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F R E N D Z of martian
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Martin wrote:
> For that matter, a database could be seen as a
> region of shared memory (the patent specifically
> includes files as shared memory) and in the
> case of ObjectStore, which is just a huge virtual
> memory pager with database-type locking (I'm sure
> Doug [err interactive dudes, that's not the one at
> Circle, it's a techie from Object Design] will let
> me know if that's wrong), the difference becomes
> exceedingly unclear.
That's a fair one sentence description of ObjectStore: a distributed virtual memory
management system with page-level locking and client-side caching.
At first glance the patent does appear remarkably similar to a combination of
ObjectStore and ObjectForms (the HTML templating mechanism which provides for easily
getting data out of ObjectStore and into a web page). What the patent describes is
more or less the same approach that we use at most big web sites built on ObjectStore.
The main difference, and I would guess the reason why they stress memory mapped files
in the patent, is that with ObjectStore the data is served page-by-page from a central
server and then cached locally in virtual/real memory. Likewise, I'm sure people have
built similar arrangements around other databases.
--
Doug
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