In ATM networks, ABR(Available Bit Rate)service is mainly used for data communication. The utilization of ABR bandwidth is closely related to the bandwidth algorithm adopted.

• 在ATM网络(异步转移模式)中,ABR(可用比特速率)业务主要面向数据通信服务,ABR带宽利用率的高低与所采用的带宽分配算法有密切的关系。