On Jul 30, 2007, at 8:36 PM, Qian Sun wrote:

Hi, Dean

Sorry for late response. Do you mean "advertisement" content always is needed to 'render'? So a single content disposition "advertisement" is enough.

Well, I'm wondering if advertisements have any other need than "render". If not, why not just use "render"?

If we define an "advertisement" content disposition, we might as well call it "ignore", in which case there's hardly any point in sending it to start with, right?

Although I must admit I'm intrigued by the prospect of getting advertisers to self-label stuff so that it can be discarded as efficiently as possible.

In addition, some content body (e.g. Geolocation or advertisement) may be inserted or modified by intermediary. Could we specify a common way for indicating the source of inserted content body? For example, define a new MIME header: Content-Insertedby. A B2BUA may insert a content body including AD like this:

Content-Type: text/plain
Content-Disposition: advertisement
Content-Insertedby: AD-Agent <sip: [EMAIL PROTECTED]>

I'm sure there has been discussion of this in geopriv, but I don't recall the details. I suspect there have been concerns about mismatches between the "source" and the "information".

--
Dean



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