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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 8 core
faculty, again as many affiliated faculty (in a broad range of areas
including security, machine learning and programming languages) and
over 40 graduate students and research staff, and our work is
well-supported through generous funding from government and industrial
sources.
Affiliated Faculty
Postdocs and Research Staff
PhD Students
MS Students
Erik Buchanan
Fallon Chen
Stephan Chenette
Nelson Huang
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Pardis Miri
Sivasankar Radhakrishnan
Erik Rubow
Aram Shahinfard
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Vikram Subramanya
Chris Trezzo
Hakon Verespej
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BS Students
Administrative Staff
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Paul Terry (for Savage, Snoeren, Vahdat and Voelker)
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Recent Alumni
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(9/2/09) Mikhail
Afanaysev defended his thesis today. Mikhail
leaves the group for Brisbane, Australia, furthering SysNet's global
expansion plans; SysNet alums now inhabit four continents. Good luck, Mikhail!
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(8/31/09)
Hot on the heels of Colin arrives Delaney Grace Vahdat, mustering 8
lbs 8 ozs and measuring 20.25". Congrats Suzanne and Amin!
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(8/20/09) Another SIGCOMM paper getting attention, this time by UCSD alumn Ramana Kompella, along with our own Kirill, Alex and George. In it they describe efficient router-level techniques for measuring packet loss and latency. Read more about it in Ars Technica. Congrats everyone!
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(8/18/09) Congrats to the PortLand team — Radhika, Andreas, Nathan, Nelson, Pardis, Siva, Vikram, and Amin — for all the attention they've been getting on their SIGCOMM '09 paper on L2 support for 100,000 port switches. See coverage in Network World, again in Network World (this time setting up a false battle with Microsoft), and Slashdot among others. Only 99,900 ports to go!
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(8/10/09) Stephen Checkoway, in collaboration with Hovav
Shacham, Brian Kantor and their co-authors from Michigan and
Princeton, recently demonstrated a practical attack against the AVC
Advantage voting machine — absent any access to source code and
overcoming a hardware architecture that prevents code execution from
DRAM. More info can be found in the Jacobs School press release here or in their EVT'09 paper here.
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(7/29/09)
Christine and Alex are
the delighted new parents of Colin Luis Alvarado-Snoeren, a bouncing
new gadget for the home weighing in at precisely 4.00 kilos.
(No instructions included.)
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(7/16/09) Network World magazine quotes Stefan Savage today in its story on Canadian Pharmacy spam.
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(6/30/09) Geoff Voelker was promoted to full professor. Congrats Geoff!
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(6/19/09) Barath
Raghavan filed his dissertation today—the final requirement for
his Ph.D—after defending twice: once at UCSD on 5/22/09, and a second
time for the rest of his committee at UC Berkeley the following
week! Barath will spend next year in the Computer Science department at
Williams College, where he rejoins fellow SysNet alum Jeannie
Albrecht. Congrats, Dr. Raghavan, on a job well done!
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(6/15/09) Sysnet members received two of sixty national HP
2009 Innovation Research grants: one to Amin Vahdat to continue his
existing work on data-center switching and another to Geoff Voelker to
support ongoing studies of Internet-based eCrime. Congrats everyone!
More information can be found here.
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[News Archive]
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SherLog: Error Diagnosis by Connecting Clues from Run-time Logs, Ding Yuan, Haohui Mai, Weiwei Xiong, Lin Tan, Yuanyuan Zhou, and Shankar Pasupathy,
Proceedings of Architectural Support for Programming Languages and Operating Systems (ASPLOS), Pittsburgh, PA, March 2010.
Botnet Judo: Fighting Spam with Itself, Andreas Pitsillidis, Kirill Levchenko, Christian Kreibich, Chris Kanich, Geoffrey M. Voelker, Vern Paxson, Nicholas Weaver, and Stefan Savage,
Proceedings of the Network and Diestributed System Security Symposium (NDSS), San Diego, CA, February 2010.
Covenant: An Architecture for Cooperative Scheduling in 802.11 Wireless Networks, Iswhar Ramani, Ramana Rao Kompella, Sriram Ramabhadran, and Alex C. Snoeren,
IEEE Transactions on Wireless Communications, 2010.
mPlane: An Architecture For Scalable Fault Localization, Ramana Rao Kompella, Alex C. Snoeren, and George Varghese,
Proceedings of the ACM CoNext Workshop on
Re-Architecting the Internet, Rome, Italy, December 2009.
Hey, You, Get Off of My Cloud: Exploring Information Leakage in Third-Party Compute Clouds, Thomas Ristenpart, Eran Tromer, Hovav Shacham, and Stefan Savage,
Proceedings of the ACM Conference on Computer and Communications Security, Chicago, IL, November 2009.
When Private Keys are Public: Results from the 2008 Debian OpenSSL Debacle, Scott Yilek, Eric Rescorla, Hovav Shacham, Brandon Enright, and Stefan Savage,
Proceedings of the ACM Internet Measurement Conference, Chicago, IL, November 2009.
The Importance of Being Overheard: Throughput Gains in Wireless Mesh Neworks, Mikhail Afanasyev and Alex C. Snoeren,
Proceedings of the ACM Internet Measurement Conference, Chicago, IL, November 2009.
Moving Beyond End-to-End Path Information to Optimize CDN Performance, Rupa Krishnan, Harsha V. Madhyastha, Sridhar Srinivasan, Sushant Jain, Arvind Krishnamurthy, Thomas Anderson, and Jie Gao,
Proceedings of the ACM Internet Measurement Conference, Chicago, IL, November 2009. (Best paper).
Understanding the Efficacy of Deployed Internet Source Address Validation Filtering, Robert Beverly, Arthur Berger, Young Hyun, and k claffy,
Proceedings of the ACM Internet Measurement Conference, Chicago, IL, November 2009.
Evaluating the Impact of Inaccurate Information in Utility-Based Scheduling, Alvin AuYoung, Amin Vahdat, and Alex C. Snoeren,
Proceedings of the ACM Conference on High Performance Computing and Networking, Portland, OR, November 2009.
GT: picking up the truth from the ground for Internet traffic, F. Rgringoli, L. Salgarelli, M. Dusa, N. Cascarano, F. Risso, and k claffy,
ACM SIGCOMM Computer Communication Review 39(5), October 2009.
PRES: Probabilistic Replay with Execution Sketching on Multiprocessors, Soyeon Park, Weiwei Xiong, Zuoning Yin, Rini Kaushik, Kyu H. Lee, Shan Lu, and Yuanyuan Zhou,
Proceedings of the 22th ACM Symposium on Operating System Principles (SOSP), Big Sky, MT, October 2009.
Curvature and Temperature of Complex Networks, Dmitri Krioukov, Fragkiskos Papadopoulos, Amin Vahdat, and Marián Boguñá,
Physical Review E 80(3):035101, September 2009.
SAM: Enabling Practical Spatial Multiple Access in Wireless LAN, Kun Tan, He Liu, Ji Fang, Wei Wang, Jiansong Zhang, Mi Chen, and Geoffrey M. Voelker,
Proceedings of the ACM Conference on Mobile Computing and Networking (Mobicom), Boston, MA, August 2009.
Spamalytics: An Empirical Analysis of Spam Marketing Conversion, Chris Kanich, Christian Kreibich, Kirill Levchenko, Brandon Enright, Geoffrey M. Voelker, Vern Paxson, and Stefan Savage,
Communications of the Association for Computing Machinery 52(9):99-107, September 2009.
Graph Annotations in Modeling Complex Network Topologies, Xenofontas Dimitropoulos, Dmitri Krioukov, Amin Vahdat, and George Riley,
Transactions on Modeling and Computer Simulation 19(4), September 2009.
Every Microsecond Counts: Tracking Fine-Grain Latencies with a
Lossy Difference Aggregator, Ramana Rao Kompella, Kirill Levchenko, Alex C. Snoeren, and George Varghese,
Proceedings of the ACM SIGCOMM Conference, Barcelona, Spain, August 2009.
PortLand: A Scalable Fault-Tolerant Layer 2 Data Center Network Fabric, Radhika Niranjan Mysore, Andreas Pamboris, Nathan Farrington, Nelson Huang, Pardis Miri, Sivasankar Radhakrishnan, Vikram Subramanya, and Amin Vahdat,
Proceedings of the ACM SIGCOMM Conference, Barcelona, Spain, August 2009.
Detailed Diagnosis in Enterprise Networks, Srikanth Kandula, Ratul Mahajan, Patrick Verkaik, Sharad Agarwal, Jitu Padhye, and Paramvir Bahl,
Proceedings of the ACM SIGCOMM Conference, Barcelona, Spain, August 2009.
Data Center Switch Architecture in the Age of
Merchant Silicon, Nathan Farrington, Erik Rubow, and Amin Vahdat,
Proceedings of the IEEE Symposium on Hot Interconnects, August 2009.
GrassRoots: Socially-Driven Web Sites for the Masses, Frank Uyeda, Diwaker Gupta, Amin Vahdat, and George Varghese,
Proceedings of ACM Workshop on Online Social Networks, Barcelona, Spain, August 2009.
MobiClique Middleware for Mobile Social Networking, Anna-Kaisa Pietilainen, Earl Oliver, Jason LeBrun, George Varghese, and Christophe Diot,
Proceedings of ACM Workshop on Online Social Networks, Barcelona, Spain, August 2009.
CrossTalk: Scalably Interconnecting Instant Messenger Networks, Marti Motoyama and George Varghese,
Proceedings of ACM Workshop on Online Social Networks, Barcelona, Spain, August 2009.
Enlisting ISPs to Improve Online Privacy: IP Address Mixing by Default, Barath Raghavan, Tadayoshi Kohno, Alex C. Snoeren, and David Wetherall,
The 9th Privacy Enhancing Technology Symposium, August 2009.
Two Auction-Based Resource Allocation Environments: Design
and Experience, Alvin AuYoung, Phil Buonadonna, Brent N. Chun, Chaki Ng, David C. Parkes, Jeff Shneidman, Alex C. Snoeren, and Amin Vahdat,
In Market Oriented Grid and Utility Computing. Rajkumar Buyya and Kris Bubendorfer, editor. Wiley, 2009.
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[Publication
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Projects
Affiliations
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