Methodology for Assessing of Communication Protocols for Distributed Simulation of Road Traffic

Potužák, Tomáš

doi:10.1109/ds-rt52167.2021.9576152

Cited by 2 publications

(51 citation statements)

References 33 publications

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“…Besides our original methodology described in Potuzak, 5 we were unable to find any similar methodology for assessment of high-level communication protocols. However, the performance of general distributed simulations or distributed road traffic simulation is investigated quite often.…”

Section: Related Workmentioning

confidence: 99%

“…For this purpose, a sort of lane-block information is usually used (e.g., in Ramamohanarao et al 1 or Potuzak and Herout 22 ). 5 The processes must be also synchronized to ensure that the sent vehicles and lane-blocks arrive in correct time step. The exact way, how this information is exchanged among the simulation processes using the message passing, is specified by the high-level communication protocols.…”

Section: High-level Communication Protocolmentioning

confidence: 99%

“…However, the performance of general distributed simulations or distributed road traffic simulation is investigated quite often. 5 Existing approaches are briefly described in the following sections.…”

Section: Related Workmentioning

confidence: 99%

“…Since the main reason for running a simulation on a distributed computer is to reduce the total computation time, the speedup is the most often used attribute for the performance of the distributed simulation (e.g., in Alian et al, 25 Bononi et al, 26 or Cavitt et al 27 ). 5 The performance of the distributed simulation is quite often investigated in relation to the size of the model (e.g., in Alian et al, 25 Djemame et al, 28 or Wegener et al 29 ) and the number of simulation processes (e.g., in Klefstad et al 3 or Lee et al 30 ). The number of used simulation processes usually depends on the number of nodes of the distributed computer.…”

Section: General Distributed Simulation Assessmentmentioning

confidence: 99%

“…Each process usually simulates a portion of the road traffic network-a traffic sub-network. 5 In a distributed computing environment, the interprocess communication is (along with other important aspects, such as load-balancing) one of the main bottlenecks limiting the speed of the entire computation. Although the inter-process communication in the distributed computing environment is always based on the message passing, the exact way, how the processes exchange the information can vary significantly.…”

Section: Introductionmentioning

confidence: 99%

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Improved methodology for assessment of communication protocols for distributed road traffic simulation

Potužák

2022

SIMULATION

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A computer simulation of road traffic is a commonly used tool, which can help to manage constantly intensifying road traffic. It can help to analyze behavior of existing road traffic networks or to predict the behavior of new designed road traffic structures. There are several existing simulators designed or adapted to run in a distributed computing environment in order to achieve a faster execution. In this environment, the inter-process communication ensured by a high-level communication protocol is one of the main bottlenecks limiting the speed of the entire computation. Various high-level communication protocols can have various efficiency, applicability, and scalability. This paper describes an improved methodology for testing and assessment of high-level communication protocols for micro-scale (or microscopic) distributed road traffic simulations. The methodology investigates the dependencies of the communication protocols’ performance on various features of the simulation and enables to easily calculate score for each of the tested protocols. Using the scores, the tested protocols can be directly compared. This can be useful when designing or improving a distributed road traffic simulation as the best protocol can be used in this simulation to improve its performance (e.g., its speedup or communication time). The improved version of the methodology is an evolution of its original version. It newly incorporates the assessment of the error introduced into the simulation by lossy communication protocols and reduces overall number of performed tests. The improved methodology was tested using a case study assessing several communication protocols of our own design.

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Section: Related Workmentioning

confidence: 99%

Section: High-level Communication Protocolmentioning

confidence: 99%

Section: Related Workmentioning

confidence: 99%

Section: General Distributed Simulation Assessmentmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Improved methodology for assessment of communication protocols for distributed road traffic simulation

Potužák

2022

SIMULATION

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Construction of systemic interaction between tools of remote monitoring of the technical condition and operation modes of a truck vehicle

Gritsuk,

Khudiakov,

Volodarets

et al. 2024

EEJET

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Parameters of the technical condition of transportation means in modern transport-logistics and infrastructure systems are an integral element of their communication support. This is enabled by the use of remote information monitoring technologies in control processes. The object of this study is the processes of vehicle remote monitoring in terms of determining the technical condition. The work addressed the task of improving the process of vehicle technical operation through the construction of a model of the remote monitoring system of its technical condition. A remote version of the information-analytical monitoring system was implemented. The work considers the system interaction of the means of remote monitoring of the state of a vehicle to ensure control under the operating conditions of the driver's work and rest modes. Road, transport, climatic conditions, etc. were taken into account. Considering these features, an information and analytical model of the system for remote monitoring of vehicle condition was built. Features of the subject area of the system are described using a DFD diagram. A structured information model of the information-communication system has been constructed, which has the ability to actually provide vehicle remote monitoring, the driver's work and rest modes, and his/her physical condition. The results, subject to the use of the V2I information model in the field of transport, allow remote monitoring of the vehicle technical condition. Specifically, to analyze the influence of changes in the physical condition and modes of work and rest of drivers on changes in the vehicle operating parameters

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Methodology for Assessing of Communication Protocols for Distributed Simulation of Road Traffic

Cited by 2 publications

References 33 publications

Improved methodology for assessment of communication protocols for distributed road traffic simulation

Improved methodology for assessment of communication protocols for distributed road traffic simulation

Construction of systemic interaction between tools of remote monitoring of the technical condition and operation modes of a truck vehicle

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