Evaluation of a proposed soft-state, control-driven label mapping policy in a label switching network

Daniela Vieira Cunha; Paulo Roberto Guardieiro

doi:10.1117/12.434342

27 July 2001 Evaluation of a proposed soft-state, control-driven label mapping policy in a label switching network

Daniela Vieira Cunha, Paulo Roberto Guardieiro

Proceedings Volume 4524, Quality of Service over Next-Generation Data Networks; (2001) https://doi.org/10.1117/12.434342
Event: ITCom 2001: International Symposium on the Convergence of IT and Communications, 2001, Denver, CO, United States

Abstract

The Label Switching technology was developed in order to provide a high speed and large packet processing capabilities in Internet networks using a cut-through technique. Research effort has concentrated on the issue of number of labels used and its minimization. There are mainly two label mapping policies. One is the data-driven label mapping policy and the other is the control-driven label mapping policy. In this paper, a comparison between both conventional label mapping policies is shown. It is also evaluated the required number of labels under each of these two label mapping policies and the cut-through ratio of each one. The evaluation shows that the data-driven and the control-driven label mapping policies require a large number of labels. In order to reduce the number of labels required and increase the cut-through ratio, it is proposed a label mapping policy that is a combination of the two label mappings above. This is a control-driven label mapping that has the soft-state characteristic of the data-driven one. The evaluation shows that the proposed label mapping policy requires less labels than the others conventional label mapping policies and increases the cut-through ratio to the maximum allowed while offering the advantages of being a control-driven label mapping.

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Daniela Vieira Cunha and Paulo Roberto Guardieiro "Evaluation of a proposed soft-state, control-driven label mapping policy in a label switching network", Proc. SPIE 4524, Quality of Service over Next-Generation Data Networks, (27 July 2001); https://doi.org/10.1117/12.434342

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KEYWORDS

Switching

Associative arrays

Internet

Computer simulations

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Line edge roughness

Electrical engineering

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