Research Output

Near-optimal dispatching policy for energy-aware server clusters

Aalto, S. & Lassila, P., Nov 2019, In : Performance Evaluation. 135, 37 p., 102034.

Research output: Contribution to journalArticleScientificpeer-review

Near-Optimal Policies for Energy-Aware Task Assignment in Server Farms

Gebrehiwot, M. E., Aalto, S. & Lassila, P., 10 Jul 2017, Proceedings - 2017 17th IEEE/ACM International Symposium on Cluster, Cloud and Grid Computing, CCGRID 2017. IEEE, p. 1017-1026 10 p. 7973810. (IEEE-ACM International Symposium on Cluster Cloud and Grid Computing).

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

9 Citations (Scopus)

Non-Myopic Vehicle and Route Selection in Dynamic DARP with Travel Time and Workload Objectives

Hyytiä, E., Penttinen, A. & Sulonen, R., 2012, In : Computers and Operations Research. 39, 12, p. 3021-3030

Research output: Contribution to journalArticleScientificpeer-review

27 Citations (Scopus)

Offload (Only) the Right Jobs: Robust Offloading Using the Markov Decision Processes i

Hyytiä, E., Spyropoulos, T. & Ott, J., 2015, 16th IEEE International Symposium on A World of Wireless, Mobile and Multimedia Networks, WoWMoM 2015, Boston, MA, USA, June 14-17, 2015. p. 9

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

29 Citations (Scopus)

On energy-aware M/G/1-LAS queue with batch arrivals

Lassila, P. & Aalto, S., 1 Nov 2019, In : Operations Research Letters. 47, 6, p. 611-617 7 p.

Research output: Contribution to journalArticleScientificpeer-review

1 Citation (Scopus)

On Round-Robin routing with FCFS and LCFS scheduling

Hyytiä, E. & Aalto, S., Mar 2016, In : Performance Evaluation. 97, p. 83-103 21 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
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8 Citations (Scopus)
140 Downloads (Pure)

On search and content availability in opportunistic networks

Hyytiä, E., Bayhan, S., Ott, J. & Kangasharju, J., 1 Jan 2016, In : Computer Communications. 73, p. 118-131 14 p.

Research output: Contribution to journalArticleScientificpeer-review

6 Citations (Scopus)

On the Achievable Forwarding Capacity of an Infinite Wireless Network

Nousiainen, J., Virtamo, J. & Lassila, P., 2010, MSWIM ACM, MSWim, Bodrum Turkey, 17-21.10.2010. p. .

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

3 Citations (Scopus)

On the optimal trade-off between SRPT and opportunistic scheduling

Aalto, S., Penttinen, A., Lassila, P. & Osti, P., 2011, ACM SIGMETRICS 2011 (International Conference on Measurement and Modeling of Computer Systems, San Jose, CA, USA, 7-11 June 2011). p. 185-195

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

8 Citations (Scopus)

On the sensitivity of geo-based content sharing to location errors

Ott, J., Karkkainen, L., Walelgne, E. A., Keranen, A., Hyytia, E. & Kangasharju, J., 28 Mar 2017, 2017 13th Annual Conference on Wireless On-Demand Network Systems and Services, WONS 2017 - Proceedings. IEEE, p. 25-32 8 p. 7888691

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Open Access
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1 Citation (Scopus)
152 Downloads (Pure)

On the value function of the M/G/1 FCFS and LCFS queues

Hyytiä, E., Aalto, S., Penttinen, A. & Virtamo, J., 2012, In : Journal of Applied Probability. 49, 4, p. 1052-1071

Research output: Contribution to journalArticleScientificpeer-review

6 Citations (Scopus)

On value functions for FCFS queues with batch arrivals and general cost structures

Hyytiä, E., Righter, R., Virtamo, J. & Viitasaari, L., 23 Jan 2020, In : Performance Evaluation. 138, 102083.

Research output: Contribution to journalArticleScientificpeer-review

1 Citation (Scopus)

Opportunistic content dissemination performance in dense network segments

Kärkkäinen, T., Välimaa, M., Hyytiä, E. & Ott, J., 2016, Proceedings of the Eleventh ACM Workshop on Challenged Networks: CHANTS '16. ACM, 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Opportunistic scheduling with flow size information for Markovian time-varying channels

Aalto, S., Lassila, P. & Osti, P., 2017, In : Performance Evaluation. 112, p. 27-52 26 p.

Research output: Contribution to journalArticleScientificpeer-review

4 Citations (Scopus)

Optimal energy-aware control policies for FIFO servers

Gebrehiwot, M. E., Aalto, S. & Lassila, P., 1 Sep 2016, In : Performance Evaluation. 103, p. 41-59 19 p.

Research output: Contribution to journalArticleScientificpeer-review

9 Citations (Scopus)

Optimal energy-aware load balancing and base station switch-off control in 5G HetNets

Lassila, P., Gebrehiwot, M. E. & Aalto, S., 4 Aug 2019, In : Computer Networks. 159, p. 10-22 13 p.

Research output: Contribution to journalArticleScientificpeer-review

1 Citation (Scopus)

Optimal intercell coordination for multiple user classes with elastic traffic

Osti, P., Lassila, P. & Aalto, S., 2012, NGI 2012 (8th EURO-NF Conference on Next Generation Internet), Karlskrona, Sweden, June 25-27, 2012. p. 25-32

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

4 Citations (Scopus)

Optimal Routing of Fixed Size Jobs to Two Parallel Servers

Hyytiä, E., 2015, In : INFOR. 4, p. 215-224

Research output: Contribution to journalArticleScientificpeer-review

Optimal size-based opportunistic scheduler for wireless systems

Aalto, S., Penttinen, A., Lassila, P. & Osti, P., 2012, In : QUEUEING SYSTEMS. 72, 1-2, p. 5-30

Research output: Contribution to journalArticleScientificpeer-review

5 Citations (Scopus)

Optimal sleep-state control of energy-aware M/G/1 queues

Gebrehiwot, M. E., Aalto, S. & Lassila, P., 2014, 8th International Conference on Performance Evaluation Methodologies and Tools, ValueTools 2014, Bratislava, Slovakia, December 911, 2014.

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

14 Citations (Scopus)

Optimal Transmission Modes by Simulated Annealing

Nousiainen, J., Virtamo, J. & Lassila, P., 2011, 6th ACM Workshop on Performance Monitoring and Measurement of Heterogeneous Wireless and Wired Networks (PM2HW2N 2011), Oct 31 - Nov 4, Miami, FL, USA, 2011. p. 101-108

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

1 Citation (Scopus)

P2P Video-on Demand: Steady State and Scalability

Aalto, S., Lassila, P., Raatikainen, N., Savolainen, P. & Tarkoma, S., 2010, IEEE Globecom, Miami, U.S.A., 6.-10.12.2010. p. .

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

2 Citations (Scopus)

Performance and optimization of dynamic-TDD intercell coordination with elastic traffic

Osti, P., Aalto, S. & Lassila, P., Dec 2016, In : Telecommunication Systems. 63, 4, p. 655-679 25 p.

Research output: Contribution to journalArticleScientificpeer-review

Performance Degradation in Parallel-Server Systems

Doncel, J., Aalto, S. & Ayesta, U., 1 Apr 2019, In : IEEE/ACM Transactions on Networking. 27, 2, p. 875 - 888 14 p., 8672485.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
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3 Citations (Scopus)
162 Downloads (Pure)

Performance-energy trade-off in controllable servers with set-up delays

Lu, X., Lassila, P. & Aalto, S., 2016, In : Australian Journal of Electrical and Electronics Engineering. 13, 2, p. 109-121

Research output: Contribution to journalArticleScientificpeer-review

Performance-energy trade-off in data centers: Impact of switching delay

Lu, X., Aalto, S. & Lassila, P., 2013, SSEEGN 2013 (22nd ITC Specialist Seminar on Energy Efficient and Green Networking), Christchurch, New Zealand, 20-22 November 2013.

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

8 Citations (Scopus)

Performance of D2D Underlay and Overlay for Elastic Traffic

Osti, P., Lassila, P. & Aalto, S., 1 Nov 2016, Proceedings of the 19th ACM International Conference on Modeling, Analysis and Simulation of Wireless and Mobile Systems (MSWiM '16). Association for Computing Machinery (ACM), p. 270-277 8 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

2 Citations (Scopus)

Performance of D2D underlay and overlay for multi-class elastic traffic

Osti, P., Lassila, P. & Aalto, S., 2018, In : Computer Communications. 117, p. 147-163 17 p.

Research output: Contribution to journalArticleScientificpeer-review

1 Citation (Scopus)

Practical opportunistic content dissemination performance in dense network segments

Kärkkäinen, T., Välimaa, M., Roy, S. K., Hyytiä, E. & Ott, J., 2018, In : Computer Communications. 123, p. 65-80 16 p.

Research output: Contribution to journalArticleScientificpeer-review

Properties of the Gittins index with application to optimal scheduling

Aalto, S., Ayesta, U. & Righter, R., 2011, In : Probability in the Engineering and Informational Sciences. 25, 3, p. 269-288

Research output: Contribution to journalArticleScientificpeer-review

11 Citations (Scopus)

Queueing with Redundant Requests: Exact Analysis

Gardner, K., Zbarsky, S., Doroudi, S., Harchol-Balter, M., Hyytiä, E. & Scheller-Wolf, A., Aug 2016, In : QUEUEING SYSTEMS. 83, 3-4, p. 227-259 32 p.

Research output: Contribution to journalArticleScientificpeer-review

19 Citations (Scopus)

Reducing Latency via Redundant Requests: Exact Analysis

Gardner, K., Zharsky, S., Doroudi, S., Harchol-Balter, M., Hyytiä, E. & Scheller-Wolf, A., 2015, In : SIGMETRICS PERFORMANCE EVALUATION REVIEW. 43, p. 347-360

Research output: Contribution to journalArticleScientificpeer-review

59 Citations (Scopus)

Round-Robin Routing Policy: Value Functions and Mean Performance with Job- and Server-specific Costs

Hyytiä, E. & Aalto, S., 2013, 7th International Conference on Performance Evaluation Methodologies and Tools (ValueTools)Torino, Italy, December 2013.

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

4 Citations (Scopus)

Routing Jobs with Deadlines to Heterogeneous Parallel Servers

Hyytiä, E. & Righter, R., Jul 2016, In : Operations Research Letters. 44, 4, p. 507-513 7 p.

Research output: Contribution to journalArticleScientificpeer-review

10 Citations (Scopus)

Search in digital pockets: retrieving remote content in mobile opportunistic networks

Bayhan, S., Hyytiä, E., Kangasharju, J. & Ott, J., 1 Jun 2016, In : IEEE WIRELESS COMMUNICATIONS. 23, 3, p. 10-18 9 p., 7498070.

Research output: Contribution to journalArticleScientificpeer-review

1 Citation (Scopus)

Searching a Needle in (Linear) Opportunistic Networks

Hyytiä, E., Bayhan, S., Ott, J. & Kangasharju, J., 2014, ACM International Conference on Modeling, Analysis and Simulation of Wireless and Mobile Systems (MSWiM), 2014, Montréal, Quebec, Canada, September 21-26 2014.

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

9 Citations (Scopus)

Seeker-Assisted Information Search in Mobile Clouds

Bayhan, S., Hyytiä, E., Kangasharju, J. & Ott, J., 2013, The Second Mobile Cloud Computing (MCC) Workshop in SIGCOMM'13, Hongkong, China, August 2013.

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

7 Citations (Scopus)

Segmented P2P Video-on-Demand: Modeling and Performance

Aalto, S., Lassila, P., Tarkoma, S. & Savolainen, P., 2010, 22nd International Teletraffic Congress (ITC 22), Amsterdam, the Netherlands, 7.-9.9.2010. p. .

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

2 Citations (Scopus)

Simulation Model for a Demand Responsive Transportation Monopoly

Jokinen, J-P., Häme, L., Hyytiä, E. & Sulonen, R., 2011, Kuhmo Nectar Conference and Summer School, Stockholm. Stockholm

Research output: Chapter in Book/Report/Conference proceedingConference contributionProfessional

Simulation of a large scale dynamic pickup and delivery problem

Hyytiä, E., Häme, L., Penttinen, A. & Sulonen, R., 2010, 3rd International ICST Conference on Simulation Tools and Techniques (SIMUTools 2010), Malaga, Spain, March 2010.

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

8 Citations (Scopus)

Size- and State-Aware Dispatching Problem with Queue-Specific Job Sizes

Hyytiä, E., Penttinen, A. & Aalto, S., 2012, In : European Journal of Operational Research. 217, 2, p. 357-370

Research output: Contribution to journalArticleScientificpeer-review

30 Citations (Scopus)

State of the art and research challenges in the area of autonomous control for a reliable internet of services

van der Mei, R., van den Berg, H., Ganchev, I., Tutschku, K., Leitner, P., Lassila, P., Burakowski, W., Liberal, F., Arvidsson, Å., Hoβfeld, T., Wac, K., Melvin, H., Grbac, T. G., Haddad, Y. & Key, P., 1 Jan 2018, Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics). p. 1-22 22 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. LNCS 10768).

Research output: Chapter in Book/Report/Conference proceedingChapterScientificpeer-review

Open Access
File
3 Citations (Scopus)
102 Downloads (Pure)

Task assignment in a heterogeneous server farm with switching delays and general energy-aware cost structure

Hyytia, E. P., Righter, R. & Aalto, S., 2014, In : Performance Evaluation. 75-76, p. 17-35

Research output: Contribution to journalArticleScientificpeer-review

28 Citations (Scopus)

The Traveling Salesman Problem with Differential Neighborhoods

Häme, L., Hyytiä, E. & Hakula, H., 2011, The 27th European Workshop on Computational Geometry (EuroCG) , March 28-30, 2011, Antoniushaus Morschach, Switzerland.. p. 51-54

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

To Split or not to Split: Selecting the Right Server with Batch Arrivals

Hyytiä, E. & Aalto, S., 2013, In : Operations Research Letters. 41, 4, p. 325-330

Research output: Contribution to journalArticleScientificpeer-review

6 Citations (Scopus)

Two Hops or More: On Hop-Limited Search in Opportunistic Networks

Bayhan, S., Hyytiä, E., Kangasharju, J. & Ott, J., 2015, The 18th ACM International Conference on Modeling, Analysis and Simulation of Wireless and Mobile Systems, MSWiM 2015, Cancun, Mexico, 2-6 Nov, 2015. p. 115-124

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

7 Citations (Scopus)

Using queueing theory for controlling the number of computing servers

Sevalnev, M., Aalto, S., Kommeri, J. & Niemi, T., 2012, Third International Conference on Green IT Solutions, ICGREEN 2012, Geneva, Switzerland, July 2-3, 2012.

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Value (Generating) Functions for the MX/G/1 Queue

Hyytia, E., Righter, R., Virtamo, J. & Viitasaari, L., 10 Oct 2017, Proceedings of the 29th International Teletraffic Congress, ITC 2017. IEEE, Vol. 1. p. 232-240 9 p. 8064360

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

5 Citations (Scopus)

Value Driven Load Balancing

Doroudi, S., Hyytiä, E. & Harchol-Balter, M., 2014, In : Performance Evaluation. 79, p. 306-327

Research output: Contribution to journalArticleScientificpeer-review

6 Citations (Scopus)

When Does Content Float?Characterizing Availability of Anchored Information in Opportunistic Content Sharing

Hyytiä, E., Virtamo, J., Lassila, P., Kangasharju, J. & Ott, J., 2010, Otaniemi, p. 12.

Research output: Working paperProfessional