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Will edge routers be replaced as SD-WAN growth continues?

SD-WAN growth is affecting the edge router market, according to Gartner forecasts. Network expert Andrew Froehlich discusses whether or not SD-WAN will replace edge routers.

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Definitions
  • 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.

  • overlay network

    An overlay network is a telecommunications network that is built on top of another network and is supported by its infrastructure.

  • vCPE (virtual customer premise equipment)

    Virtual customer premise 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.

Browse SDN Topics

SDN applications

The beauty of SDN lies in the applications it can create. Learn about SDN and OpenFlow applications, including network virtualization, granular network QoS and Layer 4-7 services. Understand SDN APIs and the difference between southbound and northbound applications in SDN. Find out about the differences in service provider and enterprise SDN applications, and where the two will converge.

Recent Definitions

  • 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.

  • vCPE (virtual customer premise equipment)

    Virtual customer premise 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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SDN architecture

In this topic section, learn about the key elements of SDN architecture, including controllers, OpenFlow technology, network virtualization, SDN-friendly hardware, software overlays and emerging network applications with our news, tips, videos and more.

Recent Definitions

  • WAN (wide area network)

    A wide area network (WAN) is a geographically distributed telecommunications network that interconnects multiple local area networks (LANs).

  • 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.

  • overlay network

    An overlay network is a telecommunications network that is built on top of another network and is supported by its infrastructure.

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SDN standards and research

Software-defined networking standards are still emerging. Learn about the evolution of OpenFlow and its role in southbound applications. Keep an eye on the development of SDN research and northbound API standards. Finally, learn about SDN-related protocols, such as VXLAN and NVGRE for overlay networks and network virtualization, as well as the OpenStack Quantum API for SDN in the cloud with the news and expert advice in this topic section.

Recent Definitions

  • OpenConfig

    OpenConfig is a working group and network communication model that attempts to unify standards in networking management interfaces across vendors.

  • network functions virtualization (NFV)

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

  • software-defined networking (SDN)

    Software-defined networking (SDN) is an umbrella term encompassing several kinds of network technology designed to make a network agile and flexible like the virtualized server and storage infrastructure of the modern data center.

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SDN business issues

SDN is exciting, but like with every other technology, IT shops must prove its business case. That means vendors must release an SDN product that shows a return on investment. In this section, learn about the emergence of SDN technology from SDN startups and traditional network vendors alike. Learn where software-defined network venture capitalists are investing and understand the long-term market implications of SDN with the news, tips and expert advice in this topic section.

Recent Definitions

  • vCPE (virtual customer premise equipment)

    Virtual customer premise 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.

  • software-defined networking (SDN)

    Software-defined networking (SDN) is an umbrella term encompassing several kinds of network technology designed to make a network agile and flexible like the virtualized server and storage infrastructure of the modern data center.

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More SDN business issues Topics

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