SDN network virtualization Definitions

  • M

    Mininet

    Mininet is a software emulator for prototyping a large network on a single machine. 

  • N

    network functions virtualization (NFV)

    Network functions virtualization (NFV) is an initiative to virtualize network functions previously carried out by dedicated hardware.

  • network hypervisor

    A network hypervisor is a program that provides an abstraction layer for network hardware.  Network hypervisors allow network engineers to create virtual networks that are completely decoupled and independent from the underlying physical network.

  • NFV MANO (network functions virtualization management and orchestration)

    NFV MANO (network functions virtualization management and orchestration), also called MANO, is an architectural framework for managing and orchestrating virtualized network functions (VNFs) and other software components.

  • NFVi (network functions virtualization infrastructure)

    NFVi (network functions virtualization infrastructure) is a pool of virtual and physical resources that enables the deployment of virtual network functions in carrier networks. Service providers use NFVi to create environments that enable NFV.

  • Nicira Network Virtualization Platform (Nicira NVP)

    Nicira NVP is network virtualization software that manages an abstraction layer between end systems and the physical network infrastructure and enables the creation of independently operable virtual networks.

  • NVGRE (Network Virtualization using Generic Routing Encapsulation)

    NVGRE (Network Virtualization using Generic Routing Encapsulation) is a network virtualization method that uses encapsulation to create large numbers of virtual LANs (VLANs) for subnets that can extend across dispersed data centers and Layers 2 and 3.

  • P

    programmable network (PN)

    A programmable network is one in which the behavior of network devices and flow control is handled by software that operates independently from network hardware.

  • V

    virtual network functions

    VNF moves network functions out of dedicated hardware devices and into software.

  • VXLAN gateway (Virtual Extensible VLAN gateway)

    A VXLAN gateway is a solution that allows a virtual extensible LAN (VXLAN) to communicate with another network, particularly a virtual LAN (VLAN).

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