The baseline definition of the hla includes the hla rules, the hla interface specification and the hla object model template omt. In hla terminology, the entire system to be simulated is represented by a federation which is a collection of federates, i. You can edit this uml deployment diagram using creately diagramming tool and include in your reportpresentationwebsite. The standard was developed in the 90s under the leadership of the us department of defense 2 and was later transitioned to become an open international ieee standard. The hla is based on the premise that no single simulation can satisfy the requirements of all uses and users.
The architecture in this example supports opm flow, a popular opensource oil and gas reservoir simulation package from the open porous media opm initiative. The high level architecture hla framework and rules is the capstone document fora family of related hla standards. Use pdf export for high quality prints and svg export for large sharp images or embed your diagrams anywhere with the creately viewer. An architectural pattern is a general, reusable solution to a commonly occurring problem in software architecture within a given context. The high level architecture hla provides the structural basis for simulation interoperability, distributed simulation, and is the standard technical architecture for heterogeneous simulations 6.
Simulation applications can join the simulation at any time, leave at any time hla uses a central manager, called the rti run time infrastructure, that receives data from various applications and sends them to other applications in the simulation in the context of hla, these are called federates and a set of federates is a federation. The high level architecture hla is a standard for distributed simulation, used when building a simulation for a larger purpose by combining federating several simulations. At this level, our experts design which subsystems will be built, as well as the internal and external interfaces that need to be developed for the project. S high level architecture hla federate interface specification. Although originating from the military simulation domain, the high level architecture also addresses the needs of the civil simulation community asking for software interoperability and reusability. The design of hla is actually based on something called the aggregate level simulation protocol alsp which was led in the early 90s by the same mitre folks that developed hla. Most leaders dont even know the game theyre in simon sinek at live2lead 2016 duration. High level architecture hla compliant distributed simulation platform for disaster preparedness and response in facility management sungjoo hwang, richmond starbuck, sanghyun lee, minji choi, suelbi lee, moonseo park, wsc2016. The use of runtime infrastructure software is required to support operations of a.
Software architecture checkout our course software design for safety critical microcontroller applications 99. The approach promotes reusability and interoperability. The high level architecture hla provides the specification of a common. The highlevel architecture hla is a standard for distributed discreteevent simulations, generally used to support analysis, engineering and training. High level architecture distributed space system simulation. Within the defense simulation community, for example, a significant investment has been made to engender system level reuse through interoperability. Citeseerx citation query creating computer simulation. The hla does not prescribe a specific implementation, nor does it mandate the use of any particular set of software or programming language. Simulations are abstractions of the real world, and no one simulation can solve all of the. Modeling and simulation plays a very important role in mission design.
The high level architecture hla provides the specification of a common technical architecture for use across all classes of simulations in the us department of defense. Highlevel architecture hla versus distributed interactive. A high level architecture hla is a family of related standards that together describe a unified approach and common architecture to constructing interoperable simulation systems. The goal is to define a software structure which is able to fullfill the requirements. System architecture medv enhances windows virtual pc to run two operating systems on one device, adding virtual image delivery, group policybased provisioning, and centralized management. The second reason for having a high level architecture for. The opm flow software runs on azure hpc virtual machines vms that deliver performance near or better than current onpremises infrastructures. Brokers could start training the next generation of. An evaluation of the high level architecture hla as a. High level architecture for simulation ieee conference.
Time management in the high level architecture keywords. High level architecture hla is a general purpose architecture for distributed computer simulation systems. By imitating chaotic disaster situations in riskfree settings, disasterrelated simulation can be helpful fortraining of response participation, damage evaluation, and recovery planning. Distributed traffic simulation based on the high level. Hla high level architecture is a more recent standard for interoperability among.
Zuqun li1 pennsylvania state unive rsity, university park, pa 16802. An interface specification defines how simulators interface to the runtime infrastructure rti, and the rti provides the software services necessary to provide and. Within the defense simulation community, for example, a significant investment has been made to engender systemlevel reuse through interoperability. The high level architecture hla is used as a distributed simulation framework in the vtb. Educators can launch an online trading simulator within days to provide their followers with the modern online trading tools. The book is an introduction to hla for application developers. The dod high level architecture georgia tech college of.
Architecture, interoperability, simulation time, synchronization abstract time management is required in simulations to ensure temporal aspects of the system under investigation are correctly reproduced by the simulation model. Simulations in an hla federation communicate with each other using middleware referred to as a runtime infrastructure rti. Containerization of high level architecturebased simulations. Cannot easily exploit capabilities developed in other dod modeling and simulation programs. Highlevel architecture microsoft desktop optimization pack. The hla defines an integrated approach that provides a common framework for the interconnection of interacting simulations.
The high level architecture hla is an architecture for reuse and interoperation of simulations. The high level architecture for modeling and simulation, or hla, is the glue you need to combine existing simulations and accommodate new ones. High level architecture editable uml deployment diagram. Hence, high level system information can be tracked down to individual components and even further to component services e.
A high level architecture hla is a family of related standards that together. Hla2mpc provides the link between hla high level architecture, ieee 1516 simulation federation data and any mpc 3 compliant simulation or visualization. Reid t computer sciences corporation, lanham, maryland 20706 usa abstract the high level architecture hla is a current u. In this article, i will be briefly explaining the following 10 common architectural patterns with their usage, pros and. In doing this, a standard approach for implementation of interoperability has been selected, namely the high level architecture hla, promoted by the us dod and which became the ieee 1516 standard. A uml deployment diagram showing high level architecture. The hla is a software architecture for creating computer models and simulation out of component models or simulations. In this paper, a proposal for a reusable architecture and visualization test bed based on high level architecture hla and unreal technology is provided for a high performance mas simulator. A generalized discrete event system gdevs flattened simulation structure. Software architecture also called high level software design is the first design step after analyzing all requirements for software. In general, simulation languagespackages may have special areas of use, distinct advanced features, and require specific computing environments such as operating systems oss, external application interfaces, and scripting languages.
As a joint industryacademic effort, a traffic simulation prototype has been developed by cci and. It provides the structural basis for simulation interoperability. Run reservoir simulation software on azure azure example. It defines the hla, its components, and the rules that outline the responsibilities of hla federates and federations to ensure a consistent implementation. Aggregate simulations distributed across heterogeneous hardware and software. Moreover, good visualization, rendering and interactive tools are needed for evaluating, testing and interacting with the system. Software that provides a standardized set of services, as specified in the hla federate interface specification. An individual simulation or set of simulations developed for one purpose can be applied to another application. The high level architecture hla is the middleware that is largely used for feeding simulation applications with data from the c2iss. Flames supports distributed simulation by providing builtin, customizable support for the high level architecture hla described below and the distributed interactive simulation dis standards. High level architecture integration defines the project level architecture of the system. Hla supports interoperability by specifying a set of standards that govern the exchange of information between simulations as they execute their respective scenarios. Also, the utilization of the highlevel architecture hla is explained and in particular, the processes of verification and validation in these composite models. The hla is an ieee standard architecture for distributed simulation environments that was originally developed for defense applications.
Design of a simulation environment based on software. A generalized discrete event system gdevs flattened. It contains major functional elements, interfaces, and design rules, pertaining to all dod simulation applications, and providing a common framework within which. Each system component and each system resource can be analysis in detail. High level architecture distributed space system simulation for simulation interoperability standards organization simulation smackdown. This section describes the highlevel system architecture and component design of microsoft enterprise desktop virtualization medv 2. However, each singlesimulation needs to interact with others because different simulation combinations are required due tonumerous disasters and their complex effects on facilities, and diverse. This paper describes the time management services that have been defined in the high level architecture. Highlevel architecture integration defines the projectlevel architecture of the system. An evaluation of the high level architecture hla as a framework for nasa modeling and simulation michael r. Building multiple resolution modeling systems using the high. View and share this diagram and more in your device.
Building multiple resolution modeling systems using the. A case study is presented for the use of docker in support of a training simulation based on the high level architecture hla. In our research, we aim at leveraging the c2is, simulation application combination by designing a collaborative environment that connects the different simulation applications. The high level architecture hla was developed under the leadership of the united states department of defense to support interoperability between different simulations.
Reservoir simulation uses dataintensive computer models to predict complex flows of fluids such as oil, water, and gas beneath the earths surface. Simulations are abstractions of the real world, and no one simulation can. Within the simulation community, componentbased modeling is becoming increasingly prevalent. Also, the utilization of the high level architecture hla is explained and in particular, the processes of verification and validation in these composite models. We analyze performance tests conducted on this new simulation. We express first the new flattened simulation structure and give the corresponding transformation functions. Highlevel architecture microsoft desktop optimization.
Aggregate simulations composed of multiple component simulations. High level architecture hla option flames modeling. Architectural patterns are similar to software design pattern but have a broader scope. Ieee standard hla leaves such issues of multiplexing model elements onto federates to the designers of the simulators. The standard was developed in the 90s under the leadership of the us department of defense and was later transitioned to become an open international ieee standard. Palladio software architecture simulator for performance, reliability, maintainability, and costs. The high level architecture hla is a standard for distributed simulation, used when building. The highlevel architecture hla is a standard for distributed simulation, used when building a simulation for a larger purpose by combining federating several simulations. Introduction the high level architecture hla is an architecture for reuse and interoperation of simulations.
Department of defense and an industry ieee1516 standard architecture for modeling and simulations. Ieee recommended practice for high level architecture hla federation development and execution process fedep. Esa modelling and simulation high level architecture hla. This section describes the high level system architecture and component design of microsoft enterprise desktop virtualization medv 2. The high level architecture hla was developed by the u. For advances statistical analysis, palladio connects to r. This standard, describing the framework and rules of the high level architecture hla, is the capstone document for a family of related hla standards. This example sets up reservoir simulation software on an azure highperformance computing hpc infrastructure.
Three implementations in the areas of aerospace, navy ships, and infantry combat are utilized to illustrate the mrm simulation concepts. The first part of the paper describes our work with distributed traffic simulation based on the high level architecture and. The hla is a software architecture for creating computer models or simulations out of component models or simulations. Simulation modeling of space missions using the high level. The high level architecture hla has been developed to provide a common architecture for distributed modeling and simulation. A software architecture to ease the development of. While the traditional approach of monolithic traffic simulation modeling has proven to be successful, distributed traffic simulations gain more attention. Paper trading platform is a simulated trading software that offers life like execution for etf, equities and options without any risk. Application to highlevel architecture hla compliant simulation of workflow gregory zacharewicz, maamar elamine hamri, claudia frydman, and norbert giambiasi. Sep 26, 2006 in doing this, a standard approach for implementation of interoperability has been selected, namely the high level architecture hla, promoted by the us dod and which became the ieee 1516 standard. Citeseerx document details isaac councill, lee giles, pradeep teregowda. The objective of the paper is to specify a new flattened generalized discrete event system simulation engine structure and the workflow modeling and simulation environment embedding it.
Alsp was designed to link together largescale constructive simulations used for. In this paper, a proposal for a reusable architecture and visualization test bed based on highlevel architecture hla and unreal technology is provided for a high performance mas simulator. High level architecture for simulation ieee conference publication. This book is an introduction to the high level architecture for modeling and simulation. The high level architecture hla is a standard for distributed discreteevent simulations, generally used to support analysis, engineering and training. A prototype software layer called run time infrastructre rti implements the functionallity described in the standard.
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