TS Supplement (Includes RFC-1006 Support)

Contents

107751 Tandem Computers Incorporated v

About This Manual ix

Notation Conventions xiii

Section 1 Introduction to RFC-1006

Overview of the Tandem OSI Architecture 1-1

TCP/IP as the NSP Process 1-3

Comparison of OSI and Internet Layer Architectures 1-4

OSI/AS and OSI/TS on Top of TCP/IP 1-5

Introduction to the Tandem TCP/IP Subsystem 1-7

TCP/IP Internet Addressing 1-9

Changes in the Transport Layer When Using RFC-1006 1-15

Transport Layer Protocols 1-15

Transport Service User Data 1-16

Transport Expedited Data 1-16

Larger TPDU Size 1-16

TPDU and Transport Packet Structure 1-16

Encapsulation of TPDU Into the Transport Packet 1-17

Transport Packet Format and Length 1-17

Service Primitives 1-18

Service Primitives Mapping Between OSI Network Service and

TCP 1-21

Parameter Mapping Between OSI Network Service and TCP 1-23

Transport Service Procedures 1-23

Section 2 RFC-1006 Subsystem Configuration

Configuring TCP/IP 2-1

Configuring OSI/TS 2-2

OSI/TS SCF Attributes Used for TCP/IP Protocol Selection 2-2

Configuring OSI/TS, TCP/IP, and NSP Processes 2-5

Single TSP Process Interfacing With a Single TCP/IP Process 2-8

Single TSP Process Interfacing With Multiple TCP/IP Processes 2-10

Multiple TSP Processes Interfacing With a Single TCP/IP Process 2-12

New OSI/TS Startup PARAMs for RFC-1006 2-13

Configuring OSI/AS 2-15

OSI/AS SCF Attributes Used for TCP/IP Protocol Selection 2-15

Section 3 RFC-1006 Changes to the SCF, SPI, and PTrace Subsystems

OSI/TS SCF Commands Changed to Support RFC-1006 3-1