Roman Pletka  Roman Pletka photo         

contact information

Research Staff Member - Master Inventor - Cloud Storage
Zurich Research Laboratory, Zurich, Switzerland


Professional Associations

Professional Associations:  IEEE Computer Society


Open Block Characterization and Read Voltage Calibration of 3D QLC NAND Flash
N. Papandreou, H. Pozidis, N. Ioannou, T. Parnell, R. Pletka, M. Stanisavljevic, R. Stoica, S. Tomic, P. Breen, G. Tressler, A. Fry, T. Fisher, A. Walls
IEEE International Reliability Physics Symposium (IRPS), 2020


Reliability of 3D NAND flash memory with a focus on read voltage calibration from a system aspect
Nikolaos Papandreou, Nikolas Ioannou, Thomas Parnell, Roman Pletka, Milos Stanisavljevic, Radu Stoica, Sasa Tomic
Non-Volatile Memory Technology Symposium (NVMTS), 2019

Understanding the design trade-offs of hybrid flash controllers
Radu Stoica, Roman Pletka, Nikolas Ioannou, Nikolaos Papandreou, Sasa Tomic and Haralampos Pozidis
IEEE 27th International Symposium on Modeling, Analysis, and Simulation of Computer and Telecommunication Systems (MASCOTS), 2019

Characterization and Analysis of Bit Errors in 3D TLC NAND Flash Memory
Nikolaos Papandreou, Haralampos Pozidis, Thomas Parnell, Nikolas Ioannou, Roman Pletka, Sasa Tomic, Patrick Breen, Gary Tressler, Aaron Fry, Timothy Fisher
IEEE International Reliability Physics Symposium (IRPS), 2019

Towards data-driven NAND flash controller development
Roman Pletka, Nikolas Ioannou, Nikolaos Papandreou, Radu Stoica, Sasa Tomic, Haralampos Pozidis
Flash Memory Summit, 2019


Management of Next-Generation NAND Flash to Achieve Enterprise-Level Endurance and Latency Targets
Roman Pletka, Ioannis Koltsidas, Nikolas Ioannou, Sasa Tomic, Nikolaos Papandreou, Thomas Parnell, Haralampos Pozidis, Aaron Fry, Tim Fisher
ACM Trans. Storage 14(4), 33:1--33:25, ACM, 2018

Designing Enterprise Controllers with QLC 3D NAND
Roman Pletka, Radu Stoica, Nikolas Ioannou, Sasa Tomic, Nikolaos Papandreou, Haralampos Pozidis
Flash Memory Summit, 2018

Enabling 3D-TLC NAND Flash in Enterprise Storage Systems
Roman Pletka, Nikolas Ioannou, Nikolaos Papandreou, Thomas Parnell and Sasa Tomic
ERCIM News113, 2018


Improving Endurance in 3D-NAND Flash
Roman Pletka, Ioannis Koltsidas, Nikolas Ioannou, Sasa Tomic, Nikolas Papandreou, Thomas Parnell, Haris Pozidis, Aaron Fry, Timothy Fisher
Flash Memory Summit, 2017


Health-Binning: Maximizing the Performance and the Endurance of Consumer-Level NAND Flash
Roman A. Pletka, Sasa Tomic
Proceedings of the 9th ACM International on Systems and Storage Conference, pp. 4:1--4:10, ACM, 2016


SALSA - Flash-Optimized Software-Defined Storage
Nikolas Ioannou, Ioannis Koltsidas, Roman Pletka, Sasa Tomic, Thomas Weigold
Flash Memory Summit, 2015

Holistic Flash Management for Next Generation All-Flash Arrays
Roman Pletka, Nikolas Ioannou, Sasa Tomic, Nikolaos Papandreou, Thomas Parnell, Haris Pozidis, Ioannis Koltsidas, Aaron Fry, Tim Fisher
Flash Memory Summit, 2015


Unfied High-Performance I/O: One Stack to Rule Them All
Animesh Trivedi, Patrick Stuedi, Bernard Metzler, Roman Pletka, Blake G. Fitch, Thomas R. Gross
14th Workshop on Hot Topics in Operating Systems (HOTOS), 2013


Subsystem and System-level Implications of PCM
Robert Haas, Xiao-Yu Hu, Ioannis Koltsidas, Roman Pletka
European\Phase Change and Ovonics Symposium (E\PCOS),, 2011

OFC: An Optimized Flash Controller for Enterprise Storage Systems
Roman Pletka, Maria Varsamou, Mathias Bjoerkqvist, Theodore Antonakopoulos, Peter Mueller, Robert Haas, Evangelos Eleftheriou
Technical Report RZ 3795 (# Z1101-001), IBM Research Report, RZ3795, 2011

A Comparison of Secure Multi-Tenancy Architectures for Filesystem Storage Clouds
Anil Kurmus, Moitrayee Gupta, Roman Pletka, Christian Cachin, Robert Haas
Middleware, pp. 471-490, Springer, 2011


Write Amplification in Flash-based Solid State Drives
Xiao-Yu Hu, Evangelos Eleftheriou, Robert Haas, Ilias Iliadis, Roman Pletka
Proceedings of SYSTOR 2009: The Israeli Experimental Systems Conference, pp. 10, ACM


Cryptographic Security for a High-Performance Distributed File System.
Pletka, Roman and Cachin, Christian
MSST, pp. 227--232, 2007


Cryptographic security for a high-performance distributed file system
Roman Pletka, Christian Cachin
IBM Zurich Research Laboratory, Setembro de, Citeseer, 2006


Towards high-performance active networking
L. Ruf, R. Pletka, P. Erni, P. Droz, B. Plattner
Active Networks, pp. 2714-2714, Springer, 2004

The role of network processors in active networks
Andreas Kind, Roman Pletka, Marcel Waldvogel
2004 - Springer, Springer

Bringing efficient advanced queries to distributed hash tables
D. Bauer, P. Hurley, R. Pletka, M. Waldvogel
29th Annual IEEE International Conference on Local Computer Networks, pp. 6-14, 2004


Creating Advanced Functions on Network Processors: Experience and Perspectives
R. Haas, L. Kencl, A. Kind, B. Metzler, R. Pletka, M. Waldvogel, L. Frelechoux, P. Droz
IEEE Network, 2003

Closed-loop congestion control for mixed responsive and non-responsive traffic
Roman Pletka, Andreas Kind, Marcel Waldvogel, Soenke Mannal
Global Telecommunications Conference, 2003. GLOBECOM'03. IEEE, pp. 4180--4185

Creating advanced functions on network processors: Experience and perspectives
R. Haas, L. Kencl, A. Kind, B. Metzler, R. Pletka, M. Waldvogel, L. Freléchoux, P. Droz, C. Jeffries
Network, IEEE 17(4), 46-54, 2003


Bandwidth allocation for non-responsive flows with active queue management
Ed Bowen, Clark Jeffries, Lukas Kencl, Andreas Kind, Roman Pletka
Broadband Communications, 2002. Access, Transmission, Networking. 2002 International Zurich Seminar on, pp. 13--1


A Buffer Management Scheme for Bandwidth and Delay Differentiation Using a Virtual Scheduler
R. Pletka, P. Droz, B. Stiller
Proceedings of the First International Conference on Networking (ICN), Colmar, France, pp. 218-234, 2000