v6 subnet size for DSL & leased line customers

Mark Smith nanog at 85d5b20a518b8f6864949bd940457dc124746ddc.nosense.org
Fri Dec 28 05:19:26 UTC 2007


On Fri, 28 Dec 2007 13:36:56 +0900
Adrian Chadd <adrian at creative.net.au> wrote:

> 
> On Fri, Dec 28, 2007, Mark Smith wrote:
> 
> > Once I realised that IPv6's fixed sized node addressing model was
> > similar to Ethernet's, I then started wondering why Ethernet was like
> > it was - and then found a paper that explains it :
> > 
> > "48-bit Absolute Internet and Ethernet Host Numbers"
> > http://ethernethistory.typepad.com/papers/HostNumbers.pdf
> > 
> 
> Question. Whats the ethernet 48-bit MAC space usage atm? Does anyone
> have a graph showing an E-Day? :)
> 
> 

Apparently there's a foreseeable one, hence EUI-64s. Novell'll have to
extend their IPX node addressing to 64 bits.

Regards,
Mark.

-- 

        "Sheep are slow and tasty, and therefore must remain constantly
         alert."
                                   - Bruce Schneier, "Beyond Fear"



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