[175070] in North American Network Operators' Group
Re: IPv6 Default Allocation - What size allocation are you giving out
daemon@ATHENA.MIT.EDU (Faisal Imtiaz)
Thu Oct 9 00:47:56 2014
X-Original-To: nanog@nanog.org
Date: Thu, 9 Oct 2014 04:45:18 +0000 (GMT)
From: Faisal Imtiaz <faisal@snappytelecom.net>
To: Mark Andrews <marka@isc.org>
In-Reply-To: <20141009044007.A75E6212E0D1@rock.dv.isc.org>
Cc: NANOG <nanog@nanog.org>
Errors-To: nanog-bounces@nanog.org
======================================
> > >Only short sighted ISP's hand out /56's to residential customers.
> >
> > I am curious as to why you say it is short sighted? what is the technical
> > or
> > otherwise any other reasoning for such statement ?
>
> 256 is *not* a big number of subnets. By restricting the number of subnets residences get you restrict what >developers will design for. Subnets don't need to be scares resource. ISP's that default to /56 are making them a >scares resource.
=======================================
So, this is more of a 'opinion' / 'feel' (with all due respect) comment, and not something which has a (presently) compelling technical reasoning behind it ?
Regards
Faisal Imtiaz
Snappy Internet & Telecom
7266 SW 48 Street
Miami, FL 33155
Tel: 305 663 5518 x 232
Help-desk: (305)663-5518 Option 2 or Email: Support@Snappytelecom.net
----- Original Message -----
> From: "Mark Andrews" <marka@isc.org>
> To: "Faisal Imtiaz" <faisal@snappytelecom.net>
> Cc: "Sam Silvester" <sam.silvester@gmail.com>, "NANOG" <nanog@nanog.org>
> Sent: Thursday, October 9, 2014 12:40:07 AM
> Subject: Re: IPv6 Default Allocation - What size allocation are you giving out
>
>
> In message
> <482678376.131852.1412829159356.JavaMail.zimbra@snappytelecom.net>,
> Faisal Imtiaz writes:
> > > A /60, /56, /52 or /48 allows the client to run multiple SLAAC
> > > subnets (16, 256, 4096 or 65536) and to have the reverse ip6.arpa
> > > zone delegated on a nibble boundary.
> >
> > Understood...
> >
> > > There is plenty of address space even handing out /48's to everyone.
> >
> > Also Understood.
> >
> > >Only short sighted ISP's hand out /56's to residential customers.
> >
> > I am curious as to why you say it is short sighted? what is the technical
> > or
> > otherwise any other reasoning for such statement ?
>
> 256 is *not* a big number of subnets. By restricting the number
> of subnets residences get you restrict what developers will design
> for. Subnets don't need to be scares resource. ISP's that default to
> /56 are making them a scares resource.
>
> Mark
>
> > Faisal Imtiaz
> > Snappy Internet & Telecom
> --
> Mark Andrews, ISC
> 1 Seymour St., Dundas Valley, NSW 2117, Australia
> PHONE: +61 2 9871 4742 INTERNET: marka@isc.org
>
