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)： 46/61頁
文件大?。?/td> 551K
代理商： PXB 4330 E
PXB 4330 E
Semiconductor Group
46
Application Note 11.98
1.8.2
The second example shows simplified threshold assignment example for the
configuration in
Figure 2
, simplified by combining several thresholds.
Example 2
Figure 11
Example 2 of Threshold Configuration
In this example the priority assumption between traffic classes is
1. CBR.1 and VBR.1
2. VBR.2 and VBR.3
3. GFR(CLP=0) and ABR
4. GFR(CLP=1) and UBR
Note that the target cell loss probability for priorities 1-3 is in the range 10
-11
- 10
-9
, for
priority 4 in the range 10
-3
- 10
-2
. This is derived in section
1.9.3
.
*) Note:
Low water mark“ of GFR represented by UEC/DEC registers
**) Note: High water mark“ of GFR represented by BufNrtEPD (to trigger this threshold additionally
the QCICLP1 case c) threshold has to be exceeded)
rt-traffic: CBR.1 + VBR.1 + global real time queue
VBR.2
VBR.3
ABR
GFR
UBR
GFR* (CLP=1)
UBR
GFR**
PPD threshold
PPD threshold
VBR.2
VBR.3
EPD threshold
EPD threshold
1
2
3
4
5
6
VBR.2
VBR.3
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