Post on 07-Jan-2016
description
Architectural argument for another
prefix
Fred
RFC 1918
If the prefix is used to address private networks, and therefore free public address space for use in a network, Note that this was the intended use of the RFC
1918 address space: NATs had not been invented
If the address space is used for CGN:
10.0.0.0/8 172.16.0.0/12 192.168.0.0/16 10.0.0.0/8
?.?.?.?/??
Assume networks “south” of the CGN are NAT’d and use RFC 1918 address space
To route between address spaces, they have to have
separate addresses. Therefore, ?.?.?.?/??
Cannot be an RFC 1918 address
Wild woolyInternet