Abstract:

The presentation proposes next generation photonic internet backbone network architecture that consists of Universal control, Scalable service and Universal backbone. Very cost effective high-speed Universal backbone technologies are highlighted. In addition, an extended signaling and traffic engineering method for the GMPLS-based photonic and electrical multi-layer network is proposed based on newly developed GMPLS photonic router (Hikari-router). The method allows dynamic optical network management and photonic signal recovery, such as regeneration and reshaping etc., to be realized adaptively. Wavelength conversion is also adaptive which reduces network cost. Multi-layer traffic engineering, which yields the dynamic cooperation of IP and photonic layers, is described to provide IP services cost-effectively. To realize multilayer traffic engineering, we propose the OSPF extension, which advertises both the number of total wavelengths and the number of unused wavelengths, and the RSVP-TE extension, which minimizes the number of wavelength conversions needed. The sophisticated signaling methods can bring new optical short hold mode (OSHM) services. The service includes high-performance www server mirroring and www accessing. In addition, the speaker proposes a heuristics-based multi-layer topology design scheme that uses IP traffic measurements in a generalized multi-protocol label switch (GMPLS). The proposed scheme yields the optical label switch path (OLSP) network topology, i.e. OLSP placement, that minimizes network cost, in response to fluctuations in IP traffic demand. In other words, the OLSP network topology is dynamically reconfigured to match IP traffic demand. Networks are reconfigured by the proposed scheme so as to utilize the network resources in the most cost-effective manner.

Naoaki Yamanaka graduated from Keio University, Japan where he received B.E., M.E. and Ph.D. degrees in engineering in 1981, 1983 and 1991, respectively.

In 1983 he joined Nippon Telegraph and Telephone Corporation's (NTT's) Communication Switching Laboratories, Tokyo Japan, where he was engaged in research and development of a high-speed switching system and high-speed switching technologies for Broadband ISDN services. Since 1994, he has been active in the development of ATM base backbone network and system including Tb/s electrical/optical backbone switching as NTT's Distinguished Technical Member. He is now researching future optical IP network, and optical MPLS router system. He is currently a senior research engineer, supervisor, and research group leader in Network Innovation Laboratories at NTT. Dr. Yamanaka is Technical Editor of IEEE Communication Magazine, Broadband Network Area Editor of IEEE Communication Surveys, Editor of IEICE Transaction as well as TAC Chair of Asia Pacific Board at IEEE Communications Society. Dr. Yamanaka is an IEEE Fellow and a member of the IEICE.