基于速率的反馈拥塞控制用于ATM网络中可用位速率（ABR）流量控制。
The available bit rate (ABR) service in ATM networks is designed to include a rate based feedback mechanism for traffic regulation.
当DRNN预测下一时刻缓冲区中的信元数超过阈值时，控制器产生一个反馈控制信号减小信源进入网络的信元速率以避免拥塞发生。
When DRNN predicts that the number of cells in buffer exceeds the threshold limit in the next time cycle, a control signal is generated by the controller to throttle arrival cell rate.
对于A BR业务，AT M论坛最终确定其流量及拥塞控制是一种基于速率的闭环反馈控制机制，这使得A BR成为五种业务中唯一一种速率可控的业务。
Flow control of ABR service is identified by ATM forum as a rate-based close-looped feedback mechanism, which makes ABR service the only one whose rate can be controlled among the five services.
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