Network Working Group Bob Anderson Request for Comments: 166 Rand NIC 6780 Vint Cerf UCLA Eric Harslem John Haefner Rand Jim Madden U. of Illinois Bob Metcalfe MIT Arie Shoshani SDC Jim White UCSB David Wood Mitre 25 May 1971 DATA RECONFIGURATION SERVICE -- AN IMPLEMENTATION SPECIFICATION CONTENTS I. INTRODUCTION ................................... 2 Purpose of this RFC ............................ 2 Motivation ..................................... 2 II. OVERVIEW OF THE DATA RECONFIGURATION SERVICE ... 3 Elements of the Data Reconfiguration SERVICE ... 3 Conceptual Network Connections ................. 3 Conception Protocols and Message Formats ....... 4 Example Connection Configurations .............. 7 III. THE FORM MACHINE ............................... 8 Input/Output Streams and Forms ................. 8 Form Machine BNF Syntax ........................ 8 Alternate Specification of Form Machine Syntax . 9 Forms .......................................... 10 Rules .......................................... 10 Terms .......................................... 11 Term Format 1 ................................ 11 Term Format 2 ................................ 11 Term Format 3 ................................ 14 Term Format 4 ................................ 14 Anderson, et al.