A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : Layer2-Aware NAT
Author(s) : D. Miles, M. Townsley
Filename : draft-miles-behave-l2nat-00.txt
Pages : 16
Date : 2009-03-04
This document describes a "Layer2-Aware" IPv4-to-IPv4 (NAT44) Service
Provider NAT function that identifies subscriber traffic based on IP-
independent methods such as a link-layer address, VLAN, PPP session,
tunnel, etc. in order to allow one to either avoid "double-NAT"
(NAT444) of subscriber IP traffic altogether, the need for additional
"Shared Service-Provider" IPv4 address space, or partitioning of RFC
1918 space between subscribers. While the mechanisms described in
this document may be applicable to a variety of network
architectures, the primary focus is on residential "fixed-line"
Internet access.
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