Next generation optical networks will require high levels of flexibility, being able to fit rate, bandwidth, modulation level, forward error correction (FEC) coding and optical reach requirements of different connections. For serving transmission on an elastic optical network, the flexible lightpath routing and the spectrum allocation algorithm for the connection request should be developed. In this paper, the routing, baud rate, FEC Coding, modulation level and spectrum allocation problem are defined and studied. An integer linear programming model is proposed to define the studied problem. Moreover, three heuristic algorithms, which integrate the single-path and multiple-path routing schemes, are also proposed to solve it. The proposed algorithms are examined through simulations, and the results show that the proposed algorithms can achieve good results.

中文翻译：

---

带有灵活收发器的EON上的RBCMLSA问题

下一代光网络将需要高度的灵活性，能够适应速率，带宽，调制级别，前向纠错（FEC）编码以及不同连接的光覆盖要求。为了在弹性光网络上进行服务传输，应开发用于连接请求的灵活光路路由和频谱分配算法。本文定义并研究了路由，波特率，FEC编码，调制级别和​​频谱分配问题。提出了一个整数线性规划模型来定义所研究的问题。此外，还提出了三种结合单路径和多路径路由方案的启发式算法来解决该问题。通过仿真检查了提出的算法，