[lacnog] [afnog] IPv 6 Point to Point at /64?

[Arturo Servin]

	Me encontre esto:

b. Point-to-point links should be allocated a /64 and configured with a /126 or 
/127

	De:

http://www.ipbcop.org/ratified-bcops/bcop-ipv6-subnetting/


	Pero me gusto lo del 112.
	
Slds
as

On 6 Jun 2012, at 21:08, Arturo Servin wrote:

> 
> On 6 Jun 2012, at 21:01, Fernando Gont wrote:
> 
>> Hi, Arturo,
>> 
>> On 06/06/2012 07:11 PM, Arturo Servin wrote:
>>> Sorry, we agree to disagree. I do not buy the waste of IPv6 addresses
>>> argument. 
>> 
>> Well, it *is* a waste of addresses if you have 2^^64 addresses
>> available, but you already know (from starters) that you'll only use at
>> most a handful of them.
> 
> 	I do not say that it is not a waste, I say that I do not buy the argument because we are already wasting addresses with SLAAC. So why bother with a hundreds of thousands p2p links if we are wasting millions in multiaccess networks. If we were really worried about waste, we were fixing SLAAC.
> 
>> 
>> 
>>> If it were, we should start reviewing SLAAC.
>> 
>> We probably should. :-) For instance, traditional SLAAC (embedding the
>> MAC address) is a bad idea.... And mechanisms such as
>> draft-ietf-6man-stable-privacy-addresses or RFC 4941 could be easily
>> adapted to non-/64 prefixes (although the larger the subnet space, the
>> higher the resulting "unpredictability")
> 
> 	For example.
> 	
> 
>> 
>> 
>> 
>>> The real problem with /64 IMHO is security; 
>> 
>> The security problems with /64s do not really have to do with the /64s
>> themselves, but rather with buggy Neighbor Discovery implementations
>> that are dumb enough to not enforce limits on the number of entries in
>> the Neighbor Cache, and that fail to implement appropriate garbage
>> collection for the Neighbor Cache.
> 
> 	Yes, it is.
> 
>> 
>> Cheers,
> 
> 	Today is IPv6 World Launch, and we agree!! We should have more!
> 	
>> -- 
>> Fernando Gont
>> SI6 Networks
>> e-mail: fgont en si6networks.com
>> PGP Fingerprint: 6666 31C6 D484 63B2 8FB1 E3C4 AE25 0D55 1D4E 7492
>> 
> 
> Cheers!
> as
> 
>> 
>> 
> 
> _______________________________________________
> LACNOG mailing list
> LACNOG en lacnic.net
> https://mail.lacnic.net/mailman/listinfo/lacnog

------------ próxima parte ------------
Se ha borrado un adjunto en formato HTML...
URL: <https://mail.lacnic.net/pipermail/lacnog/attachments/20120606/7f85249b/attachment.html>