Subject: [Fecframe] PNAT?

From: "Caitlin Bestler" <[email-masked]>
Date: Wed, 9 Nov 2005 12:56:32 -0800

Does the current proposal require that all middleboxes
operate strictly at L3 and below? I don't see how this
scheme would work if there are any middleboxes that
modify the UDP port numbers as part of a PNAT/firewall
function. If the packet had an error it would get
tossed at that point, and there would be no chance
to repair it later.

And doesn't requiring that there me no L4 aware
middleboxes all but require this be IPv6?

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