1. UDDI ebXML(?) and such Essential Web Services Directory and Discovery

2. Web Services Protocol Stack Discovery ebXML, UDDI Description WSDL XML Messaging XML-RPC, SOAP, XML Transport HTTP, SMTP, FTP, BEEP Transporting XML messages between client and server Encoding messages in XML format Searching / Publishing Web Services Describing Web Services interface

3. Web Service Registry A network-based directory that contains information about available services. Accepts and stores contracts from service providers and provides those contracts to interested service consumers. May also act as proxy for the provider, enabling the consumer to interact with a single point of contact for all required services.

4. Web Service Registry A content management system for secure, federated information Provides services for sharing content and metadata between entities in a federated environment Lifecycle Management actions logged in an audit trail Supports automatic versioning of objects

7. ebXML System Overview

9. Registry Uses (ebXML case) SOA registry repository Web content management Controlled vocabulary Business process catalog Electronic forms ebXML core components catalog Domain-specific use cases Electronic medical records (IHE-XDS) Geological information systems (Open GIS) Metadata store for grid computing

11. Universal Description, Discovery & Integration A technical specification for publishing and finding businesses and Web services UDDI 1.0 originally announced by Microsoft, IBM and Ariba in 2000 Microsoft and IBM launched the first UDDI operator sites in 2001, UDDI 2.0 announced in 2001 Approved by the Organization for the Advancement of Structured Information Standards (OASIS) as a formal standard in 2003 Currently UDDI 3.0 has been published as OASIS committee specifications

12. Directory parts A technical specification for building distributed directory of businesses and web services UDDI Business Registry is a fully operational implementation of the UDDI specification (stopped in 2006)

13. http://www.webservicex.net http://www.xmethods.com