{"title":"对链路带宽分配设计的流量测量感兴趣的时间标度","authors":"Yonghwan Kim, San-qi Li","doi":"10.1109/INFCOM.1996.493371","DOIUrl":null,"url":null,"abstract":"Consider the link bandwidth allocation for transport of correlated traffic through a queueing system under a maximum allowable delay constraint d/sub max/. We decomposed the traffic into three frequency regions: low-frequency traffic in 0<|/spl omega/|/spl les//spl omega//sub L/, high-frequency traffic in |/spl omega/|/spl ges//spl omega//sub H/ and mid-frequency traffic in /spl omega//sub L/<|/spl omega/|</spl omega//sub H/. The zero-frequency component (DC term) of the traffic provides the average input rate which corresponds to the minimum link bandwidth requirement. Subject to delay constraint d/sub max/, we identify /spl omega//sub /spl lambda//=0.01/spl pi//d/sub max/ and /spl omega//sub H/=2/spl pi//d/sub max/. Hence, the transport of low-frequency traffic exceeds the limit of d/sub max/-constrained buffer capacity; its link bandwidth is essentially captured by its peak rate. In contrast, for the transport of high-frequency traffic the d/sub max/-constrained buffering is most effective and no additional link bandwidth is required. Essentially, the solution of /spl omega//sub L/ and /spl omega//sub H/ plays a role as \"sampling theory\" in traffic measurement for buffer capacity design and link bandwidth allocation. Equivalently in the time domain, the timescale of the low-frequency traffic is longer than or equal to 200d/sub max/; the timescale of high-frequency traffic is shorter than or equal to d/sub max/. Since the link bandwidth allocation of low- and high-frequency traffic requires no measurement of second-order statistics, the timescale of interest for traffic measurement must be identified in [d/sub max/, 200d/sub max/].","PeriodicalId":234566,"journal":{"name":"Proceedings of IEEE INFOCOM '96. Conference on Computer Communications","volume":"21 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1996-03-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"44","resultStr":"{\"title\":\"Timescale of interest in traffic measurement for link bandwidth allocation design\",\"authors\":\"Yonghwan Kim, San-qi Li\",\"doi\":\"10.1109/INFCOM.1996.493371\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Consider the link bandwidth allocation for transport of correlated traffic through a queueing system under a maximum allowable delay constraint d/sub max/. We decomposed the traffic into three frequency regions: low-frequency traffic in 0<|/spl omega/|/spl les//spl omega//sub L/, high-frequency traffic in |/spl omega/|/spl ges//spl omega//sub H/ and mid-frequency traffic in /spl omega//sub L/<|/spl omega/|</spl omega//sub H/. The zero-frequency component (DC term) of the traffic provides the average input rate which corresponds to the minimum link bandwidth requirement. Subject to delay constraint d/sub max/, we identify /spl omega//sub /spl lambda//=0.01/spl pi//d/sub max/ and /spl omega//sub H/=2/spl pi//d/sub max/. Hence, the transport of low-frequency traffic exceeds the limit of d/sub max/-constrained buffer capacity; its link bandwidth is essentially captured by its peak rate. In contrast, for the transport of high-frequency traffic the d/sub max/-constrained buffering is most effective and no additional link bandwidth is required. Essentially, the solution of /spl omega//sub L/ and /spl omega//sub H/ plays a role as \\\"sampling theory\\\" in traffic measurement for buffer capacity design and link bandwidth allocation. Equivalently in the time domain, the timescale of the low-frequency traffic is longer than or equal to 200d/sub max/; the timescale of high-frequency traffic is shorter than or equal to d/sub max/. Since the link bandwidth allocation of low- and high-frequency traffic requires no measurement of second-order statistics, the timescale of interest for traffic measurement must be identified in [d/sub max/, 200d/sub max/].\",\"PeriodicalId\":234566,\"journal\":{\"name\":\"Proceedings of IEEE INFOCOM '96. Conference on Computer Communications\",\"volume\":\"21 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1996-03-24\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"44\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Proceedings of IEEE INFOCOM '96. Conference on Computer Communications\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/INFCOM.1996.493371\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings of IEEE INFOCOM '96. Conference on Computer Communications","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/INFCOM.1996.493371","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Timescale of interest in traffic measurement for link bandwidth allocation design
Consider the link bandwidth allocation for transport of correlated traffic through a queueing system under a maximum allowable delay constraint d/sub max/. We decomposed the traffic into three frequency regions: low-frequency traffic in 0<|/spl omega/|/spl les//spl omega//sub L/, high-frequency traffic in |/spl omega/|/spl ges//spl omega//sub H/ and mid-frequency traffic in /spl omega//sub L/<|/spl omega/|