Introduction to BitTorrent Speed™ 🚀 ( BTTC )

BitTorrent swarms suffer from structural inefficiencies which frequently lead to the premature deterioration or death of swarms. Due to upload/download speed asymmetry, files frequently complete downloading long before a peer has been able to upload an equivalent number of bytes. Once the downloading peer has the entire file, there is no economic incentive to continue to make the file available to other downloaders through seeding. That means users leave swarms without uploading as much data as they have downloaded, which results in BitTorrent swarms not lasting as long as they need to.

In some cases, it is possible for a swarm to enable the completion of a download even in the absence of a seed. This possibility is computed and displayed in some implementations as an "availability" metric," typically expressed as the number of distributed copies available. If there is at least one active non-seed peer holding each of the pieces, then the file is said to be

"available." Additionally, the BitTorrent protocol uses a design decision known as "rarest first," which dictates that a client should prioritize requesting to download the pieces that are held by the fewest peers in the swarm to which it has connected. This mechanism is intended to flatten the distribution of pieces to decrease the likelihood of a swarm losing a key peer or peers who are the sole providers of a required piece. While these two considerations mean that seeds are not strictly necessary to complete a download, research has shown that in approximately 86% of seedless cases, this sort of collective reconstruction is not feasible.'……. FOLLOW FOR THE NEXT PART

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Introduction to BitTorrent Speed™ part -2