I-D ACTION:draft-irtf-dtnrg-arch-00.txt

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	Title		: Delay-Tolerant Network Architecture
	Author(s)	: V. Cerf et al.
	Filename	: draft-irtf-dtnrg-arch-00.txt
	Pages		: 24
	Date		: 2003-3-24
	
This document describes an architecture for delay-tolerant networks, 
and is a generalization of the architecture designed for the 
Interplanetary Internet: a communication system to provide Internet-
like services across interplanetary distances in support of deep 
space exploration.  This generalization addresses networks with 
operational and performance characteristics make conventional 
networking approaches either unworkable or impractical.  We define a 
message-based overlay that exists above the transport layer of the 
networks on which it is hosted.  The document presents an 
architectural overview followed by discussions of services, topology, 
routing, security, reliability and state management.

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