PPT-BitTorrent

Esteban Valerio Rojas A35382 Agenda Historia Qué es P2P Qué es BitTorrent Conceptos e información de uso Componentes de un torrent Algoritmos que se utilizan SO en los cuales puede utilizar . org May222003 Abstract The BitTorrent 64257le distribution system uses titfor tat as a method of seeking pareto e64259ciency It achieves a higher level of robustness and resource uti lization than any currently known cooperative tech nique We explain 1Seehttp://www.bittorrent.org/fast extensions.html.1 Thispaperisorganizedasfollows.WewillpresentthemainfoundationsofourapproachinSection2.Sec-tion3explorestheparameterspaceanddiscussespos-sibletrade-o Fig.1.IncentivespushinguserstowardthecentralisedCloudvs.thedecentralisedMist. 4http://bittorrent.com/5http://joindiaspora.com,http://peerson.net/ Considersomeoftheformsofutilityauserwantsfromtheirpers Presented by Hakim Weatherspoon. Game Theory. Main Question: Can we cheat (and get away with it)?. BitTorrent. P2P . f. ile distribution tool designed with . . incentives for contribution. Users c. ontribute resources to get good performance. Presented by Hakim Weatherspoon. Game Theory. BitTorrent. Do Incentives Build Robustness in . BitTorrent. ?. BAR Gossip. BitTorrent. Written by Bram Cohen (in Python) in 2001. “Pull-based” “swarming” approach. Lecture 14: P2P and BitTorrent. (I swear I only use it for Linux ISOs). Based on slides by D. . Choffnes. , Updated by P. Gill Spring 2015.. Administravia. 2. Midterm project meetings with the TA. Next week! Sign up to meet the TA to discuss progress. BitTorrent. Litigation and Rise of Content-Based Challenges to Copyright. presented by. Marc J. . Randazza. www.randazza.com. I.. WHAT’S THIS THAR ‘BITTORRENT’?. www.randazza.com. What is . BitTorrent. dario.rossi. P2P swarming. BitTorrent. INF570. v. 08/2013. Dario Rossi. http://www.enst.fr/~drossi. Plan. Ecosystem. Overview. Swarming algorithms. Interest for multipart download. Piece selection – Local rarest first . Ken Birman. Cornell University. . CS5410 . Fall 2008. . Major issue in real P2P systems. Suppose that John Smith signs up to use . FileSnarfer. and checks all the boxes off: he’s happy to upload files, has ample space, his machine is always turned on.. : Do incentives build robustness in . BitTorrent. ?. Robert Maratos. 15-744 Computer Networks. Tit for Tat. BitTorrent’s. fairness strategy. Encourages users to upload chunks of the file to receive a faster download in return. Some Data about Video watching. Insatiable appetite of . Digital Video . has changed the Internet. Currently, video accounts for . 70% of all internet traffic. , and it can . hit 90% in 2020 . (forecast by Cisco).. On the itinerary:. Introduction . to . BitTorrent. Basics . & properties. 3 . Interesting analysis . results. Publishing. How to publish a (usually large) file ?. Dedicated server:. Easy to manage, Easy to find, Persistent service. About Imperva. Founded in November 2002 by . Shlomo. Kramer, Amichai Shulman and Mickey . Boodaei. ~700 . employees. R&D center in Tel-Aviv. SecureSphere . protects web applications, databases, file access, cloud applications. Disasters. BitTorrent as a Global Witness. Zachary Bischof. , John Otto, . Fabián. Bustamante. Northwestern University. Distributed Systems in the Wild. Distributed systems are becoming fully integrated into our daily lives.