SDN architecture Definitions

  • C

    campus network

    A campus network is a proprietary local area network (LAN) or set of interconnected LANs serving a corporation, government agency, university, or similar organization.

  • control plane (CP)

    The control plane is the part of a network that carries signaling traffic and is responsible for routing.

  • D

    data plane (DP)

    The data plane (sometimes known as the user plane, forwarding plane, carrier plane or bearer plane) is the part of a network that carries user traffic.

  • Distributed Control Plane Architecture (DCPA)

    A Distributed Control Plane Architecture (DCPA) is a network architecture that makes it possible to allocate control protocol functions across multiple processor levels in the network system.

  • E

    east-west traffic

    East-west traffic, in a networking context, is the transfer of data packets from server to server within a data center. The label east-west comes from network diagram drawings that usually depict local area network (LAN) traffic horizontally.

  • H

    hybrid SDN

    A hybrid SDN (software-defined network) is a network where both traditional networking and SDN protocols operate in the same environment.

  • M

    Mininet

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

  • N

    NETCONF

    NETCONF is an IETF network management protocol that provides an administrator or network engineer with a secure way to configure a firewall, router, switch or other network device.

  • NetScaler (SDX)

    Citrix NetScaler SDX is a service delivery networking platform for enterprise and cloud datacenters. NetScaler SDX supports multiple NetScaler instances on a single hardware appliance.

  • network fabric

    Network fabric is an industry term that describes a network topology in which devices pass data to each other through interconnecting switches.

  • 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.

  • 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.

  • 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.

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