Semi-Experiments and the Modelling of Internet Traffic - SAMSI
Semi-Experiments and the Modelling of Internet Traffic - SAMSI
Semi-Experiments and the Modelling of Internet Traffic - SAMSI
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Similar ‘Biscaling’ in both Y <strong>and</strong> X for TCP Flows, Connected?<br />
Y<br />
X<br />
log 2<br />
Var( d j<br />
)<br />
16<br />
14<br />
12<br />
10<br />
8<br />
0.016 0.062 0.25 1 4 16 64 256 1024<br />
AUCK2<br />
AUCK4<br />
Var ( d j<br />
)<br />
30.5mus 977mus 0.031 1 32 1024<br />
10<br />
8<br />
6<br />
4<br />
AUCK−a0<br />
AUCK−b0<br />
AUCK−c0<br />
AUCK−c1<br />
AUCK−d0<br />
AUCK−d1<br />
UNC−a0<br />
UNC−a1<br />
Abilene<br />
Mel ISP−1<br />
Mel ISP−2<br />
Mel ISP−3<br />
2<br />
6<br />
(a)<br />
0<br />
4<br />
−6 −4 −2 0 2 4 6 8 10<br />
j = log 2<br />
( a )<br />
−15 −10 −5 0 5 10<br />
j = log 2<br />
(a)<br />
Observations for both X, Y<br />
• Small scales: scaling behaviour?<br />
• Characteristic scale, ‘knee’: function <strong>of</strong> ?<br />
• Large scales: LRD, due to what?<br />
Connections between X, Y<br />
• Y ⊂ X<br />
• Structural: inter <strong>and</strong> intra-flow dependencies<br />
8
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