[AusNOG] IPv4

[Terry Manderson]

On 03/03/2013, at 6:55 PM, Mark Newton wrote:

> 
> 
> On 03/03/2013, at 19:00, Don Gould <don at bowenvale.co.nz> wrote:
> 
>> Paul how is DNS for this?
>> 
>> Please excuse my ignorance but I don't understand how you use DNS to multihome a device.
> 
> There's this idea in IPv6 that you can separate the identifier from the locator.
> 

That idea is not just focused in IPv6. An identifier agnostic (generally speaking) experiment is underway in the IETF.

Take a look at http://tools.ietf.org/wg/lisp/
or for a less onerous read http://lisp4.cisco.com/lisp_over.html (the description and the rationale in this isn't perfect IMHO, but good enough for the basics)


> Thankfully the RIR orgs adopted policies which enabled PI assignments to non-ISPs, and SHIM6 stalled.  So now the plan is to use BGP, portable assignments, and DNS just like we always have.
> 

Its an evolution, given how far and how fast the internet has come compared to almost every other 'fast mover' technology - if the network fails to evolve, it will fail. But I guess I'm preaching to the collective choir on that ;)

> That has advantages and disadvantages, of course. But doesn't everything?

Indeed.

Cheers,
Terry