RE: [dhcwg] Discussion of dhc WG rechartering for DHCP authentication

[pavan_kurapati <pavan_kurapati at infosys.com>]

Hi Alper,

Please find replies inline

Thanks,
Pavan
________________________________________
From: Alper Yegin [alper.yegin at yegin.org]
Sent: Friday, November 02, 2007 6:20 PM
To: pavan_kurapati; dhcwg at ietf.org
Subject: RE: [dhcwg] Discussion of dhc WG rechartering for DHCP         authentication

Hi,

>> 1. PANA needs considerable re-work like PANA snooping on DSLAM to install
>> L2 filters,

>How is setting up a different filter on the devices that already know how to
>setup filters considered a "considerable re-work"? I'd appreciate if you can
>tell us how this is anything more than simply setting up a filter rule.

I was talking about introducing another element in DSLAMs to apply filters (IP/MAC) based on PANA in addition to what it does by doing DHCP snooping.   I am not saying that it is not doable. I am just saying that it is an additional work whereas there is no change required in case of DHCP based solution.

>> and PANA support on RG,BNG

>I hope you are aware that what appears like saving PANA implementation on RG
>and BNG are in fact coming back in the form of DHCP growing PANA from within
>-- with all the problems associated with that unfortunate merger.

>> and also a tweak in the way DHCP
>> functions.

>Please explain this one. I'm not sure what you are referring to.

After receiving DHCP offer, the client takes the offered IP address and PAA address and initiate PANA (instead of doing traditional Request/Ack process and then make use of the IP address). This is one tweak. And then based on PANA result you restart the DHCP Discover process and take the other IP address. So, isnt there a change in the way DHCP is done?

Thanks.

Alper





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