I don't prefer any delay in getting out a first release of a PAWS protocol. We 
already know the protocol must be extendable and new requirements from 
regulators will be on the horizon. So I suggest to continue with our work, 
based on current charter. Meanwhile, we can discuss extensions.

On 1: I don't play soccer. Let's continue fulfilling our current task.
On 2: We can work on new documents for additional requirements and protocol 
extensions. No WG adoption yet.
On 3: Let's do this in parallel. When having candidate documents and a new 
charter, it shouldn't take much time to get this published.

Thanks, Teco

Op 10 mrt. 2012, om 08:44 heeft <[email protected]> <[email protected]> 
het volgende geschreven:

> When we started this paws effort not that long ago, the whole purpose was to 
> define a protocol which can help devices make use of white spaces, according 
> to rules set by the regulators. The charter we came up with covered the 
> regulatory requirements available at the time of writing, and we did not 
> anticipate requirements like the one Ofcom came up with recently. That is why 
> we do not have, as Pete pointed out, explicitly listed an item for the client 
> devices to report back anything to the server. We do have, however, the 
> following sentence in the charter: 
> " In order to ensure that the WG takes into account a broad range of possible 
> use cases and
> requirements, the group should also reach out to other potential
> "customers" for a white space database access method and consider input
> from regulatory entities that are involved in the specification of the rules "
> It just does not say how the inputs from regulatory entities are to be 
> considered ...
> 
> I would put aside the solution proposals on whether the client should use an 
> acknowledgement message or a separate transaction for reporting back, what 
> exactly to report, etc, and consider for the time being that we have a 
> requirements document and this whole thread started with Andy proposing new 
> requirements the be added there to meet Ofcom requirements.
> 
> I see the following possibilities:
> 1. ignore the Ofcom requirements on channel reporting back to the db. I 
> believe, if we choose this path, then the protocol we'll design will not meet 
> the original goals, and we may just as well go home and play soccer instead
> 2. try to fit the Ofcom requirements into the charter. One could argue this 
> is possible, as the Ofcom requirements do not specify what the db is supposed 
> to do with that data, we could consider it is just for informational 
> purposes. We've seen both pro and con opinions on this on the list, so we 
> could continue to argue. But since both the outgoing and incoming AD thinks 
> this is not the way to go, I do not see much hope we can succeed on this path.
> 3. go back to iesg and modify the charter to include the channel reporting 
> back to the db aspect. If we do this, we can then include the relevant 
> requirements into the reqs draft, issue a new wglc and start the work on the 
> protocol itself. I see this the fastest and least controversial (at least 
> from the ADs pow) path.
> 
> So what do folks, who believe they know the ietf process well enough, prefer? 
> I am just trying to get the wg out of this deadlock situation, so please be 
> constructive.
> 
> - Gabor
> 
> 
> 
> -----Original Message-----
> From: [email protected] [mailto:[email protected]] On Behalf Of ext 
> Pete Resnick
> Sent: Friday, March 09, 2012 7:57 AM
> To: Gerald Chouinard
> Cc: [email protected]
> Subject: Re: [paws] WGLC 
> fordraft-ietf-paws-problem-stmt-usecases-rqmts-03:channel reporting
> 
> Folks,
> 
> Fair warning as your incoming AD, but also as a current AD who thought he 
> understood what work this group was chartered to do:
> 
> The group is chartered to do (1) database discovery, (2) database access, (3) 
> data formats for that database access, and (4) security for that database 
> access. The charter also describes what that database access is like: (a) 
> provide geolocation and other info to query the database, and (b) receive the 
> whitespace that can be used.
> 
> Insofar as what this charter only allows for protocol that is about database 
> discovery and database access, the so-called "acknowledgment" 
> you all are talking is either writing back to the database (if the 
> "acknowledgment" data gets saved into the same database) or is 
> non-database-access protocol to talk to a third party. In either case, I, as 
> an AD, would be extremely surprised to find out either that the database was 
> writeable by the client (that was not my understanding of the query described 
> in the "rough outline of the protocol" section of the charter) or that there 
> was to be additional protocol that sent data from the client to a third 
> party. There is a whole new set of considerations on such protocol (e.g., 
> Does the information sent back from the client need TTL values? Is there a 
> renewal process on the data after some time? What if there are multiple 
> clients accessing at the same time and they choose the same value? Can the 
> response get back an error and the client has to choose something different?).
> 
> If you wish to take on this work, you need to go back to the IESG and 
> re-charter. That's fine: If the WG feels that this piece of protocol is 
> required in order to make the rest of the protocol at all useful, now is the 
> time to tell the IESG that and figure out how to write it into the charter. 
> But doing this work without a charter change is going to cause heartache 
> later.
> 
> pr
> 
> --
> Pete Resnick<http://www.qualcomm.com/~presnick/>
> Qualcomm Incorporated - Direct phone: (858)651-4478, Fax: (858)651-1102
> 
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