COSIGN DCN Network Control Plane architecture Sample Clauses

COSIGN DCN Network Control Plane architecture. In particular, the following changes have been introduced: • Splitting between an Infrastructure Controller, based on OpenDaylight, and an Overlay Controller, based on OVN. The Infrastructure Controller is in charge of the configuration and monitoring of the DCN devices and implements the logic for the provisioning and management of the underlying intra-DC connectivity to optimize the allocation of the physical resources. The Overlay Controller, on the other hand, is responsible for the provisioning of overlay virtual networks by configuring the OpenvSwitch entities at the network edges. The two controllers cooperate through a dedicated SDN application which maps the DSCP tagged flows on the dynamic optical circuits established on the underlying network. This approach allows efficient coordination of the overlay virtualization with the operation and management of the underlying optical DCN. Further details about this procedure and the associated workflow are provided in section 3.2. • At the software architecture level, the consortium has decided to adopt the latest OpenDaylight release (i.e., Lithium instead of Helium) as starting point for the development of the Infrastructure Controller. The main benefits are related to a more extensive usage of the MD-XXX approach across the variety of OpenDaylight plugins and the availability of more stable additional plugins which can be used as baseline for specific COSIGN components (e.g., the Topology Processing Framework). • The software design of some COSIGN components has been updated, in particular: o The overlay based network virtualization, previously designed as extension of the OpenDOVE application is now based on OVN and is implemented in the Overlay Controller, as described above. o The planning and provisioning of virtual network slices in support of the Virtual Data Centre use case, previously designed as OpenVirtex extension is now based on the OpenDaylight Virtual Tenant Network (VTN) application, properly extended to support the virtualization of optical network elements. This approach allows a more efficient integration with the other COSIGN components.
Sample 1
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Related to COSIGN DCN Network Control Plane architecture

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