Review of ONT2 - From Executive Summary – The Vision Layer 1/ Layer 2 networking is going to create entirely new kind of network for real applications. Underlay and overlay taken together can provide new layered services Immediate Need to Buy Dark Fiber Changes Needed at Campus Level GLIF GENI 3 Generation and Paradigm Generation ・Fundamental concept and structure of the systems, are maintained, and functions and performances are improved. ・Mainframe computer：１G、２G、３G、４G、but no 5G ・Telephone: Analog, Digital, ISDN, but no B－ISDN ・Cellular phone：１G, ２G, ３G, and ４G ？ ・Internet ：・・・ IPv4, IPv6, and ？ 4 Generation and Paradigm Paradigm. | ONT3 New Generation Networks and Optical Network Testbeds September 7 2006 Keio University Tomonori Aoyama Keio University NICT NiCT Nations Institute of Information and Communications Technology 1 Contents - Review of ONT2 - Generation and Paradigm - Next Generation Network NXGN - New Generation Network NWGN - Optical Network R D in Japan - Network Testbed for NWGN 2 Review of ONT2 - From Executive Summary - The Vision Layer 1 Layer 2 networking is going to create entirely new kind of network for real applications. Underlay and overlay taken together can provide new layered services Immediate Need to Buy Dark Fiber Changes Needed at Campus Level GLIF GENI
