{"title":"视频传输的服务质量(QoS)","authors":"Shihyon Park, J. DeDourek","doi":"10.1109/ICUFN.2009.5174301","DOIUrl":null,"url":null,"abstract":"This paper evaluates QoS techniques for transmission of real-time video that use a DiffServ mechanism that includes an efficient bandwidth agent to allocate bandwidth on heterogeneous networks, a Hierarchical Token Bucket (HTB) queuing scheme at the output interface of Linux-based routers, and a policing mechanism at the incoming interface of the edge router (ER) in a Linux-based testbed. The testbed consists of several different networks including IEEE 802.11b to find the characteristics of real-time video traffic using MPEG streaming video and VLC for server/client so that we will have a good idea what bandwidth and burst size is required to stream MPEG video through the QoS Diffserv domain. We set an efficient testbed to investigate how real-time streams behave in the QoS scheme, and to provide a realistic recommendation to manage the available bandwidth for both the QoS provider and clients.","PeriodicalId":371189,"journal":{"name":"2009 First International Conference on Ubiquitous and Future Networks","volume":"44 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2009-06-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"4","resultStr":"{\"title\":\"Quality of service (QoS) for video transmission\",\"authors\":\"Shihyon Park, J. DeDourek\",\"doi\":\"10.1109/ICUFN.2009.5174301\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"This paper evaluates QoS techniques for transmission of real-time video that use a DiffServ mechanism that includes an efficient bandwidth agent to allocate bandwidth on heterogeneous networks, a Hierarchical Token Bucket (HTB) queuing scheme at the output interface of Linux-based routers, and a policing mechanism at the incoming interface of the edge router (ER) in a Linux-based testbed. The testbed consists of several different networks including IEEE 802.11b to find the characteristics of real-time video traffic using MPEG streaming video and VLC for server/client so that we will have a good idea what bandwidth and burst size is required to stream MPEG video through the QoS Diffserv domain. We set an efficient testbed to investigate how real-time streams behave in the QoS scheme, and to provide a realistic recommendation to manage the available bandwidth for both the QoS provider and clients.\",\"PeriodicalId\":371189,\"journal\":{\"name\":\"2009 First International Conference on Ubiquitous and Future Networks\",\"volume\":\"44 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2009-06-07\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"4\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2009 First International Conference on Ubiquitous and Future Networks\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ICUFN.2009.5174301\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2009 First International Conference on Ubiquitous and Future Networks","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ICUFN.2009.5174301","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
This paper evaluates QoS techniques for transmission of real-time video that use a DiffServ mechanism that includes an efficient bandwidth agent to allocate bandwidth on heterogeneous networks, a Hierarchical Token Bucket (HTB) queuing scheme at the output interface of Linux-based routers, and a policing mechanism at the incoming interface of the edge router (ER) in a Linux-based testbed. The testbed consists of several different networks including IEEE 802.11b to find the characteristics of real-time video traffic using MPEG streaming video and VLC for server/client so that we will have a good idea what bandwidth and burst size is required to stream MPEG video through the QoS Diffserv domain. We set an efficient testbed to investigate how real-time streams behave in the QoS scheme, and to provide a realistic recommendation to manage the available bandwidth for both the QoS provider and clients.
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