Memory calculations 143
129 + 305 = 434
SIZE
(ESNJ’RAN-BLOCK)
= 1
I
This formula is based on the assumption that the IWA/NXX translation tree
is half full and distributed evenly.
This should represent the typical case.
For more precise calculation, use NABS formula.
.
Note 8 : The protected data store requirements for NABS (on a per-
customer basis)are:
Release 4
137 +
12x(1+
Al+
A2)+
12x(A3+
A4)
+
12x(1+
Bl+
B2)+
12x(l33+
B4)
+
4xRN+
RLx(8+
3xRLE)+
DME
x(3+
I/4)+
LOCx6+
FCAS+ SCC
Releases 5 and 7
137 +
11x(1+
Al+
A2)+
llx(A3+
A4)
+
11x(1+
Bl+
B2)+
llx(B3+
B4)
+SDRRx(3+2xSDE)+RLx(8+3xRLE)+DME
x (3 + I/4) + LGC x 6 + FCAS + SCC + ITGE + MDID
Releases 8 through 12
16 +
SUMl+
SUM2
+SDRRx(3+2xSDE)+RLx(8+3xRLE)+DME
x(~+I/~)+LGCX~+FCAS+SCC+ITGE+MDID
Releases 13 and 14
BASICESN
+ SUM1 + SUM2
+SDRRx(3+2xSDE)+BLx(8+3xRLE)+DME
x (3 + I/4) + LGC x 6 + FCAS + SCC + ITGE + MDID
Release 15
BASICESN
+ SUM1 + SUM2
+SDRRx(3+2xSDE)+BLx(8+3xRLE)+DME
x(~+I/~)+LGCX~+FCAS+
SCC+ITGE+MDID
Memory calculations 553-2201-l 51 Appendix 1
.