Re: [search-ws] eliminate version parameter

["Ray Denenberg, Library of Congress" <rden@loc.gov>]

I'm certainly in favor of initiating a thread on the SRU list:

DRAFT
-----------------------------------------
There is a suggestion to eliminate the version parameter (for the same
reason that it is proposed to eliminate the operation parameter).    The
version parameter in SRU is based on the assumption that the same base URL
would be used for multiple versions of the protocol, and SRU prescribes a
mechanism to allow different versions to attempt to interoperate. Instead,
different base URLs could be used for different versions, base URLs and
corresponding versions exposed via explain, and then a client would know the
version of a server, so there would never be a mismatch.





----- Original Message ----- 
From: "LeVan,Ralph" <levan@oclc.org>
To: "Ray Denenberg, Library of Congress" <rden@loc.gov>;
<search-ws@lists.oasis-open.org>
Sent: Thursday, November 15, 2007 10:46 AM
Subject: RE: [search-ws] eliminate version parameter


The need for a version number is based on the idea that you'd use the
same URL for multiple versions of the protocol.  Change the URL for
incompatible versions and the version number is no longer necessary.

I'm not concerned about dropping it.

Ralph

-----Original Message-----
From: Ray Denenberg, Library of Congress [mailto:rden@loc.gov]
Sent: Thursday, November 15, 2007 10:00 AM
To: search-ws@lists.oasis-open.org
Subject: [search-ws] eliminate version parameter

Note the suggestion on the SRU list to drop the version parameter.   I
responded that doing so would take away the ability for different
versions
to interoperate.   But thinking more about it more, I'm not sure.

This would take some thinking through - using different base URLs to for
different versions, and exposing the names and versions via explain, a
client would know the server version so there would never be a mismatch.

I think eliminating the version parameter makes sense.

What do you think?

--Ray


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