The Cisco Nexus ® 1000V is a software switch implementation that provides an extensible architectural platform for virtual machines and cloud networking.
What Cisco Nexus 1000V Does
Policy-Based Virtual Machine Connectivity
Provides real-time coordinated configuration of network and security services and maintains a virtual machine–centric management model.
Mobile Virtual Machine Security and Network Policy
Allows defined security and network policies to move with a virtual machine when it's migrated, which ensures persistent network, security and storage compliance.
Nondisruptive Operational Model
Enforces consistent configuration and policies throughout the server virtualization environment.