Re: [mif] Route option for DHCPv6 - next steps?

[Maglione Roberta <[e-mail]>]

> It would help to complete this argument if you unpacked the details here.   > Why is RA so much more expensive than DHCP in this case?   I get the sense > that this is obvious to the people who are promoting various DHCP route
> options, but it clearly isn't obvious to people who aren't network
> operators, so more detail is needed.

Because in order to be able to use RA's you would need to somehow provision each single BNG (the router that is supposed to send the RA) with the route information to be sent into RA's for all the subscribers and if, for any reason, you need to move a subscriber from one BNG to another you would need to re-provision the same information on the other BNG.

While with DHCPv6 you can have a single centralized provision point and no additional configuration required on the BNG.  This is an operational difference for an operator.

Best regards,
Roberta

-----Original Message-----
From: [e-mail] [mailto:[e-mail]] On Behalf Of Ted Lemon
Sent: lunedì 23 aprile 2012 15.38
To: Arifumi Matsumoto
Cc: MIF List Mailing
Subject: Re: [mif] Route option for DHCPv6 - next steps?

On Apr 23, 2012, at 5:31 AM, Arifumi Matsumoto <[e-mail]> wrote:
> I said, "From the access network provider perspective".
> It is the cost they have to pay that matters to them.

It would help to complete this argument if you unpacked the details here.   Why is RA so much more expensive than DHCP in this case?   I get the sense that this is obvious to the people who are promoting various DHCP route options, but it clearly isn't obvious to people who aren't network operators, so more detail is needed.

> AFAIK, only Windows Vista and above supports RFC 4191 by default, though.

This is not a good argument.   Windows Vista is ancient.   We can't define IPv6 in terms of the functionality present in Windows XP.

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