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  1. X.25 - Wikipedia

    X.25 is an ITU-T standard protocol suite for packet-switched data communication in wide area networks (WAN). It was originally defined by the International Telegraph and Telephone Consultative …

  2. X.25 Protocol: Advantages and Disadvantages - RF Wireless World

    Explore the X.25 protocol, covering its benefits such as reliability and faster response times, as well as its drawbacks, including low data rates and overhead.

  3. X.25 networks - IBM

    X.25 is a Telecommunications Standardization Sector (ITU-T) recommendation that defines the physical level (physical layer), link level (data link layer), and packet level (network layer) of the open systems …

  4. X.25 Protocols - Cisco

    X.25 is the ITU-T standard that defines how connections between DTE and DCE are maintained for remote terminal access and computer communications in PDNs. X.25 specifies LAPB, a data link …

  5. X.25 | IEEE Communications Society

    X.25 is adopted by the CCITT (later ITU-T). A virtual circuit protocol for packet communications, X.25 delivers packets in proper sequence, unlike the Internet Protocol (IP), which relies on the transport …

  6. X.25 Structure - GeeksforGeeks

    Jul 15, 2025 · X.25 is generally a protocol that was developed by Telecommunication Standardization Sector (ITU-T) of International Telecommunication Union. It usually allows various logical channels to …

  7. What Is X.25? - Computer Hope

    Sep 7, 2025 · The foundational details of X.25, CCITT X series standard for packet switching, developed in 1976 for managing burst traffic over local area networks.

  8. X.25 - Wikiwand

    X.25 is an ITU-T standard protocol suite for packet-switched data communication in wide area networks (WAN). It was originally defined by the International Telegraph and Telephone Consultative …

  9. X.25 - ckp.made-it.com

    Packet switches within the X.25 network are refered to as Data Switching Equipment (DSE). X.25 specifies standards for the bottom three layers of the OSI-model. The physical layer requires the use …

  10. What is X.25? Competitors, Complementary Techs & Usage

    Nov 24, 2025 · X.25 is a packet-switching protocol standard for wide area networks. It defines how data is encapsulated, addressed, and transmitted between networks, typically using virtual circuits.