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| Dec 3, 2009 |
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Standards >
Network Protocols >
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ALSO CALLED:
Systems Network Architecture,
IBM SNA,
System Network Architecture
DEFINITION: In IBM's Systems Network Architecture (SNA), a physical unit (PU) identifies a network node that supports communication sessions between logical units (LU). Logical units represent end users. Two logical units that communicate depend on physical connections being established through associated physical units. The network point at each end of a communication that sets up the communication session
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Definition continues below.
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SNA White Papers
(View All Report Types)
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2 Matches
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Reference Guide: Fundamental Protocols of Network Management
sponsored by SolarWinds, Inc.
WHITE PAPER:
The goal of this five-part Reference Guide is to assist you with understanding and successfully employing the top 5 network management protocols. Building upon the very simplest in Internet Control Message Protocol (ICMP) and Simple Network Management Protocol (SNMP), this guide explores the latest network management solutions.
Posted: 20 Oct 2009 | Published: 20 Oct 2009
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Router Essentials
sponsored by Global Knowledge
WHITE PAPER:
Build a basic foundation of knowledge about routers, the devices that allow you to move packets between networks, by reading this white paper.
Posted: 10 Dec 2008 | Published: 10 Dec 2008
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SNA DEFINITION (continued): … between logical units is called the system services control point (SSCP). The SSCP sets up its own session with the PU on behalf of the LU-LU session. Typically, a logical unit is a unique connection to an application program. A physical unit is the hardware and routing aspect of a network node. IBM's Virtual Telecommunication Access Method (VTAM) is used by an application program to manage session and communication requests on behalf of logical units. In SNA, there are different node types (formerly called physical unit types) that characterize routing, pooling, and other network capabilities. … SNA definition sponsored by WhatIs.com, powered by WhatIs.com an online computer dictionary
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