Re: [xml-dev] Objections to / uses of PSVI?

From
Thomas B. Passin <>
To
xml-dev <>
Date
2002-05-15T11:45:05Z
ID
<000201c1fc0b$e1f193f0$0bf13044@tbp>
Thread
Re: [xml-dev] Objections to / uses of PSVI?
[Eric van der Vlist]

> On Wed, 2002-05-15 at 00:46, Ronald Bourret wrote:
> > I am having trouble understanding two things in this entire discussion:
> .../...
> > Am I missing anything else here?
>
> Yes, I think so. Using the PSVI (at least with the current
> underspecification of its API and|or serialization) implies defining a
> W3C XML Schema for all your documents and some applications may want or
> need to use other schema languages or no schema at all.
>
> Except for DBMS which *requires* a schema definition for their physical
> storage, this requirement to write a formal definition of the data
> structures outside the applications is quite unique IMO and I am not
> even sure that this approach can be successfull or even if it is
> something that we should wish.

ASN.1 requires external schemas so that data structures can be coded.  CORBA
requires IDL.

Cheers,

Tom P