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SNA APPC – LU 6.2 LIBRARY II

ND 211281 – SNA LU 6.2 LIBRARY II

+------------------+       +------------------+
|    IBM HOST      |       |    ND SYSTEM     |
|                  |       |                  |
|  +------------+  |       |  +------------+  |
|  | M V S  V M |  |       |  |   SINTRAN  |  |
|  +------------+  |       |  | +--------+ |  |
|  |    CICS    |  |       |  | |  S N A | |  |
|  |   LU6.2    |  |       |  | +--------+ |  |
|  +------------+  |       |  | |   G  W  |  |
|         V        |-------|  | +--------+ |  |
|       T A M      | F R O |  | |   S W   |  |
|         M        | E N D |  | | I O S I |  |
|                  |       |  | |        |  |
|                  |       |  | +--------+ |  |
+------------------+       |  | | CO S M O|  |
                           |  | | S I S   |  |
                           |  | +--------+ |  |
                           |  | | APPC    |  |
                           |  | | LU6.2   |  |
                           |  +------------+  |
                           +------------------+

ND Norsk Data

[Logo: ND Norsk Data]


Scanned by Jonny Oddene for Sintran Data © 2010


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SNA APPC – LU 6.2 LIBRARY II

Introduction

Norsk Data's SNA APPC – LU 6.2 LIBRARY II is a software emulation of Advanced Program-to-Program Communication (APPC). It is designed to allow application programs on ND computers to communicate with CICS® application programs on IBM® hosts in an SNA network.

Features

  • IBM Advanced Program-to-Program Communication emulation
  • Implements LU 6.2 for Program-to-Program communication
  • Implements PU 2.0 for IBM host communication
  • Compatible with CICS LU 6.2 support and DISOSS
  • Application interface via IBM's architected Mapped and Basic Conversation Interfaces in PLANC, COBOL and FORTRAN
  • Up to 4 parallel conversations per application program

Product description

The ND SNA APPC – LU 6.2 LIBRARY II software package consists of a set of Library Routines through which the applications are connected. The ND SNA APPC – LU 6.2 LIBRARY II allows multiple LU 6.2 users to connect to the IBM host simultaneously. The Library Routines implement the architected verb interface to LU 6.2.

Application programs use the Conversation Verb Interface in the ND SNA APPC – LU 6.2 LIBRARY II to send and receive data from both custom LU 6.2 applications and IBM host-based applications like DISOSS.

The ND SNA GATEWAY II controls the allocations of SNA sessions to application programs, provides end-to-end error reporting capability and synchronizes processing when two applications are communicating.

ND SNA APPC – LU 6.2 LIBRARY II is part of a complete line of IBM-compatible data communication products from Norsk Data. These products are based on a consistent modular design utilizing the same SNA GATEWAY II for all the SNA-compatible software. This design allows a single system to support APPC concurrently with 3270 and RJE and other Logical Unit types.

The SNA APPC – LU 6.2 LIBRARY II implementation supports the following verbs as defined in Transactions Programmer's Reference Manual for LU type 6.2 (GC30-3084-2) by IBM:

[Scanned by Jonny Oddene for Sintran Data © 2010]


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SNA APPC – LU 6.2 LIBRARY II

Basic Conversion Verbs Mapped Conversion Verbs
ALLOCATE MC_ALLOCATE
CONFIRM MC_CONFIRM
CONFIRMED MC_CONFIRMED
DEALLOCATE MC_DEALLOCATE
FLUSH (o) MC_FLUSH (o)
GET_ATTRIBUTES MC_GET_ATTRIBUTES (o)
GET_TYPE (o) GET_TYPE (o)
PREPARE_TO_RECEIVE (o) MC_PREPARE_TO_RECEIVE (o)
RECEIVE_AND_WAIT MC_RECEIVE_AND_WAIT
REQUEST_TO_SEND MC_REQUEST_TO_SEND
SEND_DATA MC_SEND_DATA
SEND_ERROR MC_SEND_ERROR

The verbs which are optional are marked with (o).

The options supported are (with option set number):

  • 3: Immediate allocation of a session
  • 7: Program-supplied user ID and password
  • 12: PIP data
  • 14: Flush the LU’s send buffer
  • 16: Prepare to receive
  • 17: Long locks
  • 23: FMH data
  • 24: Get attributes
  • 25: Get conversation type
  • 26: Mapped conversation LU services component

Prerequisites

The following are required to utilise the SNA APPC – LU 6.2 LIBRARY II:

Hardware:
Any type of ND-1xx/5xx/5xxx (except ND-5100) systems.
ND 108670 PIOC

Software:
SINTRAN version K or later
ND 210374 COSMOS Basic Module or ND 210373 XMSGX X-Message
ND 211277 SNA GATEWAY II
Compiler for PLANC, COBOL, or FORTRAN.

Documentation

SNA APPC – LU 6.2 LIBRARY II
Programming guide .............................................................ND 60.273.1 EN
SNA GATEWAY II Supervisor guide ................................ND 30.113.1 EN
SNA GATEWAY II Host Considerations ........................ND 60.350.1 EN

IBM Documentation GC30-3084

Abbreviations

SNA – System Network Architecture
LU – Logical Unit
PU – Physical Unit
DISOSS – DIStributed Office Support System
PIOC – Programmable Input-Output Controller
CICS – Customer Information Control System


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Contact Information

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Information in this document is subject to change without notice and does not represent a commitment on the part of Norsk Data.