[ns] Queries about OBS-ns

Hi, I am Mrinal Nandi doing my M.Tech in optical networks. So I need OBS-ns simulator to simulate the characteristics of optical network. So if any one any idea about OBS-ns please tell me.

[ns] If any body can help me about OWNS

please if any body have any experience in OWNS simulator which is used in Optical Wavelength Division Multiplexing simulation how i can install and what are the requirements to install this .please help me...