P2P

BitTyrant is a BitTorrent client modified from the Java-based Azureus 2.5 code base. BitTyrant is designed to give preference to clients uploading to it fastest and limiting slower uploaders. It is free software and cross-platform, currently available for Windows, OS X and Linux.BitTyrant is a result of research projects at University of Washington and University of Massachusetts Amherst, developed and supported by Professors Tom Anderson, Arvind Krishnamurthy, Arun Venkataramani and students Michael Piatek, Jarret Falkner, and Tomas Isdal. The paper describing how it works, Do Incentives Build Robustness in BitTorrent?, sought to challenge the common belief that BitTorrent’s “must upload to download” transfer protocol prevents strategic clients from gaming the system. It won a Best Student Paper award at the 2007 Networked Systems Design and Implementation conference.As a strategic client, it has demonstrated an average increase in download speed by 70% over a standard BitTorrent client. Non-BitTyrant leechers in the swarm generally receive a decrease in download speed. Even so, if all clients are BitTyrant, high capacity peers are more effectively utilized, allowing for an overall increase in download speed. However, there is a caveat. If high capacity peers are involved in many swarms, low capacity peers lose some performance.

Azureus Vuze (formerly Azureus) is a BitTorrent client. Like other BitTorrent clients, it is used to transfer files over the BitTorrent Peer-to-peer File sharing network. In other words, it is used to download files that other people have made available.Azureus is written in the programming language Java. Java programs often use more resources than programs written in other languages. However, Java also allows programs written in it to be run on many different operating systems.In 2003, the core developers of Azureus formed a company called Vuze, Inc. (formerly Azureus, Inc.) Vuze, Inc. offers legal downloads of content over the BitTorrent network.The program’s logo is the Blue Poison Dart Frog (Dendrobates azureus). The Azureus name was given to the project by co-creator Tyler Pitchford, who uses the Latin names of poison dart frogs as codenames for his development projects.Azureus was first released in June 2003 at SourceForge.net, mostly to experiment with the Standard Widget Toolkit from Eclipse. It is now one of the most popular BitTorrent clients.Released under the GNU General Public License, Azureus is free software.

µTorrent (also microTorrent or uTorrent) is a freeware, closed source, BitTorrent client for Microsoft Windows written in C++[1] and localized for many different languages. It is designed to use minimal computer resources while offering functionality comparable to larger BitTorrent clients such as Azureus or BitComet.The program has received consistently good reviews for its feature set, performance, stability, and support for older hardware and versions of Windows. It has been in active development since its first release in 2005. Its name is commonly abbreviated “µT” or “uT”.On December 7, 2006, µTorrent developer Ludvig Strigeus and BitTorrent, Inc. CEO Bram Cohen announced that BitTorrent, Inc. had acquired µTorrent.BitTorrent, Inc. has employed the code as the basis of version 6.0 of the BitTorrent client which today, in fact, makes it a re-branded version of µTorrent.