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RPR FOM 2 is here!

After more than 15 years and 21 different drafts, RPR FOM 2 is finally a SISO standard! It’s been a long road with periods of intense activity and years with little progress, but it is here. The RPR FOM is an incredibly important standard in our industry. It embodies the most widely used object model in our community. It was originally designed to allow the concepts of DIS to be used in HLA federations. Now with RPR FOM 2, there is a single official standard that is supported by all the flavors of HLA and is consistent with DIS version 6. Having this standard provides a clear way for our customers to maximize their simulation investments — with minimal incremental cost, simulations built for a single purpose can be connected to other simulators to form larger and more valuable federations.

Most of us have been using various drafts of the standard for a long time now, but they have all had various issues, not least of which has been the lack of support for HLA 1516-2000 and HLA 1516-2010 (HLA Evolved). This meant that different organizations have been using slightly different adaptations of the HLA 1.3 drafts when using HLA 1516. The final version unifies these variations and fixes a number of issues. The datatype naming convention is standardized and the descriptions in the accompanying guidance document (the GRIM) are more clear, complete and useful. RPR FOM 2 has also been made modular for users of HLA Evolved so that people who use part of the standard can use only the modules they depend on. Many federations use RPR FOM as the reference FOM on which to build even further functionality, something that is easier to support now than ever before thanks to HLA Evolved FOM modules.

MAK is proud to say it has been working on the standard as part of the SISO community since its very first days. Long time MAKers Doug Wood and Len Granowetter worked on RPR FOM 1, with Doug filling the role of secretary. Jim Kogler joined them in the early years of RPR FOM 2 and functioned as chairperson for a while. Brad Dillman was also an editor in the early days. When the RPR FOM effort was revived a few years back, I jumped in as editor of the GRIM and worked with a talented group of other SISO volunteers to see it across the finish line.

The newly finalized standard is already supported in the full line of MAK products. As new drafts have been released, MAK has been updating its core Link products to ensure our customers can always use the latest and greatest version. But don’t worry; we’re not dropping support for any of the older drafts. So if you’ve built up your simulation on RPR 2 draft 17, we’ve still got you covered.

I still encourage all RPR users to check out the official RPR FOM 2. You can find it on SISO’s standards page here (note that it is officially two standards numbered SISO-STD-001-2015 (the GRIM) and SISO-STD-001.1-2015 (the FOM)):

https://www.sisostds.org/ProductsPublications/Standards/SISOStandards.aspx

Now on to RPR 3!

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