Sylvia
Ratnasamy
Soda Hall #413
UC Berkeley
Berkeley, CA 94720-1776 USA
Email: first-name at eecs dot berkeley
dot edu
Biography
I am an Associate Professor of Computer Science at the University of California, Berkeley. My research focuses on the design and implementation of networked systems. I co-lead the SPAN Center for networking research. A brief bio is here.
Teaching
CS268: Spring 2019 , Spring 2016 , Spring 2014 , Spring 2013
CS168: Fall 2014
EE122: Fall 2013
Service
Member of the Technical Steering Committee: ACM SIGCOMM (2015 - to date), ACM Sensys (2008 - 2013)
Program Co-Chair: ACM SIGCOMM 2014, Usenix NSDI 2011, ACM PRESTO Workshop 2010
Member of the Program Committee:
SIGCOMM 2016, ANCS 2016
HotNets 2012
NSDI 2010, ComsNets 2010
SOSP 2009, HotPower 2009, Presto 2009
NSDI 2008, SIGCOMM 2008, Presto 2008
NSDI 2007, SOSP 2007
SIGCOMM2006, HotNets 2006, ISSS 2006
DISC 2005
Usenix Worlds 2004, WSNA 2004, IPTPS 2004
Publications
Monotasks:
Architecting for Performance Clarity in Data Analytics Frameworks
K. Ousterhout, C. Canel, S. Ratnasamy, S. Shenker
In
ACM SOSP 2017
A High- Performance Packet Core
for Next Generation Cellular Networks
Z. Qazi, M.
Walls, A. Panda, V. Sekar, S. Ratnasamy, S. Shenker
In ACM SIGCOMM 2017
Performance Clarity as a
First-Class Design Principle
K. Ousterhout,
C. Canel, M. Wolfe, S. Ratnasamy, S. Shenker
In HotOS
2017
NetBricks: Taking the V out of NFV
A. Panda, S. Han, K. Jang, M. Walls, S.
Ratnasamy, S. Shenker
In OSDI 2016
Network
Requirements for Resource Disaggregation
P. Gao, A. Narayanan, S. Karandikar, J. Carreira, S. Han,
R. Agarwal, S. Ratnasamy, S. Shenker
In OSDI 2016
J. McCauley, M. Zhao, E. Jackson, B. Raghavan, S. Ratnasamy, S. Shenker
In SIGCOMM 2016
R. Mittal, R. Agarwal, S. Ratnasamy, S.
Shenker
In NSDI 2016
Embark:
Securely Outsourcing Middleboxes to the Cloud
C. Lan, J. Sherry, R. A. Popa, S. Ratnasamy, Z. Liu
In NSDI 2016
Hold ‘em
or fold ‘em? Aggregation queries under performance
variations
G. Kumar, G. Ananthanarayanan,
S. Ratnasamy, I. Stoica
In Eurosys
2016
R. Mittal, R. Agarwal, S. Ratnasamy, S.
Shenker
In ACM HotNets
2015
pHost:
Distributed Near-Optimal Datacenter Transports over a Commodity Datacenter
Fabric
P. Gao, A. Narayanan, G. Kumar, R. Agarwal, S. Ratnasamy, S. Shenker
In ACM CoNEXT 2015
E2: A Runtime Framework for
Network Functions
S. Palkar, C. Lan, S. Han, K. Jang, S. Ratnasamy, L. Rizzo, S.
Shenker
In SOSP
2015
Rollback
Recovery for Middleboxes best student paper
J. Sherry,
P. Gao, S. Basu, A. Panda, A. Krishnamurthy, C. Maciocco, M. Manesh, J. Martins,
S. Ratnasamy, L. Rizzo, S. Shenker
In SIGCOMM
2015
BlindBox: Deep Packet Inspection over Encrypted Traffic
J. Sherry,
C. Lan, R. Popa, S. Ratnasamy
In SIGCOMM
2015
Making
Sense of Performance in Data Analytics Frameworks
K. Ousterhout, R. Rasti, S.
Ratnasamy, S. Shenker
In NSDI
2015
RC3: Recursively
Cautious Congestion Control
R. Mittal,
J. Sherry, S. Ratnasamy, S. Shenker
In NSDI
2014
Network
Support for Resource Disaggregation in Next-Generation Datacenters
S. Han, N. Egi, A. Panda, S. Ratnasamy, G. Shi, S. Shenker
In ACM HotNets, 2013
How to
Improve your Network Performance by Asking your Provider for Worse Service
R. Mittal,
J. Sherry, S. Ratnasamy, S. Shenker
In ACM HotNets, 2013
Low Latency via
Redundancy
A. Vulimiri, B. Godfrey, R. Mittal, J. Sherry, S. Ratnasamy,
S. Shenker
In ACM CoNEXT 2013
Large-Scale
Computation not at the Cost of Expressiveness
S. Han, S.
Ratnasamy
In USENIX
HotOS, 2013
The Case
for Tiny Tasks in Compute Clusters
K. Ousterhout, A. Panda, J. Rosen, S. Venkataraman,
R. Xin, S. Ratnasamy, S. Shenker, I. Stoica
In USENIX
HotOS, 2013
MegaPipe: A New Programming Interface for Scalable Network
IO
S. Han, S.
Marshall, B.G. Chun, S. Ratnasamy
In Usenix OSDI, 2012
Making Middleboxes Someone Else’s Problem: Network Processing as a
Cloud Service
J. Sherry, S.
Hassan, C. Scott, A. Krishnamurthy, S. Ratnasamy, V. Sekar
In ACM
SIGCOMM, 2012
Fair-Cloud:
Sharing the Network in Cloud Computing
L. Popa, G. Kumar, M. Chowdhury, A. Krishnamurthy, S.
Ratnasamy, I. Stoica
In ACM
SIGCOMM, 2012
Building a
Power-Proportional Software Router
L. Niccolini, G. Iannaccone, S.
Ratnasamy, J. Chandrashekar, L. Rizzo
In USENIX
Annual Technical Conference (ATC), 2012
A Case
for Performance- Centric Network Allocation
G. Kumar, M.
Chowdhury, S. Ratnasamy, I. Stoica
In USENIX
HotCloud Workshop, 2012
The Design
and Implementation of a Consolidated Middlebox
Architecture
Vyas Sekar, Norbert Egi, Sylvia
Ratnasamy, Mike Reiter, and Guangyu Shi
In NSDI
2012
Toward
Predictable Performance in Software Packet-Processing Platforms
Mihai Dobrescu, Katerina Argyraki, and
Sylvia Ratnasamy
In NSDI
2012
The Middlebox Manifesto: Enabling Innovation in Middlebox Deployments
Vyas Sekar, Sylvia Ratnasamy, Norbert Egi,
Mike Reiter, and Guangyu Shi
In ACM HotNets 2011
FairCloud: Sharing the Network in Cloud Computing
Lucian Popa, Arvind Krishnamurthy, Sylvia Ratnasamy, and Ion Stoica
In ACM HotNets 2011
Scalable
Routing on Flat Names
Ankit Singla, Brighten Godfrey, Kevin Fall, Gianluca
Iannaccone, and Sylvia Ratnasamy
In ACM CoNEXT 2010
Building Extensible
Networks with Rule-Based Forwarding
Lucian Popa, Sylvia Ratnasamy, and Ion Stoica
In Usenix OSDI 2010
A Cost Comparison
of Data Center Network Architectures
Lucian Popa, Sylvia Ratnasamy, Gianluca Iannaccone, Arvind Krishnamurthy, and Ion Stoica.
In ACM CoNEXT 2010
Evaluating the
Suitability of Server Network Cards for Software Routers
Maziar Manesh, Katerina Argyraki, Mihai Dobrescu, Norbert
Egi, Kevin Fall, Gianluca Iannaccone, Eddie Kohler, and Sylvia Ratnasamy
In ACM
PRESTO 2010
Controlling
Parallelism in a Software Multicore Router
Mihai Dobrescu, Katerina Argyraki, Gianluca Iannaccone, and Sylvia
Ratnasamy
In ACM
PRESTO 2010
Rule-Based
Forwarding: Improving the Internet's Flexibility and Security
Lucian Popa, Ion Stoica, and Sylvia
Ratnasamy
In ACM HotNets 2009
Routing
Tables: Is Smaller Really Much Better?
Brighten
Godfrey, Kevin Fall, Gianluca Iannaccone,
Sylvia Ratnasamy
In ACM HotNets 2009
RouteBricks: Exploiting Parallelism to Scale Software Routers best paper
Mihai Dobrescu and Norbert Egi,
Katerina Argyraki, Byung-Gon
Chun, Kevin Fall,
Gianluca Iannaccone, Allan Knies, Maziar Manesh,
Sylvia Ratnasamy
In SOSP
2009
Improved Forwarding
Architecture and Resource Management for Multi-Core Software Routers
Norbert Egi, Adam Greenhalgh, Mark
Handley, Gianluca Iannaccone,
Maziar Manesh, Laurent Mathy, Sylvia Ratnasamy
In NPC
(IFIP conference on Networking and Parallel Computing) 2009
Skilled in the Art
of Being Idle: Reducing Energy Waste in Networked Systems
Sergiu Nedevschi,
Jaideep Chandrashekar,
Bruce Nordman, Sylvia Ratnasamy, Nina Taft
In NSDI 2009
Not-a-Bot: Improving
Service Availability in the Face of Botnet Attacks
Ramakrishna Gummadi, Hari Balakrishnan,
Petros Maniatis, Sylvia
Ratnasamy
In NSDI 2009
Hot Data Centers vs.
Cool Peers
Sergiu Nedevschi, Jitendra Padhye, Sylvia Ratnasamy
In HotPower 2008
An Adaptive,
High Performance MAC for Long-Distance Multihop
Wireless Networks
Sergiu
Nedevschi, Rabin Patra, Sonesh
Surana, Sylvia Ratnasamy, Lakshminarayanan
Subramanian, Eric Brewer
In ACM MOBICOM 2008
Can Software Routers
Scale?
Katerina
Argyraki, Salman Abdul Baset,
Byung-Gon Chun, Kevin Fall, Gianluca
Iannaccone, Allan Knies,
Eddie Kohler, Maziar Manesh,
Sergiu Nedevschi, Sylvia Ratnasamy
In ACM Sigcomm
Workshop – PRESTO 2008
Load Balanced and
Efficient Hierarchical Data-Centric Storage in Sensor Networks
In IEEE SECON 2008
Reducing
Network Energy Consumption via Sleeping and Rate-Adaptation
Sergiu Nedevschi, Lucian Popa, Gianluca Iannaccone,
Sylvia Ratnasamy,
David Wetherall
In NSDI 2008
NetComplex:
A Complexity Metric for Networked System Designs
Byung-Gon Chun, Sylvia Ratnasamy, Eddie Kohler
In NSDI 2008
Capturing
Complexity in Networked Systems Design: The Case for
Improved Metrics [Talk]
Sylvia
Ratnasamy
In ACM HotNets 2006
A
Measurement-based Deployment Proposal for IP Anycast
Hitesh Ballani, Paul Francis,
Sylvia Ratnasamy
In IMC
2006, Best Paper Award
Revisiting IP
Multicast
Sylvia Ratnasamy, Andrey Ermolinskiy, Scott Shenker
In ACM SIGCOMM 2006
Practical
Data-Centric Storage
Cheng Tien Ee, Sylvia Ratnasamy, Scott Shenker
In NSDI 2006
Off by
Default!
Hitesh Ballani, Yatin Chawathe, Sylvia Ratnasamy,
In ACM HotNets 2005
A Case Study in Building
Layered DHT Applications
Yatin Chawathe, Sriram Ramabhadran, Sylvia
Ratnasamy, Anthony LaMarca, Joseph Hellerstein, Scott Shenker
In ACM SIGCOMM 2005
Towards
an Evolvable Internet Architecture [Talk]
Sylvia Ratnasamy, Scott Shenker, Steven McCanne
In ACM SIGCOMM 2005
Sean Rhea, Brighten Godfrey, Brad Karp, John Kubiatowicz,
Sylvia Ratnasamy, Scott Shenker, Ion Stoica, Harlan Yu
In ACM SIGCOMM 2005
Beacon-Vector
Routing: Scalable Point-to-Point Routing in Wireless Sensor Networks
Rodrigo Fonseca, Sylvia Ratnasamy, Jerry Zhao, Cheng Tien Ee,
David Culler, Scott Shenker, Ion Stoica
In NSDI 2005
Ankur Jain, Joseph M. Hellerstein,
Sylvia Ratnasamy, David Wetherall
In Third Workshop on Hot Topics in Networks (HotNets-II)
2004
Hari Balakrishnan, Karthik Lakshminarayanan, Sylvia Ratnasamy, Scott Shenker, Ion Stoica, Michael Walfish
In Proceedings of ACM SIGCOMM 2004
Sriram Ramabhadran, Sylvia
Ratnasamy, Joseph M. Hellerstein, Scott Shenker
In Proceedings of ACM PODC, St. Johns, Canada, July 2004
(earlier versions: IRB Tech Report,
Feb. 2004 and, IRB-TR-03-011,
Jun. 25, 2003)
Brad Karp, Sylvia Ratnasamy, Sean Rhea,
Scott Shenker
In Third International Workshop on Peer-to-Peer Systems (IPTPS) 2004
Coping with
Irregular Spatio-temporal Sampling in Sensor Networks
Deepak Ganesan, Sylvia Ratnasamy, Hanbiao
Wang, Deborah Estrin
In Second Workshop on Hot Topics in Networks (HotNets-II)
2003
Geographic
Routing without Location Information
Ananth Rao, Sylvia
Ratnasamy, Christos Papadimitriou, Scott Shenker,
Ion Stoica
In Proceedings of ACM MOBICOM 2003
Krishna Gummadi, Ramakrishna Gummadi,
Steve Gribble, Sylvia Ratnasamy, Scott Shenker,
Ion Stoica
In Proceedings of ACM SIGCOMM 2003
Yatin Chawathe, Sylvia Ratnasamy, Lee Breslau, Nick
Lanham, Scott Shenker
In Proceedings of ACM SIGCOMM 2003
DIFS: A
Distributed Index for Features in Sensor Networks
Ben Greenstein, Deborah Estrin, Ramesh Govindan, Sylvia
Ratnasamy, Scott Shenker
In Elsevier Journal of Ad Hoc Networks, 2003
(also in the First IEEE Workshop on Sensor Networks Protocols and
Applications (SNPA), 2003)
A
Scalable Content-Addressable Network Ph.D. Thesis, October 2002
Scott Shenker, Sylvia Ratnasamy, Brad Karp, Ramesh Govindan, Deborah Estrin
In First Workshop on Hot Topics in Networks (HotNets-I)
2002
Sylvia Ratnasamy, Li Yin, Fang Yu,
Deborah Estrin, Ramesh Govindan, Brad
Karp, Scott Shenker
In First ACM International Workshop on Wireless Sensor Networks and
Applications (WSNA) 2002
Qin Lv,
Sylvia Ratnasamy, Scott Shenker
In First International Workshop on Peer-to-Peer Systems (IPTPS) 2002
Sylvia Ratnasamy, Scott Shenker,
Ion Stoica
In First International Workshop on Peer-to-Peer Systems (IPTPS) 2002
Ion Stoica,
Dan Adkins, Sylvia Ratnasamy, Scott Shenker,
Sonesh Surana,
Shelley Zhuang
In First International Workshop on Peer-to-Peer Systems (IPTPS) 2002
Sylvia Ratnasamy, Mark Handley, Richard
Karp, Scott Shenker
In Proceedings of Infocom 2002
Sylvia Ratnasamy, Mark Handley, Richard
Karp, Scott Shenker
In Proceedings of NGC 2001
A Scalable Content-Addressable Network [Paper] [Talk]
Sylvia Ratnasamy, Paul Francis, Mark Handley, Richard Karp, Scott Shenker
In Proceedings of ACM SIGCOMM 2001
Scaling
Multicast Transports through End-to-end Topology Discovery M.S. Thesis,
March 1999
Sylvia Ratnasamy, Steven McCanne
In Proceedings of IEEE International Conference
of Network Protocols ICNP 1999
Inference
of Multicast Routing Tree Topologies and Bottleneck Bandwidths using End-to-end
Measurements
Sylvia Ratnasamy, Steven McCanne
In Proceedings of IEEE Infocom 1999