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