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ThousandEyes-Juniper pact focuses on hybrid WANs

ThousandEyes and Juniper boost visibility for hybrid WANs; IDC records sharp rise in cloud spending; and a vendor group issues specifications for optical 100 Gbps interoperability.

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Definitions
  • edge device

    An edge device is any piece of hardware that controls data flow at the boundary between two networks.

  • hybrid WAN

    A hybrid WAN is a wide area network that sends traffic over two or more connection types. Hybrid WANs permit dynamic traffic engineering across both private and public domains, using a variety of connectivity options to make the best use of network resources.

  • network automation

    Network automation is a methodology in which software automatically configures, provisions, manages and tests network devices.

Browse Networking Topics

Data Center

Learn about data center networking considerations, including evolving data center network architectures and components, emerging data center network protocols and standards, and converged data center and storage networks.

Recent Definitions

  • application delivery controller (ADC)

    An application delivery controller (ADC) is a network component that manages and optimizes how client machines connect to web and enterprise application servers.

  • Facebook Live

    Facebook Live is a feature for live broadcast of user videos from the Facebook mobile app.

  • top-of-rack switching

    Top-of-rack switching refers to a distributed data center architecture where one or more Ethernet switches is installed in a rack, then uplinked using high-bandwidth fiber optic connections to a central, high-density distribution point.

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Administration

Find general information and resources for network administration, including local area network (LAN) administration and Windows and Linux networking. Learn about the OSI Model and Cisco certifications as well as general career information and case studies. You'll also find our library of networking book chapter excerpts and tutorials on various networking topics.

Recent Definitions

  • Server Message Block Protocol (SMB protocol)

    The Server Message Block Protocol (SMB protocol) is a client-server communication protocol used for sharing access to files, printers, serial ports and other resources on a network.

  • TCP/IP (Transmission Control Protocol/Internet Protocol)

    TCP/IP, or the Transmission Control Protocol/Internet Protocol, is a suite of communication protocols used to interconnect network devices on the internet.

  • network hub

    A network hub is a node that broadcasts data to every computer or Ethernet-based device connected to it.

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Infrastructure

Advancements in enterprise hardware and network protocols are allowing network pros to take advantage of new technologies to design and implement logical and physical LANs that contribute to business success. In our network infrastructure section, find out what you need to know to design your enterprise local area network infrastructure, including 10/100/100 Ethernet and switching technology, green networking initiatives, PoE, VLANs, and information on IP addressing, subnetting, TCP/IP and network routing protocols.

Recent Definitions

  • edge device

    An edge device is any piece of hardware that controls data flow at the boundary between two networks.

  • build your own broadband (BYOB)

    Build your own broadband (BYOB) is a community- or individual-driven initiative to lay foundations for high-speed internet, instead of the work being performed by a traditional internet service provider (ISP) or government.

  • edge router

    An edge router is a specialized router located at a network boundary that enables a campus network to connect to external networks.

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Network Mgmt

Our network management resources provide you with information on end-to-end network performance, network monitoring, configuration management and applications management. You'll find advice on how to select the best network management software and how to integrate management tools with your network environment.

Recent Definitions

  • intent-based networking (IBN)

    Intent-based networking (IBN) is a developing area of technology incorporating machine learning and artificial intelligence (AI) to automate administrative tasks across a network.

  • edge device

    An edge device is any piece of hardware that controls data flow at the boundary between two networks.

  • Wide Area Augmentation System (WAAS)

    Wide Area Augmentation System (WAAS) is a navigation assistance system used to improve the accuracy and precision of global positioning system (GPS).

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Network Security

Here you'll find network security resources for selecting and implementing security devices and maintaining secure networks. Find out how to design a secure network perimeter, where to locate a firewall and whether you need network access control.

Recent Definitions

  • VMware AppDefense

    VMware AppDefense is a data center security service designed to protect virtualized applications running in an enterprise data center in order to improve the protection and threat response performance of an enterprise security operations center (SOC).

  • deep packet inspection (DPI)

    Deep packet inspection (DPI) is an advanced method of examining and managing network traffic.

  • air gapping (air gap attack)

    Air gapping is a security measure that involves isolating a computer or network and preventing it from establishing an external connection.

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Virtualization

Virtualization is becoming less a buzzword and more just the way things are done, so networking professionals must be aware of the challenges (and benefits) virtualization presents for network configuration, performance and management. Get up to speed on the various types of virtualization such as server virtualization and storage virtualization; find out virtualization's effects on network performance. Find out how to transition to a virtualized environment and the best tools for managing network relationships between VMs and between virtual and physical devices in this section.

Recent Definitions

  • Virtual network functions (VNF)

    Virtual network functions (VNFs) are virtualized tasks formerly carried out by proprietary, dedicated hardware.

  • network functions virtualization (NFV)

    Network functions virtualization (NFV) is an initiative to virtualize network services traditionally run on proprietary, dedicated hardware.

  • logical unit number (LUN)

    A logical unit number (LUN) identifies one or more physical or virtual storage devices to a SCSI initiator in a host server to enable data exchange.

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WLANs

Wireless networking technology is ever-increasing in enterprise IT infrastructure. For information on what products you need to set up a wireless local area network (WLAN), navigate this WLAN section to answer your questions on wireless security encryption, equipment implementation, and wireless protocols and standards (like 802.11n). We also cover wireless network management tools that aid you in troubleshooting Wi-Fi problems.

Recent Definitions

  • RFID (radio frequency identification)

    RFID (radio frequency identification) is a form of wireless communication that incorporates the use of electromagnetic or electrostatic coupling in the radio frequency portion of the electromagnetic spectrum to uniquely identify an object, animal or person.

  • spectrum analyzer

    A spectrum analyzer is a device that displays signal amplitude (strength) as it varies by signal frequency.

  • radio frequency (RF, rf)

    Radio frequency is a measurement representing the oscillation rate of electromagnetic radiation spectrum, or electromagnetic radio waves, from frequencies ranging from 300 GHz to as low as 9 kHz.

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SearchCompliance

  • internal audit (IA)

    An internal audit (IA) is an organizational initiative to monitor and analyze its own business operations in order to determine ...

  • pure risk (absolute risk)

    Pure risk, also called absolute risk, is a category of threat that is beyond human control and has only one possible outcome if ...

  • risk assessment

    Risk assessment is the identification of hazards that could negatively impact an organization's ability to conduct business.

SearchSecurity

  • security information and event management (SIEM)

    Security information and event management (SIEM) is an approach to security management that seeks to provide a holistic view of ...

  • polymorphic virus

    A polymorphic virus is a harmful, destructive or intrusive type of malware that can change or 'morph,' making it difficult to ...

  • cyberterrorism

    According to the U.S. Federal Bureau of Investigation, cyberterrorism is any 'premeditated, politically motivated attack against ...

SearchHealthIT

  • accountable care organization (ACO)

    An accountable care organization (ACO) is an association of hospitals, healthcare providers and insurers in which all parties ...

  • patient engagement

    Patient engagement is an ideal healthcare situation in which people are well-informed about -- and motivated to be involved -- in...

  • personal health record (PHR)

    A personal health record (PHR) is a collection of health-related information that is documented and maintained by the individual ...

SearchDisasterRecovery

  • business continuity and disaster recovery (BCDR)

    Business continuity and disaster recovery (BCDR) are closely related practices that describe an organization's preparation for ...

  • business continuity plan (BCP)

    A business continuity plan (BCP) is a document that consists of the critical information an organization needs to continue ...

  • call tree

    A call tree -- sometimes referred to as a phone tree -- is a telecommunications chain for notifying specific individuals of an ...

SearchStorage

SearchSolidStateStorage

  • hybrid hard disk drive (HDD)

    A hybrid hard disk drive is an electromechanical spinning hard disk that contains some amount of NAND Flash memory.

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