[Mobopts] Re: [Mip6] Review of draft-irtf-mobopts-ro-enhancements-00

 In your previous mail you wrote:

    > => a general problem in MIPv6 specs is there is no explanation about
    > when a BA should be asked (always with the HA, and with a CN only when
    > the previous CoA no more works).
   

   you are saying that the MN should request a BA from the CN when the    previous CoA doesn't work any more. Is this specified in RFC 3775 as such?    

=> no but it should be even it is common sense.

   Whether or not it's in RFC 3775, what you say makes sense IMO.    

=> good implementations (argh, I'll loose some friends :-) should not
blindy put and not put the BA ask flag...

   I don't think RFC 3775 mention this, however. There is just the last    paragraph on page 133...    

=> it explains what is the effect for the flag, not really when it should
be set to one.

Regards

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Francis.Dupont@enst-bretagne.fr

PS: I mentioned this because IMHO it is one of the killing details which is (was now :-) nowhere.