NONE: Re: ONLINE-ADS>> cache counting standards
Re: ONLINE-ADS>> cache counting standards
Ulrich Voss (voss_at_vocalweb.de)
Sat, 6 Jun 1998 20:31:14 +000
Larry Peryer wrote:
> I was recently speaking with a colleague at MatchLogic and we were
> discussing the upcoming IAB conference. Talk turned to the various
> proposals. I guess the cache counting spec that one company has proposed to
> the IAB directly conflicts with MatchLogic's patent-pending TrueCount
> technology.
Hi,
I have never read anything really specific about Matchlogic TrueCount
technology on their website. The best you can get is this:
"TrueCount basically adds a very small, very lightweight
element to the header on the content to be
counted. When the content is cached, this
lightweight element maintains the ability to
act independently of the content -- even
while the content itself remains safely
stored on a proxy server. Later, when the
proxy server delivers this stored content to
a second, third, fourth, or even fifty-fifth
user, this lightweight element acts like a
messenger. It goes out into Cyberspace and
"pings" one of our TrueCount servers, telling
it that a page or banner was served from a
proxy's cache. Our servers then translate
this information into useful data for
advertisers or Web sites who want accurate
measurement."
Does this conflict with the "URL redirect" solution, which is an RFC
on the IAB site? Adding an 1*1 pixel-wide GIF, that is almost
uncachable, is what we use here and what the IAB proposes.
Are Matchlogic's patents older than the cache busting technology we
use in Germany? Our technique is quite similar to the IAB proposal.
And it's working since 96, if I remember correctly. So I think
Matchlogic has a problem, if they think they have a patent on
"pragma: no-cache" headers ...
Matchlogic solution seems to be not that far away from the other
solution, but as long as they don't tell you *exactly* what they use,
nobody will really know.
(BTW. I wrote a comment to the IAB guy named in the proposal, and
suggested, that it could be better to just adopt the German solution.
It's free, it works, it's there! I never got an answer, perhaps it's
not cool enough to acknowledge, that the thinking has been done
before ;-) ).
Ulrich Voss
<voss_at_vocalweb.de>
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