QoS performance of optical burst switching in IP-over-WDM networks
We address the issue of how to provide basic quality of service (QoS) in optical burst-switched WDM networks with limited fiber delay lines (FDLs). Unlike existing buffer-based QoS schemes, the novel offset-time-based QoS scheme we study in this paper does not mandate any buffer for traffic isolatio...
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| Veröffentlicht in: | IEEE journal on selected areas in communications 2000-10, Vol.18 (10), p.2062-2071 |
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| container_title | IEEE journal on selected areas in communications |
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| creator | Yoo, Myungsik Qiao, Chunming Dixit, Sudhir |
| description | We address the issue of how to provide basic quality of service (QoS) in optical burst-switched WDM networks with limited fiber delay lines (FDLs). Unlike existing buffer-based QoS schemes, the novel offset-time-based QoS scheme we study in this paper does not mandate any buffer for traffic isolation, but nevertheless can take advantage of FDLs to improve the QoS. This makes the proposed QoS scheme suitable for the next generation optical Internet. The offset times required for class isolation when making wavelength and FDL reservations are quantified, and the upper and lower bounds on the burst loss probability are analyzed. Simulations are also conducted to evaluate the QoS performance in terms of burst loss probability and queuing delay. We show that with limited FDLs, the offset-time-based QoS scheme can be very efficient in supporting basic QoS. |
| doi_str_mv | 10.1109/49.887925 |
| format | Article |
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Unlike existing buffer-based QoS schemes, the novel offset-time-based QoS scheme we study in this paper does not mandate any buffer for traffic isolation, but nevertheless can take advantage of FDLs to improve the QoS. This makes the proposed QoS scheme suitable for the next generation optical Internet. The offset times required for class isolation when making wavelength and FDL reservations are quantified, and the upper and lower bounds on the burst loss probability are analyzed. Simulations are also conducted to evaluate the QoS performance in terms of burst loss probability and queuing delay. We show that with limited FDLs, the offset-time-based QoS scheme can be very efficient in supporting basic QoS.</description><identifier>ISSN: 0733-8716</identifier><identifier>EISSN: 1558-0008</identifier><identifier>DOI: 10.1109/49.887925</identifier><identifier>CODEN: ISACEM</identifier><language>eng</language><publisher>New York: IEEE</publisher><subject>Buffers ; Bursting ; Delay ; Delay lines ; Internet ; Networks ; Optical buffering ; Optical burst switching ; Optical fiber networks ; Optical losses ; Quality of service ; Switching theory ; Telecommunication traffic ; Traffic control ; Traffic flow ; Wavelength division multiplexing ; WDM networks</subject><ispartof>IEEE journal on selected areas in communications, 2000-10, Vol.18 (10), p.2062-2071</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. 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We show that with limited FDLs, the offset-time-based QoS scheme can be very efficient in supporting basic QoS.</description><subject>Buffers</subject><subject>Bursting</subject><subject>Delay</subject><subject>Delay lines</subject><subject>Internet</subject><subject>Networks</subject><subject>Optical buffering</subject><subject>Optical burst switching</subject><subject>Optical fiber networks</subject><subject>Optical losses</subject><subject>Quality of service</subject><subject>Switching theory</subject><subject>Telecommunication traffic</subject><subject>Traffic control</subject><subject>Traffic flow</subject><subject>Wavelength division multiplexing</subject><subject>WDM networks</subject><issn>0733-8716</issn><issn>1558-0008</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2000</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNp90DtPwzAUBWALgUQpDKxMFgOIIcWPOLZHKK9KRYCoxGjFjg0paRzshIp_T1AqBgamM5xPV7oHgEOMJhgjeZ7KiRBcErYFRpgxkSCExDYYIU5pIjjOdsFejEuEcJoKMgKXT_4ZNjY4H1Z5bSz0DvqmLU1eQd2F2MK4LlvzVtavsKzh7DHxnzYkL1f3sLbt2of3uA92XF5Fe7DJMVjcXC-md8n84XY2vZgnJkWkTbgh0nJpRGEypB3Os7yQBUcF08hqozUxTBIsNRLMuYIzyoh2qKAuE9ZJOganw9km-I_OxlatymhsVeW19V1UEqcZ5VziXp78K4lgFPNej8HxH7j0Xaj7J5QQDFHCMe_R2YBM8DEG61QTylUevhRG6mdzlUo1bN7bo8GW1tpftym_AUSdexg</recordid><startdate>20001001</startdate><enddate>20001001</enddate><creator>Yoo, Myungsik</creator><creator>Qiao, Chunming</creator><creator>Dixit, Sudhir</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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| identifier | ISSN: 0733-8716 |
| ispartof | IEEE journal on selected areas in communications, 2000-10, Vol.18 (10), p.2062-2071 |
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| language | eng |
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| source | IEEE Electronic Library (IEL) |
| subjects | Buffers Bursting Delay Delay lines Internet Networks Optical buffering Optical burst switching Optical fiber networks Optical losses Quality of service Switching theory Telecommunication traffic Traffic control Traffic flow Wavelength division multiplexing WDM networks |
| title | QoS performance of optical burst switching in IP-over-WDM networks |
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