Title :
Modeling Unavailability in Peer-to-Peer Systems
Author :
Menasche, Daniel S. ; De Aragao Rocha, Antonio A. ; Li, Bin ; Towsley, Don ; Venkataramani, Arun
Author_Institution :
Univ. of Massachusetts, Amherst, MA
Abstract :
In this paper we model peer-to-peer systems where content may become unavailable. First, using Markov Chains we capture the impact of parameters such as the server upload rate and the popularity of the files on the performance of the system. Then, we show the applicability of our model to the problem of optimal bundling. Bundling files together, rather than disseminating them separately, is a possible solution to improve availability in BitTorrent.
Keywords :
Markov processes; file servers; peer-to-peer computing; Markov chain; content unavailability; file bundling; peer-to-peer system; server upload rate; Availability; File servers; Packaging; Peer to peer computing;
Conference_Titel :
INFOCOM Workshops 2009, IEEE
Conference_Location :
Rio de Janeiro
Print_ISBN :
978-1-4244-3968-3
DOI :
10.1109/INFCOMW.2009.5072166
