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   Re: Distributed DOM implementations

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  • From: Tyler Baker <tyler@infinet.com>
  • To: Dave Winer <dave@userland.com>
  • Date: Wed, 27 Jan 1999 21:04:20 -0500

Dave Winer wrote:

> That's a very interesting idea! If we (UserLand) did this, it would not be
> free, but it could be very high level and quite powerful. Flip a switch and
> all of a sudden your code is working against data on the server. Can you
> say what kind of application you have in mind for this? Dave
> At 02:57 PM 1/27/99 -0800, you wrote:
> >Hi,
> >
> >       I would like to find out if there are any known distributed
> >implementations of DOM (and free). What I mean by this is an ability to
> >access remote XML documents through a DOM interface but not by
> >downloading and parsing them locally. Instead I need a parser or
> >whatever (e.g. OODB wrapper) on the other end to give me result of the
> >DOM commands only.
> >

A company called ObjectSpace that I am sure many people here are familiar with has
a product called Voyager that has an architecture that is ideal for a distributed
DOM implementation.  The proxies to the remote objects are generated dynamically
and for the most part the concept of a remote object and a local object is
transparent.  I have heard that ObjectSpace will be riding the XML wave like
everyone else, so perhaps you should ask these folks what their plans are.  As
many people know ObjectSpace wrote the JGL (Java Generic Library which is now
officially known by some other name because SUN had some trademark squabbles)
which is inherently distributed when used within Voyager.  For them to write a
distributed DOM implementation would be pretty simple.  In fact, for anyone to
write a distributed DOM implementation using Voyager would probably be pretty
painless as well.


P.S. - I have no affiliation whatsoever with ObjectSpace so these are purely my
objective opinions.

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