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I-D ACTION:draft-simu-midcom-stun-aware-nat-00.txt



A New Internet-Draft is available from the on-line Internet-Drafts directories.


	Title		: STUN-aware NAT
	Author(s)	: A. Simu, R. Mahy, M. Somasundaram
	Filename	: draft-simu-midcom-stun-aware-nat-00.txt
	Pages		: 17
	Date		: 11-Apr-02
	
STUN provides an easy way to traverse some types of NATs and it will
work satisfactorily in many NAT deployments.  To overcome STUN's
limitations, one solution is to accept the idea that NATs can change
too (and they've been proven to change, an example being the
proliferation of IPsec pass-thru NAT devices) and to colocate STUN
server functionality on the NAT box itself.  Upon receipt of a STUN
request, the server colocated within the NAT device allocates
addresses and ports, and installs bindings.  This allows hosts
running the STUN client software to transparently achieve symmetric
NAT traversal and to make themselves addressable from the Global
Internet.

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