參數(shù)資料
型號: 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)管理器自動柜員機(jī)(異步傳輸模式緩沖器管理器)
文件頁數(shù): 42/61頁
文件大小: 551K
代理商: PXB 4330 E
PXB 4330 E
Semiconductor Group
42
Application Note 11.98
4)
Represents the threshold type:
’M’ = maximum fill / PPD threshold, ’E’ = EPD threshold, ’M/E’ = maximum fill/PPD threshold or EPD threshold,
’C’ = maximum fill / EPD threshold which only discards CLP1 frames or CLP1 cells, ’CI’ = congestion indication
threshold
5)
Maximum queue size of 16k cells (= 3FFF
H
) due to HW limitation.
’Y’ = Yes, ’N’ = No
6)
7)
Only in the case of per-VC queuing.
8)
CLP-bit=’1’ means that only cells with CLP = ’1’ are discarded if that threshold is exceeded. CLP-bit=’0/1’
indicates that this threshold is independent of the CLP-Bit, i.e. both cells with CLP = ’1’ and cells with CLP = ’0’
are discarded.
9)
Every shaded field marks:
in the case of thresholds : this threshold could or could not be used for this traffic class
in the case of the bits ’ABRen...CLP’ : the respective bit can be set to ’0’ or ’1’
10)
Average rate; the guaranteed rate for VBR(rt) is an average value with a range between the average of the
sum of all PCRs and the average of the sum of all SCRs.
11)
CLP-bit=’1’ means that only frames with CLP = ’1’ of any GFR traffic are discarded as long as that threshold
is exceeded ("Low water mark", see [
4
]).
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