The document summarizes discussions from a Clearinghouse WG Telecon meeting. It provides updates on deployed software, including upcoming releases of Isite, SMMS/GeoConnect Server, Blue Angel Gateway, and the ICN Web Search Module. It also discusses the NSDI FAQ resource, CAP grants, standards activities regarding ISO metadata and OGC catalog services, and plans for an NSDI workshop in Fall 2001.

1. Clearinghouse WG Telecon 16 May 2001

7. ICN Web Search Module Browser httpd Servlet engine cgi Zserver 0 Zserver 1 Zserver n wizard Registry

21. native client protocol server catalog A P I Current Catalogs Z39.50 or CORBA protocol This model applies for both the current Z39.50 and CORBA implementations Send query Get response Return metadata Request metadata

22. Web client other client Web Server Web CGI catalog A P I Send query parser (mp) Return metadata Stateless Catalogs HTTP POST Z39.50 Service would be replaced by similar functionality hosted as a Web Service over port 80

23. Stateless Catalogs Web client XML client Web Server SOAP listener catalog A P I Send XML XSLT Return Full XML SOAP is a platform-independent style of CGI handler that dispatches programs to compile a response. Isite will be renovated to include a SOAP interface for local http-based query to replace Isearch.cgi HTTP POST