Hub site oriented traffic grooming for mesh OTN/WDM networks

We have proposed a novel traffic grooming method with a relaxed ILP model considering hub site locations. This method showed more than 80% of computation time reduction with maintaining the grooming performance.

[1]  Brigitte Jaumard,et al.  ILP formulations and optimal solutions for the RWA problem , 2004, IEEE Global Telecommunications Conference, 2004. GLOBECOM '04..