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Re: WG Last Call: draft-ietf-v6ops-3gpp-cases-02.txt

A short & late review of draft-ietf-v6ops-3gpp-cases-02.txt:
I have no concern, only a comment and some editorial remarks.

The comment:
 IMHO the PDP PPP context finishing at the ISP NAS will be the
 more common GPRS scenario because regulatory bodies won't accept
 the mobile operator and the ISP will be the same entity, i.e.,
 customers should get the choice. This scenario is explicitely
 put out of the scope of the document in 4.1.

Typos & co:

 3.1 GPRS architecture basics 

   It also serves as the default router for the UE. 

=> It can also serve as the default router for the UE. 

 3.2

     - I-CSCF (Interrogating-CSCF) is the contact point within an 
        operatorĘs network for all connections destined to a subscriber 
        of that network operator, or a roaming subscriber currently 
        located within that network operatorĘs service area. 

=> ' characters were replaced by Ę (AE is latin 15).

 4.1 Figure 3

   +-------------+ 
    |             | 
    |     UE      |                                    +------+ 

=>

    +-------------+ 
    |             | 
    |     UE      |                                    +------+ 

 4.2 Figure 9

    +------+     +------+     +-----+        +-----+ 
    |      |     |      |     |     |        |     | 
    |  UE  |-...-|      |-----| IMS |--------|     | 
    |      |     | GGSN |     |     |+------+| IMS | 
    | IPv6 |     |      |     |     || IPv4 ||     | 
    +------+     +------+     +-----++------++-----+ 
                       Figure 9: Two IMS islands connected over IPv4 

=>

    +------+     +------+     +-----+          +-----+ 
    |      |     |      |     |     |          |     | 
    |  UE  |-...-|      |-----| IMS |----------|     | 
    |      |     | GGSN |     |     | +------+ | IMS | 
    | IPv6 |     |      |     |     | | IPv4 | |     | 
    +------+     +------+     +-----+ +------+ +-----+ 
                       Figure 9: Two IMS islands connected over IPv4 

 Acknowledgements 

   The authors would like to thank Basavaraj Patil, Tuomo Sipil„, Fred 
                                                               ^
   not an ASCII character

Informative references 

    Partnership Project (3GPP) Standards", September 2002, RFC3314.   

=>

    Partnership Project (3GPP) Standards", RFC3314, September 2002.   

Thanks

Francis.Dupont@enst-bretagne.fr