Farrukh, that document is a preliminary draft, 12 years old. And it is as
far as ZDSR got. There is no official Z39.50 specification addressing
distrbuted search.   

There was some work on metasearch for SRU done in NISO a few years ago.
There was a profile developed, but I can't find it easily. Ralph can help.
(Or I'll find it when I get back Monday.)



-----Original Message-----
From: SRU (Search and Retrieve Via URL) Implementors [mailto:[log in to unmask]] On
Behalf Of Farrukh Najmi
Sent: Saturday, February 28, 2009 6:12 PM
To: [log in to unmask]
Subject: Distributed /Federated Search

Dear colleagues,

Can someone remind me of the current state of the art of distributed search
support in Z39.50 and derivative specs. Is it still ZDSR