Networking

Definitions about networking including routing and switching vocabulary, telecom terminology and words about email, messaging and mobile.

High-speed networks

Terms related to high-speed communication networks, including network and end-system architecture definitions and words and phrases about high-bandwidth and low-latency communication.

  • What is PSTN (public switched telephone network)?

    PSTN (public switched telephone network) is the world's collection of interconnected voice-oriented public telephone networks via traditional circuit-switched networks.

  • What is SMS (Short Message Service)?

    SMS (Short Message Service), commonly referred to as 'text messaging,' is a service for sending short messages of up to 160 characters (224 character limit if using a 5-bit mode) to mobile devices, including cellular phones, smartphones and tablets.

  • What is Cisco Performance Routing (PfR)?

    Cisco Performance Routing (PfR) is a way of sending network packets based on intelligent path control.

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Network Admin

Terms related to managing computer networks, including definitions about LANS or WANS and words and phrases about network design, troubleshooting, security and backups.

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Network hardware

Terms related to network hardware, including definitions about cables or file servers and words and phrases about routers and switches.

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Networking and communications

Terms related to networking and communications, including definitions about network protocols and words and phrases about data transmission.

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Wireless and mobile

Terms related to wireless and mobile technology, including definitions about consumer mobile technology devices and communication technologies such as Wi-Fi, WiMAX and LTE.

  • What is Bluesky?

    Bluesky is an open source social media platform -- similar to X, formerly Twitter -- allowing users to create posts with a 300-character limit, which can include text, photos or videos.

  • What is NRZ (non-return-to-zero)?

    NRZ (non-return-to-zero) is a form of digital data transmission in which the binary low and high states, represented by numerals 0 and 1, are transmitted by specific and constant direct current (DC) voltages.

  • What is SMS (Short Message Service)?

    SMS (Short Message Service), commonly referred to as 'text messaging,' is a service for sending short messages of up to 160 characters (224 character limit if using a 5-bit mode) to mobile devices, including cellular phones, smartphones and tablets.

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