Re: AD comments on draft-ietf-rmt-bb-fec-revised-04

Magnus,

Ok, I will beef up the text on authentication.

...Mark


On 2/22/07 8:37 AM, "Magnus Westerlund" <[email protected]>
wrote:

> Mark Watson skrev:
>> 
>> 
>> Magnus,
>> 
>> Thanks for your comments and apologies for the delay in replying!
>> 
>> 1. Ok
>> 2. I have updated this to refer to "bulk data transfer over IP multicast".
>> "bulk data transfer" is the phrase used in RFC 2887 ("The Reliable Multicast
>> Design Space for Bulk Data Transfer")
> 
> Okay
> 
>> 3. I don't think there has been any recent discussion of this possibility. I
>> agree with you that it does not seem necessary to have dynamically
>> assignable FEC Payload ID types.
> 
> This is okay. If we see us consuming a lot of the space then one can fix
> this. But so far there is no mad rush for FEC Payload ID numbers.
> 
>> 4. Strictly, of course, you are right. However, the terms "length" and
>> "size" are commonly (ab)used to refer to things measured in bytes or
>> multiples of bytes and (more importantly) this term is already embedded in
>> several other standards (3GPP and DVB). I'd prefer to leave the term as it
>> is if we can to avoid confusion.
> 
> I can buy that argument.
> 
>> 5. I didn't quite follow the comment: The section recommends object
>> integrity and source authentication for the object and then recommends
>> packet authentication (e.g. TESLA). It doesn't refer to packet integrity
>> checking without authentication.
> 
> Re-reading section 11. My interpretation of this is that although the
> text mention source authentication is that it doesn't put enough stress
> on the need for authentication.
> 
> Cheers
> 
> Magnus Westerlund
> 
> IETF Transport Area Director & TSVWG Chair
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