Hosnieh,

> Would you please send me your comments on our draft (presentation today) to 
> my email address, so that I can review them and provide you with answers.

Two suggestions/comments to you:

1. I would suggest that you add a section titled something like "Problem 
Statement" at the beginning after the Introduction and Conventions sections and 
before the "Algorithm Overview" that explains in more detail the problem you 
are trying to solve.   You have a bit of this in the Introduction and more in 
the "Security Considerations" section at the end, but I would suggest bringing 
it all together in a section that explains why people would use your proposal. 
You might want to have several sub-sections that enumerate different use cases 
(as you have done in the current Security Considerations section) and explain 
how CGA-TSIG would address those solutions.  You might also want to briefly 
note in here situations that are NOT solved by CGA-TSIG.

It seemed to me from listening to the IETF85 discussion that this point of what 
problem precisely you are trying to solve was hard for a number of people 
(myself included) to easily understand.

2. The section currently titled "Security Considerations" seems to actually be 
some of the potential use cases for CGA-TSIG.  In my view, this section should 
really be about security considerations *related to* your CGA-TSIG proposal.  I 
would suggest moving these use cases to the new section I suggest you create in 
my earlier point.  

I would then suggest outlining in this Security Considerations section points 
such as:

- how can CGA-TSIG be attacked?
- can CGA-TSIG be spoofed?
- are there other network considerations that need to be in place for CGA-TSIG 
to be secure? 
- do the use of these addresses provide any added privacy benefits?

I'm just making these questions up, but you get the idea.... if you think like 
an attacker, how can he or she break CGA-TSIG or potentially use it for 
nefarious purposes?

Regards,
Dan

-- 
Dan York  [email protected]
http://www.danyork.me/   skype:danyork
Phone: +1-802-735-1624
Twitter - http://twitter.com/danyork



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