![]() An organization virtual data center (OvDC) provides resources to an NFVI tenant and is partitioned from a provider virtual data center. ![]() This construct is the highest in the vCloud Director resource catalog hierarchy. A provider virtual data center (PvDC) combines the compute and memory resources of a single vCenter Server resource pool with the storage resources of one or more datastores available to that resource pool. ![]() The pooled resources used by vCloud Director are grouped into two abstraction layers: VNF workload resource consumption is therefore segmented from other VNF workloads, even though the VNFs may share the same resources. vCloud Director isolates administrative boundaries into NFVI tenants. A tenant is a logically isolated construct representing a customer, department, network function, or service, used to deploy VNF workloads. vCloud Director builds secure, multitenant virtual environments by pooling virtual infrastructure resources into virtual data centers and exposing them to users through Web based portals and programmatic interfaces as fully automated, catalog based services.Ī fundamental concept in vCloud Director is that of the tenant. VCloud Director is an abstraction layer that operates on top of the other virtualized infrastructure manager components, vCenter Server and NSX Manager. vCloud Director, vCenter Server Appliance, and the NSX Manager are layered in a hierarchical fashion to facilitate the separation of roles and responsibilities in the CSP networks and to increase overall system resiliency. It leverages the vCenter Server Appliance and the NSX Manager to perform VIM functionality. vCloud Director is the top level VIM component. Three components form the VIM functionality in vCloud NFV: the vCenter Server Appliance, the NSX Manager, and the vCloud Director for Service Providers. ![]()
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