[128098] in North American Network Operators' Group
Re: 33-Bit Addressing via ONE bit or TWO bits ? does NANOG care?
daemon@ATHENA.MIT.EDU (Steven King)
Sat Jul 24 15:50:54 2010
Date: Sat, 24 Jul 2010 15:50:32 -0400
From: Steven King <sking@kingrst.com>
To: nanog@nanog.org
In-Reply-To: <AANLkTi=6TW_HP3n5epJW4AA1sHsgFYcqRK0gGUJYtbSU@mail.gmail.com>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
I am very curious to see how this would play with networks that
wouldn't support such a technology. How would you ensure communication
between a network that supported 33-Bit addressing and one that doesn't?
On 7/24/10 3:26 PM, IPv3.com wrote:
> 33-Bit Addressing via ONE bit or TWO bits ? does NANOG care?
>
> As some people (who understand IPv4) know, there is a SINGLE
> spare/unused bit in the IPv4 header that can be set to 0 or 1.
> Some religions require that it be set to 0. Adult content is marked with a 1.
>
> That single bit can be viewed as common between the Source and
> Destination creating a 33rd bit of addressing.
> Since it is a single bit, it is welded together for both Source and
> Destination. 0-Normal 1-Evil/Other/Adult/XXX
>
> In anticipation of expanding to 33-bit addressing, another bit was
> deprecated years ago. It can now be used to UNWELD
> the EVIL bit. That would allow EVIL to be only for the Source. The
> Destination would have its own EVIL bit.
> If two bits are used, then the potential to communicate between the
> previously welded address spaces arises.
> Some enforcement could still be used in Edge Network Elements to make
> sure both bits are 0 or both 1.
> Enforcements are hard to maintain and full 33-bit addressing may emerge.
>
> As an aside, NAT was primarily added to improve the .NET Architecture
> with a Flash Upgrade-able Network Element.
> It is a shame that IPv6 salesman do not seem to understand
> "Architecture". They continue on the [NAT is Evil] path.
>
> NANOG can play an important role in shaping how Address Plans for
> North America evolve. Since Network Elements
> are going to be flash upgraded for the new DNS, it is easy to (unweld/change)
> the 33-bit addressing for .XXX
>
> The 33-bit addressing works into the 66-bit Triple-Tagged VLAN
> addressing with Content Rating.
> http://en.wikipedia.org/wiki/IEEE_802.1Q
> The Locator is 33-bits and the ID is 33-bits. Both are UNIQUE. Both
> fit in the IPv4 foot-print.
> The three-ring circus architecture emerges. (((Core)Edge)Fringe)
>
> does NANOG care? is NANOG now Fringe ?
>
--
Steve King
Senior Linux Engineer - Advance Internet, Inc.
Cisco Certified Network Associate
CompTIA Linux+ Certified Professional
CompTIA A+ Certified Professional
