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This paper proposes a novel crankback scheme for routing and wavelength assignment across domains. The scheme leverages existing routing state and provides mechanisms to track signaling setup failures and limit overheads and delays.
This paper studies distributed multi-domain, multi-layer provisioning (grooming) in IP/MPLS-DWDM networks. Although many multi-domain studies have emerged over the years, these have primarily considered "homogeneous" network layers. Meanwhile, most grooming studies have assumed idealized settings with "global" link state across all layers. Hence there is a critical need to develop...
This paper addresses the important area of inter-domain routing and lightpath provisioning in DWDM networks with opto-electronic conversion. Unlike previous work, the more challenging case of full wavelength conversion is considered which requires the handling of converter state. To address this challenge a novel full-mesh abstraction scheme is devised to summarize both wavelength and converter state...
After a presentation of the France Telecom Group's optical deployment project based on available technology, our interest for the Next Generation Passive Optical Network is described. With the need for increased bit rate, splitting ratio, as well as the reach extension, more optical budget will be required. Solutions for optical amplification in the target architectures which can ensure the evolution...
This paper investigates the important area of service provisioning in multi-domain hybrid DWDM/SONET networks. Although inter-domain provisioning has been well-studied for packet/cell-switching networks, the wavelength and timeslot dimensions pose many challenges. To address these concerns, a detailed GMPLS-based hierarchical OSPF-TE routing is proposed to facilitate inter-domain service provisioning...
As DWDM technology proliferates there is a growing need to address distributed inter-domain lightpath provisioning issues. Although inter-domain provisioning has been well-studied for packet/cell- switching networks, the wavelength dimension presents many additional challenges. This paper develops a novel hierarchical GMPLS-based framework for provisioning all-optical and opto-electronic multi-domain...
As DWDM networks proliferate there is a growing need to address the issue of distributed interdomain lightpath provisioning. Although inter-domain provisioning has been well-studied for packet/cellswitching networks, the wavelength dimension presents many additional challenges. This paper develops a novel hierarchical GMPLS-based framework for provisioning all-optical and opto-electronic multi-domain...
As DWDM technology proliferates there is a growing need to address distributed inter-domain lightpath provisioning issues. Although inter-domain provisioning has been well-studied for packet/cell- switching networks, the wavelength dimension presents many additional challenges. This paper develops a novel hierarchical GMPLS-based framework for provisioning all-optical and opto-electronic multi-domain...
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