The agent runs an active congestion detection protocol to estimate available bandwidth, and ensures different kinds of flows to employ an Additive Increase and Multiplicative Decrease algorithm.

• 拥塞控制代理一方面执行主动拥塞检测协议，检则网络可用带宽，控制各网络连接都以线性增加、成倍递减方式调整发送数据速率，可有效保证网络稳定；