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Tina
Wong
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4720 Forbes
Ave, CIC #2126
Pittsburgh,
PA 15213
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+1 (412) 268 3992
tinaw
@ andrew . cmu . edu
www.andrew.cmu.edu/user/tinaw
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Internet routing; Router security; Network measurements
and analysis; Network management; Experimental systems research
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Systems Scientist
January 2005 - present
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CyLab
Carnegie Mellon University
Pittsburgh, Pennsylvania
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Faculty
January 2005 - present
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INI
Carnegie Mellon University
Pittsburgh, Pennsylvania
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Member of Technical
Staff
March 2003 - present
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Network Science Department
Packet Design, Inc.
Palo Alto, California
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- Developed
statistical algorithms to extract the large-scale structure of BGP
event streams and visualization techniques to display that structure in
operationally meaningful ways, i.e., to quickly answer questions like
"what happened?", "where did it happen?" and
"how does it affect me?." These
tools can also be used to provide real-time views of an ISP's interdomain topology that help rapidly diagnose
problems like misconfigured community tags,
policy filters with unintended consequences, unexpected or unwanted
backup paths, peering traffic imbalance, etc.
- Worked
with a stellar group of Internet networking experts to design,
prototype and implement a layer 3 routing diagnostic and forensic tool
the Route Explorer. Refined and expanded common code base consisting
of 200,000 lines of C++ code and 30,000 lines of Tcl/Tk/OTcl
code with 11 researchers and developers. Focused on BGP aspects of the
product.
- Represented
the company in interviews to understand customer's needs and
requirements, and to gather feedback on product features and
directions. These interviews involved tier-1 and tier-3 ISPs, large
international enterprises, small regional companies and academic
institutions.
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Member of Technical
Staff
February 2002 - March 2003
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Network Science Department
Packet Design, LLC
Palo Alto, California
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- Research
in BGP routing diagnostics. Investigated the scalability of BGP
diagnostics in terms of the storage, retrieval and representation of
massive number of routing messages. Developed a prototype which would
later be incorporated in the Packet Design Route Explorer product.
- Collaborated
with a major U.S. ISP to analyze its inter-AS
traffic flow patterns. Correlated IBGP routing traces with Netflow traffic data. Assessed impact of IBGP
churn on traffic.
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Research Scientist
October 2000 - January 2002
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Streaming
Media Systems Group
Hewlett-Packard Laboratories
Tokyo, Japan
and Palo Alto, California
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- Co-started
research collaboration on next-generation streaming media iMode service with telecommunications giant NTT DoCoMo. Served as a technical liaison between NTT DoCoMo and Hewlett-Packard Laboratories. Spent 90%
time on assignment in Tokyo.
- Co-investigated
research in applying multiple description
coding in content delivery networks (CDN) targeted for media streams.
This research takes advantage of existing CDN infrastructure to send
media from multiple servers thus improving streaming quality and
reliability. Conducted extensive simulation experiments to validate
approach on different network conditions, topologies and video
distortion models.
- Designed
and prototyped a Mobile Streaming Media (MSM) system on CDN
infrastructure. Main architect of API between servers and services.
Also served as a bridge between engineers in Japan
and researchers in US.
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Graduate Student
Researcher
January 1998 - October 2002
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MASH Research
Group
University of California at Berkeley
Berkeley, California
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- Studied
the distribution and scalability of multicast state with respect to
different network topologies, member locations, and application types.
Understanding this behavior can guide efficient and effective
multicast protocol and application design.
- Developed
and evaluated in detail a user-preference clustering protocol that
alleviates this state problem for large-scale multicast applications
such as many-player games and stock quote dissemination systems.
- Worked
on a tunable reliable multicast protocol (TUNA) for periodic
information dissemination. TUNA incorporates application-level
knowledge on user preferences when making loss recovery decisions,
thereby avoiding unnecessary retransmissions of information.
- Enhanced
the MASH vic and
vat conferencing tools to allow participants to send virtual
"body language cues" to others, thus improving awareness of
distant participants. The enhanced tools were evaluated in an
experimental "Computer Supported Collaborative Work" class
at Berkeley.
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National Science Foundation
Summer Institute Fellow
June 1997 - August 1997
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C&C Media Research Laboratory
NEC Corporation
Kawasaki, Japan.
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- Collaborated
with four Japanese researchers on a IP
Multicast-based web conferencing system that uses browsers for
multi-party meetings and lectures.
- Gave
technical presentations at several Japanese industrial and academic institution, including NEC, NHK, NTT, and Tokyo
Institute of Technology.
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Graduate Student Researcher
June 1996 - December 1997
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Berkeley
Multimedia Research Center
University of California at Berkeley
Berkeley, California
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- Designed
and implemented a software-only production switcher (vps) for live video broadcasts on the MBone. Special effects processing on vps are distributed on clusters of workstations to
result in a load-balanced and scalable system. vps is also structured to work with other MBone conferencing tools.
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Senior Thesis Student
September 1994 - June 1995
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Cecil/Vortex
Research Group
University of Washington
Seattle, Washington
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- Designed
and implemented an optimization framework to eliminate redundant
object structures in the Vortex compiler. Worked with two graduate
students and built upon the Cecil code base. The Cecil/Vortex project
conducted research on object-oriented languages.
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Senior Project Student
September 1994 - June 1995
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METIP
Research Group
University of Washington
Seattle, Washington
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- Developed
collaborative games to help students understand geometry concepts.
Assisted in detailed user studies on the software with King
County middle school
students. METIP conducted research on collaborative software to
motivate K-12 students to learn mathematics.
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Software Design Engineer
in Test
June 1994 - September 1994
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NT Cairo Distributed
System Test Team
Microsoft Corporation
Redmond, Washington
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- Worked
with software engineers to redesign and extend a test infrastructure
for distributed file replication. Architected a verification
component, including algorithmic details and integration with other
components. Implemented a logging utility.
- Ran
regression test scripts on multiple machines in laboratory.
- Documentation
of test infrastructure.
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Student Intern
June 1993 - September 1993
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ROLM Systems
Siemens Corporation
Santa Clara, CA.
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- Developed
C test scripts and performed quality assurance tasks in the PBX
Firmware/Loadware lab.
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Journal Articles
- Franck
Le, Sihyung Lee, Hyong Kim and Tina Wong, Detecting Network-wide and
Router-specific Misconfigurations through Data
Mining, to appear in IEEE/ACM Transactions on Networking.
- Tina
Wong, Thomas Henderson, and Randy Katz, Tunable
Reliable Multicast for Periodic Information Dissemination , Mobile
Networks and Applications, The Journal of Special Issues on Mobility of
Systems, Users, Data, and Computing, Volume 7, Issue 1, pp. 21-36,
2002.
Refereed
Conference Papers
- Sihyung Lee, Hyong Kim and Tina Wong, Improving Dependability of Network
Configuration through Policy Classification, to appear in Proceedings of IEEE Conference on Dependable
Systems and Networks (DSN), Jun 2008.
- Sihyung Lee, Hyong Kim and Tina Wong, To Automate or Not to Automate: On the Complexity of Network Configuration, to appear in IEEE International
Conference on Communication (ICC), May 2008.
- Andrew
Turner, Hyong Kim and Tina Wong, Automatic
Discovery of Relationships Across Multiple
Network Layers, ACM Sigcomm Workshop on Internet Network Management
(INM), Aug 2007.
- Kyriaki Levanti, Hyong Kim
and Tina Wong, Intent-based
Analysis of Network-wide Routing Policy Configuration, ACM Sigcomm
Workshop on Internet Network Management (INM), Aug 2007.
- Soon
Hin Khor, Nicolas Christin, Tina Wong and Akihiro Nakao,
Power to the People: Securing the
Internet One-Edge at a Time, ACM
Sigcomm Workshop on Large-Scale Attack Defense
(LSAD), Aug 2007.
- Franck
Le, Sihyung Lee, Tina Wong, Hyong Kim, and
Darrell Newcomb, Minerals: Using
Data Mining to Detect Router Misconfigurations,
ACM Sigcomm
Workshop on Mining Network Data (MineNet),
Sep 2006.
- Sihyung Lee, Tina Wong, and Hyong Kim, Secure
Split Assignment Trajectory Sampling: A Malicious Router Detection System,
Proceedings of IEEE Conference on
Dependable Systems and Networks (DSN), Jun
2006.
- Tina
Wong, Van Jacobson, and Cengiz Alaettinoglu, Internet
Routing Anomaly Detection and Visualization, Proceedings of IEEE Conference on
Dependable Systems and Networks (DSN), Jun 2005.
- John
Apostolopoulos, Tina Wong, Wai-tian
Tan, and Susie Wee, On
Multiple Description Streaming with Content Delivery Networks , Proceedings of IEEE INFOCOM, Jun
2002.
- Tina
Wong, and Randy Katz, An
Analysis of Multicast Forwarding State Scalability , Proceedings of
IEEE International Conference on Network Protocols, Oct
2000.
- Tina
Wong, Randy Katz, and Steven McCanne, An Evaluation of Preference Clustering in Large-scale
Multicast Applications, Proceedings
of IEEE INFOCOM, Mar 2000.
- Tina
Wong, Randy Katz, and Steven McCanne, A
Preference Clustering Protocol for Large-scale Multicast Applications,
Proceedings of International
Workshop on Networked Group Communication, Nov 1999.
- Tina
Wong, Thomas Henderson, Suchitra Raman, Adam
Costello, and Randy Katz, Policy-Based
Tunable Reliable Multicast for Periodic Information Dissemination
, Proceedings of IEEE/ACM WOSBIS,
Oct. 1998.
- Tina
Wong, Ketan Mayer-Patel, David Simpson, and
Lawrence Rowe, Software-only
Video Production Switcher for the Internet MBone,
Proceedings of SPIE Multimedia
Computing and Networking ,
Jan 1998.
- Tina
Wong, Thomas Henderson, Suchitra Raman, and
Randy Katz, Exploiting
Application Level Framing in Reliable Multicast for Periodic Information
Dissemination , Demonstration
and Poster Proceedings of ACM Multimedia, Sep. 1998.
- Tina
Wong and the MASH research group, Inexpensive
Techniques for Enhancing Awareness of Participants in Internet
Conferencing Tools , Demonstration
and Poster Proceedings of ACM Multimedia, Sep.
1998.
- Yatin Chawathe, Angela Schuett, Elan Amir, Steve Fink, Todd Hodes,
Andrew Huang, Suchitra Raman, Cynthia Romer, Andrew Swan, Tina Wong, Kristin Wright,
Steven McCanne, and Randy Katz, An
Active Service Infrastructure for Real-time Conferencing , Demonstration and Poster Proceedings
of ACM Multimedia , Sep. 1998.
- Lauren
Bricker, Steven Tanimoto, Alex Rothenberg,
Danny Hutama, and Tina Wong, Multiplayer
Activities that Develop Mathematical Coordination , Proceedings of CSCL 95, Oct.1995.
Presentations
Patents
U.S. Patent 6,757,735, "Method
for distributing multiple description streams on servers in fixed and mobile
streaming media systems", (with J. Apostolopulos,
et al.), June 29, 2004.
Academic
Awards, Honors and Certificates
- National
Science Foundation (NSF) Summer Institute in Japan Fellowship, 1997.
- GAANN
Fellowship, 1995 - 1997.
- National
Defense Science and Engineering Graduate Fellowship Honorable Mention,
1995.
- Computer
Research Association (CRA) Outstanding Undergraduate Award Honorable
Mention, 1995.
- Undergraduate
Scholars Award, University of Washington,
1994 - 1995.
- Faculty
Auxiliary Scholarship, University
of Washington, 1993 -1995.
- Japanese
Language Proficiency Test, Level 2, granted by the Association of
International Education, Japan and The Japan Foundation, 2001.
- Japanese
Test of Communication, (score: 900/1000), granted by the International
Education Research Institute, Japan, 2001.
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