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Differentiated Lambda Establishment and Wavelength Assignment based on DMS model for QoS guarantees in DWDM Next Generation Internet Backbone Networks  

Kim, Sung-Un (Dept.of Electronics Computer Information Communication Engineering, Pukyong National University)
Lee, Jun-Won (Dept.of Information Communication Engineering, Andong National University)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.28, no.9B, 2003 , pp. 760-773 More about this Journal
Abstract
The Internet is evolving from best-effort service toward an integrated or differentiated service framework with quality-of-service (QoS) assurances that are required for new multimedia service applications. Given this increasing demand for high bandwidth Internet with QoS assurances in the coming years, an IP/MPLS-based control plane combined. with a wavelength-routed dense-wavelength division multiplexing (DWDM) optical network is seen as a very promising approach for the realization of future re-configurable transport networks. This paper proposes a differentiated lambda establishment process for QoS guarantees based on the differentiated MPLS service (DMS) model. According to the QoS characteristics of wavelength in optical links and the type of used Optical Cross-Connect (OXC) nodes in DWDM next generation optical Internet backbone network, a differentiated wavelength assignment strategy that considers QoS recovery capability is also suggested.
Keywords
Wavelength Assignment; Network survivability; QoS Recovery; DWDM;
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