Systems and Networking

The systems and networking group at UCSD engages in a wide range of experimental and theoretical research. Our current projects span fault-tolerant networks and systems, high-speed router design, storage system design, network measurement and traffic analysis, peer-to-peer system design, network security, mobile code architectures, high-performance cluster computing, and wireless networking. Our group consists of nine core faculty, four affiliated faculty (in a broad range of areas including security, machine learning and programming languages) and over 50 graduate students and research staff. Our work is well-supported through generous funding from government and industrial sources.

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Faculty

Walter Burkhard (emeritus)
Keith Marzullo
Joseph Pasquale
Stefan Savage
Alex C. Snoeren
Amin Vahdat
George Varghese
Geoffrey M. Voelker
Yuanyuan Zhou
 

Scientists

Yuvraj Agarwal
Christian Kreibich
Kirill Levchenko
Soyeon Park
George Porter
Nicholas Weaver
Ken Yocum
 

Affiliated Faculty

kc claffy
Ranjit Jhala
Lawrence Saul
Hovav Shacham
Tajana Simunic Rosing

Research Staff

Brian Kantor
Cindy Moore
 

PhD Students

Neha Chachra
Michael Conley
Matthew Der
Nathan Farrington
Tristan Halvorson
Danny Huang
Peng Huang
Chris Kanich
Rishi Kapoor
Alden King
Christos Kozanitis
Vinh The Lam
Michael Lee
Wilson Lian
Yang Liu
He Liu (Lonnie)
Feng Lu
Xiao Ma (UIUC)
John McCullough
Rossana Motta
Keaton Mowery
Radhika Niranjan Mysore
Andreas Pitsillidis
Sivasankar Radhakrishnan
Sriram Ramabhadran
Alexander Rasmussen
Arjun Roy
Cynthia Taylor
Malveeka Tewari
Daniel Turner
Bhanu Vattikonda
Meg Walraed-Sullivan
David Wang
Kevin Webb
Weiwei Xiong (UIUC)
Zuoning Yin (UIUC)
Ding Yuan (UIUC)
Jiaqi Zhang
Qing Zhang
Jing Zheng
Gjergji Zyba

MS Students

Danny Anderson
Erik Buchanan
Stephan Chenette
Soumyarupa De
Grant Jordan
Anukool Junnarkar
Apurva Kumar

Administrative Staff

Jennifer Folkestad

Recent Alumni

Mohammad Al-Fares (Ph.D. 2012) → Google
James Anderson (Ph.D. 2011) → Thesys Technologies
Dionysios Logothetis (Ph.D. 2011) → Telefonica Research
Damon McCoy (Postdoc 2009-2011) → George Mason University
Marti Motoyama (Ph.D. 2011) → FitBit
Frank Uyeda (Ph.D. 2011) → Google
Michael Vrable (Ph.D. 2011) → Google
 
Sushma Bannur (M.S. 2011) → Microsoft
Hamid Bazzaz (M.S. 2011) → Google
Sambit Das (M.S. 2011) → Ericsson → Cisco
Kourosh Derakshan (M.S. 2011) → Qualcomm
Moitrayee Gupta (M.S. 2011) → NetApp
Nelson Huang (M.S. 2011) → Cisco
Ankur Jain (M.S. 2011) → Amazon
Aram Shahinfard (M.S. 2011) → Bionic Panda
 

[Alumni Archive]

News

(2/27/2012) Mohammad Al-Fares defended his dissertation today, "A Scalable, Adaptive, and Extensible Data Center Network Architecture". Mohammad is scheduled to continue changing the world, but now at Google. Congrats!

Most Influential Paper Award

(2/25/2012) The ACM Symposium on High-Performance Parallel and Distributed Computing (HPDC) recently identified the 20 "most influential" papers it published over the last 20 years. Among these is "WebOS: Operating System Services for Wide Area Applications" with the lead author none other than our own Amin Vahdat! Published back in 1999, Amin and his colleagues anticipated the cloud computing services of today, describing a Web service that could dynamically replicate itself across the wide area in response to client access patterns. The application, which they called Rent-A-Server, is one that will be familiar to anyone who uses modern on-demand cloud services today such as AWS or Azure.

(2/16/2012) Today, the CCC sponsored a symposium to recognize the 20th anniversary of the Federal Networking and Information Technology Research and Development program (NITRD) — the multi-agency funding program that has sponsored US computing research over the past two decades. The NITRD Symposium featured a broad range of technical speakers including Jeannette Wing, Kevin Knight, Beth Mynatt, Helen Nissenbaum, Sebastian Thrun, Shwetak Patel, Erik Brynjolfsson, Tom Lange, Vint Cerf, Bill Scherlis, Russ Altman, David Keyes, Kathy Yelick, Tom Davis, Eric Brown, Eric Horvitz, Alex Szalay, Tom Kalil, Peter Lee, Chuck Vest and our own Stefan Savage. In 15 minutes apiece, each highlighted how transformative twenty years of computing research in their field has been on the real world.

Stefan Savage

CSI San Diego

(2/1/2012) In his ongoing cybercrime series, Brian Krebs hunts down the operators of major botnets. In today's column he focuses on the Grum botnet and uses evidence from our previous Trajectory study to help attribute its operator. CSI here we come!

(1/15/2012) Today's NY Times quotes Amin Vahdat about new research focused on using 60Ghz wireless signals to interconnect data center racks. Electrical, optical, wireless... if there's a way to do data center interconnect Amin is on it. Next up: lasers...

Amin Vahdat

Hacked Speedometer

(1/30/2012) The National Research Council's study The Safety Challenge and Promise of Automotive Electronics: Insights from Unintended Acceleration was released on January 18th and, along its recommendations, argues for a more significant focus on cybersecurity issues (based largely on our joint work with University of Washington). Mainstream press coverage around this release and the issues of automotive cybersecurity include the LA Times, BusinessWeek. and MIT Technology Review. The last article suggests that industry is moving quickly and it documents a ten-fold increase in security staffing at GM's OnStar division and the development of focused automotive security tams within both research and product companies. Our thanks to NSF for their support; its nice to see a project pay off.

(12/15/2011) Today YY Zhou was named an ACM Distinguished Scientist for her significant accomplishments and impact on the computing field. Go YY!

YY Zhou

Fortuna Peaks (12/11/11) The fall hike this year ventured into Mission Trails, covering roughly an 8-mile loop up and down North and South Fortuna Peaks. [All Hikes] Fortuna Peaks

Amin Vahdat

(12/8/2011) Two of our own, Keith Marzullo and Amin Vahdat, were named to the 2011 Class of ACM Fellows! Amin is cited for his "contributions to data center scalability and management", while Keith is recognized "for contributions to distributed systems and service to the computing community". Congrats all around! Amin and Keith are the 5th and 6th SysNet faculty to be so honored and the 12th and 13th in the department. Read more about their accomplishments (and about CSE architecture faculty Dean Tullsen who also joins them this year) in the UCSD press release.

Keith Marzullo

(12/8/2011) Infographics rule! This week's BusinessWeek features a two page spread highlighting results from our research on spam economics. The data for these visuals are derived from two efforts: one led by Research Scientist Kirill Levchenko (spam value chain) and the other by CSE Ph.D. candidate Chris Kanich (spam revenue and demand) but both were a huge team effort (including the key help of our colleagues at ICSI as well)

BusinessWeek Spam Works

Stefan Savage

(12/6/2011) Today's NY Times features a special section looking at the future of computing; nine essays written by nine computer scientists. Our own Stefan Savage penned one of these pieces, focusing on the future direction of security threats.

[News Archive]

Recent Publications

scc: Cluster Storage Provisioning Informed by Application Characteristics and SLAs, Harsha V. Madhyastha, John C. McCullough, George Porter, Rishi Kapoor, Stefan Savage, Alex C. Snoeren, and Amin Vahdat, USENIX ;login: 37(3), June 2012.

Economic Analysis of Cybercrime in Crowdsourced Labor Markets, Vaibhav Garg, Chris Kanich, and L. Jean Camp, Proceedings of the Workshop on the Economics of Information Security (WEIS), Berlin, Germany, June 2012.

Measuring the Cost of Cybercrime, Ross Anderson, Chris Barton, Rainer Boehme, Richard Clayton, Michel J.G. van Eeten, Michael Levi, Tyler Moore, and Stefan Savage, Proceedings of the Workshop on the Economics of Information Security (WEIS), Berlin, Germany, June 2012.

Software Abstractions for Trusted Sensors, He Liu, Stefan Saroiu, Alex Wolman, and Humanshu Raj, Proceedings of the ACM Conference on Mobile Systems, Appliations and Services (MobiSys), Low Wood Bay, Lake District, UK, June 2012.

Characterizing Logging Practices in Open-Source Software, Ding Yuan, Soyeon Park, and Yuanyuan Zhou, Proceedings of the International Conference on Software Engineering (ICSE), Zurich, Switzerland, June 2012.

Practical TDMA for Datacenter Ethernet, Bhanu Vattikonda, George Porter, Amin Vahdat, and Alex C. Snoeren, Proceedings of the ACM European Conference in Computer Systems (EuroSys), Bern, Switzerland, April 2012.

Less is More: Trading a little Bandwidth for Ultra-Low Latency in the Data Center, Mohammad Alizadeh, Abdul Kabbani, Tom Edsall, Balaji Prabhakar, Amin Vahdat, and Masato Yasuda, Proceedings of the 9th ACM/USENIX Symposium on Networked Systems Design and Implementation (NSDI), San Jose, CA, April 2012.

Header Space Analysis: Static Checking for Networks, Peyman Kazemian, George Varghese, and Nick McKeown, Proceedings of the 9th ACM/USENIX Symposium on Networked Systems Design and Implementation (NSDI), San Jose, CA, April 2012.

Weighted Fair Queuing with Differential Dropping, Feng Lu, Geoffrey M. Voelker, and Alex C. Snoeren, Proceedings of the IEEE Infocom Conference, Orlando, FL, April 2012. (Mini-conference).

Return-Oriented Programming: Systems, Languages and Applications, Ryan Roemer, Erik Buchanan, Hovav Shacham, and Stefan Savage, ACM Transactions on Information and System Security 15(1), March 2012.

The BIZ Top-Level Domain: Ten Years Later, Tristan Halvorson, Janos Szurdi, Gregor Maier, Mark Felegyhazi, Christian Kreibich, Nicholas Weaver, Kirill Levchenko, and Vern Paxson, Proceedings of the Passive and Active Measurement Workshop, Vienna, Austria, March 2012.

Improving Software Diagnosability via Log Enhancement, Ding Yuan, Jing Zheng, Soyeon Park, Yuanyuan Zhou, and Stefan Savage, ACM Transactions on Computer Systems 30(1), February 2012.

A Cloud-Backed File System for the Enterprise, Michael Vrable, Stefan Savage, and Geoffrey M. Voelker, Proceedings of the 7th USENIX Conference on File and Storage Technologies (FAST), San Jose, CA, February 2012.

scc: Cluster Storage Provisioning Informed by Application Characteristics and SLAs, Harsha V. Madhyastha, John C. McCullough, George Porter, Rishi Kapoor, Stefan Savage, Alex C. Snoeren, and Amin Vahdat, Proceedings of the 7th USENIX Conference on File and Storage Technologies (FAST), San Jose, CA, February 2012.

Limitations of scanned human copresence encounters for modelling proximity-borne malware, James Mitchell, Eamonn O'Neill, Gjergji Zyba, Geoffrey M. Voelker, Michael Liljenstam, András Méhes, and Per Johansson, Proceedings of the International Conference on Communication Systems and Networks (COMSNETS), Bangalore, India, January 2012.


[Publication Archive]

Affiliations

Center for Networked Systems (CNS)         Cooperative Association for Internet Data Analysis (CAIDA)       Center for Wireless Communications (CWC)CWC        San Diego Super Computer Center (SDSC)        California Institute for Telecommunications and Information Technology (Cal-IT2) CalIT(2)

Sponsors

National Science Foundation (NSF)    Air Force Office of Scientific Research    Defense Advanced Research Projects Agency (DARPA)    National Institute of Standards (NIST)  
AT&T  Google Microsoft  Hewlett-Packard (HP)  Intel Yahoo!
Ericsson Cisco Symantec  Websense CNA