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INFOCOM
2006
IEEE

Integrated Intermediate Waveband and Wavelength Switching for Optical WDM Mesh Networks

8 years 11 months ago
Integrated Intermediate Waveband and Wavelength Switching for Optical WDM Mesh Networks
— As wavelength-division multiplexing (WDM) evolves towards practical applications in optical transport networks, waveband switching (WBS) has been introduced to cut down the operational costs and to reduce the complexities and sizes of network components, e.g., optical cross-connects (OXCs). This paper considers the routing, wavelength assignment and waveband assignment (RWWBA) problem in a WDM network supporting mixed waveband and wavelength switching. First, the techniques supporting waveband switching are studied, where a node architecture enabling mixed waveband and wavelength switching is proposed. Second, to solve the RWWBA problem with reduced switching costs and improved network throughput, the cost savings and call blocking probabilities along intermediate waveband-routes are analyzed. Our analysis reveals some important insights about the cost savings and call blocking probability in relation to the fiber capacity, the candidate path, and the traffic load. Third, based o...
Mengke Li, Byrav Ramamurthy
Added 11 Jun 2010
Updated 11 Jun 2010
Type Conference
Year 2006
Where INFOCOM
Authors Mengke Li, Byrav Ramamurthy
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