Service provider networks and SDN Definitions

  • N

    network-as-a-service (NaaS)

    Network-as-a-Service (NaaS) is a business model for delivering network services over the Internet on a pay-per-use or subscription basis.

  • 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.

  • O

    ONOS (Open Network Operating System)

    ONOS (Open Network Operating System) is an operating system (OS) designed for network service providers to help build carrier-grade software-defined networks architected for high scalability, availability and performance

  • V

    vCPE (virtual customer premises equipment)

    Virtual customer premises equipment (also referred to as vCPE or cloud CPE) are enterprise network services delivered through software. While providers must manually deploy traditional, physical CPE devices onsite, they can provision and manage vCPE remotely.

  • vEPC (virtual Evolved Packet Core)

    The vEPC offers a framework to support converged voice and data on 4G Long-Term Evolution networks. vEPC is the abstraction of Evolved Packet Core components into software that runs on generic servers, potentially cutting costs and improving service delivery.

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