| Client
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A machine, running a COBOL system, where you install communications client software. This machine accesses a host CICS environment via a local server.
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| Data Link Control (DLC) link
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The interface to the network. The attributes of a link can be divided into two parts:
- Characteristics of the port (logical and physical)
- Control characteristics of the link
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| Control Point (CP, CP Name)
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Identifies the local node manager that provides services to the local logical units.
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| Link station
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The part of data link control (DLC) that is responsible for the transfer of data between two communications services managers connected by a link.
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| Local server
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The machine with the SNA link to the host, where you install communications server software, to provide access to a COBOL System running on client PCs.
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| Network name (NETID)
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The name of the network to which the system is connected.
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| Logical Unit (LU)
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A network accessible unit (NAU). In SNA there are a number of logical unit types that identify the protocols supported by that logical unit. For APPC the LU type is 6.2 referred to as LU 6.2.
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| Partner LU
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The logical unit with which to communicate.
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| Transaction Program (TP)
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The program to be executed at one end of a conversation.
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| Session
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The logical connection between two network accessible units.
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| Inter Systems Communications (ISC)
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Two or more regions running on different processor complexes that are able to communicate with each other.
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| Mode
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The connection characteristics of a session.
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