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Re: Flow of messages

From: Lorrie Cranor <lorrie@research.att.com>
Date: Thu, 5 Sep 2002 14:20:54 -0400
Message-ID: <012501c25508$f9428220$9816cf87@barbaloot>
To: <trivedi@india.hp.com>, <www-p3p-policy@w3.org>

The order of the flow depends on the P3P user agent.
The P3P specification allows user agents to make
P3P requests before, after, or in parallel with requesting
the content. So there is some variation among user agents.
In the case of a site that uses only link tags, there is no choice
but to request the P3P policy after retrieving the content.

Lorrie


----- Original Message ----- 
From: "Ravi Trivedi" <trivedi@india.hp.com>
To: <www-p3p-policy@w3.org>
Sent: Thursday, September 05, 2002 2:15 PM
Subject: Flow of messages 


> 
> Hi,
>    I was wondering what is the exact flow of messages in case the policy
> reference file is not in its correct location and is instead specified by
> the policyref header in HTTP. Here is what I got, please let me know your
> comments on this.
> 
> 1) GET /w3c/p3p.xml HTTP1.1
>   Host : www.hp.com
>   Accept:*/*
> 2) HTTP/1.1 404 Not Found
>    P3P: policyref=http://www.hp.com/P3P/PolicyReferences.xml
>    .............
> 3)
> GET /P3P/PolicyReferences.xml HTTP1.1
> Host : www.hp.com
> 4) Recieve Policy Reference file
> http://www.hp.com/P3P/PolicyReferences.xml
> 5) Request P3P Policy file
> GET /w3c/policy1.xml HTTP1.1
> Host : www.hp.com
> 6) Send  P3P policy file
> http://www.hp.com/w3c/policy1.xml
> *******Now the normal message exchange proceeds*********
> 7) GET /index.html HTTP1.1
> Host : www.hp.com
> Accept:*/*
> 
> What happens to the flow in case link tag is used ....
> 
> Regards,
> Ravi
> 
> 
> 
> 
> 
Received on Thursday, 5 September 2002 14:29:52 GMT

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