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3 – Planning
Performance Tuning
SN0051102-00 A 3-5
A
Table 3-2. T3 / DS-3 – 45 Mbits/Sec
Round Trip Delay
(ms)
Total Window Size
(bytes)
Scaling Factor
250 1 MB 5
100 512 K 4
50 256 K 3
25 128 K 2
20 128 K 2
15 64-128 K 1 or 2
10 64 K 1
5 32 K 0
2.5 32 K 0
1 or less 32 K 0
Table 3-3. DS-5 – 400 Mbits/Sec
Round Trip Delay
(ms)
Total Window Size
(bytes)
Scaling Factor
250 1 MB 5
100 1 MB 5
50 1 MB 5
25 1 MB 5
20 1 MB 5
15 1 MB 5
10 512 K 4
5256 K3
2.5 128 K 2
1 or less 64 K 1