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Cloud E2E

VMware NSX-T Overview – Network Snapshots?

In much the same way that server virtualization pro-grammatically creates, snapshots, deletes and restores software-based virtual machines (VMs), NSX-T network virtualization pro-grammatically creates, snapshots, deletes, and restores software-based virtual networks. With network virtualization, the functional equivalent of a network hypervisor reproduces the complete set of Layer 2 through Layer 7 networking services (for example, switching, routing, access control, fire-walling, QoS) in software. As a result, these services can be pro-grammatically assembled in any arbitrary combination, to produce unique, isolated virtual networks in a matter of seconds.

 

NSX-T works by implementing three separate but integrated planes: management, control, and data. The three planes are implemented as a set of processes, modules, and agents residing on three types of nodes: manager, controller, and transport nodes.

  • Every node hosts a management plane agent.
  • The NSX Manager node hosts API services. Each NSX-T installation supports a single NSX Manager node and does not support an NSX Manager cluster.
  • NSX Controller nodes host the central control plane cluster daemons.
  • NSX Manager and NSX Controller nodes may be co-hosted on the same physical server.
  • Transport nodes host local control plane daemons and forwarding engines.

 

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