I wonder if they are a deterrent of good torrent networking operation.
closed as not a real question by Karan, Scott Chamberlain, Hennes, random♦ Oct 31 '12 at 23:59
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Torrenting, or any large file transfers, do not care at all about latency, and you will see a marginal benefit to overall network health if you leave them at the system defaults. However, the benefits for gaming probably far outweigh the costs to large file transfers.