Toward future IP optical backbone networks

Shigeo Urushidani

doi:10.1117/12.637165

5 December 2005 Toward future IP optical backbone networks

Shigeo Urushidani

Proceedings Volume 6022, Network Architectures, Management, and Applications III; 60222I (2005) https://doi.org/10.1117/12.637165
Event: Asia-Pacific Optical Communications, 2005, Shanghai, China

Abstract

The rapid and aggressive penetration of broadband access services such as fiber to the home (FTTH) has been accelerating the increase in IP traffic volume and new networking technologies are required in order to accommodate future traffic in a cost-effective manner. This paper overviews the advanced IP optical network architecture and technologies for very-large-scale IP backbone networks. These technologies are the key to accommodate the huge volumes of IP traffic expected and control network resources in an effective and dynamic manner. We describe advanced IP optical networking technologies which accommodate multiple service networks using multi-instance technologies, and enable multi-layer traffic engineering using virtual network topology technologies. The migration scenario is described from the existing networks to GMPLS networks; reference is made to the advanced Path Computation Element (PCE) which enables multi-layer traffic engineering and MPLS/GMPLS migration. New network concepts such as Layer 1 Virtual Private Network (L1VPN) and GMPLS interoperability issues, which are being discussed in IETF, are also described.

Citation Download Citation

Shigeo Urushidani "Toward future IP optical backbone networks", Proc. SPIE 6022, Network Architectures, Management, and Applications III, 60222I (5 December 2005); https://doi.org/10.1117/12.637165

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