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Methods for physical impairment constrained routing with selected protection in all-optical networks
Abstract
In this paper, we investigate the problem of survivable all-optical routing in WDM networks with physical impairments. One of the recent key issues in survivable optical network design refers to maximization of the ratio of routeable demands while keeping the overall network cost low. In WDM networks, this goal can be achieved by routing as many demands in all-optical way as possible. Based on the latest technical trends driven by deployment costs, technical constraints, and backward compatibility, this will not mean that all demands will be routed in all-optical way in the near future. Nowadays, operators are mostly willing to dedicate only a given ratio of their power budget to all-optical routing. This in turn implies a new problem to be solved: operators have to find a way to select demands that should be routed in all-optical way and which should not. The problem gets even more complicated, if we add demand protection issues. In this paper, we introduce and evaluate methods able to maximize the number of demands routed with protection in all-optical way in capacity-constrained networks with limitations on path lengths according to physical impairments.
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Authors (3)
-
Peter Soproni
- Budapest University of Technology and Economics Department of Telecommunications and Media Informatics
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Tibor Cinkler
- Budapest University of Technology and Economics Department of Telecommunications and Media Informatics
Cite as
Full text
- Publication version
- Accepted or Published Version
- DOI:
- Digital Object Identifier (open in new tab) 10.1007/s11235-013-9827-6
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Details
- Category:
- Articles
- Type:
- artykuł w czasopiśmie wyróżnionym w JCR
- Published in:
-
TELECOMMUNICATION SYSTEMS
no. 56,
edition 1,
pages 177 - 188,
ISSN: 1018-4864 - Language:
- English
- Publication year:
- 2014
- Bibliographic description:
- Soproni P., Cinkler T., Rak J.: Methods for physical impairment constrained routing with selected protection in all-optical networks// TELECOMMUNICATION SYSTEMS. -Vol. 56, iss. 1 (2014), s.177-188
- DOI:
- Digital Object Identifier (open in new tab) 10.1007/s11235-013-9827-6
- Verified by:
- Gdańsk University of Technology
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