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Date:      Mon, 10 Jun 2002 21:48:32 -0700
From:      Terry Lambert <tlambert2@mindspring.com>
To:        "Jeremy C. Reed" <reed@reedmedia.net>
Cc:        freebsd-chat@freebsd.org
Subject:   Re: AvantGo user-agent
Message-ID:  <3D058120.B47C110F@mindspring.com>
References:  <Pine.LNX.4.43.0206102005480.18181-100000@pilchuck.reedmedia.net>

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"Jeremy C. Reed" wrote:
> I've read some about AvantGo, but I have never used it (and I don't use
> any handheld computer).
> 
> I've been seeing a lot of AvantGo references in my Apache logs, like
> user-agent:
> 
> "Mozilla/3.0 (compatible; AvantGo 3.2)"
> 
> Usually they are from the same (or close) IPs. (And recently, generally
> they are requesting the same webpages and linking from Google's new
> glossary search.)
> 
> Does anyone here use AvantGo?
> 
> Or does anyone notice a lot of AvantGo in their web server access logs?
> 
> What exactly is this?

I don't use it... I don't use wireless PDA's (or PDA's, for that
matter).

But what you are actually seeing with your clustered IP addresses
are the IP addresses of the transcoding proxies that attempt to
intelligently reformat the data to take into account the
insufficient and miniscule screens of PDA's.

You'll see repeat accesses from the same IP addresses for any
active content, even if the content is supposedly cacheable,
because different clients will end up requesting the same data,
so it will appear to come from the same client, which is actually
the proxy.

If this is an issue for you, then make your content cacheable,
and it will greatly cut down on your traffic, as AvantGo serves
it to the clients out of cache.

IMO, PDA-based web browsing isn't very useful.

-- Terry

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