Eicon-networks DIVA T/A ISDN Modem Uživatelský manuál stáhnout pdf (Strana 10)

What is ISDN?

DIVA T/A ISDN Modem Reference Guide

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Page 10

What is BACP/BOD?

DIVA T/A supports the Bandwidth Allocation Control Protocol (BACP) and Bandwidth on

Demand (BOD). BACP/BOD refers to the ability of a system to allocate and remove links in a

multilink connection in order to lower or increase its bandwidth.

BACP/BOD monitors the flow of traffic across your ISDN connection. When the traffic on the

first B-channel reaches a threshold level for a defined period of time (either because of

deteriorating line conditions or increased traffic), the second B-channel is automatically

added. The second B-channel is kept active as long as traffic remains above the threshold

level. When the traffic drops below the threshold level, the second B-channel is dropped.

When used in conjunction with AO/DI, the D channel flow of data is evaluated and compared

to the threshold in order to add or remove the first B channel.

Since BACP/BOD automatically adds and drops the second B-channel in response to traffic

peaks and declines, the process is completely transparent.

BACP/BOD is an excellent way to reduce communications charges in situations where your

demand for ISDN bandwidth fluctuates.

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Eicon-networks DIVA T/A ISDN Modem Uživatelský manuál Strana 10