Centralized management is mentioned in the paper. I am not clear about how to do that. Which CLI(command line interface) can do that ?
Would you show me an example? Thanks! Extending Networking into the Virtualization Layer<http://openvswitch.org/papers/hotnets2009.pdf> > *Centralized management.* The interfaces for configuration management and asynchronous notification can be used to create a single logical switch image across multiple Open vSwitches running on separate physical servers (similar to [7, 20]). In essence, a global management process synthesizes a logical view of the switches and their configuration declarations and lets admins operate on that view instead of individual switches. Therefore, as VMs join, leave, and migrate, it is the responsibility of this management process to ensure any configuration state remains coupled to the logical entities for which it was declared. We have used this interface to build a full CLI for configuring the network as a whole. The CLI presents the abstraction of a virtual port to which network configuration state can be applied (e.g., VLANs, RSPAN, QoS policies, or ACLs). Each virtual port then corresponds to a unique VM and follows the VM throughout the network. As a result, it is possible to query and configure a collection of virtual switches as if they were a single switch.
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