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From Ryan Bloom <>
Subject Re: zlib inclusion and mod_gz(ip) recap
Date Sat, 08 Sep 2001 15:28:24 GMT
On Saturday 08 September 2001 01:33, Justin Erenkrantz wrote:
> On Fri, Sep 07, 2001 at 09:08:20PM -0700, Ryan Bloom wrote:
> > I also do not believe that we should be making this decision right now. 
> > I am 100% in agreement with Jim about this.  We should table this whole
> > discussion until emotions have calmed, the patent issue has been finally
> > resolved (Dirk told me today that he knows of two patents, and he would
> > post about them), and Apache 2.0 has shipped.
> On the zlib main site (
> zlib is designed to be a free, general-purpose, legally unencumbered --
> that is, not covered by any patents -- lossless data-compression library
> for use on virtually any computer hardware and operating system.
> Not to say that they may not be wrong, but their view seems to be
> that zlib and its algortihms aren't covered by any compression
> patents.  I don't know if this helps at all.  -- justin

Compression isn't the only place that patents can happen that would affect
this.  The patents that Dirk mentioned to me, were for serving content that
was dynamically compressed.  As I said though, I haven't actually read the
patents yet, because I don't have their numbers.  Dirk said he had posted them,
but I can't find it in my mailbox, so I am assuming I deleted it.  He promised to


Ryan Bloom
Covalent Technologies

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