Published on November 27, 2013
SmartRetracker™ Relieving a large IPS’s network of redundant BitTorrent traffic
What is BitTorrent • BitTorrent is the most popular file sharing protocol in the world today. • In 2013, BitTorrent contributed for 15 to 40 per cent of ISP’s uplink bandwidth load, depending on the country. • BitTorrent ignores ISP’s network topology. • The only way to make BitTorrent more ISP-friendly is by using so called retrackers. They tell BitTorrent software where to find local peers. • A peer is a piece of software used to download files, a member of BitTorrent file exchange network.
BitTorrent running without retracker Our example subscriber’s pool of peers “Downloading from anyone available”. Network topology isn’t taken into account. Redundant use of bandwidth. Peers from other networks A subscriber using BitTorrent A large, multi-regional Internet Service Provider. Example network branches are shown in color. Other subscribers using BitTorrent
BitTorrent running with a local retracker* Local peers All other peers “Preferred downloading from local peers”. Partial localization of BitTorrent traffic. A subscriber using BitTorrent A large, multi-regional Internet Service Provider. Example network branches are shown in color. Peers from other networks * This is a standard feature of BitTorrent protocol and infrastructure. The software is free. Any ISP can install and use it. The effect is not so good, however.
BitTorrent running with SmartRetracker™ Local peers Neighbouring peers “Peers from the same network go first, neighbors next, all others only as a matter of last resort. Optimal! Others A subscriber using BitTorrent A large, multi-regional Internet Service Provider. Example network branches are shown in color.
SmartRetracker™ • Knows the network topology of an ISP. • Updates this knowledge daily using BGP. • Upon request, gives out the optimal set of peers: first local, then neighbors from the same ISP network. Only if that is not enough, some external peers. • Transparent to BitTorrent users, doesn’t require any action on their part in order to operate. The effect is immediate. • Designed and programmed to handle millions of users simultaneously.
SmartRetracker™ • One SmartRetracker™ serving the whole ISP network means one source of stats and analytics, one object for monitoring. • In case of SmartRetracker™ failure, the ISP network continues to operate. Subscribers don’t notice anything at all. • SmartRetracker™ supplies data for our TorrentCache™, enabling proactive caching of torrents. “It’s there when they want it” • When bundled with our TorrentDPI™, SmartRetracker™ is capable of completely suppressing data exchange with “foreign” peers. This reduces BitTorrent’s share in provider’s links to a minimum. • When bundled with TorrentDPI™, it is also capable of taking down any illegitimate torrents in order to enforce copyright.
Contact Ilya Mikov +7-912-0610015 firstname.lastname@example.org Skype: bkmzbkmz
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