UDDIe: An Extended Registry for Web Services

  • Authors:
  • Ali ShaikhAli;Omer F. Rana;Rashid Al-Ali;David W. Walker

  • Affiliations:
  • -;-;-;-

  • Venue:
  • SAINT-W '03 Proceedings of the 2003 Symposium on Applications and the Internet Workshops (SAINT'03 Workshops)
  • Year:
  • 2003

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Abstract

The Universal Description, Discovery and Integration(UDDI) is a specification for distributed Web-based information registries for Web Services. UDDI allows HTTP-enabled business services to be published, and subsequentlysearched, based on their interface. UDDI consists of threecomponents: "white pages" to hold basic contact information and identifiers for a company, "yellow pages" to enable companies to be listed based on their industry categories (using standard taxonomies), and "green pages" torecord interface details of how a Web service is to be invoked. UDDI is however limited in scope - allowing white,yellow or green pages to be searched based on a few attributes, and does not provide an automatic mechanism forupdating the registry as services (and service providers)change. We implement UDDIe - an extension to UDDI,which supports the notion of "blue pages", to record userdefined properties associated with a service - and to enablediscovery of services based on these. UDDIe enables a registry to be more dynamic, by allowing services to hold alease - a time period describing how long a service description should remain in the registry. UDDIe can co-exist withexisting UDDI - and has been implemented as an open-source software.