Dr. Okamoto’s paper about end-to-end ethernet VLAN path provisioning over multi ASON and GMPLS network domains was accepted for NFOEC2009 presentation.

Title: Multi ASON and GMPLS Domains Interworking Trials for Automatically Switched Ethernet VLAN Path Provisioning

Author: Satoru Okamoto(1), Kou Kikuta(1), Daisuke Ishii(1), Shuichi Okamoto(2), Tomohiro Otani(2), and Hideki Otsuki(3)
(1): Keio University, 3-14-1 Hiyoshi Kouhoku-ku, Yokohama-shi, Kanagawa 223-8522, Japan
(2): KDDI R&D Laboratories Inc., 2-1-15 Ohara Fujimino-shi, Saitama 356-8502, Japan
(3): National Institute of Information and Communications Technology, 4-2-1 Nukui-kita, Koganei-shi, Tokyo 184-8795, Japan

Abstract: Seamless end-to-end Ethernet VLAN path provisioning over multiASON and GMPLS network domains is successfully achieved. Two interworking scenarios 1) ASON and GMPLS, 2) GMPLS and GMPLS are confirmed in both control and data planes.

Yamanaka Lab. was accepted to join the Cell User’s Group.

The Cell User’s Group is an open organization established by the System LSI Division of Toshiba Corporation, Semiconductor Company.
The group is intended for various fields of business and institutions such as: companies or organizations which research, develop, and manufacture Cell Broadband Engine(Cell/B.E.) or SpursEngine products; software developers; universities; and research institutions.

Yamanaka Lab. will run two booths.

• Active Optical Access Network -ActiON-
• Next Generation Layer2 Network Technologies

Details are as below.

Time and Date: December 19, 2008 10:00-17:00
Place: Tokyo International Forum B Block 5th & 7th floors
Admission: Free

Please go to Keio Technomall Website for　more informations.

Mr. Ishii and Dr. Okamoto’s paper co-worked with Dr. Imajuku of NTT communications etc. was accepted in IEEE Communications Magazine.

Title: “Multi-Area MPLS/GMPLS Interoperability Trial Over ROADM/OXC Network”

Authors: Wataru Imajuku, Eiji Oki(NTT Laboratories), Rajiv Papneja(Isocore), Shinichiro Morishita(TOYO Corporation), Kenichi Ogaki, Masanori Miyazawa(KDDI R&D Laboratories Inc.), Keiji Miyazaki(Fujitsu Laboratories Ltd.), Hiroaki Nakazato(Fujitsu Ltd.), Hidetsugu Sugiyama, John Allen(Juniper Networks), Shinichi Hasegawa, Nobuhiro Sakuraba(ITOCHU Techno-Solutions Corporation), Itaru Nishioka(NEC Corporation), Shoichiro Seno(Mitsubishi Electric Corporation), Yoshihiro Nakahira(Oki Electric Industry Co., Ltd.), Daisuke Ishii, Satoru Okamoto(Keio University), Tara Van Unen(Agilent Technologies, Inc.), Mark Blumhardt(Alcatel USA Inc.), Hari Rakotoranto(Cisco Systems, Inc.), Vijay Pandian(Sycamore Networks)

Abstract: This article describes the first multi-area Multi-Protocol Label Switching (MPLS) and Generalized MPLS interoperability trial over Reconfigurable Optical Add/Drop Multiplexer (ROADM) and Optical Cross-Connect (OXC) network. The interoperability trial demonstrated the routing of Label Switched Paths (LSPs) over a multi-area GMPLS controlled ROADM/OXC network and the control of Ethernet over MPLS (EoMPLS) transport service on top of the GMPLS network. The trial was conducted using various network elements provided by 14 institutions and was carried out at Tokyo and Virginia. This article introduces the motivation of the trial, technical issues related to controlling multi-area MPLS/GMPLS networks, test network topology, and experimental results. The results show that the interior gateway routing protocol based multi-area routing architecture is a promising solution for the nationwide deployment of GMPLS networks within a carrier domain. Furthermore, this article discusses the technical issues of routing constraints in ROADM/OXC networks and the limit of multi-area routing without Path Computation Element Protocol (PCEP).

Mr. Miyagi’s letter paper was published in IEICE Trans. on Communications.

Title: “Performance Evaluation of Grid Computing with Parallel Routes Transmission”
Authors: Hiroyuki Miyagi, Yusuke Okazaki, Ryota Usui, Yutaka Arakawa, Satoru Okamoto, and Naoaki Yamanaka
Abstract: In a grid computing environment, the network characteristics such as bandwidth and latency affect the task performance. The demands for bandwidth of wide-area networks become large and it reaches more than 100 Gbps. In this article, we focus on parallel routes transmission, such as link aggregation, to realize large bandwidth network. The performance of grid computing with parallel routes transmission is evaluated on the emulated wide-area network.

Yamanaka Lab. will attend the Kei-han-na Open Lab. Symposium 2008 in Osaka Breeze Plaza on November 27.

This exhibition will be about the activities of NICT, “Lambda Access Project” and “Integrated Active Optical Access Network Project”.
Yamanaka Lab. will also demonstrate “Automatic provisioning of the Inter-carrier Ethernet Virtual Private Line Servises,” which is one of the activities from the Interoperability Woking Group of the Kei-han-na Info-Communication Open Lab., and SCOPE-I program that the Ministry of Inter Affairs and Communications entrusts Keio University, NTT and KDDI Laboratories.

Dr. Okamoto’s letter paper was accepted in IEICE Trans. on Communications.

Title: “Frame Loss Evaluation of Optical Layer 10 Gigabit Ethernet Protection Switching using PLZT Optical Switch System”
Authors: Satoru Okamoto, Sho Shimizu, Yutaka Arakawa, and Naoaki Yamanaka
Abstract: Frame loss of the optical layer protection switching using Plum bum Lanthanum Zirconium Titanium (PLZT) optical switch is evaluated. Experimental results show that typically 62us guard time is required for commercially available non-burst mode 10 Gigabit Ethernet modules.

Prof. Yamanaka received the IEICE Fellow award on Sep. 17, 2009.
IEICE Fellow is the highest status for the members.
His fellow citation is “High-speed switching technologies and photonic network research.”
He has been researching on Giga-bit switching technologies, ATM backbone and photonic network.
His outstanding contribution for chairing photonic network TC is also highlighted.
Congratulations for his fellow award.

The IEEE Student Branch Leadership Training Workshop was held on October 4.

The purpose of this workshop is to enhance student’s leadership through a debate session.
This workshop is held every year, and Keio university participated in this workshop as a host in this year.

The discussion theme of this year is “How to improve our research efficiency.”
All students discussed this theme actively.

The Keihanna Open Lab, a project general manager of which is Dr. Yamanaka, researches the elemental technology of next generation’s optical network in cooperation with a lot of Japanese career venders.
The lab succeeded in the interconnection of the path computation server that calculated the route of an optical network between a lot of careers, and the success was announced as press release.