168493 XML and Web Services (II/2546) UDDI Kanda Runapongsa (krunapon@kku.ac.th) Dept. of Computer Engineering Khon Kaen University Dept. of Computer Engineering, Khon Kaen U.

168493: XML and Web Services (II/2546) What is UDDI? UDDI: Universal Description, Discovery, and Integration A specification for creating a registry service that catalogs organizations and their Web services An implementation of the UDDI specification is called a UDDI registry 168493: XML and Web Services (II/2546)

168493: XML and Web Services (II/2546) What is UDDI? You can search a UDDI registry for specific kinds of companies or Web services You can also register your own business and Web services in a UDDI registry A UDDI registry is like an electronic “yellow Pages” that businesses xan search to find other organizations, and specify types of Web services 168493: XML and Web Services (II/2546)

Public and Private UDDI Registries A UDDI registry can be operated in two modes: public mode and private mode A public UDDI registry is available for everyone to publish/query the business and service information on the Internet 168493: XML and Web Services (II/2546)

168493: XML and Web Services (II/2546) A Public UDDI Registry A public UDDI registry can be a logical single system built upon multiple UDDI registry nodes that their data synchronized through replication Such global grouping of UDDI registry nodes is known as a UDDI Business Registry, or UBR 168493: XML and Web Services (II/2546)

168493: XML and Web Services (II/2546) A Public UDDI Registry Content can be added into a UDDI Business Registry (UBR) from any node However, content can be modified or deleted only at a node at which it was inserted 168493: XML and Web Services (II/2546)

A Private UDDI Registry A private UDDI registry is operated by a single organization or a group of collaborating organizations to share the information that would be available only to the participating bodies Private UDDI registries can impose additional security controls to prevent access by unauthorized users 168493: XML and Web Services (II/2546)

168493: XML and Web Services (II/2546) A UDDI registry A UDDI registry is itself a Web service A Web service consumer queries the UDDI registry using the SOAP API defined by the UDDI specification The UDDI specification publishes a WSDL description of the UDDI registry service 168493: XML and Web Services (II/2546)

Interacting with a UDDI Registry Typically, vendors implementing a UDDI registry provide two ways of interacting with a UDDI Registry Service A GUI, for interacting with a UDDI registry A programming interface for communicating with the UDDI registry 168493: XML and Web Services (II/2546)

A List of Public UDDI Registries Microsoft: http://uddi.microsoft.com IBM: http://www-3.ibm.com/services/uddi SAP: http://udditest.sap.com/ Systinet: http://www.systinet.com/uddi/web 168493: XML and Web Services (II/2546)