Publications:

Data Quality and Query Cost in Wireless Sensor Networks. David Yates, Erich Nahum, Jim Kurose, Prashant Shenoy. Sixth Annual IEEE International Conference on Pervasive Computing and Communications, Hong Kong, March 2008. (PDF).

Do Commodity SMT Processors Need More OS Research? Yaoping Ruan, Vivek Pai, Erich Nahum, and John Tracey. ACM Operating Systems Review, Vol. 42, No. 1, January 2008. (PDF).

Cryptographic Strength of SSL/TLS Servers: Current and Recent Practices. Homin K. Lee, Tal Malkin, and Erich Nahum. ACM SIGCOMM Internet Measurement Conference (IMC), San Diego, California, October 2007. (PDF).

Evaluating SIP Proxy Server Performance. Erich Nahum, John Tracey, and Charles P. Wright. 17th International Workshop on Network and Operating System Support for Digital Audio and Video (NOSSDAV), Urbana-Champaign, Illinois, June 2007. (PDF). An earlier extended abstract appeared in the ACM SIGMETRICS Conference on Measurement and Modeling of Computer Systems, San Diego, California, June 2007. (PDF).

Data Quality and Query Cost in Wireless Sensor Networks. David Yates, Erich Nahum, Jim Kurose, Prashant Shenoy. Third IEEE International Workshop on Sensor Networks and Systems for Pervasive Computing (PerSeNS), White Plains, NY, March 2007. (PDF).

A Study of Internet Instant Messaging and Chat Protocols. Ray Jennings, Erich Nahum, David Olshefski, Zon-Yin Shae, Debanjan Saha, and Chris Waters. IEEE Network, Vol. 20, No. 4, July 2006. (PDF).

How to Determine a Good Multi-Programming Level for External Scheduling. Bianca Schroeder, Mor Harchol-Balter, Arun Iyengar, Erich Nahum, Adam Wierman. 22nd International Conference on Data Engineering (ICDE 2006), Atlanta, Georgia, April 2006 (PDF).

Achieving Class-Based QoS for Transactional Workloads. Bianca Schroeder, Mor Harchol-Balter, Arun Iyengar, Erich Nahum. 22nd International Conference on Data Engineering (ICDE 2006), Atlanta, Georgia, April 2006 (PDF).

Evaluating the Impact of Simultaneous Multithreading on Network Servers Using Real Hardware. Yaoping Ruan, Vivek Pai, Erich Nahum, John Tracey. ACM SIGMETRICS Conference on Measurement and Modeling of Computer Systems, Banff, Canada, June 2005 (PDF).

Server Scalability and TCP Offload. Doug Freimuth, Elbert Hu, Jason LaVoie, Ronald Mraz, Erich Nahum, Prashant Pradhan, John Tracey. USENIX Annual Technical Conference, Anaheim, CA, April 2005 (PDF).

ksniffer: Determining the Remote Client Perceived Response Times from Live Packet Streams. David Olshefski, Jason Nieh and Erich Nahum. USENIX Symposium on Operating Systems Design and Implementation (OSDI), San Francisco, December, 2004 (PDF).

Yaksha: A Self-Tuning Controller for Managing the Performance of 3-Tiered Web sites. Abhinav Kamra, Vishal Misra and Erich Nahum. International Workshop on Quality of Service (IWQoS), Montreal, Canada, June 2004 (PDF). Slides from a talk are available in powerpoint. A short version of this paper appears in ACM SigMetrics/IFIP Performance, New York, NY, June, 2004 (PDF).

A Method for Transparent Admission Control and Request Scheduling in Dynamic E-Commerce Web Sites. Sameh Elnikety, Erich Nahum, John Tracey and Willy Zwaenepoel. International World Wide Web Conference (WWW), New York, NY, May 2004 (PDF). Slides from a talk are available in powerpoint. A short version of this paper appeared in the ACM Workshop on Self-Managing Systems, San Diego, June 2003 ( PDF, PS ).

Web Servers. Erich Nahum. Book chapter, Linux Server Performance Tuning, Prentice Hall, 2004. Sandra Johnson, Ed. ( PDF, PS ).

Improving Web Site Performance. Arun Iyengar, Erich Nahum, Anees Shaikh, and Renu Tewari. Book chapter in Handbook of Internet Computing, CRC Press, 2003. Also IBM Research Report RC22862. ( PDF ).

Web Caching, Consistency, and Content Distribution. Arun Iyengar, Erich Nahum, Anees Shaikh, and Renu Tewari. Book chapter in Handbook of Internet Computing, CRC Press, 2003. Also IBM Research Report RC22845. ( PDF ).

Integrated Network Performance Diagnostics. Srikanth Kandula, Anees Shaikh and Erich Nahum. 2nd NY Metro Area Networking Workshop, August 2002 ( PDF ).

Deconstructing SPECweb99. Erich Nahum. 7th International Workshop on Web Content Caching and Distribution (WCW), Boulder, CO, August 2002 ( PDF, PS ). Slides from the talk are available in powerpoint.

Enhancing Web Performance. Arun Iyengar, Erich Nahum, Anees Shaikh, and Renu Tewari. IFIP World Computer Congress, Montreal, Canada, August 2002 ( PDF, PS ).

Performance Issues in WWW Servers. Erich M. Nahum, Tsipora Barzilai, and Dilip Kandlur. IEEE/ACM Transactions on Networking, Vol. 10, No. 1, February 2002. (PDF, PS). An extended abstract of this work appears in the ACM SIGMETRICS Conference on Measurement and Modeling of Computer Systems, Atlanta, GA, May 1999 ( PDF, PS ). Slides from a talk are also available ( PS ).

The Effects of Wide-Area Conditions on WWW Server Performance. Erich M. Nahum, Marcel Rosu, Srinivasan Seshan, and Jussara Almeida. ACM SIGMETRICS Conference on Measurement and Modeling of Computer Systems, Cambridge, MA, June 2001 ( PDF, PS). Slides from the talk are available in powerpoint.

Locality-Aware Request Distribution in Cluster-based Network Servers, Vivek Pai, Mohit Aron, Gaurav Banga, Michael Svendsen, Peter Druschel, Willy Zwaenepoel and Erich Nahum. Eighth International Conference on Architectural Support for Programming Languages and Operating Systems (ASPLOS VIII), San Jose, CA, October 1998 (PDF, PS).

Enabling Content-Based Load Distribution for Scalable Services, Guerney Hunt, Erich M. Nahum, and John Tracey. IBM Research Report, Yorktown Heights, NY, May 1997 (PDF, PS).

Cache Behavior of Network Protocols, Erich M. Nahum, David J. Yates, James F. Kurose, and Don Towsley. ACM SIGMETRICS Conference on Measurement and Modeling of Computer Systems, Seattle, WA, June 1997 (PDF, PS). Slides from the talk are available (PDF, PS).

Validating an Architectural Simulator, Erich M. Nahum. Department of Computer Science Technical Report 96-40, University of Massachusetts, Amherst, MA, September 1996 (PDF, PS).

Networking Support for Large Scale Multiprocessor Servers, David J. Yates, Erich M. Nahum, James F. Kurose, and Don Towsley. ACM SIGMETRICS Conference on Measurement and Modeling of Computer Systems, Philadelphia, PA, May 1996 (PDF, PS).

Parallelized Network Security Protocols, Erich Nahum, David Yates, Sean O'Malley, Hilarie Orman and Rich Schroeppel. Internet Society Symposium on Network and Distributed System Security (SNDSS), San Diego, CA, February 1996 (PDF, PS). Slides from the talk are also available (PDF, PS).

Towards High Performance Cryptographic Software, Erich Nahum, Sean O'Malley, Hilarie Orman and Rich Schroeppel. Third IEEE Workshop on the Architecture and Implementation of High Performance Communications Subsystems (HPCS), Mystic, CT, August 1995 (PDF, PS). Also available as Technical Report 95-04, Department of Computer Science, University of Arizona, March 1995.

Networking Support for Large Scale Multiprocessor Servers (Extended Abstract), David J. Yates, Erich M. Nahum, James F. Kurose, and Don Towsley. Third IEEE Workshop on the Architecture and Implementation of High Performance Communications Subsystems (HPCS), Mystic, CT, August 1995 ( PDF, PS).

Performance Issues in Parallelized Network Protocols, Erich M. Nahum, David J. Yates, James F. Kurose, and Don Towsley. USENIX Symposium on Operating Systems Design and Implementation (OSDI), Monterey, CA, November 1994 ( PDF, PS). Slides from the talk are also available ( PDF, PS).

Ph.D. Thesis