what-when-how
In Depth Tutorials and Information
12
KNOPPIX x=169 N=4125
FreeBSD x=34 N=5699
mandriva x=89 N=2803
openSUSE x=398 N=14805
10
8
6
4
2
0
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
Proportion of Downloaders
Figure 6.1
The piece population snapshots of four real Internet torrents (x =
numberofdownloaders,N=numberofpieces).
Table 6.2
TheBlockVariationfortheSnapshot
MeasurementsofRealInternetTorrents
Torrent Name
Pieces
Leechers
Block Variation
KNOPPIX
4125
169
5.4
×
10
-4
FreeBSD
5699
34
1.0
×
10
-4
mandriva
2803
89
4.4
×
10
-4
openSUSE
14805
398
2.0
×
10
-3
tracking, we did find several torrents that we began monitoring very early, and we
now show only one of them.
6.2.1.2 The Feisty Torrents
Figure 6.2 shows the evolution of the feisty torrent over a period of 17 hours. he
monitoring began soon after the torrent was launched, and though the number
of leechers has already peaked, a peak is clear in the number of seeders near the
middle of the experiment. his leads to the conclusion that this torrent was in a
