[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Re: ANN: Distributed Registry for Web Services
Roger L. Costello wrote: >Hi Folks, > >You are invited to participate in the collaborative development of a >distributed registry technology. > >We have created a list (distributed-registry) for discussion of this >topic. To subscribe to the list send an empty email to: > > distributed-registry-subscribe@y... > >Here is a description of the purpose of a distributed registry: > >A Web service registry provides information about what services do, and >how they are used. Today's Web service registries (e.g., UDDI and ebXML) >are implemented as centralized repositories. That is, all services store >their service descriptions within a single, or a small number of >registries. The purpose of this effort is to develop a concrete, >implementable architecture for a highly distributed registry. The notion >is that each Web service defines their own registry - comprised of the >collection of documents that describes the service. > Hi Roger, The ebXML Registry V3 is defined as an open standard by the OASIS ebXMl Registry TC [1]. It supports a loosely couple distributed model where registries are peers and do not require any prior contract. The following distributed registry features are supported: -Inter-registry object references -Registry federations -Federated queries using SQL 92 and XML filter query syntax -Inter-registry object relocation In addition features the following features make the registry attractive as a general purpose content management solution: -Handles arbitrary content (Any type of Service description and anything else is supported) -Automatically validates and catalogs arbitrary content upon submission in a content specific manner -Allows discovery of content using ad hoc queries in SQL 92 and XML Filter query syntax The registry has a long list of additional features. Details are available from the specifications [2] and also from a recent slide presentation [3] in html form. Finally, an open source implementation named ebxmlrr [4] is available with a active and healthy user community. This includes a standard Java API for XML Registries called JAXR [5]. ebXML Registry is being used for a variety of purposes in a variety of verticals including healthcare, eGov, Automotive, Travel etc. Version 3 is adding distributed capabilities as well as Content-based Event notification and a pure HTTP interface that strives towards REST. We would like to invite you and your project to consider ebXML Registry and help identify limitations it may have in meeting your use case. We could work together in the ebXMl Registry TC [1] to address any such limitations with the next version of the OASIS ebXML Registry Standard. [1] OASIS ebXML Registry TC http://www.oasis-open.org/committees/regrep/ [2] Latest versions of ebXML Registry V3 specs directly from CVS: Registry Services spec: http://cvs.sourceforge.net/cgi-bin/viewcvs.cgi/ebxmlrr/ebxmlrr-spec/doc/ebRS.doc Registry Information Model spec: http://cvs.sourceforge.net/cgi-bin/viewcvs.cgi/ebxmlrr/ebxmlrr-spec/doc/ebRIM.doc [3] Slide Presentation on ebXML Registry V3 http://ebxmlrr.sourceforge.net/ebxmlrr-spec/ebxmlrrOverview/siframes.html [4] Open Source Implementation of ebXML Registry and JAXR API http://ebxmlrr.sourceforge.net [5] Java API for XML Registry 1.0 (JAXR) http://jcp.org/en/jsr/detail?id=093 -- Regards, Farrukh
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