Qlogic iSR6142 Guida di Installazione Scaricare il pdf (Pagina 42)

3 – Planning

Performance Tuning

3-6 SN0051102-00 A

S

Table 3-4. OC-1 – 50 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 3-5. OC-3 – 150 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

512 K 4

20

512 K 4

15

256 K 3

10

256 K 3

5

128 K 2

2.5

64 K 1

1 or less

32 K 0

1 2 ... 37 38 39 40 41 42 43 44 45 46 47 ... 119 120

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