SDN Definitions

This glossary explains the meaning of key words and phrases that information technology (IT) and business professionals use when discussing SDN and related software products. You can find additional definitions by visiting WhatIs.com or using the search box below.

  • E

    Embrane

    Embrane is a company that makes software products for the delivery of SDN (sofware-defined networking) services, including load balancers, firewalls and VPNs.

  • F

    Floodlight

    Floodlight is a Java-based OpenFlow controller.

  • FlowVisor

    FlowVisor is an experimental software-defined networking controller that enables network virtualization by slicing a physical network into multiple logical networks.

  • 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. 

  • MPLS-TP (MPLS Transport Profile)

    The Multiprotocol Label Switching Transport Profile (MPLS-TP) is a protocol extension of MPLS designed to speed up and shape network traffic in operator transport networks.

  • 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 engineer

    A network engineer is a technology professional who has the necessary skills to plan, implement and support the computer networks that support in-house voice, data, video and wireless network services.   

  • 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 services traditionally run on proprietary, 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 intelligence (NI)

    Network Intelligence (NI) is the capacity of a network to examine data packets continuously and in real time.

  • 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.

  • Nexus 1000V (Cisco Nexus 1000V)

    The Cisco Nexus 1000V is a Cisco Nexus Operating System (NX-OS) switch rendered fully in software for multi-tenant services composed of both physical and virtual networking resources.

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