Office: Keller Hall 6-187 and DTC 489 (where I spend most of my time these
days)
Phone: (612) 625-8568; Skype id: zhzhang612
Fax: (612) 625-0572
E-mail: zhzhang (at) cs (dot) umn (dot) edu
(For faster response, please email me instead of
leaving a voice mail!)
Firs of all, I am always
looking for self-motivated, creative and hard-working
graduate and undergradtaue students (and also post-docs, when
funding is available) to work with us on a number of research
projects. If you are interested, please email me with the Subject
line: "Interested in
Ph.D (or MS, or undergraduate, or Post-Doc) Research
Opportunities", together with a short description
of your background and research interests/experiences and a CV.
Now a bit more about my research: My research interests lie broadly
in computer communication and networks, Internet technology,
multimedia and emerging applications. While my past research was
centered on the analysis, design and development of scalable
Internet QoS solutions to support performance-demanding multimedia
applications, my current research thrusts focus primarily on i)
building highly scalable, resilient and secure Internet
infrastructure and mechanisms to enhance Internet service
performance, availability, reliability, manageability and security;
and on ii) developing next-generation, service-oriented,
secure, manageable and economically viable Internet
architectures to provide better support for creation, deployment,
operations and management of value-added Internet services (e.g.,
large-scale mobile, cloud services and content (esp. video) delivery
systems) and underlying networks. I am also interested in complex
networks, social network analysis, robustness of critical
infrastructure networks, and the interplay between socio-technical
networks.
Some of the ongoingresearch projects include:
Diverse and Resilient Routing Beyond Paths
(NSF project)
Exerting
Logically
Centralized Control over Legacy Switches via Incremental SDN
Deployment (NSF Project)
Complex Interactions in the Content Distribution Ecosystem
(Joint NSF Funded Large Project with UMASS, Amherst)
Accelerating Service Function Chain via Parallelism (in
collaboration with AT&T Labs -- Research)
Modeling and Analysis of Large-scale Cascading Failures in
Inter-Dependent Physical Networks via Dynamic Flow Models
A list of select funded projects in the recent past, many of
the research topics we are still pursuing:
Multivariate Heavy-Tail Phenomena: Modeling, Diagnosis and
Applications (a DoD MURI Collaborative Research Project)
Understanding, Managing,
Trouble-Shooting and Securing the Evolving Cellular Data
Networks
Spatio-Temporal Network Traffic Dynamics and Interactions
of Networks and Applications
VIRO: Highly Scalable, Robust and Namespace Independent
Routing for Future Networks
Network Traffic Intelligence, with Network Security
Applications (in collaboration with Narus Inc.)
Towards a Theory of Network Robustness and Inter-dependence
under Attacks
Machine Learning in Network Measurement and
Trouble-shooting (in collaboration with AT&T Labs --
Research)
focusing in particular on "Trouble-shooting Large-scale 3G
Cellular Network Infrastructures"
Progammable and Versatile Measurement Infrastructure for
Future Internet Architecture
Economic Viability of Future Internet Architectures
Internet Traffic Profiling and Modeling, with Applications
in Network Security and Management
Toward a Service-Oriented Internet (SOI) Architecture
--- in this research we were among the first to propose the
notion of "(service) clouds," (in a sense, a forerunner of
today's cloud computing and cloud services), and
proposed a novel service-oriented architecture with content/object-centric
naming/addressing that targets specifically for effective and
efficient cloud service discovery and content/object delivery
(see our 2003 conference and 2006 IEICE inivted papers on
service-oriented Internet (SOI) architecture).
Wireless Mesh and Mobile Ad Hoc Networks
Internet Quality of Service and Multimedia Networking
Current Ph.D students who are working with me (incomplete
list):
Bariya (Paris) Babaie
Braulio Dumba
Xinyue Hu
Taihui Li
Arvind Narayanan
Eman Ramadan
Tim Salo
Feng Tian
Nitin Varyani
Saurabh Verma
Yang Zhang
Past Ph.D students who I advised or co-advised:
Vijay Kumar Adhikari (Ph.D 2013, now
with Microsoft Azure)
Yingying Chen (Ph.D 2013, now with
Microsoft Azure)
Jin Cheng (Ph.D 2018, now with Facebook)
Changho Choi (Ph.D 2007, now with Samsung
Sillicon Valley Research Labs, CA; was with Cisco)
Jaideep Chandrashekar (Ph.D 2005, now at
the Technicolor Research Lab, Paris, France; was at Intel
Research, Santa Clara and Berkeley Lab)
Baek-Young
Choi (Ph.D 2003, now Associate Professor at University of
Missouri, Kansas City)
Yingfei
Dong (Ph.D 2003, now Full Professor at University of
Hawaii)
Zhenhai Duan (Ph.D 2003, now Associate Professor at
Florida State University)
Eric Eilertson (Ph.D 2007, co-advised with
Prof. Vipin Kumar, Institute for Defense Analyses)
Golshan Golnari (Ph.D 2017, now with 3M Inc.)
Nan Jiang (Ph.D 2013, now at Uber, was at Amazon Inc.)
Yu Jin (Ph.D 2011, now at Turn Inc.; was at AT&T Labs)
Sourabh Jain (Ph.D 2011, now at Google; was at Instart Logic
and Cisco)
Sanghwan Lee (Ph.D 2005, now Assistant
Professor at Kookmin University, Korea; was with IBM T.J Watson
Research Center)
Yanhua Li (Ph.D
2013, now at Worcester Polytechnic Institute)
Haiyang Liu (Ph.D 2007, co-advised with
Prof. Jaideep Srivastava, Honeywell Technology Labs)
Guor-Huar Lu (Ph.D 2008, now at 3M, was
with FAF Advisors/US Bank)
Hesham Mekky (Ph.D 2016, now with Snapchat Inc.)
Srihari
Nelakuditi (Ph.D 2001, now Full Professor at University
of South Carolina)
Esam Sharafuddin (Ph.D 2011, now at Robins, Kaplan, Miller
& Ciresi L.L.P. Law Firm)
Gyan Ranjan (Ph.D 2013, now at Symmantec)
Gyorgy Simon (Ph.D 2008, co-advised with
Prof. Vipin Kumar, now at University of Minnesota, was with Mayo
Clinic;Yahoo! Research)
Sejun Song (Ph.D 2001, now Associate
Professor at University of Missouri, Kansas City; was with Texas
A&M University, Wichita State University and Cisco)
Srivatsan Varadarajan (Ph.D 2004,
co-advised with Prof. Jaideep Srivastava, now at Honeywell)
Kuai
Xu (Ph.D 2006, now Associate Professor at Arizona State
University; was with Yahoo!)
Ting Zhu (Ph.D
2010, co-advised with Prof. Tian He, now Associate Professor at
University of Maryland, Baltimore County; was with SUNY
Binghamton University)
Current and Past Visiting Scholars, Visiting Students and
Post-Doc Fellows:
Zhenhua Li (Peking University, China; now at Tsinghua
University)
Tao Lin (Institute of Computing, Chinese Academy of Science)
Ngoc Tu Nguyen (post-doc fellow)
Xiuli Shao (Nankai University, Tianjin, China)
Mingda Wang (University of Electronic Science and Technology
of China)
Jiping Xiong (Zhejiang Normal University, China)
Zhongliu Zhong (
University of Electronic Science and Technology of China)
I am also working with -- and have worked with -- a number of
talented M.S. graduate students as well as several undergraduate
students on various research projects/topics.
I am an Associate Editor for the ACM Transactions on
Modeling and Performance Evaluation of Computing Systems (TOMPECS)
and on the Advisory Board of Proceedings of ACM Series
on
Measurement and Analysis of Computing Systems (PACM
MACS). I have also served on the Editorial Boards for the
Springer Journal of
Computational Social Networks, and Journal of Computer Sicience and
Technology (JCST) published by the Chinese Academy of
Natural Sciences. I was an Associate Editor for IEEE/ACM
Transactions on Networking (2001 -- 2009), and has also
served on the Editorial Board of Computer Networks in
the past (2001-2004).
I have served on the Technical Program Committees of various
conferences and workshops including ACM SIGCOMM, ACM SIGMETRICS,
ACM MobiHoc, WWW, CoNext, ACM/USENIX IMC, IEEE INFOCOM, IEEE
ICNP, IEEE Global Internet, IWQoS, ACM SIGCOMM Workshopn on
Mining Network Data (MineNet) (2005-2006), ACM SIGMM, and
numerous other conferences/workshops.
I was Technical Program Committee co-chair for the ACM
SIGMETRICS 2017, IEEE International Conference on Network
Protocols 2013 (ICNP'13), IFIP Networking Conference 2013,
ACM/USENIX Internet Measurement Conference 2008 (IMC'08), the
IEEE INFOCOM'06 conference and IEEE/IFIP IWQoS'04. I also served
as a Vice Co-Chair for IEEE ICDCS'13, chaired the track for
"Crowd Sourcing and Social Networks" or co-chaired the "Software
Infrastructure and Their Performance, Scalability and
Availability" track for WWW 2013.
I served on the Steering Committee of IEEE IWQoS conference
and ACM Sigmetrics HotMetrics Workshop, and have also served on
the Executive Committee for IEEE INFOCOM (2001, 2003, and 2006).
Narus Fellow since 2007 (Narus -- acquired by Symmantec -- is a
proven pioneer in cyber security data analytics for enterprises,
carriers, and governments around the world)
I served on the Scientific Board of IMDEA
Networks (a European Research Center in Telematics) from
2007-2010.
I am a member of ACM and IEEE, and a Fellow of IEEE.
