Most Common Networking Terms and Acronyms – X

X terminal Terminal that allows a user simultaneous access to several different applications and resources in a multivendor environment through implementation of X Windows. See also X Window System X Window System Distributed, network-transparent, device-independent, multitasking windowing and graphics system originally developed by MIT for communication between X terminals and UNIX workstations. See also X […]




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Most Common Networking Terms and Acronyms – W

WAN wide-area network. Data communications network that serves users across a broad geographic area and often uses transmission devices provided by common carriers. Frame Relay, SMDS, and X.25 are examples ofWANs. Compare with LAN and MAN. WDM wavelength division multiplexing. Multiple optical wavelengths can share the same transmission fiber. The spectrum occupied by each channel […]




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Most Common Networking Terms and Acronyms – V

V.24 ITU-T standard for a physical layer interface between DTE and DCE. V.24 is essentially the same as the EIA/TIA-232 standard. See also EIA/TIA-232. V.25bis ITU-T specification describing procedures for call setup and tear down over the DTE-DCE interface in a PSDN. V.32 ITU-T standard serial line protocol for bidirectional data transmissions at speeds of […]




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Most Common Networking Terms and Acronyms – U

U interface The interface between the telco and the user, also known as the local digital subscriber line (DSL) loop. UDP User Datagram Protocol. Connectionless transport layer protocol in the TCP/IP protocol stack. UDP is a simple protocol that exchanges datagrams without acknowledgments or guaranteed delivery, requiring that error processing and retransmission be handled by […]




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Most Common Networking Terms and Acronyms – T

T.120 ITU standard that describes data conferencing. H.323 provides for the capability to establish T.120 data sessions inside an existing H.323 session. T.30 Describes the overall procedure for establishing and managing communication between two fax machines. T.38 Defines procedures for real-time Group 3 facsimile communication over IP networks. T1 Digital WAN carrier facility. T1 transmits […]




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Most Common Networking Terms and Acronyms – S

SAN storage area networking. An emerging data communications platform that interconnects servers and storage at Gigabaud speeds. By combining LAN networking models with the core building blocks of server performance and mass storage capacity, SAN eliminates the bandwidth bottlenecks and scalability limitations imposed by previous SCSI bus-based architectures. SAP 1. service access point. Field defined […]




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