Technical overview of the JISC Information Environment Andy Powell [email_address] UKOLN, University of Bath JISC/NSF DLI All Projects Meeting June 2002

JISC Information Env. Broker/Aggregator Portal Portal Content providers End-user Portal Broker/Aggregator Authentication Authorisation Collect’n Desc Service Desc Resolver Inst’n Profile Shared services Provision layer Fusion layer Presentation layer

IMS Digital Repositories Repositories Resource Utilizers Directories Vocabulary Competency Metadata Repositories Organizations Traders Access Management MANAGE RIGHTS OBLIGATIONS CONTROL ACCESS AUTHENTICATE AUTHORISE AUDIT Procurement NEGOTIATE TRADE MAKE PAYMENT SEARCH Learner Creator Infoseeker Assets Metadata DISCOVER REQUEST USE Presentation Mediation Provision People Agent RESOLVE Registries STORE STORE EXPOSE MANAGE STORE EXPOSE MANAGE DELIVER (Query, Browse, Follow Path) ACCESS GATHER PUBLISH MANAGE ALERT EXPOSE

Web Services - IBM “ Web Services are self-contained, self-describing, modular applications that can be published, located and invoked across the Web”. IBM Web Services architecture overview http://www-106.ibm.com/developerworks/web/library/w-ovr/?dwzone=ibm

Web Services - Microsoft “ A Web service is programmable application logic, accessible using standard Internet protocols”. A Platform for Web Services http://msdn.microsoft.com/library/techart/websvcs_platform.htm

IBM Web services model service registry service provider service requestor Find Publish Bind WSDL UDDI WSDL SOAP WSDL UDDI

JISC IE - Web services service registry service provider service requestor Find Publish Bind Collection and Service description service JISC Inf. Env. Service registry Content providers, aggregators, brokers, shared services Portals, aggregators, brokers

JISC Information Env. Broker/Aggregator Portal Portal Content providers End-user Portal Broker/Aggregator Authentication Authorisation Resolver Inst’n Profile Shared services Provision layer Fusion layer Presentation layer Service provider Service requestor Service provider Service requestor Service registry

4 layer model? Portlet Broker/Aggregator Portal Portal Content providers End-user Portal Broker/Aggregator Authentication Authorisation Service Registry Resolver Inst’n Profile Shared services Provision layer Fusion layer Portal layer Portlet Portlet Portlet layer Portlet

Architectural summary publishing tools shared services portals content brokers and aggregators provision fusion infrastructure presentation registries terminology indexing resolution authentication authorisation citation linking m2m

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