[arin-discuss] Trying to Understand IPV6

[Tom Bourgeois]

We've already received our first /32 allocation, I was thinking that
this would be the last allocation we would ever need. Since we're a
cable TV provider we are somewhat at the mercy of DOCSIS and CableLabs
as to how v6 addresses will be distributed as well as the companies that
create the provisioning software.  I guess I need to start that
discussion first with the provisioning software developers.  Last I
heard they were still about 6 months out (their estimate) from having
anything to play with.  Compared to our cable plant, the metro ethernet
customers sound easy... A /64 on the WAN and a /48 on the LAN unless I'm
missing something.

-----Original Message-----
From: Owen DeLong [mailto:owen at delong.com] 
Sent: Tuesday, September 14, 2010 11:25 AM
To: Tom Bourgeois
Cc: arin-discuss at arin.net
Subject: Re: [arin-discuss] Trying to Understand IPV6

Tom,

If you know you have 115k customers, you should request more than a /32
to begin with. Probably something approaching a 30 or a /29 under
current policy. I am soon going to be drafting a  policy proposal that
supports the notion of rounding up to nibble boundaries in order to
provide better guidance to ISPs on right-sizing their requests and also
to provide better human factors engineering in the address space
overall.

Owen

On Sep 14, 2010, at 7:23 AM, Tom Bourgeois wrote:

> 
> 
> ________________________________
> 
> From: arin-discuss-bounces at arin.net
> [mailto:arin-discuss-bounces at arin.net] On Behalf Of Ron Cleven
> Sent: Tuesday, September 14, 2010 9:49 AM
> To: arin-discuss at arin.net
> Subject: Re: [arin-discuss] Trying to Understand IPV6
> 
> 
> I was with you right with you (assign /48 to every customer, no
> exceptions) up until you came up with the big-isp exception (assign 
> /56 to private residences).
> 
> Why would Comcast (using your example) customers get "only" a /56?
> 
> Is there something wrong with the math (are big-isp's going to run out

> of /48's)?
> 
> If it is ok for Comcast customers to get /56's, why isn't it ok for 
> all other private residences to get /56's (what are the /56 customers 
> giving up)?
> 
> As usual, I am horribly confused.
> 
> Ditto.  We currently have around 115k residential data subs in 
> addition to a few thousand business customers.  Compared to the 
> Comcasts, AT&Ts, and Time Warner's of the world we're definitely on 
> the small side but if I give everyone a /48 then I guess I need to go 
> back and get a couple more /32s soon.  I guess I don't see the huge 
> problem with aggregation on our local plant.
> 
> michael.dillon at bt.com wrote:
> 
> 
> 
> 	
> 	It is very typical. /48 to every customer, no exceptions. If a 
> customer
> 	wants less, assign them a /48 anyway and only tell them the
first 
> part
> 	of the prefix. When they get wiser, tell them the /48 that you 
> 	"reserved" for them. 
> 	
> 	The non-typical case is an ISP with very large numbers of
residential
> 	customers (something like Comcast for instance) where it makes
sense
> 	to assign /56 to private residences and /48 to everyone else.
> 	
> 	  
> 
> 
> _______________________________________________
> ARIN-Discuss
> You are receiving this message because you are subscribed to the ARIN 
> Discussion Mailing List (ARIN-discuss at arin.net).
> Unsubscribe or manage your mailing list subscription at:
> http://lists.arin.net/mailman/listinfo/arin-discuss
> Please contact info at arin.net if you experience any issues.