Service Virtualization for Border Model Based Multi-Layer Service Network Architecture(<Special Section>New Technologies and their Applications of the Internet IV)
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概要
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The rapidly increasing bandwidth requirements of IP traffic mean that networks based on optical technologies in conjunction with IP routing technologies will provide the backbone of the next generation Internet. One of the major issues is how to construct an optical-technology-based backbone network that offers the economical transport of large-scale IP/MPLS services while achieving reliable, robust network. The key to achieving this objective lies in multilayer coordination technologies using Multi-Layer Service Network [MLSN] Architecture, that we previously proposed. One of the important aspects of MLSN architecture is ability to effectively use GMPLS network resources by IP/MPLS service networks. We propose extensions to previously proposed MLSN architecture. The proposed extensions to MLSN architecture are tailored to address "service virtualization and separation" of various service networks over GMPLS backbone. As a part of this extended MLSN architecture, we introduce novel concepts known as Logical Router (LR) and Virtual Router (VR) that would enable border router to be services domain router, so that it can connect multiple service networks such as L2VPN, L3VPN etc., over GMPLS backbone by offering service separation or virtualization. This service separation/isolation greatly enhances the reliability of next generation networks, as any failure on one service should be isolated from others. We evaluate our extended network architecture against requirements for the large scale network targeting at introducing such new technology to cope with vast traffic explosion and challenges in operation and service provision sophistication.
- 2006-12-01
著者
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Inoue Ichiro
Ntt Network Service Systems Laboratories Ntt Corporation
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Shiomoto Kohei
Ntt Network Service Systems Labs
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Shiomoto K
Ntt Corp. Musashino‐shi Jpn
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Shiomoto Kohei
Ntt Network Service Systems Laboratories Ntt Corporation
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Shiomoto Kohei
Ntt Network Innovation Laboratories Ntt Corporation
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URUSHIDANI Shigeo
National Institute of Informatics
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ALI Zafar
Cisco Systems Inc.
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Asano Shoichiro
National Institute Of Informatics
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Asano Shoichiro
National Center For Science Information Systems
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Shiomoto Kohei
Network Service Systems Laboratories Ntt Corporation
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Tatipamula Mallik
Juniper Networks Usa
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Tatipamula Mallik
Cisco Systems
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Kojima Hisashi
Ntt Network Services Labs. Ntt Corporation
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Asano Shoichiro
Nii Tokyo Jpn
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Inoue Ichiro
Ntt Network Service System Laboratories
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