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    Data and Services integration explained from Java and .Net client applications.

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Xcalia Jalisto™

Xcalia has made its lightweight Java database, Xcalia Jalisto™, available as Open Source. Jalisto is transactional, has a very small footprint and provides high performance. It is 100% pure Java and object-oriented. The project is hosted by ObjectWeb, http://jalisto.objectweb.org, an established and respected open source community with a focus on the development of industry-grade distributed middleware.

Jalisto comes in two versions: Jalisto SE (Standard Edition) and Jalisto ME (Micro Edition). Jalisto SE is an ideal solution for embedded and stand-alone systems. Jalisto ME, which will be available in Q4, targets mobile environments including cell phones, PDAs, and is compatible with the Java 2 Platform Micro Edition (J2ME).

As Carl Olofson, research director at IDC, reported: "Object-oriented DBMSs could well enjoy a second growth period as embedded DBMSs due to the efficient and flexible data management they offer object-oriented applications, and open source DBMSs are also attractive as embedded DBMSs because of the technological control they offer ISVs as well as flexibility in licensing."

Jalisto SE offers developers a flexible object database for lightweight applications and is well suited for embedded environments. Key functionality includes an optional Java query engine, caches, high performance and an interchangeable disk access layer and local storage for complex object structures. It replaces the need for serialization and can be used to replicate part of the data from central systems to a local standalone client. Jalisto SE features easy JMX (Java Management Extension) administration and support for record-level pessimistic and optimistic locking. It can be deployed for single or multi-users in standalone for optimal performance and a client/server mode is also available. It is compliant with Java Connector Architecture (JCA) to ease the integration with Application Servers.
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Xcalia is a major SOA vendor addressing enterprise IT and business requirements regarding business oriented enterprise data access, Xcalia DAS publishes and manages CRUD operations on data graphs towards any datasource type DAS implementation towards any datasource type modeling business objects interaction with enterprise data: data integration renewed, SDO commercial implementation datagraph and mediator, SDO client for MS .Net: integrate enterprise data with .net, JDO implementation for data access and integration with transaction management, EJB 3.0 for composite applications, BPEL applications get a universal data access layer through SOAP and DAS, SDO API to access mainframes, RDBMS, OODBMS, XML, SOAP, SAP delivers a transparent persistence layer, graphical object to services mapping software enabling business users, os/390, gcos, Unisys, openvms, pacbase, mq, tuxedo, ims, db2 systems and mainframes applications are mapped into services and thus integrated in the SOA