Protection of Dynamic and Flexible Bandwidth on Demand in Metro Agile All-Optical Ring Networks
In agile all-optical networks, time division multiplexing in the optical domain is applied on wavelength channels to further divide each wavelength channel into subchannels in order to enable bandwidth virtualization. By introducing intelligent control, agile all-optical networks can serve dynamic a...
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| Veröffentlicht in: | Journal of optical communications and networking 2009-07, Vol.1 (2), p.A160-A169 |
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| container_end_page | A169 |
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| container_issue | 2 |
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| container_title | Journal of optical communications and networking |
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| creator | Wei Yang Paredes, S.A. Schriemer, H. Hall, T.J. |
| description | In agile all-optical networks, time division multiplexing in the optical domain is applied on wavelength channels to further divide each wavelength channel into subchannels in order to enable bandwidth virtualization. By introducing intelligent control, agile all-optical networks can serve dynamic and flexible bandwidth on demand. Metro networks with a ring topology are considered, and the protection of critical demands in agile all-optical networks is investigated. A protection scheme for single-duct ring networks is proposed followed by a rearrangeable bandwidth allocation scheme to decrease blocking in critical connection setup. Inefficient network resource utilization and signal degradation are two issues in survivable single-duct ring networks. Therefore, a survivable dual-duct ring infrastructure is presented as a solution for the survivability of this type of network in order to improve the efficiency of network resource utilization and signal quality. |
| doi_str_mv | 10.1364/JOCN.1.00A160 |
| format | Article |
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| ispartof | Journal of optical communications and networking, 2009-07, Vol.1 (2), p.A160-A169 |
| issn | 1943-0620 1943-0639 |
| language | eng |
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| source | IEEE Electronic Library (IEL) |
| subjects | All-optical networks Assignment and routing algorithms Bandwidth Channel allocation Channels Degradation Demand Intelligent control Marketing Metropolitan area networks Metros Network survivability Network topology Networks Optical communication Optical fiber networks Protection Resource management Time division multiplexing Wavelengths |
| title | Protection of Dynamic and Flexible Bandwidth on Demand in Metro Agile All-Optical Ring Networks |
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