Archeological excavations at Presidio San Agustín de Ahumada,

Transport Protocols for Department of Defense Data Networks
Copyright
Contents
PREFACE
EXECUTIVE SUMMARY
	Department of Defense's Transmission Protocol
		International Standards Organization's Transport Protocol
	DOD OPERATIONAL AND TECHNICAL NEEDS
	SOME COMPARISONS
	SOME ECONOMIC CONSIDERATIONS
	RECOMMENDATIONS
		Option 1
		Option 2
		Option 3
		Comparison of Options
I. INTRODUCTION
II. REVIEW OF NBS AND DOD OBJECTIVES
	NBS OBJECTIVES
		Development of Networking and Protocol Standards
		Development of Testing Methodologies
		Assisting Users and Manufacturers
	DOD OBJECTIVES
		Performance and Functionality
		Interoperability
		Minimize Costs
		Ease of Transition and Manageability
III. COMPARISON OF DOD AND ISO PROTOCOLS
	COMPARISON OF DOD AND ISO TRANSPORT LAYERS
		Data Transfer Interface
		Flow Control
		Error Detection
		Simultaneous Call Between Same Users
		Multiple Calls Between Same Addresses
		Addressing
		Binding User Entities to Connections
		Out-of-Band Signals
		Security
		Precedence
		Type of Service
		Datagram Service
		Closing
	COMPARISON OF DOD AND ISO INTERNET LAYERS
	COMPARISON ON THE BASIS OF PERFORMANCE, SECURITY, AND RISK
		Performance
		Security
		Risk
		Fatal Flaws in Protocol Design
		Errors and Ambiguities in Protocol Specification
		Errors in Protocol Implementation
		Performance Issues
IV. STATUS OF DOD AND ISO PROTOCOL IMPLEMENTATIONS AND SPECIFICATIONS
	DEPARTMENT OF DEFENSE
	INTERNATIONAL STANDARDS ORGANIZATION
		TP-4 Status and Plans
		Internetwork Protocol Status and Plans
V. MARKETS
	DEPARTMENT OF DEFENSE NETWORKS MARKET STATUS AND PLANS
		System Descriptions
		Integration
	INTERNATIONAL AND NATIONAL STANDARD MARKET DEMAND FOR TP-4
		National Support of International Standards
	MARKET SEGMENTS NOT REQUIRED TO USE TCP OR TP-4
VI. DEVELOPMENT OF STANDARD COMMERCIAL VERSUS SPECIAL COMMERCIAL PRODUCTS
	PRODUCT DEVELOPMENT VERSUS SYSTEM INTEGRATION
	CRITERIA FOR SELECTION OF STANDARD PRODUCTS
	STANDARD VERSUS SPECIAL PRODUCT
		Special-Product Process
		Standard-Product Process
	CONCLUSION
VII. RESPONSIVENESS OF INTERNATIONAL STANDARDS PROCESS TO CHANGE
VIII. OPTIONS FOR DOD AND NBS
	Option 1
		Option 2
		Option 3
IX. COST COMPARISON OF OPTIONS
	COST FACTORS AND MODEL
		Savings Using Commercial Software
		How Soon Will TP-4 Be Used?
		Cost of Decision to Use TP-4
		Marginal Costs of Maintaining Two Standards
		Evaluation of Options by Cost
X. EVALUATION OF OPTIONS
	SUMMARY
	DEFENSE DEPARTMENT OBJECTIVES VERSUS OPTIONS
		Functional and Performance Objectives
		Maximizing Interoperability
		Minimizing Procurement, Development, and Support Costs
		Ease of Transition
		Manageability and Responsiveness to DOD Requirements
	EFFECT OF PROPOSED OPTIONS ON MARKET SHARE
XI. RECOMMENDATIONS
	BASIC RECOMMENDATION
	DETAILED RECOMMENDATIONS
	ADDITIONAL CONSIDERATIONS
		Transition Plan
		Demonstration Plan
		Switchover of User Systems
		Lessons Learned from the ARPANET NCP-to-TCP Transition