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Jonathan: an Open Distributed Objects Platform
Current releases: 2.0.5 and 3.0 alpha 10. Jonathan is a Distributed Object Platform (DOP) written entirely in Java. Jonathan was developed originally at the research labs of France Télécom in the context of the European project ReTINA, whose aim was to define an architecture for telecommunications distributed environments. Telecommunications applications such as multimedia services have stringent requirements in terms of scalability, adaptability and realtime. Jonathan's response to this is through its "openness" in the sense that contrary to standard DOPs (and in particular, most CORBA ORBs), the abstractions that make up its internal machinery are accessible by an application programmer and may be specialized to meet specific requirements. Jonathan is organised around a very small kernel (namely Kilim that essentially lets the infrastructure components communicate. Currently, these components consist of a number of independently developed protocols, marshallers, stub factories, etc. Different personalities can be built using these components. A personality is a set of normalized Application Programming Interfaces: Java RMI is a personality, CORBA is another, COM still another... Jonathan provides two personnalities:
Recent News25th October 2002: Jonathan 3.0 alpha 10 releaseA new alpha release of Jonathan 3.0 is available for download. Changes are:
23th October 2002: Jonathan 3.0 alpha 9 releaseA new alpha release of Jonathan 3.0 is available for download. See the history for changes. 9th August 2002: Kilim website launchedKilim now has its own website (independant from Jonathan's). Find it at http://kilim.objectweb.org/. 8th August 2002: Kilim 1.1.1 is releasedCorresponding to the move to Sourceforge, a new Kilim has been tagged on CVS: Kilim 1.1.1, tag 6th August 2002: Kilim moved to SourceforgeThe Kilim configuration framework has now found a new home on the debian-sf system at Objectweb: http://forge.objectweb.org/projects/kilim. All CVS access should be done from there. 25th July 2002: Kheops renamed to KilimFor intellectual property reasons the Kheops configuration framework has been renamed to Kilim. 19th July 2002: Jonathan 3.0 alpha 8 releaseA new alpha release of Jonathan 3.0 is available for download. Main differences include usage of Kheops 1.1 rather than the built-in configuration framework, as well as a number of bug fixes. 6 June 2002: new Jonathan documentation availableSacha Krakowiak (e-mail: sacha.krakowiak at inrialpes.fr) has written a Jonathan tutorial which presents the Jonathan frameworks in great details. Any contributions or corrections are welcome. | ![]() |
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