• Department of Computer Sciences, and

• Embedded Networks Laboratory

of  University of Southern California and joined NEC Labs America since August 2005.

• Improving Eigenvector-based  Reputation Systems Against Collusion. With Ashish Goel, Ramesh Govindan, Kahn Mason, and Benjamin Van Roy. Invited for Special issue of Journal of Internet Mathematics for WAW04, under review.

• Improving Lookup Latency in Distributed Hash Table Systems using Random Sampling. With Ashish Goel and Ramesh Govindan. To appear in IEEE/ACM Transactions on Networking Vol.13, No.5, October 2005. A technical report version is available as USC Computer Science technical report 04-825.

• An Empirical Evaluation of Internet Latency Expansion. With Ashish Goel and Ramesh Govindan. ACM SIGCOMM Computer Communication Review, Vol. 35, No. 1, pp. 93-97. A technical report version is available as USC Computer Science technical report 04-822.

• Using the Small-World Model to Improve Freenet Performance. With Ashish Goel and Ramesh Govindan. Computer Networks Journal. Volume 46, Issue 4, Page 555-574, November 2004.

• Fuzzy-Timing Petri Nets Modeling and Simulation of a Networked Virtual Environment - NICE. With Yi. Zhou, Tadao Murata, and T. DeFanti. IEICE Transactions on Fundamentals, Vol.E83-A, No.11, November 2000.

• Conferences and Workshops

• Real-time Application Monitoring and Diagnosis for Service Hosting Platforms of Black Boxes. . With Huadong Liu, Rauf Izmailov, Guofei Jiang, and Xiaoqiao Meng. IM 2007.

• Minimizing Metadata Access Latency in Wide Area Networked File Systems. . With Jian Liang, Aniruddha Bohra, Samrat Ganguly, and Rauf Izmailov. HiPC 2006.

• Content Based Rate Estimation using Lazy Membership Testing. . With Fang Hao, Muralidharan S. Kodialam, T. V. Lakshman, and Vivek Vishnumurthy. IEEE INFOCOM 2006.

• MIND: A Distributed Multi-Dimensional Indexing System for Network Diagnosis. With Xin Li, Fang Bian, Christophe Diot, Ramesh Govindan, Wei Hong, and Gianluca Iannacoone. IEEE INFOCOM 2006.

• Fast Payload-Based Flow Estimation for Traffic Monitoring and Network Security. . With Fang Hao, Muralidharan S. Kodialam, T. V. Lakshman. ANCS 2005.

• Advanced Query Techniques for Wide-Area Network Monitoring. With Xin Li, Fang Bian, Christophe Diot, Ramesh Govindan, Wei Hong, and Gianluca Iannacoone. The first IEEE International Workshop on Networking Meets Databases, 2005.

• Fast, Memory-Efficient Traffic Estimation by Coincidence Counting . With Fang Hao, Muralidharan S. Kodialam, T. V. Lakshman. IEEE INFOCOM 2005.

• Making Eigenvector-based Reputation Systems Robust to Collusion . With Ashish Goel, Ramesh Govindan, Kahn Mason, and Benjamin Van Roy. The third Workshop on Algorithms and Models for the Web Graph, October 2004. A more complete version is available as USC Computer Science technical report 04-817.

• The Design of A Distributed Rating Scheme for Peer-to-peer Systems . With Debojyoti Dutta, Ashish Goel and Ramesh Govindan. The first Workshop on Economic Issues in Peer-to-Peer Systems, Berkeley, CA (June 5-6, 2003).

• Incrementally Improving Lookup Latency in Distributed Hash Table Systems . With Ashish Goel and Ramesh Govindan. appeared in ACM SIGMETRICS, 2003. A more complete version with proofs is available as USC Computer Science technical report 03-786 .

• Using the Small-World Model to Improve Freenet Performance. With Ashish Goel and Ramesh Govindan. appeared in IEEE INFOCOM, 2002. A one-page summary was presented as a SIGCOMM2001 poster and appeared on Computer Communication Review.

• A Petri Net Based Deadlock Detection for A Class of Parallel systems. With Yingping. Zheng. Proc. of the 14th World Congress of International Federation of Automation Control, 1999.

Patents

• Method and Apparatus for Real-Time Application Dependency Discovery in Component-based Distributed Systems.. With Huadong Liu. US Patent Pending, NEC Laboratories America.

• Security Mechanism for Enabling Confidentiality and Accountability in Content-Based Publish/Subscribe Systems.. With Samrat Ganguly and Rauf Izmailov. US Patent Pending, NEC Laboratories America.

• A Scalable Publish/Subscribe Broker Network using Active Load Balancing.. With Samrat Ganguly, Sudeept Bhatnagar, and Rauf Izmailov. US Patent Pending, NEC Laboratories America.

• Wide Area Networked File System.. With Aniruddha Bohra, Samrat Ganguly, Rauf Izmailov, and Jian Liang. US Patent Pending, NEC Laboratories America.

• Method and Apparatus for Coincidence Counting for Estimating Flow Statistics. With Fang Hao, Muralidharan S. Kodialam, T. V. Lakshman. US Patent Pending, Lucent Technologies.

• Method and Apparatus for Payload-Based Flow Estimation. With Fang Hao, Muralidharan S. Kodialam, T. V. Lakshman. US Patent Pending, Lucent Technologies.

Talks

• Fast, Memory-Efficient Traffic Estimation by Coincidence Counting . at IEEE INFOCOM2005, Miami , 2005.

• Making Eigenvector-based Reputation Systems Robust to Collusion. at WAW04, Rome , Italy , October 2004.

• Making PageRank Algorithm Robust to Collusion. at Google Inc, April 2004.

• The Design of A Distributed Rating Scheme for Peer-to-peer Systems . at the first Workshop on Economic Issues in Peer-to-Peer Systems, Berkeley , CA , 2003.

• Incrementally Improving Lookup Latency in Distributed Hash Table Systems . at ACM SIGMETRICS2003, San Diego , CA , 2003.

• Using the Small-World Model to Improve Freenet Performance. at IEEE INFOCOM2002, New York , 2002.

• Using the Small-World Model to Improve Freenet Performance. at INFORMS Telecomm, Florida , 2002.

Research Projects

• The Design of Reputation Systems for Internet Applications

• Algorithms for Performance Optimization in Peer-to-Peer Systems

• MIND: Multidimensional Indices for Network Diagnosis

Resource Links

• SIGCOMM Homepage

• INFOCOM Homepage

• USC ENL Hompage

• My wife's homepage

• MISC

Copyright Notice^*: Since most of these papers are published, the copyright has been transferred to the respective publishers. Therefore, the papers cannot be duplicated for commercial purposes. The following is ACM's copyright notice; other publishers have similar ones.

Copyright © 199x by the Association for Computing Machinery, Inc. Permission to make digital or hard copies of part or all of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that new copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted.

^{*: This notice is copied from Ashish Goel's research homepage.}