Abstract

In this paper, we compare two routing scenarios for grooming-capable optical-beared two-layer networks that are capable of meeting the Traffic Engineering (TE) objectives. The first one applies completely dynamic WDM layer that adapts instantly to all traffic changes. The second one is based on fixed WDM topology (“lower layer”). To achieve the best performance, the fixed lightpath system is optimized in advance according to the characteristics of the expected traffic. In both cases, the upper layer is assumed to be dynamic. We perform extensive simulations to compare these two multi-layer Routing and Traffic Engineering approaches that are currently both of particular practical interest with their inherent advantages and drawbacks.


Original document

The different versions of the original document can be found in:

http://dx.doi.org/10.1109/netwks.2008.4763708
http://dx.doi.org/10.1109/netwks.2008.6231338
https://hungary.pure.elsevier.com/hu/publications/traffic-engineering-in-case-of-interconnected-and-integrated-laye,
http://repository.bilkent.edu.tr/handle/11693/26771,
https://academic.microsoft.com/#/detail/2106194167


DOIS: 10.1109/netwks.2008.6231338 10.1109/netwks.2008.4763708

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Published on 01/01/2008

Volume 2008, 2008
DOI: 10.1109/netwks.2008.6231338
Licence: CC BY-NC-SA license

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