Understanding Availability Export

@incollection{citeulike:1365264, abstract = {This paper addresses a simple, yet fundamental question in the design of peer-to-peer systems: What does it mean when we say availability and how does this understanding impact the engineering of practical systems? We argue that existing measurements and models do not capture the complex time-varying nature of availability in todays peer-to-peer environments. Further, we show that unforeseen methodological shortcomings have dramatically biased previous analyses of this phenomenon. As the basis of our study, we empirically characterize the availability of a large peer-to-peer system over a period of 7 days, analyze the dependence of the underlying availability distributions, measure host turnover in the system, and discuss how these results may affect the design of high-availability peer-to-peer services.}, author = {Bhagwan, Ranjita and Savage, Stefan and Voelker, Geoffrey}, citeulike-article-id = {1365264}, citeulike-linkout-0 = {http://www.springerlink.com/content/ehcfgw36n3j1ypr6}, comment = {This paper traces the availability of peers in Overnet. In section 4.5 they claim that uptimes are generally independent: this is actually IMHO due to the fact that Overnet peers come from anywhere in the world.}, journal = {Peer-to-Peer Systems II}, keywords = {availability, overnet, p2p, trace, uptime}, pages = {256--267}, posted-at = {2009-09-09 13:29:21}, priority = {0}, title = {Understanding Availability}, url = {http://www.springerlink.com/content/ehcfgw36n3j1ypr6}, year = {2003} }

TY - CHAP ID - citeulike:1365264 L3 - citeulike-article-id:1365264 N2 - This paper addresses a simple, yet fundamental question in the design of peer-to-peer systems: What does it mean when we say availability and how does this understanding impact the engineering of practical systems? We argue that existing measurements and models do not capture the complex time-varying nature of availability in todays peer-to-peer environments. Further, we show that unforeseen methodological shortcomings have dramatically biased previous analyses of this phenomenon. As the basis of our study, we empirically characterize the availability of a large peer-to-peer system over a period of 7 days, analyze the dependence of the underlying availability distributions, measure host turnover in the system, and discuss how these results may affect the design of high-availability peer-to-peer services. JF - Peer-to-Peer Systems II EP - 267 TI - Understanding Availability SP - 256 KW - availability KW - overnet KW - p2p KW - trace KW - uptime N1 - This paper traces the availability of peers in Overnet. In section 4.5 they claim that uptimes are generally independent: this is actually IMHO due to the fact that Overnet peers come from anywhere in the world. AU - Bhagwan, Ranjita AU - Savage, Stefan AU - Voelker, Geoffrey PY - 2003/// UR - http://www.springerlink.com/content/ehcfgw36n3j1ypr6 ER -