• operating systems
• networks
• web servers and caches
• content distribution networks 
• high speed network monitoring

• Ph.D. (Computer Science) 
1999 University of Arizona, Tucson, AZ 
 
• M.S. (Computer Science) 
1996 University of Arizona Tucson, AZ 
 
• Vordiplom der Informatik 
1993 Universitaet Karlsruhe, Karlsruhe, Germany 

• AT&T Labs - Research, Florham Park, NJ
  
2013 AT&T Fellow
2011-now Lead Member of Technical Staff
2002-2011 Principal Technical Staff Member
1999-2002 Senior Technical Staff Member
 
• Research Associate  
1995-1999 University of Arizona Tucson, AZ 
• Designed and implemented Escort - a security architecture for the Scout operating system
• Designed and implemented the TCP splicing technique used to increase firewall performance
• Integrated and implemented Photuris - a contestant for the IPSEC standard which interoperated at the Dallas IETF meeting in December 1995
• Implemented various parts of the IPSEC standard
• Designed and implemented parts of fast elliptic curve crypto algorithm
• Intern 
1995 SuN Micro System   

• Investigated hardware support for fast elliptic curve crypto algorithm
• HiWi 
1992-1993 Forschungszentrum fuer Informatik, Karlsruhe Germany 

• Designed and implemented parts of the persistent storage management for the OBST data base

Oliver Spatscheck. Layers of Success. IEEE Internet Computing 17 (1): 3-6 (2013).

Feng Qian, Junxian Huang, Jeffrey Erman, Zhuoqing Morley Mao, Subhabrata Sen and Oliver Spatscheck. How to Reduce Smartphone Traffic Volume by 30%? PAM 2013.

Hussein A. Alzoubi, Michael Rabinovich and Oliver Spatscheck. Performance Implications of Unilateral Enabling of IPv6 PAM 2013.

Sumayah Alrwais, Christoper Dunn, Minaxi Gupta, Alexandre Gerber, Oliver Spatscheck and Eric Osterweil. Dissecting Ghost Clicks: Ad Fraud Via Misdirected Human Clicks Annual Computer Security Applications Conference (ACSAC) 2012.

C. Petrie and Oliver Spatscheck. Future Internet Protocols IEEE Internet Computing 2012.

Emir Halepovic, Jeffrey Pang and Oliver Spatscheck. Can you GET me now?: Estimating the Time-To-First-Byte of HTTP Transactions with Passive Measurements IMC 2012.

Junxian Huang, Feng Qian, Z. Morley Mao, Shubhabrata Sen and Oliver Spatscheck. Screen-off Traffic Characterization and Optimization in 3G/4G Networks IMC 2012.

Christoper Dunn, Minaxi Gupta, Alexandre Gerber and Oliver Spatscheck. Navigation Characteristics of Online Social Networks and Search Engines Users WOSN 2012.

Feng Qian, Zhaoguang Wang, Junxian Huang, Alexandre Gerber, Z. Morley Mao, Shubhabrata Sen and Oliver Spatscheck. Periodic Transfers in Mobile Applications: Network-Wide Origin, Impact, and Optimization WWW 2012.

Junxian Huang, Feng Qian, Alexandre Gerber, Z. Morley Mao, Shubhabrata Sen and Oliver Spatscheck. A Close Examination of Performance and Power Characteristics of 4G LTE Networks MOBISYS 2012.

Feng Qian, Kee Shen Quah, Junxian Huang, Jeffrey Erman, Alexandre Gerber, Z. Morley Mao, Shubhabrata Sen and Oliver Spatscheck. Web Caching on Smartphones: Ideal vs. Reality MOBISYS 2012.

Feng Qian, Zhaoguang Wang, Alexandre Gerber, Z. Morley Mao, Shubhabrata Sen and Oliver Spatscheck. Profiling Resource Usage for Mobile Applications: A Cross-layer Approach MOBISYS 2011.

Jeffrey Erman, Alexandre Gerber, Mohammad Taghi Hajlaghayl, Dan Pei, Subhabrata Sen and Oliver Spatscheck. To Cache or Not to Cache: The 3G Case IEEE Internet Computing vol. 15 no. 2 2011.

Jeffrey Pang, Subhabrata Sen, Oliver Spatscheck, and Shobha Venkataraman. Internet-scale Visualization and Detection of Performance Events USENIX Annual Technical Conference 2011.

Oliver Spatscheck and Jacobus Van der Merwe. The Unpublicized Sea Change in the Internet IEEE Internet Computing vol. 15 no. 1 2011.

Divesh Srivastava, Lukasz Golab, Rick Greer, Theodore Johnson, Joseph Seidel, Vladislav Shkapenyuk, Oliver Spatscheck, Jennifer Yates Enabling Real Time Data Analysis PVLDB (3): 1-2 (2010) .

Feng Qian, Zhaoguang Wang, Alexandre Gerber, Zhuoqing Morley, Subhabrata Sen, Oliver Spatscheck Characterizing Radio Resource Allocation for 3G Networks IMC 2010.

Feng Qian, Zhaoguang Wang, Alexandre Gerber, Z. Morley Mao, Subhabrata Sen, and Oliver Spatscheck TOP: Tail Optimization Protocol for Cellular Radio Resource Allocation IEEE ICNP 2010 2010.

Alexandre Gerber, Jeffrey Pang, Oliver Spatscheck, Shobha Venkataraman Representative Speed Tests for Free: Estimating Achievable Download Speed from Passive Measurements IMC 2010.

Chia-Wei Chang , Alexandre Gerber , Bill Lin Subhabrata Sen and Oliver Spatscheck Network DVR: A Programmable Framework for Application-Aware Trace Collection PAM 2010.

Shobha Venkataraman, Avrim Blum, Dawn Song, Subhabrata Sen and Oliver Spatscheck Tracking Dynamic Sources of Malicious Activity at Internet-Scale Neural Information Processing Systems (NIPS) 2009 December 2009.

Jerry Chou, Bill Lin, Subhabrata Sen and Oliver Spatscheck Proactive Surge Protection: A Defense Mechanism for Bandwidth-Based Attacks IEEE/ACM Transaction on Networking (ToN), Vol.17, Iss. 6, 2009.

Feng Qian, Alexandre Gerber, Z. Morley Mao, Subhabrata Sen, Oliver Spatscheck and Walter Willinger TCP Revisited: A Fresh Look at TCP in the Wild IMC 2009 2009.

Jeffrey Erman, Alexandre Gerber, Oliver Spatscheck, Dan Pei and MohammadTaghi Hajiaghayi Network Aware Forward Caching WWW2009 2009.

Zakaria Al-Qudah, Seungjoon Lee, Michael Rabinovich, Oliver Spatscheck and Kobus van der Merwe. Anycast-Aware Transport for Content Delivery Networks WWW2009 2009.

Damodar Banodkar, K.K. Ramakrishnan, Shivkumar Kalyanaraman, Alexandre Gerber and Oliver Spatscheck Multicast instant channel change in IPTV systems. COMSWARE 2008.

Theodore Johnson, S. Muthukrishnan, Vladislav Shkapenyuk and Oliver Spatscheck Query-Aware Partitioning for Monitoring Massive Network Data Streams ICDE -- Poster 2008.

Theodore Johnson, S. Muthukrishnan, Vladislav Shkapenyuk and Oliver Spatscheck Query-aware partitioning for monitoring massive network data streams SIGMOD 2008.

Lukaz Golab, Theodore Johnson and Oliver Spatscheck Prefilter: predicate pushdown at streaming speeds SSPS 2008.

Jerry Chou, Bill Lin, Subhabrata Sen and Oliver Spatscheck Proactive Surge Protection: A Defense Mechanism for Bandwidth-Based Attacks USENIX Security Symposium 2008.

Hussein Alzoubi, Seungjoon Lee, Michael Rabinovich, Oliver Spatscheck and Jacobus van der Merwe Anycast CDNS revisited WWW 2008.

Kshirasagar Naik, David S. L. Wei, Sy-Yen Kuo, Takahiro Hara, Steffen Staab, Oliver Spatscheck, Martha Steenstrup Guest editorial peer-to-peer communications and applications IEEE Journal on Selected Areas in Communications 25(1) 2007.

Haiquan (Chuck) Zhao, Ashwin Lall, Mitsunori Ogihara, Oliver Spatscheck, Jia Wang, Jun (Jim) Xu A Data Streaming Algorithm for Estimating Entropies of OD Flows Internet Measurement Conference 2007.

Mehdi Kharrazi, Subhabrata Sen and Oliver Spatscheck Towards Real-Time Performance Monitoring for Encrypted Traffic SIGCOMM INM . 2007.

Jerry Chou, Bill Lin, Subhabrata Sen and Oliver Spatscheck Minimizing Collateral Damage by Proactive Surge Protection SIGCOMM LSAD . 2007.

Shobha Venkataraman, Subhabrata Sen, Oliver Spatscheck, Patrick Haffner and Dawn Song. Exploiting Network Structure for Proactive Spam Mitigation. 16th USENIX Security Symposium. 2007.

Rangarajan Vasudevan, Z. Morley Mao, Oliver Spatscheck and Kobus van der Merwe. MIDAS: An Impact Scale for DDoS Attacks. IEEE LANMAN 2007.

Hussein Alzoubi, Michael Rabinovich and Oliver Spatscheck. MyXDNS: A Request Routing DNS Server With Decoupled Server Selection 16th World Wide Web Conference. 2007.

Lei Guo, Enhua Tan, Songqing Chen, Zhen Xiao, Oliver Spatscheck and Xiaodong Zhang. Delving into Internet Streaming Media Delivery: A Quality and Resource Utilization Perspective Internet Measurement Conference 2006.

Z. Morley Mao, Vyas Sekar, Oliver Spatscheck, Kobus van der Merwe and Rangarajan Vasudevan. Analyzing Large DDoS Attacks using Multiple Data Sources SIGCOMM LSAD 2006.

Patrick Verkaik, Oliver Spatscheck, Kobus van der Merwe and Alex Snoeren. PRIMED: A Community-of-Interest-Based DDoS Mitigation System SIGCOMM LSAD 2006.

Vyas Sekar, Nick Duffield, Oliver Spatscheck, Jacobus van der Merwe and Hui Zhang. LADS: Large-scale Automated DDoS Detection System. USENIX Annual Technical Conference 2006.

Rangarajan Vasudevan, Z. Morley Mao, Oliver Spatscheck and Jacobus van der Merwe. Reval: A Tool for Real-time Evaluation of DDoS Mitigation Strategies. USENIX Annual Technical Conference 2006.

Patrick McDaniel, Shubho Sen, Oliver Spatscheck, Jacobus Van der Merwe, Bill Aiello and Charles Kalmanek. Enterprise Security: A Community of Interest Based Approach. NDSS 2006.

Theodore Johnson, S. Muthukrishnan, Vladislav Shkapenyuk, Oliver Spatscheck. A Heartbeat Mechanism and its Application in Gigascope. VLDB 2005.

Divesh Srivastava, Theodore Johnson, Shanmugavelayutham Muthukrishnan and Oliver Spatscheck. Streams, Security and Scalability. 19th IFIP WG11.3 Working Conference on Data and Application Security / Springer LNCS Series. 2005.

Ningning Hu, Oliver Spatscheck, Jia Wang and Peter Steenkiste Optimizing Network Performance In Replicated Hosting. IEEE Tenth International Workshop on Web Content Caching and Distribution. 2005.

Patrick Haffner, Subhabrata Sen, Oliver Spatscheck and Dongmei Wang ACAS: Automated Construction of Application Signatures. ACM SIGCOMM MineNet Workshop. 2005.

Balachander Krishnamurthy, Harsha V. Madhyastha and Oliver Spatscheck ATMEN: A Triggered Network Measurement Infrastructure. 14th World Wide Web Conference. 2005.

William Aiello, Chuck Kalmanek, Patrick McDaniel, Shubo Sen, and Oliver Spatscheck Analysis of Communities Of Interest in Data Networks. Passive and Active Measurement Workshop. March 2005.

Matthew Roughan, Subharbrata Sen, Oliver Spatscheck, Nick Duffield Class-of-Service Mapping for QoS: A Statistical Signature-based Approach to IP Traffic Classification Internet Measurement Conference . 2004.

Subhabrata Sen, Oliver Spatscheck, Dongmei Wang. Accurate, Scalable In-network Identification of P2P Traffic Using Application Signatures World Wide Web Conference. 2004.

Abhishek Kumar, Jun Xu, Jia Wang, Oliver Spatscheck, Li Li. Space-Code Bloom Filter for Efficient Per-Flow Traffic Measurement. INFOCOM. 2004.

Graham Cormode, Theodore Johnson, Flip Korn, S. Muthukrishnan, Oliver Spatscheck, Divesh Srivastava. Holistic UDAFs at streaming speeds. SIGMOD Conference. 2004.

A. Barbir, B. Cain, R. Nair, O. Spatscheck. RFC 3568 : Known Content Network (CN) Request-Routing Mechanisms. IETF . July 2003.

Matthew Roughan and Oliver Spatscheck. What Does the Mean Mean?. 18th International TELETRAFFIC CONGRESS. August 2003.

Zhuoqing Mao, David Johnson, Oliver Spatscheck, Kobus Van Der Merwe and Jia Wand . Efficient and robus streaming provisioning in VPNs. World Wide Web Conference 2003. May 2003.

C. Cranor, T. Johnson, O. Spatscheck, and V. Shkapenyuk. The Gigascope Stream Database. IEEE Data Engineering Bulletin 26(1):27-322003.

Chuck Cranor, Theodore Johnson and Oliver Spatscheck. Gigascope: a stream database for network applications.SIGMOD 2003. June 2003.

Chuck Cranor, Yuan Gao, Theodore Johnson, Vlaidslav Shkapenyuk, Oliver Spatscheck. Gigascope: High Performance Network Monitoring with an SQL Interface. SIGMOD 2002 (poster and 1 page abstract)

Zhuoqing Mao, Charles Cranor, Fred Douglis, Michael Rabinovich, Oliver Spatscheck  and Jia Wang. A Precise and Efficient Evaluation of the Proximity Between Web Clients and Their Local DNS Servers. USENIX 2002 Annual Technical Conference. June 2002.

Charles D. Cranor, Emden Gansner, Balachander Krishnamurthy and Oliver Spatscheck. Characterizing large DNS traces using graphs. ACM SIGCOMM Internet Measurement Workshop. 2001.

Alex Biliris, Chuck Cranor, Fred Douglis, Michael Rabinovich, Sandeep Sibal, Oliver Spatscheck and Walter Sturm. CDN Brokering. 6th International Workshop on Web Caching and Content Distribution. June 2001 also in Computer Communications 25 (2002) 393-402.

John Hartman, Larry Peterson, Andy Bavier, Peter Bigot, Patrick Bridges, Brady Montz, Rob Piltz, Todd Proebsting and Oliver Spatscheck. Experiences building a communication-oriented JavaOS. Software Practice and Experience. August 2000.

P. Rodriguez, S. Sibal, O. Spatscheck. TPOT: Translucent Proxying of TCP. 5th International Web Caching and Content Delivery Workshop. May 2000 also in Computer Communications 24(2): 249-255 (2001).

O. Spatscheck, J. Hansen, J. Hartman, L. Peterson. Optimizing TCP Forwarder Performance. IEEE/ACM Transaction on Networking. April 2000. 

O. Spatscheck. Escort: Securing Scout Paths. PhD thesis. University of Arizona, 1999. PostScript -PDF

O. Spatscheck, L. Peterson. Defending Against Denial of Service Attacks in Scout. Proceedings of the Third Symposium on Operating System Design and Implementation. February 1999. PostScript

J. Hartman, L. Peterson, A. Bavier, P. Bigot, P. Bridges, B. Montz, R. Piltz, T. Proebsting and O. Spatscheck. Joust: A Platform for Communication-Oriented Liquid Software. IEEE Computer. April 1999. PostScript

O. Spatscheck, L. Peterson. Escort: Securing Scout Paths. Proceedings of the IEEE Conference on Security and Privacy , Oakland, May 1997. (panel and 1 page position statement)

N. Orgurtsov, H. Orman, R. Schroeppel, S. O'Malley, O. Spatscheck. Experimental Results of Covert Channel Elimination in One-Way Communication Systems. Proceedings of the Internet Society 1997 Symposium on Network and Distributed System Security, February 1997. 

R. Schroeppel, H. Orman, S. O'Malley, O. Spatscheck. Fast Key Exchange with Elliptic Curve System. CRYPTO 95. 

Member of ACM, IEEE and USENIX.