| Presentation | 2001/7/11 A Design Method of Logical Topology with Considering Available Wave-bands on Each Fiber Yukinobu Fukushima, Shin'ichi Arakawa, Masayuki Murata, Hideo Miyahara, |
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| PDF Download Page | PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | Among several architectures for IP(Internet Protocol)over WDM networks, one promising way is to overlay a logical topology consisting of lightpaths over the physical WDM network such that each lightpath carries IP traffic between edge nodes. The conventional design methods of the logical topology consider the case that the constant number of wavelengths are available on each fiber. However, a current optical technology provides several wave-bands and the order of thousands wavelengths, by deploying additional optical fiber amplifiers, and hence the number of available wavelengths depends on the number of optical fiber amplifiers deployed on a fiber. In this paper, we propose a new heuristic algorithm to design a logical topology with a least number of optical fiber amplifiers. We then compare our proposal with conventional methods in terms of the average packet delays, throughput, and show that our algorithm reduces the number of optical fiber amplifiers. We also investigate the effect of increasing the number of wavelengths multiplexed on fiber, by assuming the product of the number of available wavelength and the bandwidth of a wavelength to be constant. The results show that the logical topology can accommodate more traffic volume by the large number of wavelengths multiplexed on the fiber, which confirms that the results yield a Cao's Law. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | IP over WDM / Wavelength Division Multiplexing / logical topology / optical fiber amplifier |
| Paper # | NS2001-66,RCS2001-67 |
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| Conference Information | |
| Committee | RCS |
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| Conference Date | 2001/7/11(1days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
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| Paper Information | |
| Registration To | Radio Communication Systems (RCS) |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A Design Method of Logical Topology with Considering Available Wave-bands on Each Fiber |
| Sub Title (in English) | |
| Keyword(1) | IP over WDM |
| Keyword(2) | Wavelength Division Multiplexing |
| Keyword(3) | logical topology |
| Keyword(4) | optical fiber amplifier |
| 1st Author's Name | Yukinobu Fukushima |
| 1st Author's Affiliation | Graduate School of Engineering Science, Osaka University() |
| 2nd Author's Name | Shin'ichi Arakawa |
| 2nd Author's Affiliation | Graduate School of Engineering Science, Osaka University |
| 3rd Author's Name | Masayuki Murata |
| 3rd Author's Affiliation | Graduate School of Engineering Science, Osaka University |
| 4th Author's Name | Hideo Miyahara |
| 4th Author's Affiliation | Graduate School of Engineering Science, Osaka University |
| Date | 2001/7/11 |
| Paper # | NS2001-66,RCS2001-67 |
| Volume (vol) | vol.101 |
| Number (no) | 196 |
| Page | pp.pp.- |
| #Pages | 6 |
| Date of Issue | |