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Dynamic Data Bandwidth Allocation
Dynamic Data Bandwidth Allocation is a cost savings feature that helps
you save money by only using the second B-channel when it is need for
data transfers, and then dropping the second B-channel when it is not
needed. Dynamic Bandwidth Allocation determines the need for the
second B-channel by measuring the amount of data sent or received
during a set period of time.
Dynamic Data Bandwidth Allocation settings (*D0, *D1, *D2, *D3, and
*D4) determine under which conditions the second link should be brought
up or down.
If you enter a value in
*D3 that is more than the time set in *D1
*D4 that is less than the time set in *D2
Important: Dynamic Bandwidth Allocation is set on by default. To turn
off Dynamic Bandwidth Allocation, use *D0=1.
Controlling Dynamic Bandwidth Allocation in ML-PPP
Use the following *D0 settings to control Dynamic Bandwidth Allocation:
To do this
Enable Dynamic Bandwidth
Allocation in ML-PPP (default).
Disable Dynamic Bandwidth
Allocation in ML-PPP
Use the following settings to control the period of time your
I-modem samples the throughput in order to determine if the second link
needs to be brought up or down:
To set the period of time your
I-modem samples througput
to determine
If a second link should be
brought up
If a second link should be
brought down
11-4
TurboPPP does this
Brings up the second link
Brings down the second link
Use this setting
*D0=0
*D0=1
Use this setting
*D1=n, where n
equals 1-255 five
second units
*D2=n, where n
equals 1 -255 five
second units
Courier I-modem Getting Started Guide
Or this setting
S68.6=0
S68.6=1
Example
*D1=2 (ten
seconds)
*D2=10 (50
seconds)
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