Estimating the number of ports that a unit will use

With a multi-front-end server configuration, decide the values for f and F for each front-end server, which will become the total number of ports. Use the following formula to calculate the target number of port numbers for each front-end server.

Formula

For HP-UX, AIX

{b[k(B + F) + 1]
+ f(kB + D + 2) + d(F + 1)}
pd_max_users + 1000
For Solaris and Linux

{b[k[(b - 1) 2 + B + 1] + 1]
+ f(kb + D + 2) + d2}
pd_max_users + 1000

b: Number of back-end servers inside the unit

B: Number of back-end servers outside the unit

f: Number of front-end servers inside the unit: Each front-end server counts as either 1 or 0:; If the front-end server is inside the unit: 1; If the front-end server is outside the unit: 0

F: Number of front-end servers outside the unit: Each front-end server counts as either 1 or 0:; If the front-end server is inside the unit: 1; If the front-end server is outside the unit: 0

d: Number of dictionary servers inside the unit

D: Number of dictionary servers outside the unit

k: 23

25.4.1 Estimating the number of ports that a unit will use

(1) Single server

(2) Parallel Server