[arin-discuss] IPv6 End User Assignments

[Berton]

Ok reading now
------Original Message------
From: Garry Dolley
Sender: arin-discuss-bounces at arin.net
To: Chris Gotstein
Cc: arin-discuss at arin.net
Subject: Re: [arin-discuss] IPv6 End User Assignments
Sent: May 11, 2009 4:07 PM

On Mon, May 11, 2009 at 02:00:31PM -0500, Chris Gotstein wrote:
> Garry Dolley wrote:
>
>> Yeah, I understand what you're saying now.  I've been reading RFC
>> 3177 and 5375, and indeed /48 is the standard assignment.  I won't
>> plan to assign /64's to my customers b/c I can't be sure they are
>> not going to want to subnet, therefore I should give them the room
>> to do that with a /48.
>> To those on the list that mentioned they are defaulting to /64's, I
>> suggest you read RFC 3177 and 5375, and consider /48's.
>
> When you are referring to customers, does this apply to residential 
> end-users connected via, cable, dsl, etc?

Yes.

RFC 5375 ("IPv6 Unicast Address Assignment Considerations")
specifically mentions residential sites / customers:

"Consider assigning more than one /64 to a site - A small site may
want to enable routing amongst interfaces connected to a gateway
device.  For example, a residential gateway that receives a /48 and
is situated in a home with multiple LANs of different media types
(sensor network, wired, Wi-Fi, etc.), or has a need for traffic
segmentation (home, work, kids, etc.), could benefit greatly from
multiple subnets and routing in IPv6.  Ideally, residential networks
would be given an address range of a /48 or /56 [RIPE_Nov07] such
that multiple /64 subnets could be used within the residence." [1]

1. RFC 5375, Section 2.4 "Network-Level Design Considerations"


-- 
Garry Dolley
ARP Networks, Inc. | http://www.arpnetworks.com | (818) 206-0181
Data center, VPS, and IP Transit solutions
Member Los Angeles County REACT, Unit 336 | WQGK336
Blog http://scie.nti.st
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