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A consensus is emerging in industry on utilizing an IP Centric control plane within optical networks to support dynamic provisioning and restoration of lightpaths. At the same time, there are divergent views of how IP routers interact with optical core networks to achieve end to end connectivity. This paper describes the strategies of optical communication’s future development towards next generation IP over Optical Networks. The desirable extent of network transparency in advanced all optical network architecture is studied. Architectural alternatives for interconnecting IP routers over optical networks, and the concerned routing and signaling issues are described.
A consensus is emerging in industry on utilization an IP Centric control plane within optical networks to support dynamic provisioning and restoration of lightpaths. There are divergent views of how IP routers interact with optical core networks to achieve end to end connectivity. This paper describes the strategies of optical communication’s future development towards next generation IP over Optical Networks. The desirable extent of network transparency in advanced all optical network architecture is studied. Architectural alternatives for interconnecting IP routers over optical networks, and the concerned routing and signaling issues are described.