DoD standard Internet Protocol
RFC 760
Document | Type |
RFC - Unknown
(January 1980; No errata)
Obsoleted by RFC 791
Updated by RFC 777
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Authors | |||
Last updated | 2013-03-02 | ||
Stream | Legacy | ||
Formats | plain text html pdf htmlized bibtex | ||
Stream | Legacy state | (None) | |
Consensus Boilerplate | Unknown | ||
RFC Editor Note | (None) | ||
IESG | IESG state | RFC 760 (Unknown) | |
Telechat date | |||
Responsible AD | (None) | ||
Send notices to | (None) |
RFC: 760 IEN: 128 DOD STANDARD INTERNET PROTOCOL January 1980 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 January 1980 Internet Protocol TABLE OF CONTENTS PREFACE ........................................................ iii 1. INTRODUCTION ..................................................... 1 1.1 Motivation .................................................... 1 1.2 Scope ......................................................... 1 1.3 Interfaces .................................................... 1 1.4 Operation ..................................................... 2 2. OVERVIEW ......................................................... 5 2.1 Relation to Other Protocols ................................... 5 2.2 Model of Operation ............................................ 5 2.3 Function Description .......................................... 7 3. SPECIFICATION ................................................... 11 3.1 Internet Header Format ....................................... 11 3.2 Discussion ................................................... 21 3.3 Examples & Scenarios ......................................... 30 3.4 Interfaces ................................................... 34 GLOSSARY ............................................................ 37 REFERENCES .......................................................... 41 [Page i] January 1980 Internet Protocol [Page ii] January 1980 Internet Protocol PREFACE This document specifies the DoD Standard Internet Protocol. This document is based on five earlier editions of the ARPA Internet Protocol Specification, 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 revises the details security, compartmentation, and precedence features of the internet protocol. Jon Postel Editor [Page iii] January 1980 RFC: 760 IEN: 128 Replaces: IENs 123, 111, 80, 54, 44, 41, 28, 26 DOD STANDARD INTERNET PROTOCOL 1. INTRODUCTION 1.1. Motivation The Internet Protocol is designed for use in interconnected systems of packet-switched computer communication networks. Such a system has been called a "catenet" [1]. The internet protocol provides for transmitting blocks of data called datagrams from sources to destinations, where sources and destinations are hosts identified by fixed length addresses. The internet protocol also provides for fragmentation and reassembly of long datagrams, if necessary, for transmission through "small packet" networks. 1.2. Scope The internet protocol is specifically limited in scope to provide the functions necessary to deliver a package of bits (an internet datagram) from a source to a destination over an interconnected system of networks. There are no mechanisms to promote data reliability, flow control, sequencing, or other services commonly found in host-to-host protocols. 1.3. Interfaces This protocol is called on by host-to-host protocols in an internet environment. This protocol calls on local network protocols to carryShow full document text