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Transmission Control Protocol (RFC0793)

IP.com Disclosure Number: IPCOM000003842D
Original Publication Date: 1981-Sep-01
Included in the Prior Art Database: 2019-Feb-14

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

J. Postel: AUTHOR

Related Documents

10.17487/RFC0793: DOI

This text was extracted from a PDF file.
This is the abbreviated version, containing approximately 3% of the total text.

RFC: 793 TRANSMISSION CONTROL PROTOCOL DARPA INTERNET PROGRAM PROTOCOL SPECIFICATION September 1981

prepared for Defense Advanced Research Projects Agency Information Processing Techniques Office 1400 Wilson Boulevard Arlington, Virginia 22209

by

Information Sciences Institute University of Southern California 4676 Admiralty Way Marina del Rey, California 90291

September 1981 Transmission Control Protocol

TABLE OF CONTENTS

PREFACE ........................................................ iii

1. INTRODUCTION ..................................................... 1

1.1 Motivation .................................................... 1 1.2 Scope ......................................................... 2 1.3 About This Document ........................................... 2 1.4 Interfaces .................................................... 3 1.5 Operation ..................................................... 3

2. PHILOSOPHY ....................................................... 7

2.1 Elements of the Internetwork System ........................... 7 2.2 Model of Operation ............................................ 7 2.3 The Host Environment .......................................... 8 2.4 Interfaces .................................................... 9 2.5 Relation to Other Protocols ................................... 9 2.6 Reliable Communication ........................................ 9 2.7 Connection Establishment and Clearing ........................ 10 2.8 Data Communication ........................................... 12 2.9 Precedence and Security ...................................... 13 2.10 Robustness Principle ......................................... 13

3. FUNCTIONAL SPECIFICATION ........................................ 15

3.1 Header Format ................................................ 15 3.2 Terminology .................................................. 19 3.3 Sequence Numbers ............................................. 24 3.4 Establishing a connection .................................... 30 3.5 Closing a Connection ......................................... 37 3.6 Precedence and Security ...................................... 40 3.7 Data Communication ........................................... 40 3.8 Interfaces ................................................... 44 3.9 Event Processing ............................................. 52

GLOSSARY ............................................................ 79

REFERENCES .......................................................... 85

[Page i]

September 1981 Transmission Control Protocol

[Page ii]

September 1981 Transmission Control Protocol

PREFACE

This document describes the DoD Standard Transmission Control Protocol (TCP). There have been nine earlier editions of the ARPA TCP specification on which this standard is based, and the present text draws heavily from them. There have been many contributors to this work both in terms of concepts and in terms of text. This edition clarifi...

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