UDDI

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UDDI

• Ashish Jain
• University of Colorado
• 3 October, 2001

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What is UDDI ?

• Stands for Universal Description, Discovery and
  Integration
• Defines a way to publish and discover information
  about web services
• Web service describes specific business
  functionality to be used by another company.
• Joint industry effort initiated by Microsoft
  and Ariba.
• Not a standard

3
Motivation

• No single point of access to all markets of
  opportunity. Difficult for a business to find
  services that meet requirements.
• Lack of standard mechanism to figure out how to
  conduct electronic business with remote partner

4
Objectives

• To enable businesses to quickly and
  dynamically discover and interact with each other
  on the Internet.
• Programmatically describe their services and
  business processes and their preferred methods
  for conducting business.
• Simplify the effort of integrating disparate
  business processes
• Advertise its business and services in a global
  registry

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Overview
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Technical View
UDDI
Simple Object Access Protocol ( SOAP )
Extensive Markup Language ( XML )
Common Internet Protocols (HTTP, TCP/IP)

• An XML file describes a business entity and its
  services to UDDI Business Registry
• Access to and from the Business Registry is
  described by SOAP
• UDDI defines the framework of describing any kind
  of Web service.

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How does UDDI work ?
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UDDI Business Registry

• Business individually register information about
  the Web services to it.
• Provides programmatic description of web
  services
• Physically distributed with multiple root nodes
• Data replicated on each server

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Registry Data

• Businesses register public information about
  themselves.
• White pages address, contact and known
  identifies
• Yellow pages contains industrial
  categorization
• Green pages Technical information about the
  services that are exposed by the businesses
• Standards bodies, Programmers, Businesses
  register information about their Service Types

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Structure
name, contacts,
descriptions, categories
Name Description URL pointers
(1..n)

• Business Entity is a top level information
  manager for the business unit serves as white
  and yellow pages

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Structure (II)

• Business service and binding template define the
  green pages
• businessService structure describes a group of
  related Web services
• bindingTemplate consists of the information
  required to invoke services.
• tModel contains information about specification
  supported for compatibility.

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Inquiry API

• Find things
• find_business
• find_service
• find_binding
• find_tModel
• Get Details about things
• get_businessDetail
• get_serviceDetail
• get_bindingDetail
• get_tModelDetail

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Inquiry example

• find_business
• Syntaxxmlnsurnuddi-orgapi-v2findQualifiers/amescategoryBag/tModelBag/
• Result List of businesses matching the
  criteria

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Conclusions

• Significant benefits for B2B eCommerce
• Open process with clear roadmap to a standards
  body
• Industry momentum