About Me

I am a postdoctoral researcher at the Department of Information Technology, Alpen-Adria-Universität, Klagenfurt, Austria. Before joining the team, I was an Assistant Professor at the Azad University of Mashhad, Iran. I received my Ph.D. in Computer Engineering from the Department of Computer Engineering, Ferdowsi University of Mashhad, Iran.

Reseach Interests

End-to-End latency and QoE in Video Streaming,
Software-Defined Networking (SDN),
Network Function Virtualization (NFV),
Reinforcement Learning, Mathematical Modeling and Distributed Optimization.

Contact Information

Email:       farzad(dot)tashtarian(at)aau(dot)at,
                     tashtarian(at)ieee.org
Phone:     +43 463 2700 3635
Address: Universitätsstraße 65–67
                     9020 Klagenfurt am Wörthersee

News

Our paper "Quality Optimization of Live Streaming Services over HTTP with Reinforcement Learning", has been accepted for publication in IEEE Global Communications Conference (GLOBECOM), 2021.

Our paper "LwTE: Light-weight Transcoding at the Edge", has been accepted for publication in IEEE Access, 2021.

Farzad Tashtarian is Co-Chair of ViSNext 2021 Workshop at the ACM CoNEXT 2021 Conference (link).

Our paper "A Distributed Delivery Architecture for User Generated Content Live Streaming over HTTP", has been accepted at the 46th IEEE Conference on Local Computer Networks (LCN) Oct. 4-7, Edmonton, Canada, 2021.

Our paper "CSDN: CDN-Aware QoE Optimization in SDN-Assisted HTTP Adaptive Video Streaming", has been accepted at the 46th IEEE Conference on Local Computer Networks (LCN) Oct. 4-7, Edmonton, Canada, 2021.

Professional Exprience

Postdoctoral Researcher [July 2020- Present],
ATHENA Project,
Department of Information Technology (ITEC,)
Alpen-Adria-Universität Klagenfurt, Austria.

Assistant Professor [November 2014- Present],
Lecturer [2009-2014],
Department of Computer Engineering, Islamic Azad University, Mashhad, Iran.

Visiting Scholar [February to October 2013],
Department of Electrical and Computer Engineering,
University of Missouri - Kansas City, Kansas City, Missouri, USA.

IP-PBX Type Approval Laboratory, Technical Specialist [2010-2014],
Lecturer [2009-2010],
Department of Computer Engineering, Ferdowsi University of Mashhad, Mashhad, Iran.

Publications

  • LwTE: Light-weight Transcoding at the Edge,
    Erfanian, A., Amirpour, H., Tashtarian, F., Timmerer, C., Hellwagner, H.,
    IEEE Access (2021).

    OSCAR: On Optimizing Resource Utilization in Real-time Video Streaming,
    Erfanian, A., Tashtarian, F., Zabrovskiy, A.,Timmerer, C., Hellwagner, H.,
    IEEE Transaction on Network and Service Management (2020).

  • A Novel Framework with an SDN Approach for Throughput Maximization and Balanced Load Distribution in the Cloudlet Network
    Shahryari, S., Hosseini Seno, S.A, Tashtarian, F.,
    The Future Generation Computer Systems (2020).

  • Load-Balancing Algorithm for Multiple Gateways in Fog-based Internet of Things,
    Banaie, F., Yaghmae, M.H., Hosseini Seno S.A., Tashtarian, F.,
    IEEE Internet of Things Journal (2020).

    CoDeC: A Cost-Effective and Delay-Aware SFC Deployment,
    Tashtarian, F., Faten Zhani, M., Fatemipour, B., Yazdani, B.,
    IEEE Transactions on Network and Service Management (2019).

  • S2VC: An SDN-based Framework for Maximizing QoE in SVC-Based HTTP Adaptive Streaming,
    Tashtarian, F., Erfanian. A, and Varasteh, A.,
    Elsevier Computer Networks (2018).

  • Multihop Data Gathering in WSNs with A Mobile Sink,
    Tashtarian, F., Sohraby, K., and Varasteh, A.,
    International Journal of Communication Systems (2017).

  • Distributed Lifetime Optimization in Wireless Sensor Networks using Al-ternating Direction Method of Multipliers,
    Tashtarian, F., Montazerolghaem, A., and Varasteh, A.,
    International Journal of Communication Systems (2017).

  • A Load-Balanced Call Admission Controller for IMS Cloud Computing,
    Montazerolghaem, A., Moghaddam, M.H.Y., Leon-Garcia, A., Naghibzadeh, Tashtarian, F.,
    IEEE Transactions on Network and Service Management, January (2016).

  • Overload Mitigation Mechanism for VoIP Networks: A Transport Layer Approach Based on Resource Management,
    Montazerolghaem, A., Hosseini Seno, S. A., Moghaddam, M. H. Y., Tashtarian, F.,
    Transactions on Emerging Telecommunications Technologies 27.6 (2016).

  • Controlling Mobile Sink Trajectory for Data Harvesting in WSNs,
    Tashtarian, F., Majma, M.R. , Pedram, H., ; TakhtFooladi, M.D.,
    Wireless Personal Communications 90.3 (2016).

  • On Maximizing the Lifetime of Wireless Sensor Networks in Even- Driven Applications with Mobile Sinks,
    Tashtarian, F., Moghaddam, M. H. Y., Sohraby, K., Effati, S.,
    IEEE Transactions on Vehicular Technology 64.7 (2015).

  • ODT: Optimal Deadline-based Trajectory for Mobile Sinks in WSN: A De-cision Tree and Dynamic Programming Approach,
    Tashtarian, F., Moghaddam, M.H.Y., Sohraby, K., Effati, S.,
    Elsevier Computer Networks 77 (2015).

  • Quality Optimization of Live Streaming Services over HTTP with Reinforcement Learning,
    Tashtarian, F., R. Falanji, R., Bentaleb, A., Erfanian, A., Mashhadi, P. S., Timmerer, C., Hellwagner, H., Zimmermann, R.,
    The IEEE Global Communications Conference (GLOBECOM), Madrid, Spain, 2021.

  • A Distributed Delivery Architecture for User Generated Content Live Streaming over HTTP,
    Tashtarian, F., Bentaleb, A., Farahani, R., Nguyen, M., Timmerer, C. Hellwagner, H., Zimmermann, R.
    The 46th IEEE Conference on Local Computer Networks (LCN) Oct. 4-7, Edmonton, Canada, 2021.

  • CSDN: CDN-Aware QoE Optimization in SDN-Assisted HTTP Adaptive Video Streaming,
    Farahani, R., Tashtarian, F., Amirpour, H., Timmerer, C., Ghanbari, M., Hellwagner, H.,
    The 46th IEEE Conference on Local Computer Networks (LCN) Oct. 4-7, Edmonton, Canada, 2021.

  • ES-HAS: An Edge- and SDN-Assisted Framework for HTTPAdaptive Video Streaming,
    Farahani, R., Tashtarian, F., Erfanian, A., Timmerer, C., Ghanbari, M., Hellwagner, H.,
    The 31st workshop on network and operating systems support for digital audio and video (ACM NOSSDAV), 2021.

  • On Optimizing Resource Utilization in AVC-based Real-time Video Streaming,
    Erfanian, A., Tashtarian, F., Farahani, R., Timmerer, C., Hellwagner, H.,
    The 6th IEEE International Conference on Network Softwarization (IEEE NetSoft), 2020.

  • On Maximizing QoE in AVC-Based HTTP Adaptive Streaming: An SDN Approach,
    Erfanian, A, Tashtarian, F., Moghaddam, M.H.Y,
    The IEEE/ACM International Symposium on Quality of Service (IWQoS), Alberta, Canada, (2018).

  • An Optimal Spatial and Temporal Charging Schedule for Electric Vehicles in Smart Grid,
    Barabadi, B., Tashtarian, F., and Moghaddam, M.H.Y,
    The IEEE Global Communications Conference (GLOBECOM), Dubai, 2018.

  • Distributed Lifetime Optimization of Wireless Sensor Networks in Smart Grid,
    Tashtarian, F., Montazerolghae, A., Nokar MA,
    The IEEE International Conference on Smart Energy Grid Engineering (SEGE), Oshawa, Canada, 2018.

  • Distributed VNF Scaling in Large-scale Datacenters: An ADMM-based Approach,
    Tashtarin, F., Varasteh, A., Montazerolghae, A., & Kellerer. W,
    The 17th IEEE International Conference on Communication Technology (ICCT), 27-30 October, Chengdu, China, 2017.

  • On Reliability-Aware Server Consolidation in Cloud Datacenters,
    Varasteh, A., Tashtarian, F., & Goudarzi, M.,
    The 16th International Symposium on Parallel and Distributed Computing (ISPDC), 2017.

  • Overload Control in SIP Networks: A Heuristic Approach based on Mathematical Optimization,
    Montazerolghaem, A., Moghaddam, M.H.Y, & Tashtarian, F.,
    The IEEE GLOBECOM'15, 5-6 December, San Diego, USA, 2015.

  • Energy Efficient Data Gathering Algorithm in Hierarchical WSNs with Mobile Sink,
    Tashtarian, F., Moghaddam, M.H.Y, & Effati, S.,
    The 2nd IEEE International eConference on Computer and Knowledge Engineering (ICCKE), Mashhad, Iran, 2012.

  • Maximizing the Lifetime of Daley-tolerant Wireless Sensor Networks Using Fuzzy System,
    Porshokooh, V. R. , Haghighat, A. T., & Tashtarian, F.,
    The International Conference on Web Information Systems and Mining, Springer, September, Berlin, Heidelberg, 2011.

  • EELLER: Energy Efficient-Low Latency Express Routing for WSNs,
    Mohebi, A., Tashtarian, F., Moghaddam, M.H.Y , & Honary, M.T.,
    The 2nd International Conference on Computer Engineering and Technology (ICCET), 16-18 April Chengdu, China, 2010.

  • Optimal Location for Mobile Sink in Wireless Sensor Networks,
    Khodashahi, M.H. , Tashtarian, F., Moghaddam, M.H.Y, & Honary, M.T.,
    The IEEE Wireless Communications and Networking Conference (WCNC), 19-21 April, Sydney, Australia, 2010.

  • A New Level Based Clustering Scheme for Wireless Sensor Networks,
    Tashtarian, F., Honary, M.T, Mazinani, M., Haghighat, A.T., & Chitizadeh, J.,
    The IEEE/ACS International Conference on Computer Systems and Applications (AICCSA), March 31 – April 04, Doha, Qatar, 2008.

  • An Energy Efficient Data Reporting Scheme for Wireless Sensor Networks,
    Tashtarian, F., Honary, M.T, Mazinani, M., Haghighat, A.T., Chitizadeh, J.,
    The IEEE/ACS International Conference on Computer Systems and Applications (AICCSA), March 31 – April 04, Doha, Qatar, 2008.

  • Optimal Distributed Algorithm for Minimum Connected Dominating Sets in WSNs,
    Raei, H. , Sarram, M., Adibniya, F. , & Tashtarian, F.,
    The 5th IEEE International Conference on Mobile Ad Hoc and Sensor Systems (MASS), September 29 – October 2, 2008 Atlanta, Georgia, 2008.

  • Directional Rumor Routing in Wireless Sensor Networks,
    Shokrzadeh, H., Haghighat, A. T., Tashtarian, F., & Nayebi, A.,
    The 3rd IEEE/IFIP International Conference in Central Asia on Internet (ICI), 26-28 September, Tashkent, Uzbekistan, 2007.

  • A Competitive Clustering Scheme for Prolonging the Lifetime of WSNs,
    Honary, M. T., Chitizadeh, J., & Tashtarian, F.,
    The 6th IEEE International Conference on Information, Communications and Signal Processing (ICICS), 10-13 December, Singapore, 2007.

  • A New Energy-Efficient Level-based Clustering Algorithm for WSNs,
    Tashtarian, F., Honary, M. T., Haghighat, A. T., & Chitizadeh, J.,
    The 6th IEEE International Conference on Information, Communications and Signal Processing (ICICS 2007), 10-13 December, Singapore, 2007.

  • A New Energy-Efficient Clustering Algorithm for Wireless Sensor Networks,
    Tashtarian, F., Haghighat, A. T., Honary, M. T., & Shokrzadeh, H.,
    The 15th IEEE International Conference on Software, Telecommunications and Computer Networks (SoftCOM), 27-29 September, Dubrovnik, Croatia, 2007.

Teaching Exprience


Advanced Computer Networks, 2014-2020
Wireless Networks, 2018-2020
Computer Networks, 2009-2020
Internet Engineering, 2015-2020
Data Center Networking, 2018-2019
Information Technology, 2011-2012
Data Communication, 2009-2010

Academic Services


Co-Chair of ViSNext'21 Workshop - ACM CoNEXT'21 Conference
Peer-reviewer, IEEE Access, 2021
Peer-reviewer, IEEE Transactions on Parallel and Distributed Systems, 2021
Peer-reviewer, ACM Transactions on Multimedia Computing, Communications, and Applications, 2020
Peer-reviewer, IEEE Transactions on Circuits and Systems for Video Technology, 2020
Peer-reviewer, IEEE Transactions on Network and Service Management, 2020,2021
Peer-reviewer, IEEE Transactions on Internet of Things, 2019, 2020
Peer-reviewer, IEEE Transactions on Broadcasting, 2019
Peer-reviewer, Computer Network, Elsevier, 2021
Senior IT Consultant, Iran Khodro Khorasan Company (IKKCO), April 2017- February 2020
Member of Executive Committee (ICTCK'14-2018)
Member of Technical Program Committee (SCIOT'17, ICTCK'14-2018, SCIOT'20, SOFTT'2021)
Member of Reviewers Committee (GLOBECOM'17-2018, WPMC'17, ICCKE'11-2017,ICC'21, INFOCOM'21, WoWMoM'21)
Member of Young Researchers and Elite Club, Islamic Azad University, 2014-Present
Member of Executive Committee, Robocup Iran Open 2006, 2006