Urtzi Ayesta

Publication Activity (10 Years)

Years Active: 2002-2024
Publications (10 Years): 37

Top Topics

Continuous Action

Resource Allocation

Processor Sharing

Top Venues

SIGMETRICS Perform. Evaluation Rev.

Perform. Evaluation

Queueing Syst. Theory Appl.

Publications

Francisco Robledo, Urtzi Ayesta, Konstantin Avrachenkov
Deep reinforcement learning for weakly coupled MDP's with continuous actions. CoRR (2024)
Urtzi Ayesta
Foreword from Chair of 2023 ACM SIGMETRICS Doctoral Dissertation Award Committee. SIGMETRICS Perform. Evaluation Rev. 51 (3) (2024)
Nahuel Soprano-Loto, Urtzi Ayesta, Matthieu Jonckheere, Ina Maria Verloop
Decision-Epoch Matters: Unveiling its Impact on the Stability of Scheduling with Randomly Varying Connectivity. CoRR (2024)
Francisco Robledo Relaño, Vivek S. Borkar, Urtzi Ayesta, Konstantin Avrachenkov
Tabular and Deep Learning for the Whittle Index. CoRR (2024)
Fernando Miguelez, Urtzi Ayesta, Josu Doncel
Price of Anarchy with multiple information sources under competition. Oper. Res. Lett. 51 (6) (2023)
Francisco Robledo, Vivek S. Borkar, Urtzi Ayesta, Konstantin Avrachenkov
QWI: Q-learning with Whittle Index. SIGMETRICS Perform. Evaluation Rev. 49 (2) (2022)
Urtzi Ayesta
Reinforcement learning in queues. Queueing Syst. Theory Appl. 100 (3-4) (2022)
Fernando Miguelez, Josu Doncel, Urtzi Ayesta
A Resource Sharing Game for the Freshness of Status Updates. SIGMETRICS Perform. Evaluation Rev. 49 (2) (2022)
Urtzi Ayesta, Tejas Bodas, Jan-Pieter L. Dorsman, Ina Maria Verloop
A Token-Based Central Queue with Order-Independent Service Rates. Oper. Res. 70 (1) (2022)
Santiago Duran, Urtzi Ayesta, Ina Maria Verloop
On the Whittle index of Markov modulated restless bandits. Queueing Syst. Theory Appl. 102 (3-4) (2022)
Elene Anton, Urtzi Ayesta, Matthieu Jonckheere, Ina Maria Verloop
Improving the Performance of Heterogeneous Data Centers through Redundancy. SIGMETRICS (Abstracts) (2021)
Urtzi Ayesta, Manu K. Gupta, Ina Maria Verloop
On the computation of Whittle's index for Markovian restless bandits. Math. Methods Oper. Res. 93 (1) (2021)
Elene Anton, Urtzi Ayesta, Matthieu Jonckheere, Ina Maria Verloop
On the Stability of Redundancy Models. Oper. Res. 69 (5) (2021)
Elene Anton, Urtzi Ayesta, Matthieu Jonckheere, Ina Maria Verloop
A Survey of Stability Results for Redundancy Systems. CoRR (2021)
Elene Anton, Urtzi Ayesta, Matthieu Jonckheere, Ina Maria Verloop
Improving the Performance of Heterogeneous Data Centers through Redundancy. Proc. ACM Meas. Anal. Comput. Syst. 4 (3) (2020)
Elene Anton, Urtzi Ayesta, Matthieu Jonckheere, Ina Maria Verloop
Improving the performance of heterogeneous data centers through redundancy. CoRR (2020)
Josu Doncel, Samuli Aalto, Urtzi Ayesta
Performance Degradation in Parallel-Server Systems. IEEE/ACM Trans. Netw. 27 (2) (2019)
Elene Anton, Urtzi Ayesta, Matthieu Jonckheere, Ina Maria Verloop
Redundancy with Processor Sharing servers. SIGMETRICS Perform. Evaluation Rev. 47 (2) (2019)
Elene Anton, Urtzi Ayesta, Florian Simatos
On the impact of mobility in cellular networks. WiOpt (2019)
Thi Thuy Nga Nguyen, Urtzi Ayesta, Balakrishna J. Prabhu
Scheduling users in drive-thru Internet: a multi-armed bandit approach. WiOpt (2019)
C. Carballo-Lozano, Urtzi Ayesta, Dieter Fiems
Performance analysis of space-time priority queues. Perform. Evaluation 133 (2019)
Urtzi Ayesta, Tejas Bodas, Jan-Pieter L. Dorsman, Maaike Verloop
A token-based central queue with order-independent service rates. CoRR (2019)
M. Venkateswararao Koppisetti, Veeraruna Kavitha, Urtzi Ayesta
Bus schedule for optimal bus bunching and waiting times. COMSNETS (2018)
Urtzi Ayesta
On redundancy-d with cancel-on-start a.k.a Join-shortest-work (d). SIGMETRICS Perform. Evaluation Rev. 46 (2) (2018)
Urtzi Ayesta, Balakrishna J. Prabhu
Special volume on selected papers from the second ECQT conference. Perform. Evaluation 119 (2018)
Urtzi Ayesta, Tejas Bodas, Maaike Verloop
On a unifying product form framework for redundancy models. Perform. Evaluation (2018)
Urtzi Ayesta, Manu K. Gupta, Ina Maria Verloop
Load balancing with heterogeneous schedulers. CoRR (2018)
Urtzi Ayesta, Tejas Bodas, Ina Maria Verloop
On a unifying product form framework for redundancy models. SIGMETRICS Perform. Evaluation Rev. 46 (3) (2018)
Urtzi Ayesta, Peter Jacko, Vladimír Novák
Scheduling of multi-class multi-server queueing systems with abandonments. J. Sched. 20 (2) (2017)
Josu Doncel, Samuli Aalto, Urtzi Ayesta
Economies of scale in parallel-server systems. INFOCOM (2017)
Ane Izagirre, Urtzi Ayesta, Ina Maria Verloop
Sojourn Time Approximations for a Discriminatory Processor Sharing Queue. ACM Trans. Model. Perform. Evaluation Comput. Syst. 1 (1) (2016)
Urtzi Ayesta, Martin Erausquin, Eva Ferreira, Peter Jacko
Optimal dynamic resource allocation to prevent defaults. Oper. Res. Lett. 44 (4) (2016)
Maialen Larrañaga, Urtzi Ayesta, Ina Maria Verloop
Dynamic Control of Birth-and-Death Restless Bandits: Application to Resource-Allocation Problems. IEEE/ACM Trans. Netw. 24 (6) (2016)
Maialen Larrañaga, Urtzi Ayesta, Maaike Verloop
Asymptotically optimal index policies for an abandonment queue with convex holding cost. Queueing Syst. Theory Appl. 81 (2-3) (2015)
Maialen Larrañaga, Urtzi Ayesta, Ina Maria Verloop
Stochastic and fluid index policies for resource allocation problems. INFOCOM (2015)
Urtzi Ayesta, Lionel Bertaux, Denis Carvin
Non-intrusive scheduling of TCP flows. Networking (2015)
Ane Izagirre, Urtzi Ayesta, Maaike Verloop
Interpolation approximations for the steady-state distribution in multi-class resource-sharing systems. Perform. Evaluation 91 (2015)
Maialen Larrañaga, Urtzi Ayesta, Ina Maria Verloop
Index policies for a multi-class queue with convex holding cost and abandonments. SIGMETRICS (2014)
Josu Doncel, Urtzi Ayesta, Olivier Brun, Balakrishna J. Prabhu
Is the Price of Anarchy the Right Measure for Load-Balancing Games? ACM Trans. Internet Techn. 14 (2-3) (2014)
Ane Izagirre, Urtzi Ayesta, Ina Maria Verloop
Sojourn time approximations in a multi-class time-sharing server. INFOCOM (2014)
Josu Doncel, Urtzi Ayesta, Olivier Brun, Balakrishna J. Prabhu
A resource-sharing game with relative priorities. Perform. Evaluation 79 (2014)
Josu Doncel, Urtzi Ayesta, Olivier Brun, Balakrishna J. Prabhu
On the efficiency of non-cooperative load balancing. Networking (2013)
Konstantin Avrachenkov, Urtzi Ayesta, Josu Doncel, Peter Jacko
Congestion control of TCP flows in Internet routers by means of index policy. Comput. Networks 57 (17) (2013)
Ianire Taboada, Fidel Liberal, Jose Oscar Fajardo, Urtzi Ayesta
QoE-aware optimization of multimedia flow scheduling. Comput. Commun. 36 (15-16) (2013)
Urtzi Ayesta, Martin Erausquin, Matthieu Jonckheere, Ina Maria Verloop
Scheduling in a Random Environment: Stability and Asymptotic Optimality. IEEE/ACM Trans. Netw. 21 (1) (2013)
Maialen Larrañaga, Urtzi Ayesta, Ina Maria Verloop
Dynamic fluid-based scheduling in a multi-class abandonment queue. Perform. Evaluation 70 (10) (2013)
Konstantin Avrachenkov, Urtzi Ayesta, Josu Doncel, Peter Jacko
Optimal congestion control of TCP flows for internet routers. SIGMETRICS Perform. Evaluation Rev. 40 (3) (2012)
Alexey Baraev, Urtzi Ayesta, Ina Maria Verloop, Daniele Miorandi, Imrich Chlamtac
Technical vulnerability of the E-UTRAN paging mechanism. WCNC (2012)
Urtzi Ayesta, Onno J. Boxma, Ina Maria Verloop
Sojourn times in a processor sharing queue with multiple vacations. Queueing Syst. Theory Appl. 71 (1-2) (2012)
Josu Doncel, Urtzi Ayesta, Konstantin Avrachenkov, Peter Jacko
Congestion Control of TCP Flows in Internet Routers by Means of Index Policy CoRR (2012)
Urtzi Ayesta, Peter Jacko, Vladimír Novák
A nearly-optimal index rule for scheduling of users with abandonment. INFOCOM (2011)
Eitan Altman, Urtzi Ayesta, B. J. Prabhu
Load balancing in processor sharing systems. Telecommun. Syst. 47 (1-2) (2011)
Ina Maria Verloop, Urtzi Ayesta, Rudesindo Núñez-Queija
Heavy-Traffic Analysis of a Multiple-Phase Network with Discriminatory Processor Sharing. Oper. Res. 59 (3) (2011)
Urtzi Ayesta, Martin Erausquin, Matthieu Jonckheere, Ina Maria Verloop
Scheduling in a random environment: stability and asymptotic optimality CoRR (2011)
Urtzi Ayesta, Olivier Brun, B. J. Prabhu
Price of anarchy in non-cooperative load balancing games. Perform. Evaluation 68 (12) (2011)
Urtzi Ayesta, Martin Erausquin, Peter Jacko
Resource-sharing in a single server with time-varying capacity. Allerton (2011)
Urtzi Ayesta, Martin Erausquin, Matthieu Jonckheere, Ina Maria Verloop
Stability and asymptotic optimality of opportunistic schedulers in wireless systems. VALUETOOLS (2011)
Urtzi Ayesta, Ane Izagirre, Ina Maria Verloop
Heavy traffic analysis of the discriminatory randomorderofservice discipline. SIGMETRICS Perform. Evaluation Rev. 39 (2) (2011)
Jonatha Anselmi, Urtzi Ayesta, Adam Wierman
Competition yields efficiency in load balancing games. Perform. Evaluation 68 (11) (2011)
Yi Zhang, Alexei B. Piunovskiy, Urtzi Ayesta, Konstantin Avrachenkov
Convergence of trajectories and optimal buffer sizing for MIMD congestion control. Comput. Commun. 33 (2) (2010)
Ina Maria Verloop, Urtzi Ayesta, Sem C. Borst
Monotonicity Properties for Multi-Class Queueing Systems. Discret. Event Dyn. Syst. 20 (4) (2010)
Urtzi Ayesta, Olivier Brun, Balakrishna J. Prabhu
Price of Anarchy in Non-Cooperative Load Balancing. INFOCOM (2010)
Konstantin Avrachenkov, Urtzi Ayesta, Alexei B. Piunovskiy
Convergence of trajectories and optimal buffer sizing for AIMD congestion control. Perform. Evaluation 67 (7) (2010)
Mark Allman, Konstantin Avrachenkov, Urtzi Ayesta, Josh Blanton, Per Hurtig
Early Retransmit for TCP and Stream Control Transmission Protocol (SCTP). RFC 5827 (2010)
Urtzi Ayesta, Martin Erausquin, Peter Jacko
A modeling framework for optimizing the flow-level scheduling with time-varying channels. Perform. Evaluation 67 (11) (2010)
Natalia Osipova, Urtzi Ayesta, Konstantin Avrachenkov
Optimal policy for multi-class scheduling in a single server queue. International Teletraffic Congress (2009)
Urtzi Ayesta, Michel Mandjes
Bandwidth-sharing networks under a diffusion scaling. Ann. Oper. Res. 170 (1) (2009)
Samuli Aalto, Urtzi Ayesta
SRPT applied to bandwidth-sharing networks. Ann. Oper. Res. 170 (1) (2009)
Ina Maria Verloop, Urtzi Ayesta, Rudesindo Núñez-Queija
Heavy-traffic analysis of the M/PH/1 discriminatory processor sharing queue with phase-dependent weights. SIGMETRICS Perform. Evaluation Rev. 37 (2) (2009)
Samuli Aalto, Urtzi Ayesta, Rhonda Righter
/1 queue. Queueing Syst. Theory Appl. 63 (1-4) (2009)
Samuli Aalto, Urtzi Ayesta
Optimal scheduling of jobs with a DHR tail in the M/G/1 queue. VALUETOOLS (2008)
Ina Maria Verloop, Urtzi Ayesta, Sem C. Borst
Comparison of bandwidth-sharing policies in a linear network. VALUETOOLS (2008)
Eitan Altman, Urtzi Ayesta, Balakrishna J. Prabhu
Load balancing in processor sharing systems. VALUETOOLS (2008)
Samuli Aalto, Urtzi Ayesta, Sem C. Borst, Vishal Misra, Rudesindo Núñez-Queija
Beyond processor sharing. SIGMETRICS Perform. Evaluation Rev. 34 (4) (2007)
Samuli Aalto, Urtzi Ayesta
Mean delay optimization for the M/G/1 queue with pareto type service times. SIGMETRICS (2007)
Konstantin Avrachenkov, Urtzi Ayesta, Alexei B. Piunovskiy
Convergence and Optimal Buffer Sizing for Window Based AIMD Congestion Control CoRR (2007)
Eitan Altman, Konstantin Avrachenkov, Urtzi Ayesta
A survey on discriminatory processor sharing. Queueing Syst. Theory Appl. 53 (1-2) (2006)
Samuli Aalto, Urtzi Ayesta
Mean Delay Analysis of Multi Level Processor Sharing Disciplines. INFOCOM (2006)
Konstantin Avrachenkov, Urtzi Ayesta, Patrick Brown
Batch Arrival Processor-Sharing with Application to Multi-Level Processor-Sharing Scheduling. Queueing Syst. Theory Appl. 50 (4) (2005)
Samuli Aalto, Urtzi Ayesta, Eeva Nyberg-Oksanen
M/G/1/MLPS compared to M/G/1/PS. Oper. Res. Lett. 33 (5) (2005)
Konstantin Avrachenkov, Urtzi Ayesta, Patrick Brown, R. Núñez Queija
Discriminatory processor sharing revisited. INFOCOM (2005)
Konstantin Avrachenkov, Urtzi Ayesta, Alexei B. Piunovskiy
Optimal choice of the buffer size in the Internet routers. CDC/ECC (2005)
Samuli Aalto, Urtzi Ayesta, Eeva Nyberg-Oksanen
Two-level processor-sharing scheduling disciplines: mean delay analysis. SIGMETRICS (2004)
Konstantin Avrachenkov, Urtzi Ayesta, Patrick Brown, Eeva Nyberg
Differentiation Between Short and Long TCP Flows: Predictability of the Response Time. INFOCOM (2004)
Eyjólfur Ingi Ásgeirsson, Urtzi Ayesta, Edward G. Coffman Jr., J. Etra, Petar Momcilovic, David J. Phillips, V. Vokhshoori, Z. Wang, J. Wolfe
Closed On-Line Bin Packing. Acta Cybern. 15 (3) (2002)