随着光网络向着超高速、大容量方向发展,网络规模日益庞大,光路长度的增长面临着各种信号损伤的问题。为此,提出了一种基于误码率感知的信令优化机制。该机制通过将光信噪比换算成误码率,并在光网络的信令过程中引入误码率因素,从而避免接收端节点因误码率过高而导致通信阻塞。仿真结果表明,所提出的机制在非理想的光网络环境下能够有效提高光路建立的成功率。 With the development of optical networks toward ultra-high speed and large capacity, the network scale is increasingly large and the optical path length is faced with various signal impairments. To this end, a signaling optimization mechanism based on bit error rate sensing is proposed. By converting optical signal-to-noise ratio into bit error rate (BER) and introducing bit error rate (BER) in the signaling process of optical network, this mechanism avoids communication congestion caused by too high bit error rate of the receiving end node. The simulation results show that the proposed mechanism can effectively improve the success rate of optical path establishment under the non-ideal optical network environment.