Re: [Mip6] draft-dupont-mip6-dhaadharmful-00.txt

[Vijay Devarapalli <[e-mail]>]

Gerardo Giaretta wrote:

>>What does prevent the MN to contact the HA he wants? Nothing 
>>as far as I
>>can see.
>>
> 
> 
> I agree. This is true also for DHAAD. 
> Besides the motivation why a MN will prevent another HA that is
> theoretically more loaded, the operator may let the HA refuse the IPsec
> SA setup during IKEv2 through its AAA infrastructure. But I agree this
> is not a clean approach.
> 
> 
>>> Otherwise, in integrated scenario, 
>>>DHCP can be used. As mentioned before, if you need a very 
>>>strict control on the HA assignment by the operator, IMHO the 
>>>best way is to perform it during network access 
>>>authentication, but unfortunately this is not a general solution.
>>
>>Agree. But I think a operator must have the possibility to 
>>assign the HA
>>in any cases.
>>
> 
> 
> DHCP-based solution seems to achieve this. Do you see any issue on that?

yes. DHCP based solution would require the Operator to
first update the access network too. what many operators
would like to do (initially atleast) is to just plug in
a HA and introduce new mobile devices that can use the
new features. no upgrades anywhere else.

Vijay


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