Marek Bolanowski

• Doctor of Engineering
• Rzeszów University of Technology

In the paper an example of an integrated Software-Defined Network (SDN) system with heterogeneous technological instances based on the Linux platform will be shown. For this purpose, two research testing stands with a POX controller and OVS (Open vSwitch) switches were used. In the first testing stand, the research based on the ICMP traffic was don...

The article proposes a new model for defining and implementing performance tests used in the process of designing and operating IT systems. By defining the objectives, types, topological patterns, and methods of implementation, a coherent description of the test preparation and execution is achieved, facilitating the interpretation of results and e...

IoE components are becoming an integral part of our lives and support the operation of systems such as smart homes, smart cities, or Industry 4.0. The large number and variety of IoE components force the creation of flexible systems for data acquisition, processing, and analysis. The work presents a proposal for a new flexible architecture model an...

The article presents an attempt to identify an appropriate regression model for the estimation of cutting tool lifespan in the milling process based on the analysis of the R² parameters of these models. The work is based on our own experiments and the accumulated database (which we make available for further use). The study uses a Haas VF-1 milling...

This work concerns automation of the training process, using modern information technologies, including virtual reality (VR). The starting point is an observation that automotive and aerospace industries require effective methods of preparation of engineering personnel. In this context, the technological process of preparing operations of a CNC num...

Continuous, real-time monitoring of occupational health and safety in high-risk workplaces such as construction sites can substantially improve the safety of workers. However, introducing such systems in practice is associated with a number of challenges, such as scaling up the solution while keeping its cost low. In this context, this work investi...

The concept of extended cloud requires efficient network infrastructure to support ecosystems reaching form the edge to the cloud(s). Standard network load balancing delivers static solutions that are insufficient for the extended clouds, where network loads change often. To address this issue, a genetic algorithm based load optimizer is proposed a...

The concept of extended cloud requires efficient network infrastructure to support ecosystems reaching form the edge to the cloud(s). Standard approaches to network load balancing deliver static solutions that are insufficient for the extended clouds, where network loads change often. To address this issue, a genetic algorithm based load optimizer...

While actual deployments of fifth generation (5G) networks are in their initial stages and the actual need for 5G in our daily lives remains an open question, their potential to deliver high speed, low latency, and dependable communication services remains promising. Nevertheless, sixth generation (6G) networks have been proposed as a way to enhanc...

The idea of Industry as a Service (IDaaS) is the concept of sharing devices among companies, as well as for individual users. In IDaaS model user has access to industries endpoint devices (manufacturing equipment) with specialized software and dedicated tools. Examples of devices that can be leased/shared in this way are e.g. 3D printers, CNC machi...

The aim of this contribution is to analyse practical aspects of the use of REST APIs and gRPC to realize communication tasks in applications in microservice-based ecosystems. On the basis of performed experiments, classes of communication tasks, for which given technology performs data transfer more efficiently, have been established. This, in turn...

In this work, the development of virtual reality software for “industrial applications” is considered. It is argued that, in this context, the vast experience from the development of computer games cannot be used directly. Especially, the specific nature of solutions dedicated to industrial applications requires taking into account their specificit...

The aim of this contribution is to analyse practical aspects of the use of REST APIs and gRPC to realize communication tasks in applications in microservice-based ecosystems. On the basis of performed experiments, classes of communication tasks, for which given technology performs data transfer more efficiently, have been established. This, in turn...

In recent years, 5G network systems start to offer communication infrastructure for Internet of Things (IoT) applications, especially for health care service providers. In smart health care systems, edge computing enabled Internet of Medical Things (IoMT) is an innovative technology to provide online health care monitoring facility to patients. Her...

This contribution concerns load balancing, based on mechanisms from complex systems theory dedicated to IoT solutions within the Edge-Cloud continuum. The basis of considered mechanisms is the betweenness analysis applied to distributed nodes in a wireless IoT network. A high value of this parameter can indicate the key role of a given node, which...

In this contribution, analysis of usefulness of selected parameters of a distributed information system, for early detection of anomalies in its operation, is considered. Use of statistical analysis, or machine learning (ML), can result in high computational complexity and requirement to transfer large amount of data from the monitored system’s ele...

5G networks offer novel communication infrastructure for Internet of Things applications, especially for healthcare applications. There, edge computing enabled Internet of Medical Things provides online patient status monitoring. In this contribution, a Chicken Swarm Optimization algorithm, based on Energy Efficient Multi-objective clustering is ap...

The article presents the possibility of incremental processing of polymeric materials using the network structure of INDUSTRY 4.0. The selected network control systems for 3D printers processing polymer materials were analyzed in terms of software and hardware identification used in industrial conditions, science and education. Both solutions requi...

The paper concentrates on the issues related to the detection of anomalies in computer networks that are used in Small and Medium Enterprises (SME). The authors proposed the architecture of such a system based on the use of the initial traffic classifier and an arbiter supervising the work of the network. In this solution, after the learning stage...

This paper presents an entirely new approach to the use of virtual reality (VR) in the educational process for the needs of Industry 4.0. It is based on the proposed comprehensive methodology, including the design, creation, implementation and evaluation of individual courses implemented in a VR environment. An essential feature of the new methodol...

This paper presents the process for creating an integrated design and manufacturing environment supporting 3D printing as part of the structure of Industry 4.0. This process is based on a developed framework for the design of modern automated and computerized infrastructure. The task of the described system is to combine all the steps included in t...

This paper proposes anew architecture for wide area networks. The architecture is based on the concept of independent islands connected via adynamically reconfigured core. Reconfiguration can take place at the level of the physical layer and data link layer, which forces the reconfiguration of other network protocols. During normal network operatio...

Featured Application The proposed model and architecture can be used to build virtual prototyping laboratories, taking into account geographically distributed human, manufacturing, and measurement resources, which will be seen as one coherent cyber-human system. This will accelerate the time needed to develop a prototype and reduce the cost of its...

In the paper, the authors presented a new model of software development for the implementation of a service supporting the design and manufacturing process intended mainly for Industry 4.0. This model is based on distributed resources which integration and control occurs using centralized components. This approach has enabled the development of a h...

Featured Application The results of the work may find a potential application in creating effective wireless communication environments with high probability connections; for example, for IoT. Abstract The paper focuses on the phenomenon of phase transitions related to changes taking place directly in a network structure; i.e., in physical topolog...

The article is the second part of the paper [1], which describes the possibilities of applying the Industry 4.0 concept in production processes related to the processing of polymer materials. In this part, the structure of the information system architecture has been analyzed, which can be used in the plastics processing. An architecture dedicated...

The article refers to the idea of using the software defined network (SDN) as an effective hardware and software platform enabling the creation and dynamic management of distributed ICT infrastructure supporting the rapid prototyping process. The authors proposed a new layered reference model remote distributed rapid prototyping that allows the dev...

Currently, IT systems require more and more reliability. It can be guaranteed only by using redundancy both in the connectivity and network devices. The authors attempted to measure the convergence time for EIGRP and OSPF routing protocols after link or network nodes failure. Research have been conducted with the real devices and hardware traffic g...

Examples of applications of the Industry 4.0 concept in manufacturing operations connected with processing of polymer materials were presented. Implementation of Industry 4.0 structure aims at increasing the speed of manufacturing with simultaneous decrease in the number of defective products. Such results are enabled by the use of integrated infor...

The process of creating software for modeling and simulation of phenomena taking place in computer networks should take into account many aspects of their functioning. However, until now, the creation of such software was based on a reductionist approach. This approach is typical for simple or most complicated systems. In contrast, software for mod...

This article presents the use of the Link Aggregation Control Protocol (LACP) for detection of anomalies in network traffic. The idea itself is based on checking the representativeness of a single LACP link for the whole traffic transmitted by the aggregation. This approach allows to reduce the requirements for the performance of threat detection s...

Models describing the wireless network environment in most cases are based on the assumption that they are simple systems. However, the parameters describing this type of networks are particularly sensitive to the volatility of the operating conditions. Simple systems take only two operating states into account apart from an overload state, i.e. un...

This article presents a new approach for detecting anomalies in the computer network. The approach is based on the determination of the network traffic statistical parameters in case of normal condition. When network anomaly happens, usually more than one statistical parameter is change. A set of parameters that have changed can be used to identify...

In the paper, the authors present a method of anomalies detection and identification in network traffic using statistical signatures. There is also shown a new system architecture based on the Software-Defined Networking (SDN) which allows for application of statistical anomaly detection in computer networks. With the proposed hardware-software mod...

In the paper, there is presented the comparison of the quality of three-dimensional object measurement by scanning devices using a coherent light beam and a structured light field. Several selected issues from the fringe pattern analysis, as well as the characteristics of terrestrial laser scanning are also presented. The comparative analysis was p...

Limited resources are a natural feature of most real systems, both artificial and natural ones. This causes the need for effective management of access to existing resources. In this area, queuing systems are of special application. However, they are treated as simple systems for which two states are characteristic: work underload and work on the b...

In the article the authors propose a method for load-balancing of network resources for the case which uses a routing protocols. In the first part of the article the authors present currently used algorithms for load balancing and possibilities of their modification. Through the introduction of additional hardware components for each node: the agen...

The paper presents a performance study of wireless MESH networks in the context of the convergent transmission. Nowadays, the integration of voice, video and data is becoming the norm. However, the wireless LAN environment, and especially MESH technology is an unfriendly environment due to its characteristics. Therefore, the impact of the size of t...

Selection of components in contemporary computer networks is extremely important, not only because of the project budget but also because of the network performance. Therefore, it is necessary to perform tests before deploying devices. In this paper the authors show that the performance of test network devices is dependent on the nature of network...

In the paper we present a method for synthesis of a set of connection networks, which fulfill the designer’s assumption. In order to do that, the designed network is presented as a system of Diophantine constraints in a special form. A method to resolve those systems is proposed, which is characterized by lower computational complexity, especially...

Processes occurring in wireless networks are characterized by dynamic changes. From this perspective, the adoption of the traditional model their description based on a reductionist paradigm of simple systems is a major simplification. Therefore, the WLAN networks in the context of complex systems will be acquainting in this paper. Additionally, ar...

The article presents a new model for intrusion detection in computer networks using the method based on statistical signatures. The proposed method allows for dynamic switching policy change in the demilitarized zone that will be triggered by changing network traffic statistics parameters represented by a time series. We will present selected stati...

One of the basic problem of the project process is to create a structure of communication sys- tems with optimal techno-economic factors. In this paper we show optimization capital costs methods of creating the network infrastructure with reference to the defined parameters which describe a designing topology.

This work begins with presentation of modern teleinformatic systems functional problems. The authors indicate the necessity of using the multichannel communication technologies. Next, the building and exploitation costs analysis of interconnection systems was shown. Methodology of including designing system exploitation costs during the designing p...

In this paper we present optical communication multibus system including: physical topology, logical topology, structure of central control unit (CCU). We describe the task of CCU: analyze the state of logical buses, topology reconfiguration, system structures clustering, unexpected events handling, statistic gathering, etc. In this paper we presen...