Re: [Dime] DiME ERP - Getting the message flows right

["Hannes Tschofenig" <Hannes.Tschofenig at gmx.net>]

Hi Qin, 

>[Qin] Figure 1 is the full EAP authentication as described in 
>the section 3. It is not ERP.

Not sure how relevant a pure EAP method exchange is. 


>
>> 
>> 
>>   Peer               Diameter ERP Client                ERP Server
>>   ====               =============                      ======
>> 
>>    [<-- EAP-Initiate/ -----
>>        Re-auth-Start]
>>    [<-- EAP-Request/ ------
>>        Identity]
>> 
>> 
>>    ---- EAP-Initiate/ ----> ----AAA(EAP-Initiate/ ---------->
>>          Re-auth/                  Re-auth/
>>         [Bootstrap]              [Bootstrap])
>> 
>>    <--- EAP-Finish/ ------> <---AAA(rMSK,EAP-Finish/---------
>>          Re-auth/                   Re-auth/
>>        [Bootstrap]                [Bootstrap])
>> 
>>   Note: [] brackets indicate optionality.
>> 
>>                          Figure 2: ERP Exchange
>> 
>> 
>> [New Diameter ERP application in action.]
>[Qin] I agree, Bootstrapping is one scenario to explain why we 
>need ERP?  However I wonder for the regular EAP authentication,
>We also need to consider bootrapping case, is that right?

We need to cover all the ERP scenarios. 

In the DIME document we don't have to explain why ERP is useful and why it
is needed. 
That info should be contained in the HOKEY documents. 


Ciao
Hannes