LCN.1992.228156\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The feasibility of distributing digitized voice over FDDI using the Xpress Transfer Protocol (XTP) is examined. The requirements of such a system, the role of a communications protocol, and the overall experimental design are studied. A basic configuration is developed to measure the system throughput, latency, and jitter, and from these data the number of voice channels that a given configuration would support is computed. The basic system is then perturbed by adding up to 75 Mb/s of background synchronous load to the FDDI network, and by artificially dropping up to 10% of the transmitted packets to force retransmissions. Whether XTP's reliable transport multicast, which provides a 1-to-m transmission capability, provides a latency reduction when compared to m serial unicasts is investigated. Conclusions regarding the utility of a transport protocol for both single segment and multiple-segment LANs are presented.<<ETX>>\",\"PeriodicalId\":249184,\"journal\":{\"name\":\"[1992] Proceedings 17th Conference on Local Computer Networks\",\"volume\":\"29 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1992-09-13\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"2\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"[1992] Proceedings 17th Conference on Local Computer Networks\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/LCN.1992.228156\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"[1992] Proceedings 17th Conference on Local Computer Networks","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/LCN.1992.228156","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
The feasibility of distributing digitized voice over FDDI using the Xpress Transfer Protocol (XTP) is examined. The requirements of such a system, the role of a communications protocol, and the overall experimental design are studied. A basic configuration is developed to measure the system throughput, latency, and jitter, and from these data the number of voice channels that a given configuration would support is computed. The basic system is then perturbed by adding up to 75 Mb/s of background synchronous load to the FDDI network, and by artificially dropping up to 10% of the transmitted packets to force retransmissions. Whether XTP's reliable transport multicast, which provides a 1-to-m transmission capability, provides a latency reduction when compared to m serial unicasts is investigated. Conclusions regarding the utility of a transport protocol for both single segment and multiple-segment LANs are presented.<>
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