CORONET: Testbeds, demonstration, and lessons learned [invited]


The DARPA Core Optical Networks (CORONET) program envisions a highly dynamic network setting requiring quick provisioning and restoration for a large choice of bandwidth-on-demand services in IP-over-optical networks. This paper builds on previously reported work on the development of quick provisioning and restoration protocols to fulfill CORONET needs. 2 separate CORONET testbed implementations are described: an emulation testbed and a cloud application testbed. The emulation testbed may be a software implementation of a 100-node, international scale control plane network designed to research and validate the performance of CORONET provisioning and restoration protocols for the transport layer. The cloud application testbed is implemented on a four-node network in AT&T's Software Outlined Network (SDN) Wide Area Network (SWAN) testbed and is intended to indicate the utility of CORONET quick provisioning for cloud computing applications. In specific, we demonstrate dynamic provisioning of inter-datacenter capacity for virtual machine load balancing underneath the control of an SDN orchestrator. "Lessons learned" and any challenges are summarized.

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