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Virtual Telecommunications Access Method information


Virtual Telecommunications Access Method (VTAM) is the IBM subsystem that implements Systems Network Architecture (SNA) for mainframe environments.[1] VTAM provides an application programming interface (API) for communication applications, and controls communication equipment such as adapters and controllers. In modern terminology, VTAM provides a communication stack and device drivers.

  1. ^ IBM Corporation (2011). ABCs of z/OS System Programming Volume 4 (PDF).

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Virtual Telecommunications Access Method

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Virtual Telecommunications Access Method (VTAM) is the IBM subsystem that implements Systems Network Architecture (SNA) for mainframe environments. VTAM...

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Access method

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telecommunications access method QTAM - Queued teleprocessing access method TCAM - Telecommunications access method VTAM - Virtual telecommunications access method, introduced...

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List of computing and IT abbreviations

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Storage-Access Method VSAT—Very Small Aperture Terminal VT—Video Terminal VTL—Virtual Tape Library VTAM—Virtual Telecommunications Access Method VRAM—Video...

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Systems Network Architecture

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form of various communications packages, most notably Virtual Telecommunications Access Method (VTAM), the mainframe software package for SNA communications...

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Binary Synchronous Communications

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which was later replaced by Telecommunications Access Method (TCAM). IBM introduced VTAM (Virtual Telecommunications Access Method) with the System/370. Teleprocessing...

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IBM 3745

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software including NCP (Network Control Program) and the virtual telecommunications access method (VTAM). IBM has announced end-of-service dates for Japan...

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IBM Network Control Program

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programs using TCAM and later to application programs using Virtual Telecommunications Access Method (VTAM). Subsequent versions of NCP were released to run...

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IBM 3270

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channel attached, controllers are controlled by VTAM – Virtual Telecommunications Access Method. Remote controllers are controlled by the NCP – Network...

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only received by that same channel. In telecommunications, loopback devices perform transmission tests of access lines from the serving switching center...

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In most telecommunications organizations, a virtual channel is a method of remapping the program number as used in H.222 Program Association Tables and...

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terms are also used for other non-telecommunications services paid for by advance deposit.) The alternative billing method (and what is commonly referred...

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The Society of Cable Telecommunications Engineers or SCTE a subsidiary of CableLabs® is a non-profit professional association for accelerating the deployment...

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include virtual server, cloud services, or physical server operation.[failed verification] Just as their customers pay them for Internet access, ISPs themselves...

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Packet switching

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Telecommunications in the United Arab Emirates (UAE) is under the control and supervision of the Telecommunications and Digital Government Regulatory...

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used to house computer systems and associated components, such as telecommunications and storage systems. Since IT operations are crucial for business...

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Trunking

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In telecommunications, trunking is a technology for providing network access to multiple clients simultaneously by sharing a set of circuits, carriers...

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Technological convergence

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Convergence is later defined more specifically as the coming together of telecommunications, computing and broadcasting into a single digital bit-stream. Mueller...

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Teledentistry

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Teledentistry is the use of information technology and telecommunications for dental care, consultation, education, and public awareness (compare telehealth...

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network. Nodes in an overlay network can be thought of as being connected by virtual or logical links, each of which corresponds to a path, perhaps through...

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