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MÄK High Performance RTI

Performance by Design

• Verified By DMSO as Fully HLA-Compliant (HLA 1.3 And IEEE 1516)
• Fast and Efficient
• Lightweight Mode ― No RTIexec Required
• Sender-Side Filtering For Efficient Wan Operation
• Network and Shared Memory Communication
• Fault Tolerant
• Web-Based RTIspy Diagnostic GUI
• Support for Modular FOMs
• Plug-In API For User Customization

Overview

The MÄK RTI (Run-Time Infrastructure) is the fastest way for High Level Architecture (HLA) compliant simulations to communicate. Efficient and easy to use, the MÄK RTI keeps CPU, bandwidth and memory requirements to an absolute minimum to maximize performance. The MÄK RTI implements the full HLA Interface Specification, and has been verified by DMSO as fully compliant with both HLA 1.3 and IEEE 1516. And because you can turn off services you don’t need, you won’t pay a performance penalty for unwanted functionality like DDM, time management or MOM.

Battle-tested

The MÄK RTI is a proven and battle-tested solution, and has been used in a wide variety of programs and large exercises throughout the world including:

• US Air Force Joint Strike Fighter program
• US Air Force Distributed Mission Operations
• NATO’s First WAVE exercise
• US Navy DDG 1000 program
• Canada’s Department of National Defense War in a Box program
• US Marine Corps Tactical Environment Network
• Netherlands’ TACTIS program
• Australian Defence Simulation Office Joint Simulation Capability program

The MÄK RTI has been chosen for large and small federations alike, because of its support for a wide variety of network topologies and architectures (including sender-side filtering for efficient WAN operation), graceful recovery when federates crash, ease of configuration, and range of supported platforms.

Compatibility

While the lack of an RTI network standard means that no two RTIs can interoperate directly*, the MÄK RTI is "link" compatible with other RTIs that meet the appropriate HLA Interface Specifications. Federations can switch between the MÄK RTI and other link-compatible RTIs without recompiling or relinking. And because our HLA 1.3 and IEEE 1516 versions of the RTI are built from the same code base, we’ve retained network compatibility between 1.3 and 1516 federates wherever possible.

RTIspy® ― A Window into the RTI

Gone are the days when an RTI was considered an opaque black box. RTIspy is a window into the RTI, shedding light on its inner workings. Through a flexible API and web-based diagnostic GUI, you can reach into the RTI and monitor or alter its functionality. With RTIspy, the power to debug connectivity problems, monitor network messages, and customize behavior is in your hands. Once you’ve used an RTI that gives you this level of insight, you’ll wonder why all RTIs aren’t built this way.

RTIspy Web-based Diagnostic GUI

The RTIspy Diagnostic GUI gathers diagnostic information directly from within the RTI, and makes it accessible through a web-based GUI. Simply point your web browser at the URL associated with any Local RTI Component (LRC) or the rtiexec. You can explore a graph of your federation’s network topology, scan the objects that each LRC knows about, or the list of interactions it has sent and received. Browse the current state of FOM subscriptions and publications to track down connectivity issues, or trace the log of federate-ambassador-invoked and RTI-ambassador-invoked method calls to help solve complex timing problems. Network and CPU monitoring tools help you identify your federation’s performance bottlenecks. Unlike MOM-based diagnostic tools, RTIspy continues to provide data even when HLA connectivity is unsure, and can give insight into implementation-specific details unavailable through the MOM.

By leveraging powerful Asynchronous JavaScript (AJAX) techniques, the RTIspy GUI combines the remote access and ease of use of a web-based interface with the level of responsiveness and interactivity typically associated with a native GUI application. A lightweight web server runs as a separate process outside of the RTI components, minimizing impact on RTI performance.

RTIspy Plug-in API

The RTIspy API allows you to build plug-ins to alter, extend, and query any aspect of the RTI’s functionality. Many programs need a custom RTI, but few have the desire or the means to build their own RTI from scratch. The RTIspy API delivers the best of both worlds. Through the API, you can change the RTI’s "wire format" by implementing new network messages, tune performance based on your specific requirements, and override default implementations of key services. You can plug in a custom communication mechanism in place of the default network-based scheme, or experiment with new Data Distribution Management (DDM) algorithms or reliable multicast protocols. With the RTIspy API, you can tailor a proven RTI to meet the specific needs of your program.

*MAK’s VR-Exchange product can be used to bridge heterogeneous RTIs

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