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Re: PROV-ISSUE-52 (provenance-source-equal-treatment): why handling provider and third parties differently? [Accessing and Querying Provenance]

From: Luc Moreau <L.Moreau@ecs.soton.ac.uk>
Date: Fri, 29 Jul 2011 08:22:11 +0100
Message-ID: <EMEW3|ce72a8024477c3cd977b962ef9cf4eabn6S8MH08L.Moreau|ecs.soton.ac.uk|4E325FA3.9070002@ecs.soton.ac.uk>
To: public-prov-wg@w3.org
Hi Graham,

The justifications are important, but I don't understand them. Can you 
clarify?

On 07/28/2011 03:55 PM, Graham Klyne wrote:
> One might say:  why not use third party mechanisms for everyone?  I 
> suggest:
> (1) the third party solutions are more complex to deploy

More complex to deploy? can you explain why?

> (2) the third party solutions impose considerable additional network 
> traffic and processing overhead compared with provider-based solutions

Considerable additional network traffic?  In my view, one HTTP GET 
(instead of your HTTP HEAD).
So what's the network traffic overhead?

What about the processing overhead?  I don't see it.

Thanks,
Luc

-- 
Professor Luc Moreau
Electronics and Computer Science   tel:   +44 23 8059 4487
University of Southampton          fax:   +44 23 8059 2865
Southampton SO17 1BJ               email: l.moreau@ecs.soton.ac.uk
United Kingdom                     http://www.ecs.soton.ac.uk/~lavm
Received on Friday, 29 July 2011 07:22:53 GMT

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