ohla-announce Mailing List for Open HLA
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From: Michael N. <mic...@gm...> - 2013-12-23 10:15:28
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Lots of updates and bug fixes in this release. - Completed Time Management implementation - Completed Save/Restore implementation - Updated 3rd party libraries - Added example Circles JavaFX application that has HLA 1.3, IEEE 1516, and IEEE 1516e federates Thanks, Michael |
From: Michael N. <mic...@gm...> - 2011-03-22 02:18:37
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Lots of updates in this release. - Added IEEE 1516 Evolved API support. HLA 1.3, IEEE 1516, and IEEE 1516 Evolved are all interoperable with each other. - Migrated to Netty from MINA. - Implemented custom encoding for performance increases. - Implemented Data Distribution Management. - Completed Ownership Management - Added Internationalization support I have yet to thoroughly test Time Management, but I will be working on that for a 0.5.1 release. I will also be working on a set of performance tests to put OHLA up against some of the other RTIs out there. Feel free to download and check it out: https://sourceforge.net/projects/ohla/files/ohla Thanks, Michael |
From: <Mic...@gd...> - 2011-02-01 20:10:29
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OHLA 0.5 will most likely be released within the month. I have been busy the last few months upgrading OHLA to the new IEEE 1516 Evolved standard. I just made a large commit to SVN of the bulk of the code. I am going through all of the past tests, porting them to the IEEE 1516 Evolved API. I have also taken the time to migrate away from MINA and to Netty. It is a similar asynchronous networking API, but it is cleaner and more efficient. I also took the time to implement custom encoding for all the messages, instead of the default Java serialization of previous versions. I revisited the DDM implementation and believe I am on the right track vs. my previous implementation that was not quite correct (or even fully implemented). I do think there is still some time management bugs, but I will begin tracking those down after I have most of the common test cases passing. Furthermore, in the next few months I will try to write some performance benchmark applications to see how the new OHLA stacks up against some other RTIs out there. Thanks for your patience, Michael |
From: Newcomb, Michael-P. <Mic...@gd...> - 2006-11-09 14:24:12
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OHLA is now checked into SVN. SVN structure: trunk/ - holds main development branch - currently at 0.4 svn co http://ohla.svn.sourceforge.net/svnroot/ohla/trunk ohla-0.4 branches/ - holds branches that have been released - when trunk is nearing release, the branch is copied to here - currently holds 0.3 branch svn co http://ohla.svn.sourceforge.net/svnroot/ohla/branches/0.3 ohla-0.3.1 releases/ - holds released versions - no development is allowed on these - when a branch is ready to be released, it is copied to here - currently holds 0.3.0 svn co http://ohla.svn.sourceforge.net/svnroot/ohla/releases/0.3.0 ohla-0.3.0 Changes to the repository are sent to the ohla-devel mailing list. Thanks, Michael |
From: Newcomb, Michael-P. <Mic...@gd...> - 2006-11-08 15:09:30
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OHLA 0.3 has been released.=20 This is a major refactoring of the project with a focus on moving the infrastructure to MINA.=20 Ownership Management support has also been added. There are still a few peices to implement, for instance, when ownership is divested the RTI does not ask federates to assume ownership, they will remain unowned until a federate requests ownership. This will be added in 0.3.1.=20 Initial JLC support is included, and current test cases have been implemented using the RtiFactory classes, but no test cases have been written yet for the encoding/decoding classes. Thank you for your patience and hopefully future releases will be soon to follow.=20 Thanks,=20 Michael=20 |
From: Newcomb, Michael-P. <Mic...@gd...> - 2006-10-30 18:01:50
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It has been a while since I last sent out an update on the development progress, so here is an update ;). 0.3 is very close to release (within the week). The focus of 0.3 was moving away from the RMI/socket API that I had developed to a more robust framework. I started working with Jgroups but it did not fit my strategy of send-side filtering. So, I found a gem of a project from Apache called MINA. >From MINA's website (http://directory.apache.org/subprojects/mina/index.html): MINA (Multipurpose Infrastructure for Network Applications) is a network application framework which helps users develop high performance and high scalability network applications easily. I'm not going to go over MINA's architecture in this e-mail but I encourage you to read up on this project. I have also been implementing the concurrency strategy that will allow multiple threads to utilize one FederateAmbassador in a truly concurrent manner. Therefore, you will see heavy use of the java.util.concurrent package (particularly ReadWriteLock). I've laid the foundation for most of the services and as of right now, I'm almost done with the Ownership Management test case (just have to test requesting divestiture). When that test case is complete, I will release 0.3. Below is the roadmap for OHLA releases. Hopefully one will come every 3-4 weeks or so. 0.3 - re-architect to use Apache MINA - ownerhsip management 0.4 - time management - JLC 0.5 - DDM 0.6 - MOM support 0.7 - C++ API 0.8 - optimize message encoding/decoding 0.9 - maintenance 1.0 - final Thanks, Michael |
From: Newcomb, Michael-P. <Mic...@gd...> - 2006-09-26 13:59:23
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0.2.2 has been released. You can download it here http://sourceforge.net/project/showfiles.php?group_id=3D134950 =20 This release contains a bug fix that fired multiple discover objects instance calls. Thanks, Michael |
From: Newcomb, Michael-P. <Mic...@gd...> - 2006-09-21 16:16:42
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0.2.1 has been released. You can download it here http://sourceforge.net/project/showfiles.php?group_id=3D134950 =20 This release contains a bug fix that prevented late joining federates from discovering already registered object instances. 0.3 is nearing completion and should include DDM, time management, and hopefully the first cut of the toolkit which allows for easier use of HLA. Thanks, Michael |
From: Newcomb, Michael-P. <Mic...@gd...> - 2006-04-18 13:25:37
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This release includes initial HLA 1.3 support. IEEE 1516 and HLA 1.3 clients can communicate on the same federation. Testsuite was moved from JUnit to TestNG. Some refactoring was done to enable HLA 1.3 support. Thanks, Michael |
From: Newcomb, Michael-P. <Mic...@gd...> - 2006-04-04 17:42:03
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0.1.3 Preview has been released. You can download it here http://sourceforge.net/project/showfiles.php?group_id=3D134950 =20 This release contains some bug fixes dealing with reserving object names. Work on 0.2 is well under way. It involves a refactoring of the build system (you will be able to build using ant and IntelliJ) and migration from JUnit to TestNG. It will also include the DoD interpretations which will allow easier support of the 1.3 spec and those tests should start to work with the 0.2 release. Thanks, Michael |