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Ashjaei, Seyed Mohammad HosseinORCID iD iconorcid.org/0000-0003-3469-1834
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Publications (10 of 51) Show all publications
Ashjaei, S. M. & Becker, M. (2020). Cloud Computing in Factory Automation: A Survey and Open Problems.
Open this publication in new window or tab >>Cloud Computing in Factory Automation: A Survey and Open Problems
2020 (English)Report (Other academic)
National Category
Engineering and Technology Computer Systems
Identifiers
urn:nbn:se:mdh:diva-47334 (URN)
Available from: 2020-03-12 Created: 2020-03-12 Last updated: 2020-03-12Bibliographically approved
Struhar, V., Behnam, M., Ashjaei, S. M. & Papadopoulos, A. (2020). Real-time containers: A survey. In: OpenAccess Series in Informatics: . Paper presented at 2nd Workshop on Fog Computing and the IoT, Fog-IoT 2020, 21 April 2020. Schloss Dagstuhl- Leibniz-Zentrum fur Informatik GmbH, Dagstuhl Publishing, 80
Open this publication in new window or tab >>Real-time containers: A survey
2020 (English)In: OpenAccess Series in Informatics, Schloss Dagstuhl- Leibniz-Zentrum fur Informatik GmbH, Dagstuhl Publishing , 2020, Vol. 80Conference paper (Refereed)
Abstract [en]

Container-based virtualization has gained a significant importance in a deployment of software applications in cloud-based environments. The technology fully relies on operating system features and does not require a virtualization layer (hypervisor) that introduces a performance degradation. Container-based virtualization allows to co-locate multiple isolated containers on a single computation node as well as to decompose an application into multiple containers distributed among several hosts (e.g., in fog computing layer). Such a technology seems very promising in other domains as well, e.g., in industrial automation, automotive, and aviation industry where mixed criticality containerized applications from various vendors can be co-located on shared resources. However, such industrial domains often require real-time behavior (i.e, a capability to meet predefined deadlines). These capabilities are not fully supported by the container-based virtualization yet. In this work, we provide a systematic literature survey study that summarizes the effort of the research community on bringing real-time properties in container-based virtualization. We categorize existing work into main research areas and identify possible immature points of the technology. © Václav Struhár, Moris Behnam, Mohammad Ashjaei, and Alessandro V. Papadopoulos; licensed under Creative Commons License CC-BY 2nd Workshop on Fog Computing and the IoT (Fog-IoT 2020).

Place, publisher, year, edition, pages
Schloss Dagstuhl- Leibniz-Zentrum fur Informatik GmbH, Dagstuhl Publishing, 2020
Keywords
Containers, Docker, LXC, PREEMPT_RT, Real-Time, RTAI, Xenomai, Application programs, Fog, Internet of things, Surveys, Virtualization, Industrial automation, Mixed criticalities, Performance degradation, Real-time properties, Research communities, Single computation, Software applications, Virtualization layers, Fog computing
National Category
Computer Engineering
Identifiers
urn:nbn:se:mdh:diva-47854 (URN)10.4230/OASIcs.Fog-IoT.2020.7 (DOI)2-s2.0-85083346508 (Scopus ID)9783959771443 (ISBN)
Conference
2nd Workshop on Fog Computing and the IoT, Fog-IoT 2020, 21 April 2020
Note

Conference code: 158924; Export Date: 30 April 2020; Conference Paper

Available from: 2020-04-30 Created: 2020-04-30 Last updated: 2020-04-30Bibliographically approved
Leonardi, L., Ashjaei, S. M., Fotouhi, H. & Lo Bello, L. (2019). A Proposal Towards Software-Defined Management of Heterogeneous Virtualized Industrial Networks. In: IEEE International Conference on Industrial Informatics (INDIN): . Paper presented at 17th IEEE International Conference on Industrial Informatics, INDIN 2019; Helsinki-Espoo; Finland; 22 July 2019 through 25 July 2019; Category numberCFP19INI-ART; Code 157260 (pp. 1741-1746). , Article ID 8972223.
Open this publication in new window or tab >>A Proposal Towards Software-Defined Management of Heterogeneous Virtualized Industrial Networks
2019 (English)In: IEEE International Conference on Industrial Informatics (INDIN), 2019, p. 1741-1746, article id 8972223Conference paper, Published paper (Refereed)
National Category
Engineering and Technology Computer Systems
Identifiers
urn:nbn:se:mdh:diva-43937 (URN)10.1109/INDIN41052.2019.8972223 (DOI)2-s2.0-85078313695 (Scopus ID)9781728129273 (ISBN)
Conference
17th IEEE International Conference on Industrial Informatics, INDIN 2019; Helsinki-Espoo; Finland; 22 July 2019 through 25 July 2019; Category numberCFP19INI-ART; Code 157260
Projects
Future factories in the Cloud
Available from: 2019-06-20 Created: 2019-06-20 Last updated: 2020-02-20Bibliographically approved
Struhar, V., Ashjaei, S. M., Behnam, M., Craciunas, S. & Papadopoulos, A. (2019). DART: Dynamic Bandwidth Distribution Framework for Virtualized Software Defined Networks. In: IEEE 45th Annual Conference of the Industrial Electronics Society IECON'19: . Paper presented at IEEE 45th Annual Conference of the Industrial Electronics Society IECON'19, 14 Oct 2019, Lisbon, Portugal.
Open this publication in new window or tab >>DART: Dynamic Bandwidth Distribution Framework for Virtualized Software Defined Networks
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2019 (English)In: IEEE 45th Annual Conference of the Industrial Electronics Society IECON'19, 2019Conference paper, Published paper (Refereed)
National Category
Engineering and Technology Computer Systems
Identifiers
urn:nbn:se:mdh:diva-45054 (URN)
Conference
IEEE 45th Annual Conference of the Industrial Electronics Society IECON'19, 14 Oct 2019, Lisbon, Portugal
Projects
Future factories in the CloudFORA - Fog Computing for Robotics and Industrial Automation
Available from: 2019-08-22 Created: 2019-08-22 Last updated: 2019-08-22Bibliographically approved
Ghaderi, A., Daneshtalab, M., Ashjaei, S. M., Loni, M., Mubeen, S. & Sjödin, M. (2019). Design challenges in hardware development of time-sensitive networking: A research plan. In: CEUR Workshop Proceedings, Volume 2457: . Paper presented at 2019 Cyber-Physical Systems PhD Workshop, CPSWS 2019; Alghero; Italy; 23 September 2019. CEUR-WS, 2457
Open this publication in new window or tab >>Design challenges in hardware development of time-sensitive networking: A research plan
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2019 (English)In: CEUR Workshop Proceedings, Volume 2457, CEUR-WS , 2019, Vol. 2457Conference paper, Published paper (Refereed)
Abstract [en]

Time-Sensitive Networking (TSN) is a set of ongoing projects within the IEEE standardization to guarantee timeliness and low-latency communication based on switched Ethernet for industrial applications. The huge demand is mainly coming from industries where intensive data transmission is required, such as in the modern vehicles where cameras, lidars and high-bandwidth modern sensors are connected. The TSN standards are evolving over time, hence the hardware needs to change depending upon the modifications. In addition, high performance hardware is required to obtain a full benefit from the standards. In this paper, we present a research plan for developing novel techniques to support a parameterized and modular hardware IP core of the multi-stage TSN switch fabric in VHSIC (Very High Speed Integrated Circuit) Hardware Description Language (VHDL), which can be deployed in any Field-Programmable-Gate-Array (FPGA) devices. We present the challenges on the way towards the mentioned goal. 

Place, publisher, year, edition, pages
CEUR-WS, 2019
Series
CEUR Workshop Proceedings, ISSN 1613-0073 ; 2457
Keywords
FPGA, Memory management, Predictability, Time-sensitive network, Cyber Physical System, Embedded systems, Field programmable gate arrays (FPGA), Integrated circuit design, Vehicle transmissions, Design challenges, Hardware development, High-performance hardware, Low-latency communication, Switched ethernet, Very high speed integrated circuits, Computer hardware description languages
National Category
Computer Engineering Embedded Systems
Identifiers
urn:nbn:se:mdh:diva-45837 (URN)2-s2.0-85073187187 (Scopus ID)
Conference
2019 Cyber-Physical Systems PhD Workshop, CPSWS 2019; Alghero; Italy; 23 September 2019
Available from: 2019-10-25 Created: 2019-10-25 Last updated: 2019-12-18Bibliographically approved
Mubeen, S., Ashjaei, S. M. & Nolin, M. (2019). Holistic modeling of time sensitive networking in component-based vehicular embedded systems. In: Euromicro Conference on Software Engineering and Advanced Applications SEAA 2019: . Paper presented at 45th Euromicro Conference on Software Engineering and Advanced Applications, SEAA 2019; Kallithea, Chalkidiki; Greece; 28 August 2019 through 30 August 2019 (pp. 131-139). Institute of Electrical and Electronics Engineers Inc., Article ID 8906692.
Open this publication in new window or tab >>Holistic modeling of time sensitive networking in component-based vehicular embedded systems
2019 (English)In: Euromicro Conference on Software Engineering and Advanced Applications SEAA 2019, Institute of Electrical and Electronics Engineers Inc. , 2019, p. 131-139, article id 8906692Conference paper, Published paper (Refereed)
Abstract [en]

This paper presents the first holistic modeling approach for Time-Sensitive Networking (TSN) communication that integrates into a model- and component-based software development framework for distributed embedded systems. Based on these new models, we also present an end-to-end timing model for TSN-interconnected distributed embedded systems. Our approach is expressive enough to model the timing information of TSN and the timing behaviour of software that communicates over TSN, hence allowing end-to-end timing analysis. A proof of concept for the proposed approach is provided by implementing it for a component model and tool suite used in the vehicle industry. Moreover, a use case from the vehicle industry is modeled and analyzed with the proposed approach to demonstrate its usability.

Place, publisher, year, edition, pages
Institute of Electrical and Electronics Engineers Inc., 2019
National Category
Engineering and Technology Computer Systems
Identifiers
urn:nbn:se:mdh:diva-43938 (URN)10.1109/SEAA.2019.00029 (DOI)2-s2.0-85075976368 (Scopus ID)
Conference
45th Euromicro Conference on Software Engineering and Advanced Applications, SEAA 2019; Kallithea, Chalkidiki; Greece; 28 August 2019 through 30 August 2019
Projects
DESTINE: Developing Predictable Vehicle Software Utilizing Time Sensitive Networking
Available from: 2019-06-20 Created: 2019-06-20 Last updated: 2020-02-04Bibliographically approved
Afshar, S. Z., Koroorian, F., Ashjaei, S. M. & Granlund, A. (2019). Investigating Alternatives for System Architectures to Enhance Discrete Manufacturing. International Journal of Distributed Sensor Networks, 15(8), Article ID 1550147719868668.
Open this publication in new window or tab >>Investigating Alternatives for System Architectures to Enhance Discrete Manufacturing
2019 (English)In: International Journal of Distributed Sensor Networks, ISSN 1550-1329, E-ISSN 1550-1477, Vol. 15, no 8, article id 1550147719868668Article in journal (Refereed) Published
Abstract [en]

This article investigates the possibility of advancing discrete manufacturing using system architectures that are developed for Collaborative Process Automation Systems. Collaborative Process Automation System is a technology that has the potential to achieve production excellence for process industry. However, not much attention has been paid on using the architectures based on Collaborative Process Automation Systems for discrete manufacturing domains. In this article, we propose a base architecture consisting of three layers, and we discuss various alternatives to make the communications among the layers. We consider legacy components in the proposal, in contrast to most of the related works. In order to show the practicality of the proposed alternatives, we present an example that has been implemented in an ongoing project at ABB Robotics in Sweden.

Place, publisher, year, edition, pages
Sweden: , 2019
National Category
Engineering and Technology Computer Systems
Identifiers
urn:nbn:se:mdh:diva-45055 (URN)10.1177/1550147719868668 (DOI)000480567000001 ()2-s2.0-85071733197 (Scopus ID)
Projects
XPRES - Excellence in Production ResearchPADME - Process Automation for Discrete Manufacturing Excellence
Available from: 2019-08-22 Created: 2019-08-22 Last updated: 2019-10-11Bibliographically approved
Causevic, A., Lisova, E., Ashjaei, S. M. & Ashgar, S. U. (2019). On incorporating security parameters in service level agreements. In: CLOSER 2019 - Proceedings of the 9th International Conference on Cloud Computing and Services Science: . Paper presented at 9th International Conference on Cloud Computing and Services Science, CLOSER 2019, 2 May 2019 through 4 May 2019 (pp. 48-57). SciTePress
Open this publication in new window or tab >>On incorporating security parameters in service level agreements
2019 (English)In: CLOSER 2019 - Proceedings of the 9th International Conference on Cloud Computing and Services Science, SciTePress , 2019, p. 48-57Conference paper, Published paper (Refereed)
Abstract [en]

With development of cloud computing new ways for easy, on-demand, Internet-based access to computing resources have emerged. In such context a Service Level Agreement (SLA) enables contractual agreements between service providers and users. Given an SLA, service users are able to establish trust in that the service outcome corresponds to what they have demanded during the service negotiation process. However, an SLA provides a limited support outside of basic Quality of Service (QoS) parameters, especially when it comes to security. We find security as an important factor to be included in adjusting an SLA according to user defined objectives. Incorporating it in an SLA is challenging due to difficulty to provide complete and quantifiable metrics, thus we propose to focus on a systematic way of addressing security using the security process. In this paper we investigate ways in which security might be incorporated already in the service negotiation process and captured in an SLA. We propose a corresponding process to develop and maintain an SLA that considers both design-, and run-time. To demonstrate the approach we built upon the existing SLAC language and extend its syntax to support security. An example of a service being provided with security guarantees illustrates the concept.

Place, publisher, year, edition, pages
SciTePress, 2019
Keywords
Cloud computing, Run-time monitoring, Security, Security process, Service level agreement, SLAC, Outsourcing, Contractual agreements, Negotiation process, Quality of Service parameters, Runtime Monitoring, Security parameters, Service Level Agreements, Quality of service
National Category
Computer and Information Sciences
Identifiers
urn:nbn:se:mdh:diva-44880 (URN)10.5220/0007658000480057 (DOI)2-s2.0-85067500149 (Scopus ID)9789897583650 (ISBN)
Conference
9th International Conference on Cloud Computing and Services Science, CLOSER 2019, 2 May 2019 through 4 May 2019
Note

Conference code: 148430; Export Date: 11 July 2019; Conference Paper

Available from: 2019-07-11 Created: 2019-07-11 Last updated: 2019-10-15Bibliographically approved
Houtan, B., Ashjaei, S. M., Daneshtalab, M., Sjödin, C. & Mubeen, S. (2019). Work in progress: Investigating the effects of high priority traffic on the best effort traffic in TSN networks. In: Proceedings - Real-Time Systems Symposium: . Paper presented at 40th IEEE Real-Time Systems Symposium, RTSS 2019; Hong Kong; China; 3 December 2019 through 6 December 2019; Category numberCFP19092-ART; Code 158990 (pp. 556-559). Institute of Electrical and Electronics Engineers Inc., Article ID 9052124.
Open this publication in new window or tab >>Work in progress: Investigating the effects of high priority traffic on the best effort traffic in TSN networks
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2019 (English)In: Proceedings - Real-Time Systems Symposium, Institute of Electrical and Electronics Engineers Inc. , 2019, p. 556-559, article id 9052124Conference paper, Published paper (Refereed)
Abstract [en]

This paper investigates the effects of various parameters of high priority traffic classes on the Best Effort (BE) traffic in the networks based on the IEEE Time Sensitive Networking (TSN) standards. In this regard, the paper discusses ongoing work and presents preliminary results using a TSN simulator. The results indicate that several parameters of the high priority traffic such as periods, offsets and preemption modes can have a significant impact on the quality of service (e.g., guaranteed message delivery and message delays) of the BE traffic.

Place, publisher, year, edition, pages
Institute of Electrical and Electronics Engineers Inc., 2019
Keywords
Automotive networks, Best effort traffic, Real time networks, Time Sensitive Networking, TSN, Interactive computer systems, Quality of service, Best-Effort Traffic, Message delay, Message delivery, Traffic class, Work in progress, Real time systems
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
urn:nbn:se:mdh:diva-47562 (URN)10.1109/RTSS46320.2019.00063 (DOI)2-s2.0-85083239720 (Scopus ID)9781728144030 (ISBN)
Conference
40th IEEE Real-Time Systems Symposium, RTSS 2019; Hong Kong; China; 3 December 2019 through 6 December 2019; Category numberCFP19092-ART; Code 158990
Available from: 2020-04-23 Created: 2020-04-23 Last updated: 2020-04-23Bibliographically approved
Cao, J., Ashjaei, S. M., Cuijpers, P. J. .., J. Bril, R. & Lukkien, J. (2018). An Independent yet Efficient Analysis of Bandwidth Reservation for Credit-based Shaping in Ethernet TSN. In: International Workshop on Factory Communication Systems WFCS'18: . Paper presented at International Workshop on Factory Communication Systems WFCS'18, 13 Jun 2018, Imperia, Italy (pp. 1-10). Imperia, Italy
Open this publication in new window or tab >>An Independent yet Efficient Analysis of Bandwidth Reservation for Credit-based Shaping in Ethernet TSN
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2018 (English)In: International Workshop on Factory Communication Systems WFCS'18, Imperia, Italy, 2018, p. 1-10Conference paper, Published paper (Refereed)
Abstract [en]

Ethernet TSN is an upcoming communication standard for industrial distributed embedded systems with high demands on bandwidth and traffic delay. In this paper, we present and prove an improved analysis to determine bandwidth reservations for credit based shapers in a single Ethernet TSN switch. We compare this new analysis, which is based on eligible intervals, to the state-of-the-art bandwidth reservation analysis based on busy periods through experiments. Despite its low complexity and the independence of the knowledge of the interfering traffic, the results show an improvement of efficiency, i.e., a decrease of the required bandwidth, for the new analysis.

Place, publisher, year, edition, pages
Imperia, Italy: , 2018
National Category
Computer Systems
Identifiers
urn:nbn:se:mdh:diva-38966 (URN)10.1109/WFCS.2018.8402345 (DOI)000490863500009 ()2-s2.0-85050016783 (Scopus ID)978-1-5386-1066-4 (ISBN)
Conference
International Workshop on Factory Communication Systems WFCS'18, 13 Jun 2018, Imperia, Italy
Projects
Future factories in the Cloud
Available from: 2018-04-10 Created: 2018-04-10 Last updated: 2019-10-31Bibliographically approved
Organisations
Identifiers
ORCID iD: ORCID iD iconorcid.org/0000-0003-3469-1834

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