參數(shù)資料
型號(hào): PXB 4330 E
廠商: SIEMENS AG
英文描述: ATM Buffer Manager(異步傳輸模式緩沖器管理器)
中文描述: 緩沖區(qū)管理器自動(dòng)柜員機(jī)(異步傳輸模式緩沖器管理器)
文件頁數(shù): 41/61頁
文件大?。?/td> 551K
代理商: PXB 4330 E
PXB 4330 E
Semiconductor Group
41
Application Note 11.98
Table 10
Overview About Traffic Classes and Used Threshold Types
Traffic
Class
Thresholds
Traffic
Class
Table
L
C
m
c
o
p
g
Global Buffer
T
S
Queue
U
g
1
B
T
B
T
U
g
U
g
T
T
S
T
Q
g
Q
T
Q
T
A
E
P
R
C
C
CBR.1
FFFF
H
2)
n.
a.
3)
n.
a.
n.
a.
n.
a.M
4)
M3FFF
H
M n.a. 0 0 0 1 1 0/1 Y
6)
Y Y
7)
N/
Y
P
C
R
A
V
R
10)
VBR(rt) FFFF
H
n.
a.
n.
a.
n.
a.
n.
a.
M
M 3FFF
H
M C
8)
0 0 0 1
0/
1
9)
0/1 Y Y Y N
VBR(nrt) FFFF
H
Mn.
a.
n.
a.
n.
a.
M
M 3FFF
H
M C
8)
0 00/
1
00/
10/1 N N Y Y
S
C
R
M
C
R
M
C
R
ABR
FFFF
H
M En.
a.CI M CI 3FFF
H
M/
E
CI 10/
1
0/
1
0 1 0/1 N N N Y
GFR
FFFF
H
M E Cn.
a.n.a. E 3FFF
H
E
CI 0 1 1 0 0 1
11)
N N N Y
UBR
FFFF
H
M En.
a.
a.n.a.M/
E
3FFF
H
M/
E
n.a. 00/
1
0/
1
0 1 0/1 Y N N N N
1)
Index marks where the value of the respective threshold is defined:
’g’ = defined per global buffer (register), ’Tr’ = defined per traffic class (traffic class table, see [
1
], page 47)
2)
Size of total buffer maximum fill threshold UBMTH/DBMTH depends on RAM configuration, e.g. 64k cells (=
FFFF
H
).
n.a. = not applicable i.e. it is not meaningful to use this threshold for this traffic class. Every unused threshold
has to be set to the maximum value FFFF
H
(besides the queue thresholds: QMaxEPD maximum value is
3FFF
H
and QCICLP1 maximum value is 3FF
H
; always eight ’1’ in the respective register) !
3)
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