Ars Technica article about a new product intended to detect and throttle encrypted BitTorrent traffic.When torrents first saw common use ISPs would throttle the bandwidth available to them, in order to ensure connectivity for everyone. Some clients began encrypting their data to get around this, and the company Allot Communications is now claiming their NetEnforcer product will return the advantage to the ISPs.

Now, a company called Allot Communications is claiming that their new hardware product, the NetEnforcer, is the first device that will seek out and throttle encrypted BitTorrent traffic. According to a spokesperson for the company, the NetEnforcer utilizes deep packet inspection technology "to identify and analyze hundreds of applications and protocols, track subscriber behavior, prioritize traffic and shape traffic flows."

Certainly, increasing BitTorrent traffic is a concern for ISPs. In early 2004, torrents accounted for 35 percent of all traffic on the Internet. By the end of that year, this figure had almost doubled, and some estimate that in certain markets, such as Asia, torrent traffic uses as much as 80 percent of all bandwidth. However, BitTorrent is an extremely important tool that has many uses other than what everyone assumes it is good for, namely movie piracy. Being able to deliver large files such as game demos, upgrades, and free video (such as Robert Cringely's NerdTV series) without relying on a central source makes it possible for small distributors to deliver their content without going bankrupt from the bandwidth bill.