The Congestion Indicator (CI) is a data field in the RM cell that causes the data source to lower its Allowed Cell Rate (ACR). When an RM cell is sent, the data source sets the Congestion Indicator (CI) to 0. Setting the CI to 1 indicates that the Explicit Forward Congestion Indication (EFCI) was received on an earlier cell.
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|Englisch:||congestion indicator - CI|