One of the most significant changes in the new uTorrent is uTP, the ‘micro transfer protocol’. UTP is a new and improved implementation of the BitTorrent protocol which is designed to be more network-friendly than its predecessor.

With uTP, uTorrent has become more network aware as it will throttle itself if congestion is detected in the network. The uTorrent teams hopes this improvement will eliminate the need for ISPs to throttle BitTorrent traffic, while its users should see less interference with other local applications.

The effectiveness of uTP is still being debated, but some people in the BitTorrent community have noticed another issue. According to some owners of private BitTorrent trackers, uTorrent is no longer playing fair. Since uTorrent users are the only ones using the new protocol, uTorrent favors its own kind over other clients.

This means that when connecting to other clients, uTorrent users will give preference to other uTorrent users, behavior that some have characterized as unfair. As a result, several private BitTorrent trackers have refused to put the newer uTorrent releases on their whitelists, effectively banning the client and forcing their users to stick with the older versions.

Simon Morris, BitTorrent’s VP of Product Management admits that the tracker owners have a point, but says that it is very hard to innovate without having to face such technical downsides. “This is part of the challenge of innovation… but hopefully a challenge we’ll overcome,” Morris told TorrentFreak.

“We’re well aware of these discussions and have been very receptive to the feedback we have received. uTP is being constantly tuned and like any advanced technology on the internet there are edge cases where there’s room for improvement,” Morris adds.

BitTorrent Inc. has opened up the specifications of the uTP protocol and hosted a conference in their San Fransisco offices a few weeks ago to discuss uTP in detail with developers of some of the most popular Bittorrent clients. According to Morris, other popular client developers have shown interest in implementing uTP into their own applications.

Widespread support for the new protocol would of course be the easiest way to get rid of the unfairness allegations, but uTorrent’s major competitor Vuze has no plans to support uTP in the short term. On the other hand, Vuze doesn’t believe the unfairness will result in a noticeable disadvantage for its users.

“In terms of speed, we do not buy-in to the ‘threat’ cited by some, claiming that uTP can result in slower downloads for non-uTP clients due to uTP clients favoring each other during the torrent cold start phase,” Olivier Chalouhi, CTO told TorrentFreak.

Vuze is keeping a close eye on how uTP evolves and will consider adding it to their own client as the technology matures. For now Vuze will continue to work on their own congestion solutions and speed improvements. They have already added UDP transfer support, but not as the primary protocol.

“Vuze added support for UDP transport a few years ago, as a fallback for when TCP connection attempts fail. To date, Vuze chose not to implement UDP as a first-class protocol, as we consciously wanted to avoid claims of a Vuze-specific protocol bias, which we do not believe serves the BitTorrent community at large,” Chalouhi said.

Whether uTorrent’s choice to push uTP forward results in any significant disadvantages for users of other clients is still open for debate. BitTorrent Inc. is, however, committed to play fair and will make the necessary adjustments where needed.

Thus far, only a few private trackers have decided to ban uTorrent and there are currently no signs that it will spread out to more.

Article from: TorrentFreak, check out our new blog at FreakBits.

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uTorrent for Windows saw its first public release in September 2005 and soon became the most widely used BitTorrent applications. The client is used by more than 50 million users worldwide and this number continues to rise.

Today, uTorrent version 2.0 was officially released. This new release is built to be more network friendly thanks to the Micro Transport Protocol (uTP) which aims to mitigate network congestion caused by poorly configured BitTorrent clients.

uTP is a new and improved implementation of the BitTorrent protocol which is designed to be more network friendly than its predecessor. The current implementation often causes interference with other applications. This is one of the main reasons why ISPs try to slow it down, or even stop it altogether. uTP aims to solve this problem.

Simon Morris, BitTorrent’s VP of Product Management is quite proud of the end result, and told TorrentFreak that most ISPs have also responded positively to the implementation of the uTP protocol.

“In general the ISPs who we have explained the technology to have been quite pleasantly surprised. There are occasional noisy skeptics who think its something evil, but they are generally poor confused souls who are more interested in selling a centralized vision of the internet rather than the distributed egalitarian system we have today,” Morris said.

“I’m excited about uTP finally arriving at a full scale deployment on the internet and I really hope that ISPs take the time to understand the potential benefits to them before they take decisions about how to manage this new class of traffic on their networks,” he added.

Aside from being gentle to the ISP’s networks, uTorrent 2.0 might also have a beneficial effect on the download speeds of individual users. Since there is less congestion, uTorrent users will experience no slowdowns in web-browsing.

Less congestion and a more efficient use of the network may eventually result in faster download speeds, which means that it will be a win-win situation for both ISPs and uTorrent users.

Article from: TorrentFreak, check out our new blog at FreakBits.

Popularity: 2% [?]

BitTorrent was first released by Bram Cohen back in 2001, long before streaming video sites such as YouTube existed. At the time, those who wanted to watch high quality video on their computers sometimes had to wait for hours or days until a download finished.

Now, at the end of the decade where BitTorrent has become a synonym for file-sharing, hundreds of millions of people have high speed broadband connections at their homes. Downloading a popular movie or TV-series often takes less than an hour nowadays, but for the demanding web users of today this delay can still prove quite annoying.

Spoiled by the many streaming video sites that have surged in popularity since YouTube’s launch in 2005, many people simply want to start watching instantly. To satiate this demand the popular BitTorrent client uTorrent has now added streaming support to the uTorrent 2.0 release candidate, which allows users to play video files while they are downloading.

“Our hope is to transform getting media using uTorrent from a ‘load-wait-watch-tomorrow’ to more of a ‘point-click-watch’ experience,” Simon Morris, BitTorrent’s VP of Product Management said in a comment.

Although several other BitTorrent clients have already implemented similar streaming capabilities, uTorrent will finally make BitTorrent streaming possible for the majority of BitTorrent users.

In our tests the new feature worked flawlessly on well-seeded torrents. Users simply have to click on the play button next to the download, and after a few seconds or minutes it will turn green, ready to be streamed.

By default the latest uTorrent release is configured to use the DivX web player to stream video. This works well for most files but for us it caused problems with some video formats. Changing it to VLC or any other media player is relatively easy though, by nominating a different streaming player in uTorrent’s preferences.

Aside from streaming regular downloads, uTorrent’s parent company BitTorrent Inc. is also working on BitTorrent-powered live streams. BitTorrent inventor Bram Cohen himself aims to develop a piece of code that is superior to all the other P2P-based streaming solutions on the market today.

“I think there’s a very large market for live [streaming] in general, and to date no-one has proven that a p2p solution can meet the real-world requirements for being an acceptable live solution. I intend on changing that,” Bram told TorrentFreak earlier this year.

For now, uTorrent users will have to settle for on-demand streaming. Those who do not intend to use the feature can be assured that the streaming implementation used by uTorrent is designed on the principles of tit-for tat sharing, meaning that it does not slow down regular downloads.

Article from: TorrentFreak, check out our new blog at FreakBits.

Popularity: 3% [?]