High-speed switch system for multimedia service nodes

Naoaki Yamanaka, Kimihiro Yamakoshi, Ryusuke Kawano

Research output: Contribution to journalArticlepeer-review


Breakthrough technologies are described for switching hardware and system integration that will enable the development of a Tbit/s-class switching system for multi-service backbone networks. Also described is a switching architecture that is familiar with IP traffic while retaining the advantages of a conventional ATM switch. Following papers describe the newly developed 640-Gbit/s OPTIMA (OPTically Interconnected Multi-stage ATM switch architecture) switching system, including the 640-Gbit/s switching system architecture, 80-Gbit/s switch-element architecture, hardware architecture, and packaging technique.

Original languageEnglish
Pages (from-to)698-705
Number of pages8
JournalNTT R and D
Issue number12
Publication statusPublished - 2000 Dec 1
Externally publishedYes

ASJC Scopus subject areas

  • Electrical and Electronic Engineering


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