ATM Traffic Descriptors
PCR CLP=0+1, SCR CLP=0, and MBS CLP=0 With Tagging
ATM Services Configuration Guide for CBX 3500, CBX 500, GX 550, and B-STDX 9000 1/19/05B-7
Beta Draft Confidential
All values in the table represent the measured traffic rate at a given point in time.
Table B-4. PCR CLP=0+1, SCR CLP=0, and MBS CLP=0 With Tagging
CLP=0+1
CPS
SCR of
CLP=0
Stream
MBS of
CLP=0
Stream
Result
68,000 40,000 30 The switch does not drop or tag any cells because
the stream does not exceed traffic parameters.
70,000 40,000 60 CLP=0 cells from the aggregate cell stream are
tagged if the burst tolerance is exceeded. The
number of cells that are tagged depends on the
traffic pattern combination of sustained and burst
cells. The larger the burst, the more cells are
tagged.
70,000 50,000 30 The switch tags as many as 10,000 CLP=0 CPS
because CLP=0 exceeds the SCR. It may tag
additional cells because the cell burst of 30 cells at
PCR, combined with the sustained traffic, may
exceed the burst tolerance.
77,000 40,000 60 The switch drops 7,000 CPS from the CLP=0+1
stream because CLP=0+1 exceeds the PCR. The
number of CLP=0 and CLP=1 cells that are
dropped depends on the ratio of CLP=0 to CLP=1
cells in the aggregate stream. In addition, the
switch will tag some CLP=0 cells if they exceed
the burst tolerance.
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