This research is sponsored by the United States Air Force under Project RAND-Contract No. AF 49(638)-700 monitored by the Directorate of Development Plans, Deputy Chief of Staff, Research and Development, Hq USAF. Views or conclusions contained in this Memorandum should not be interpreted as representing the official opinion or policy of the United States Air Force.
DDC AVAILABILITY NOTICE
Qualified requesters may obtain copies of this report from the Defense
Documentation Center (DDC).
Copyright (c) 1964

Section
I. INTRODUCTION
II.EXAMINATION OF A DISTRIBUTED NETWORK
Node DestructionIII. DIVERSITY OF ASSIGNMENT
Link Destruction
Combination Link and Node Destruction
SimulationIV. ON A FUTURE SYSTEM DEVELOPMENT
Comparison with Present Systems
Future Low-Cost All-Digital Communications LinksV. WHERE WE STAND TODAY
Variable Data Rate Links
Variable Data Rate Users
Common User
Standard Message Block
Switching
Forgetting and Imperfect Learning
Lowest-Cost Path