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Implementing High-Speed Optical Burst Switching with Virtex-II Pro FPGAs

Imagine a telecom network where an optical network can be set up and torn down in an instant without any human intervention. An optical burst switching (OBS) protocol at work at the Microsystems Computer North Carolina Research Development Institute (MCNC-RDI) in Research Triangle Park, North Carolina, does just that. OBS combines the best features of optical circuit switching and optical packet switching. An OBS network can switch variable-sized data bursts instead of individual data packets. In an OBS network, transmission of data bursts can begin even before those bursts are completely formed. These features of the OBS networks are similar to an optical circuit-switched network. Like an optical packet-switching network, an OBS network can dynamically control system resources, assigning wavelengths of optical fiber to individual data bursts only when that user needs to transmit data. Unlike some optical packetswitched networks, an OBS network does not require optical buffers. Implementing High-Speed Optical Burst Switching with Virtex-II Pro FPGAs