nanog mailing list archives
Re: Problems with removing NAT from a network
From: Mark Andrews <marka () isc org>
Date: Thu, 06 Jan 2011 15:31:10 +1100
In message <AANLkTimkgPYKY_AkA5px4-ca-3=oufhGbnenRkPmpTE1 () mail gmail com>, Came ron Byrne writes:
On Wed, Jan 5, 2011 at 6:42 PM, Dobbins, Roland <rdobbins () arbor net> wrote:On Jan 6, 2011, at 9:38 AM, ML wrote:At least not without some painful rebuilds of criticals systems which ha=ve these IPs deeply embedded in their configs.They shouldn't be using IP addresses in configs, they should be using DNS=names. =A0Time to bite the bullet and get this fixed prior to their eventu= al forced migration to IPv6.Somebody should tell the nytimes.com about this being a bad practice, many of their images are linked to ip addresses directly and will certainly fail in the future (this year, mobile) networks that will use NAT64/DNS64. I am sure users will find other places to view their news when nytimes.com fails to work in these ipv6-only networks.
Which is one of the reasons why DS-lite is a better solution for providing legacy access to the IPv4 Internet than NAT64/DNS64. DS-lite only breaks what NAT44 breaks. DS-lite doesn't break new things.
Small summary of the problem of IPv4 literals and how they will break in certain IPv6 environments that will be deployed this year http://groups.google.com/group/ipv4literals Cameron =3D=3D=3D=3D=3D=3D=3D=3D=3D http://groups.google.com/group/tmoipv6beta =3D=3D=3D=3D=3D=3D=3D=3D=3D------------------------------------------------------------------------ Roland Dobbins <rdobbins () arbor net> // <http://www.arbornetworks.com> Most software today is very much like an Egyptian pyramid, with millions of bricks piled on top of each other, with no structural integrity, but just done by brute force and thousands of slaves. =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0-- Alan Kay
-- Mark Andrews, ISC 1 Seymour St., Dundas Valley, NSW 2117, Australia PHONE: +61 2 9871 4742 INTERNET: marka () isc org
Current thread:
- Problems with removing NAT from a network ML (Jan 05)
- Re: Problems with removing NAT from a network Dobbins, Roland (Jan 05)
- Re: Problems with removing NAT from a network Cameron Byrne (Jan 05)
- Re: Problems with removing NAT from a network Mark Andrews (Jan 05)
- Re: Problems with removing NAT from a network Cameron Byrne (Jan 05)
- Re: Problems with removing NAT from a network Matthew Kaufman (Jan 05)
- Re: Problems with removing NAT from a network Cameron Byrne (Jan 05)
- Re: Problems with removing NAT from a network Mark Andrews (Jan 05)
- Re: Problems with removing NAT from a network Cameron Byrne (Jan 05)
- Re: Problems with removing NAT from a network Mark Andrews (Jan 06)
- Re: Problems with removing NAT from a network Cameron Byrne (Jan 05)
- Re: Problems with removing NAT from a network Matthew Kaufman (Jan 06)
- Re: Problems with removing NAT from a network Cameron Byrne (Jan 06)
- Re: Problems with removing NAT from a network Matthew Kaufman (Jan 06)
- Re: Problems with removing NAT from a network Owen DeLong (Jan 06)
- Re: Problems with removing NAT from a network Dobbins, Roland (Jan 05)