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Re: [Xen-users] route or nat

To: "rmarfisi@xxxxxxxxx" <rmarfisi@xxxxxxxxx>
Subject: Re: [Xen-users] route or nat
From: John Haxby <john.haxby@xxxxxxxxxx>
Date: Wed, 13 Aug 2008 11:07:50 +0100
Cc: xen <xen-users@xxxxxxxxxxxxxxxxxxx>
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rmarfisi@xxxxxxxxx wrote:
i don't understand the difference between route and nat

http://www.google.com/search?ie=UTF-8&oe=UTF-8&sourceid=navclient&gfns=1&q=what+is+nat

Briefly, routing is the process that decides where an IP packet should go to next. NAT, on the other hand, re-writes the IP packet source or destination address. "NAT" is short for "Network Address Translation" and is typically used to hide machines behind firewalls (source-NAT, SNAT) or redirect traffic to some other machine (destination-NAT, DNAT, sometimes called port-forward).

I'm sorry for my bad english
Your English is much, much better than my Italian!

jch

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