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bandwidth allocation gap (BAG)

Bandwidth Allocation Gap (BAG) is a time interval used in Virtual Links (VL) that specifies the minimum time between two Ethernet frames

. As with the Interframe Gap (IFG), the Bandwidth Allocation Gap prevents a frame

from beingsent out before the BAG time has elapsed. In addition to the minimum time interval between Ethernet frames, the BAG time also determines the frame length. The BAG interval is specified in milliseconds and can be between 1 ms and 128 ms and is represented in 8 bits. With a maximum Ethernet frame length of 1,518 bytes and a BAG value of 4 ms, this results in a maximum data throughput of almost 380 kBytes per second

. The BAG method is used in the virtual links in Avionics Full Duplex Switched Ethernet (AFDX) with values between 1 ms and 128 ms, and also in automotive technology in TTEthernet with BAG values from 1 ┬Ás.

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Englisch: bandwidth allocation gap - BAG
Updated at: 08.11.2020
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