OSI/AS Programming Manual

Contents
056783 Tandem Computers Incorporated v
About This Manual xiii
Notation Conventions xix
Section 1 Introduction
What Are the APS Procedures? 1-1
What Is the API? 1-2
What Is an OSI/AS Subsystem? 1-2
The OSI Manager Process 1-4
Management Information Base (MIB) 1-4
The OSI Layers 1-4
What OSI/AS Connections Are Possible? 1-5
Overview of OSI/AS Session Layer Support 1-6
What Are the Functions of the Session Layer? 1-6
Which Functional Units Are Supported? 1-6
How Is the Session Version Selected? 1-7
Overview of OSI/AS Presentation Layer Support 1-8
What Are the Functions of the Presentation Layer? 1-8
Which Functional Units Are Supported? 1-8
Overview of OSI/AS Support for ACSE 1-9
What Are the Functions of ACSE? 1-9
What ACSE Support Does OSI/AS Provide? 1-9
Section 2 APS Procedures Programming Concepts
Services 2-1
Naming Conventions 2-2
OSI Upper-Layer Concepts 2-3
Primitives 2-3
Tokens 2-9
Synchronization and Activity Management 2-12
Names for Service Users 2-14
Completion Information From Requests 2-14
Receiving an Event 2-15
Exception Reports 2-15
ACSE and Presentation Concepts 2-16
Connection Endpoint Identifier (CEPI) 2-20