Memory calculations 149
No& 12 : The
protehd
store requirements for DISA (on a per-customer
basis) are:
l+(DNx6)
Release 13 through 15
l+(DNx7)-----l+(DNx7)
where:
DN = number of DISA-DNs.
Note
13 : The protected store requirements for Authorization Code (on a
per-customer basis) are:
1250 + (A x ((L/4 x 128) + 64)) +
(I3
x (1018 + (C x 32)))
Releases 13 through 15:
..
1308 + (A x ((L/4 x 128) + 64)) + (B x (1018 + (C x 32)))
where:
L = digit length
T = total authcode
A = number of overfIow blocks
B = number of auth blocks
C = number of resolution blocks per auth block.
For L less than 4 or L greater than 7
A=(T/128)+
1
B=C=O.
For L in the range of 4
-
7
A = ((0.2 x
g/128
+ 1)
B = ((0.8 x T)/looO + 1)
C=8
Memory calculations 553-2201-l 51 Appendix 1
-.
:..-