(1)
Demonstration of high-reliability Photonic MPLS Router (HIKARI Router) networks based on newly developed disjoint path selection scheme
IEEE Communications Magazine, Vol.40, No.11, pp.52-59, Nov. 2002.

(2)
Field trial of signaling interworking of multi-carrier ASON/GMPLS network domains
IEEE/OSA OFC/NFOEC2006, PDP47, March 2006.

(3)
Nationwide GMPLS field trial using different types (MPLS/TDM/Lambda) of switching capable equipment from multiple vendors
IEEE/OSA OFC/NFOEC2005, PDP40, March 2006.