A dynamic hop count shifting RWA algorithm for wavelength routed optical networks
- Authors
- Park, Min Ho; Choi, Jin Seek; Mo, Jeonghoon
- Issue Date
- Aug-2008
- Publisher
- SPRINGER
- Keywords
- routing and wavelength assignment; optical network; shortest path routing; adaptive path routing
- Citation
- PHOTONIC NETWORK COMMUNICATIONS, v.16, no.1, pp.1 - 9
- Indexed
- SCIE
SCOPUS
- Journal Title
- PHOTONIC NETWORK COMMUNICATIONS
- Volume
- 16
- Number
- 1
- Start Page
- 1
- End Page
- 9
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/178070
- DOI
- 10.1007/s11107-008-0112-7
- ISSN
- 1387-974X
- Abstract
- In this article, we find that the limiting hop count in a lightpath impacts on the performance of optical networks. Based on this observation, we propose a dynamic hop count shifting (DYHOS) algorithm that limits the hop count of lightpaths dynamically, depending on the traffic load. The proposed algorithm searches an available route, while minimizing the waste of network resources and limiting excessive traffic on the network. Hence, the proposed algorithm increases the network throughput and reduces the blocking probability. Comparing with shortest path routing and adaptive path routing algorithms, we show the performance of the proposed algorithm has the lowest blocking probability influenced by the hop count of lightpaths for a given routing algorithm.
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