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Re: [Savannah-hackers] submission of The Comet Middleware Environment -
From: |
Loic Dachary |
Subject: |
Re: [Savannah-hackers] submission of The Comet Middleware Environment - savannah.nongnu.org |
Date: |
Thu, 10 Apr 2003 12:51:13 +0200 |
Hi,
Would you be so kind as to test Comet on a free Java environment ?
Experience shows that it is not easy, unfortunately.
Also you might want to fix the COPYING file in your
distribution since it does not contain a copy of the GNU GPL.
Could you please submit your project again when you're done ?
Thanks in advance,
address@hidden writes:
>
> A package was submitted to savannah.nongnu.org
> This mail was sent to address@hidden, address@hidden
>
>
> Frederic Peschanski <address@hidden> described the package as follows:
> License: gpl
> Other License:
> Package: The Comet Middleware Environment
> System name: comet
> Type: non-GNU
>
> Description:
> The Comet middleware project is a Java-based environment
> for highly-dynamic distributed applications.
>
> It has been developped at the University Pierre & Marie Curie in Paris
> as well as at the University of Tokyo in the last few years.
>
> It is basically a research project but it is now quite stable and we
> think it is a good time to release it as a free software project.
>
> Components represent the basic building blocks of the Comet-based
> distributed systems. Connections allow components to be linked
> together, through logical connectors. Events are used to communicate
> asynchronously between components.
>
> A difference with most related approaches is that components do not
> reference to each other so that dynamic changes are always possible.
>
> It is also possible to change components internally at runtime,
> through a \"protocol & role\" system.
>
> Finally, a preliminary support for mobility has been added, strong
> migration is on the way.
>
> The implementation provides a language layer, named Scope, as well as
> the underlying middleware and several services and examples.
>
> In the benchmarks/ sub-directory, a (simple) performance comparision
> with RMI is on the way. For the moment, despite the added features,
> Comet is twice as fast for basic communications.
>
> Note: Scientific papers are available upon request and documentation
> is on the (slow) way.
>
>
> Other Software Required:
> The core subsystem and libraries depend on SUN\'s JDK1.2. We do not know yet
> the level of compatiliby with GNU CLASSPATH but we are confident since we
> only employ basic functionalities (e.g. network is managed through simple
> sockets, no RMI or whatever). There may be a problem with the classloader
> though. Anyway, the whole code is GPLed.
>
> Python or Jython is necessary to run the source-code translator (which takes
> a Scope file and generates a set of Java files).
>
> Jython is also necessary to run the graphical frontend (dynamic deployment
> tool)
>
> Other Comments:
> The source code has been put at:
>
> http://web.yl.is.s.u-tokyo.ac.jp/~pesch/comet-1.0.tar.gz
>
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