[LAC-TF] Fwd: BCP 157, RFC 6177 on IPv6 Address Assignment to End Sites

Arturo Servin aservin at lacnic.net
Mon Mar 28 19:51:12 BRT 2011


	Creo que entonces hay que trabajar en el 6177bis y decir que nos volvimos a equivocar.

	Si 6lowpan asume un /64 por dispositivo, entonces es posible que dependiendo para que se use, incluso un /48 (~65K) va a ser escaso.

Slds,
.as

On 28 Mar 2011, at 23:59, Antonio M. Moreiras wrote:

> Em certos deployments de 6lowpan, não se faz uso de um /64 por
> dispositivo? (Com route-over? Isso é realmente uma pergunta, não uma
> afirmação. Estou desatualizado no tema!)
> 
> Se isso for verdade, não seria difícil de imaginar algumas centenas ou
> mesmo milhares de /64 gastos com automação residencial.
> 
> O espírito da coisa é que deveria ser fácil para o usuário receber a
> quantidade de endereços, ou subredes, de que necessitar!
> 
> []s
> Moreiras.
> 
> Em 28/03/11 23:39, Arturo Servin escreveu:
>> 	Yo estoy de acuerdo con el RFC6177:
>> 
>> "While it seems likely that
>>   the size of a typical home network will grow over the next few
>>   decades, it is hard to argue that home sites will make use of 65K
>>   subnets within the foreseeable future ...
>> 
>>   … Hence, this document still recommends
>>   giving home sites significantly more than a single /64, but does not
>>   recommend that every home site be given a /48 either.
>> "
>> 
>> 	Sección 2.
>> 
>> -as
>> 
>> On 28 Mar 2011, at 22:52, JORDI PALET MARTINEZ wrote:
>> 
>>> Yo diria que ni uno ni otro.
>>> 
>>> Ambos son ejemplos y recomendaciones, igual que lo era el RFC3177.
>>> 
>>> Como comente el otro dia, un buen plan de direccionamiento es lo mas
>>> complejo y requiere muy buen conocimiento de la red. Ademas, tambien de
>>> los equipos, de los usuarios, de detalles del software.
>>> 
>>> Si tengo usuarios que ahora mismo obtienen con 6to4 /48, y soy un ISP que
>>> despliega IPv6 nativo, le voy a dar a los usuarios ahora un /56 ? Si yo
>>> soy usuario de ese ISP, me ire a la compentencia, y seguro que habra una
>>> compentencia mas "compentente". No hay ninguna excusa para dar menos de un
>>> /48, de hecho en alguna region se esta volviendo a discutir el cambiar de
>>> nuevo el /56 a /48 ... Ademas, hay hardware que no es muy amigable con el
>>> /56.
>>> 
>>> Pero bueno, alla cada uno con su modelo de negocio y cuando lleguen ISPs
>>> con mejores planes de direccionamiento y pierdan clientes por pensar que
>>> hay que restringir direcciones como en IPv4, aprenderan la leccion.
>>> 
>>> Saludos,
>>> Jordi
>>> 
>>> 
>>> 
>>> 
>>> 
>>> 
>>> -----Mensaje original-----
>>> De: "Harold de Dios T." <harold at telecom.noc.udg.mx>
>>> Responder a: <lactf at lac.ipv6tf.org>
>>> Fecha: Mon, 28 Mar 2011 14:41:45 -0600
>>> Para: <lactf at lac.ipv6tf.org>
>>> Asunto: Re: [LAC-TF] Fwd: BCP 157, RFC 6177 on IPv6 Address Assignment to
>>> End Sites
>>> 
>>>> Rompe o complementa lo descrito en el manual de Sander Steffann?
>>>> 
>>>> Saludos,
>>>> Harold.
>>>> El 3/27/11 1:12 PM, "Arturo Servin" <aservin at lacnic.net> escribió:
>>>> 
>>>> 
>>>> 
>>>> Creo que esto puede ser de utilidad para tomar en cuenta al momento de
>>>> hacer sus planes de direccionamiento de IPv6.
>>>> 
>>>> Como dato, este RFC y BCP sustituyen al RFC 3177.
>>>> 
>>>> Saludos,
>>>> -as 
>>>> 
>>>> Begin forwarded message:
>>>> 
>>>> From: rfc-editor at rfc-editor.org
>>>> Date: 27 March 2011 11:47:08 CEST
>>>> To: ietf-announce at ietf.org, rfc-dist at rfc-editor.org
>>>> Cc: v6ops at ietf.org, rfc-editor at rfc-editor.org
>>>> Subject: BCP 157, RFC 6177 on IPv6 Address Assignment to End Sites
>>>> 
>>>> 
>>>> A new Request for Comments is now available in online RFC libraries.
>>>> 
>>>>      BCP 157   
>>>>      RFC 6177
>>>> 
>>>>      Title:      IPv6 Address Assignment to End
>>>>                  Sites
>>>>      Author:     T. Narten, G. Huston,
>>>>                  L. Roberts
>>>>      Status:     Best Current Practice
>>>>      Stream:     IETF
>>>>      Date:       March 2011
>>>>      Mailbox:    narten at us.ibm.com,
>>>>                  gih at apnic.net,
>>>>                  lea.roberts at stanford.edu
>>>>      Pages:      9
>>>>      Characters: 21231
>>>>      Obsoletes:  RFC3177
>>>>      See Also:   BCP0157
>>>> 
>>>>      I-D Tag:    draft-ietf-v6ops-3177bis-end-sites-01.txt
>>>> 
>>>>      URL:        http://www.rfc-editor.org/rfc/rfc6177.txt
>>>> 
>>>> RFC 3177 argued that in IPv6, end sites should be assigned /48 blocks
>>>> in most cases.  The Regional Internet Registries (RIRs) adopted that
>>>> recommendation in 2002, but began reconsidering the policy in 2005.
>>>> This document obsoletes the RFC 3177 recommendations on the
>>>> assignment of IPv6 address space to end sites.  The exact choice of
>>>> how much address space to assign end sites is an issue for the
>>>> operational community.  The IETF's role in this case is limited to
>>>> providing guidance on IPv6 architectural and operational
>>>> considerations.  This document reviews the architectural and
>>>> operational considerations of end site assignments as well as the
>>>> motivations behind the original recommendations in RFC 3177.  Moreover,
>>>> this document clarifies that a one-size-fits-all recommendation of /48 is
>>>> not nuanced enough for the broad range of end sites and is no longer
>>>> recommended as a single default.
>>>> 
>>>> This document obsoletes RFC 3177.  [STANDARDS-TRACK]
>>>> 
>>>> This document is a product of the IPv6 Operations Working Group of the
>>>> IETF.
>>>> 
>>>> 
>>>> BCP: This document specifies an Internet Best Current Practices for the
>>>> Internet Community, and requests discussion and suggestions for
>>>> improvements. Distribution of this memo is unlimited.
>>>> 
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