Capacity performance of dynamic provisioning in optical networks
This paper describes an architecture and analyzes the performance of dynamic provisioning of lightpaths in an optical network. In dynamic provisioning, a lightpath is set up in real-time without rearranging the working and protection routes of existing lightpaths, and without the knowledge of future...
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| Veröffentlicht in: | Journal of lightwave technology 2001-01, Vol.19 (1), p.40-48 |
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| container_title | Journal of lightwave technology |
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| creator | Ramamurthy, R. Bogdanowicz, Z. Samieian, S. Saha, D. Rajagopalan, B. Sengupta, S. Chaudhuri, S. Bala, K. |
| description | This paper describes an architecture and analyzes the performance of dynamic provisioning of lightpaths in an optical network. In dynamic provisioning, a lightpath is set up in real-time without rearranging the working and protection routes of existing lightpaths, and without the knowledge of future lightpath provisioning events. This paper develops a general model of the physical topology of the optical network, and outlines routing approaches for dynamic provisioning of lightpaths. It analyzes via simulations the performance of dynamically provisioned unprotected, 1+1 protected and mesh-restored lightpaths. The analysis of the efficiency of network utilization of dynamic provisioning focuses on the spare capacity needed for protection, and in particular focuses on the impact of sharing of wavelength channels for mesh-restored lightpaths. The main conclusion from the performance studies is that significant capacity gains are achieved with sharing of wavelength-channels for mesh-restored lightpaths with dynamic provisioning even for sparse topologies, and even at moderate loads. |
| doi_str_mv | 10.1109/50.914483 |
| format | Article |
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In dynamic provisioning, a lightpath is set up in real-time without rearranging the working and protection routes of existing lightpaths, and without the knowledge of future lightpath provisioning events. This paper develops a general model of the physical topology of the optical network, and outlines routing approaches for dynamic provisioning of lightpaths. It analyzes via simulations the performance of dynamically provisioned unprotected, 1+1 protected and mesh-restored lightpaths. The analysis of the efficiency of network utilization of dynamic provisioning focuses on the spare capacity needed for protection, and in particular focuses on the impact of sharing of wavelength channels for mesh-restored lightpaths. The main conclusion from the performance studies is that significant capacity gains are achieved with sharing of wavelength-channels for mesh-restored lightpaths with dynamic provisioning even for sparse topologies, and even at moderate loads.</description><identifier>ISSN: 0733-8724</identifier><identifier>EISSN: 1558-2213</identifier><identifier>DOI: 10.1109/50.914483</identifier><identifier>CODEN: JLTEDG</identifier><language>eng</language><publisher>New York, NY: IEEE</publisher><subject>Applied sciences ; Computer networks ; Dynamic tests ; Dynamics ; Exact sciences and technology ; Intelligent networks ; Mathematical models ; Network topology ; Optical communication ; Optical fiber communication ; Optical fiber networks ; Optical interconnections ; Optical switches ; Optical wavelength conversion ; Performance analysis ; Protection ; Provisioning ; Routing (telecommunications) ; Systems, networks and services of telecommunications ; Telecommunications ; Telecommunications and information theory ; Topology ; Transmission and modulation (techniques and equipments) ; Wavelength division multiplexing</subject><ispartof>Journal of lightwave technology, 2001-01, Vol.19 (1), p.40-48</ispartof><rights>2001 INIST-CNRS</rights><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. 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In dynamic provisioning, a lightpath is set up in real-time without rearranging the working and protection routes of existing lightpaths, and without the knowledge of future lightpath provisioning events. This paper develops a general model of the physical topology of the optical network, and outlines routing approaches for dynamic provisioning of lightpaths. It analyzes via simulations the performance of dynamically provisioned unprotected, 1+1 protected and mesh-restored lightpaths. The analysis of the efficiency of network utilization of dynamic provisioning focuses on the spare capacity needed for protection, and in particular focuses on the impact of sharing of wavelength channels for mesh-restored lightpaths. The main conclusion from the performance studies is that significant capacity gains are achieved with sharing of wavelength-channels for mesh-restored lightpaths with dynamic provisioning even for sparse topologies, and even at moderate loads.</abstract><cop>New York, NY</cop><pub>IEEE</pub><doi>10.1109/50.914483</doi><tpages>9</tpages></addata></record> |
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| subjects | Applied sciences Computer networks Dynamic tests Dynamics Exact sciences and technology Intelligent networks Mathematical models Network topology Optical communication Optical fiber communication Optical fiber networks Optical interconnections Optical switches Optical wavelength conversion Performance analysis Protection Provisioning Routing (telecommunications) Systems, networks and services of telecommunications Telecommunications Telecommunications and information theory Topology Transmission and modulation (techniques and equipments) Wavelength division multiplexing |
| title | Capacity performance of dynamic provisioning in optical networks |
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