2012 14th International Conference on Transparent Optical Networks (ICTON) 2012
DOI: 10.1109/icton.2012.6254417
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From GMPLS to PCE/GMPLS to OpenFlow: How much benefit can we get from the technical evolution of control plane in optical networks?

Abstract: Control plane techniques are very important for optical networks since they can enable dynamic lightpath provisioning and restoration, improve the network intelligence, and greatly reduce the processing latency and operational expenditure. In recent years, there have been great progresses in this area, ranged from the traditional generalized multi-protocol label switching (GMPLS) to a path computation element (PCE)/GMPLS-based architecture. The latest studies have focused on an OpenFlow-based control plane for… Show more

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Cited by 10 publications
(11 citation statements)
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“…Hence, the model is extended in [6] with a topology server that provides to the PCE the upto-date topology, including the idle wavelengths information. In another approach for dynamically provisioning lightpaths, the authors introduce the virtual OpenFlow switch (VOFS) with virtual Ethernet interfaces that correspond to the physical optical cross-connect (OXC) interfaces [7]. These OpenFlow enabled OXCs are controlled by the external controller and communicate through the OpenFlow protocol.…”
Section: A Sdn/openflow For Packet-circuit Switchingmentioning
confidence: 99%
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“…Hence, the model is extended in [6] with a topology server that provides to the PCE the upto-date topology, including the idle wavelengths information. In another approach for dynamically provisioning lightpaths, the authors introduce the virtual OpenFlow switch (VOFS) with virtual Ethernet interfaces that correspond to the physical optical cross-connect (OXC) interfaces [7]. These OpenFlow enabled OXCs are controlled by the external controller and communicate through the OpenFlow protocol.…”
Section: A Sdn/openflow For Packet-circuit Switchingmentioning
confidence: 99%
“…(6), to the already created optical circuit-flow CFlow of the provisioned lightpath. This approach of mapping packet to circuit flows has been deployed [2,4,7] and can be used for the GST traffic.…”
Section: ) Sm Flowsmentioning
confidence: 99%
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