Re: [Simple] comments on draft-ietf-simple-view-sharing-00

[Salvatore Loreto <salvatore.loreto at ericsson.com>]

Hi,

I have finally read this draft, I like it.
I have a comment:

Section 2 states that
"The ACL can also list users in the originating domain that are 
authorized to subscribe
to that presentity, but who will end up receiving a different view"

I really do not understand the pro of provide this possibility compared 
with the scenario
where the ACL does not say anything about a particular watcher.
 From my point of view is just a discloser of information that does not 
provide any advance,
but maybe I am wrong.

/Sal


Michael Froman wrote:
> Hello,
>
> I have a few comments about draft-ietf-simple-view-sharing-00.  I  
> haven't seen any of this on-list (maybe I've missed it) so please  
> excuse me if you've already discussed this.
>
> --- #1 concern ---
> Sec. 4.2  What if (like in RLS using xcap) the information used to  
> construct the ACL is not nearby?  There appears to be no mode of  
> responding with "I'm working on it and I'll let you know."  The phrase  
> that specifically concerns me is "Furthermore, the initial state sent  
> by the presence agent MUST include an ACL document."  This is a  
> current problem in 4662 when used with xcap, and it would be nice to  
> avoid creating a similar problem in this spec.
>
>
> --- Other comments and concerns ---
> Sec. 2.  All the trust levels assume a whitelist auth model, what  
> about blacklists (especially in the Full Trust model)?
>
> Sec. 3.2.1  Trading inter-domain network traffic for higher server  
> load (and I'm guessing much higher) based on all the acl comparisons  
> and presence doc comparisons?  There is an entire class of reverse  
> lookups (finding all ACLs that might have referenced 'W' or worse  
> finding all the RLSs that have 'W') that have the potential to be  
> expensive.  Just making sure that's called out.
>
>
> --- Nits ---
>
> Sec. 3.1.3 'R' is not defined - maybe "This represents the view that  
> the watcher is supposed to receive." --> "This rule ID, R, represents  
> the view that the watcher is supposed to receive."
>
> Sec. 3.1.3 All the bullets should start with the same verb tense ("If  
> R is null" , "If R is not null", "If R was not null"...)
>
> -Michael.
>
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