A Packet-Based Photonic Label Switching Router for a Multirate All-Optical CDMA-Based GMPLS Switch

A novel packet-based photonic label switching router for a multirate all-optical switch using generalized multiprotocol label switching is proposed. The idea is based on using optical code-division multiple access (OCDMA) as multiplexing technique and treating OCDMA codes as labels. The system can coexist with current wavelength division multiplexing systems on the same infrastructure. The concept of switch fabric is introduced. Label processing and label swapping functionalities of the switch are discussed. In-depth analyses are made for spectrally phase-encoded OCDMA (SPE-OCDMA) due to its capabilities of supporting high data rates, large code cardinality, and its secure transmission. Packet loss rate for a multirate SPE-OCDMA system is derived. Some performance metrics are derived for a typical network via simulation, and the results are discussed.

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