GMPLS-based photonic multilayer router (Hikari router) architecture: An overview of traffic engineering and signaling technology

Ken Ichi Sato, Naoaki Yamanaka, Yoshihiro Takigawa, Masafumi Koga, Satoru Okamoto, Kohei Shiomoto, Eiji Oki, Wataru Imajuku

Research output: Contribution to journalArticle

136 Citations (Scopus)

Abstract

A new extended signaling and traffic engineering method for the GMPLS-based photonic and electrical multilayer router (Hikari router) is proposed. The method allows dynamic optical network management and photonic signal recovery, such as regeneration, reshaping, etc., to be realized adaptively. Wavelength conversion is also adaptive, which reduces network cost. Multilayer 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. In addition, this paper proposes a heuristics-based multilayer 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, that is, 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 network resources in the most cost effective manner.

Original languageEnglish
Pages (from-to)96-101
Number of pages6
JournalIEEE Communications Magazine
Volume40
Issue number3
DOIs
Publication statusPublished - 2002 Mar
Externally publishedYes

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Routers
Photonics
Labels
Multilayers
Switches
Network protocols
Optical frequency conversion
Topology
Costs
Wavelength
Network management
Fiber optic networks
Recovery

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Computer Networks and Communications

Cite this

GMPLS-based photonic multilayer router (Hikari router) architecture : An overview of traffic engineering and signaling technology. / Sato, Ken Ichi; Yamanaka, Naoaki; Takigawa, Yoshihiro; Koga, Masafumi; Okamoto, Satoru; Shiomoto, Kohei; Oki, Eiji; Imajuku, Wataru.

In: IEEE Communications Magazine, Vol. 40, No. 3, 03.2002, p. 96-101.

Research output: Contribution to journalArticle

Sato, Ken Ichi ; Yamanaka, Naoaki ; Takigawa, Yoshihiro ; Koga, Masafumi ; Okamoto, Satoru ; Shiomoto, Kohei ; Oki, Eiji ; Imajuku, Wataru. / GMPLS-based photonic multilayer router (Hikari router) architecture : An overview of traffic engineering and signaling technology. In: IEEE Communications Magazine. 2002 ; Vol. 40, No. 3. pp. 96-101.
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