 10th percentile of the peers (the 10% slowest
peers) are ignored and not included in the peer list. Peers that have choked
us, are not interesting, is on parole, disconnecting, have too many outstanding
block requests or is snubbed are also excluded from the peer list.</p>
<p>The time critical pieces are also kept sorted by their deadline. Pieces with
an earlier deadline first. This list of pieces is iterated, starting at the
top, and blocks are requested from a piece until we cannot make any more
requests