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IT professionals in almost every industry rely on SearchEnterpriseWAN.com for industry news, technical tips and valuable best practices on designing a Wide Area Network, optimizing application performance across the WAN, WAN Security and VPN usage, or selecting managed services so they can keep their networks up to date and cope with constant change.

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How to calculate network bandwidth requirements

Figuring out how to calculate bandwidth requirements is vital to ensuring your network runs smoothly, and it's best to get the formula correct from the beginning.

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  • Meet the Editors

    Meet the Editors

  • How types of noise in data communication systems affect the network

    Learn about the different types of noise in data communication -- including thermal, intermodulation, cross-talk, impulse and shot noise -- and how they can affect your network.

  • VPN

    A virtual private network creates an encrypted connection over a less secure network when the network infrastructure cannot provide enough security to connected systems.

Definitions
  • WAN (wide area network)

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

  • ISDN (Integrated Services Digital Network)

    ISDN (Integrated Services Digital Network) is a set of CCITT/ITU standards for digital transmission over ordinary telephone copper wire, as well as over other media.

  • File Transfer Protocol (FTP)

    File Transfer Protocol (FTP) is a client-server standard used to transfer files between computers over the Internet using control and data channels.

Browse EnterpriseWAN Topics

Telecom Services

Telecommunication carrier services often make up the largest portion of an enterprise's IT budget, so choosing the right services is critical. The options are many and relationships can be complex, especially when a distributed network spans multiple countries or continents. This section presents the latest on the available choices, including purchasing bandwidth like T1 lines, managed services, and emerging services like SaaS and cloud computing, as well as best practices on how to evaluate the services you're receiving and negotiating with telecom providers.

Recent Definitions

  • WAN (wide area network)

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

  • Network Address Translation (NAT)

    A NAT (Network Address Translation or Network Address Translator) is the virtualization of Internet Protocol (IP) addresses. NAT helps improve security and decrease the number of IP addresses an organization needs.

  • managed service provider (MSP)

    A managed service provider (MSP) is a company that remotely manages a customer's IT infrastructure and/or end-user systems, typically on a proactive basis and under a subscription model.

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VPNs/Security

Here you'll find advice and news to help you design, manage and troubleshoot secure VPNs and remote access and to ensure that your WAN is protected from threats that lurk on the Internet or target the applications you're running. Our resources provide information about IPsec and SSL VPN design, setup and configuration, secure remote access, and Web and application security.

Recent Definitions

  • virtual private network (VPN)

    A virtual private network creates an encrypted connection over a less secure network when the network infrastructure cannot provide enough security to connected systems.

  • Network Address Translation (NAT)

    A NAT (Network Address Translation or Network Address Translator) is the virtualization of Internet Protocol (IP) addresses. NAT helps improve security and decrease the number of IP addresses an organization needs.

  • dynamic multipoint VPN (DMVPN)

    A dynamic multipoint virtual private network (DMVPN) is a secure network that exchanges data between sites without needing to pass traffic through an organization's headquarter VPN server or router.

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WAN Design

Network design is the basis for every WAN and the most crucial part to get right. Here we cover best practices and strategies for WAN design, including considerations for WAN capacity planning and bandwidth management, branch office network design, network disaster recovery planning methods, WWAN and mesh network planning and VPN design.

Recent Definitions

  • LPWAN (low-power wide area network)

    Low-power WAN (LPWAN) is a wireless wide area network technology that interconnects low-bandwidth, battery-powered devices with low bit rates over long ranges.

  • disaster recovery plan (DRP)

    A company's disaster recovery policy is enhanced with a documented DR plan that formulates strategies, and outlines preparation work and testing.

  • frame relay

    Frame relay is an affordable way to transmit switched-packet data within LANs and WANs.

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Infrastructure

Equipping your WAN with the right network hardware and technology is essential to providing your users with the connectivity, services and applications they need. Here you'll find resources on WAN network hardware and infrastructure, WAN protocols and IP networking, including IPv6. You'll learn how to build a WAN that meets today's complex networking challenges.

Recent Definitions

  • LPWAN (low-power wide area network)

    Low-power WAN (LPWAN) is a wireless wide area network technology that interconnects low-bandwidth, battery-powered devices with low bit rates over long ranges.

  • WAN (wide area network)

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

  • ISDN (Integrated Services Digital Network)

    ISDN (Integrated Services Digital Network) is a set of CCITT/ITU standards for digital transmission over ordinary telephone copper wire, as well as over other media.

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Optimization/Application Performance

WAN optimization can help ensure efficient and fast applications delivery on the network. Learn how WAN optimization and application acceleration can help manage traffic on the WAN, how to understand and manage application performance, how to monitor the WAN to prevent application bottlenecks, and how to manage applications and systems remotely.

Recent Definitions

  • 4K video resolution

    4K video resolution is high-definition (HD) video that has four times the resolution of 1080p HD video.

  • Space Communications Protocol Specifications (SCPS)

    Space Communications Protocol Specifications (SCPS) are designed to improve communications reliability, error checking, efficiency and performance in ground, manned craft and satellite inter-communications.

  • byte caching

    Byte caching is a method of reducing the amount of repetitious data that is sent back and forth in a network as a means of streamlining network performance.

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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

  • phishing

    Phishing is a form of fraud in which an attacker masquerades as a reputable entity or person in email or other communication ...

  • vulnerability disclosure

    Vulnerability disclosure is the practice of publishing information about a computer security problem, and a type of policy that ...

  • incident response

    Incident response is an organized approach to addressing and managing the aftermath of a security breach or cyberattack, also ...

SearchHealthIT

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

  • flash memory

    Flash memory, also known as flash storage, is a type of nonvolatile memory that erases data in units called blocks.

  • NAND flash memory

    NAND flash memory is a type of nonvolatile storage technology that does not require power to retain data.

  • NOR flash memory

    NOR flash memory is one of two types of nonvolatile storage technologies.

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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