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Chris Tracy

Christopher (Chris) Thomas Tracy
Network Engineer
Network Engineering Services Group

Chris Tracy has worked in computing and networking since 1997. Prior to joining ESnet, he was a Co-PI on the GENI MANFRED proposal and was one of the systems/optical network engineers for the NSF DRAGON project, a $6.5M research program to deploy "experimental" optical networks utilizing novel technologies and services to provide real and measurable advantage to advanced e-science applications. The program was a collaborative project between the Mid-Atlantic Crossroads, the USC Information Sciences Institute East, George Mason University, and the University of Maryland College Park. Tracy has also directly contributed to Internet2's HOPI/DCN project since April 2004.

He was also responsible for the deployment and operational management of the DRAGON network - a lambda-switched network which includes over 100 miles of fiber in the Washington DC/Baltimore metro area connecting 7+ POPs with ROADMs, OADMs, L2 switches, routers, etc. Tracy has helped with strategic planning and providing engineering support for the DRAGON, HOPI, and DCN networks. Prior to MAX, Tracy was a Senior Network Engineer for seven years at a regional ISP in the Pittsburgh, Pennsylvania area. He has presented at LISA 2002, and was also involved with the Pittsburgh SAGE organization. Tracy has been actively involved with the SCinet planning committee between 2002-2006, primarily working with the IT and WAN groups.

Tracy received a Bachelor of Science degree in Computer Engineering from the University of Pittsburgh in 2001, and is currently pursuing a master's degree in telecommunications management at University of Maryland University College (UMUC).
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Journal Articles

Zhenzhen Yan, Chris Tracy, Malathi Veeraraghavan, Tian Jin, Zhengyang Liu, “A Network Management System for Handling Scientific Data Flows”, Journal of Network and Systems Management, October 11, 2015,

Z. Yan, M. Veeraraghavan, C. Tracy, C. Guok, “On How to Provision Virtual Circuits for Network-Redirected Large-Sized, High-Rate Flows”, International Journal on Advances in Internet Technology, vol. 6, no. 3 & 4, 2013, November 1, 2013,

Conference Papers

Ranjana Addanki, Sourav Maji, Malathi Veeraraghavan, Chris Tracy, “A measurement-based study of big-data movement”, 2015 European Conference onNetworks and Communications (EuCNC), July 29, 2015,

Z. Yan, M. Veeraraghavan, C. Tracy, and C. Guok, “On how to Provision Quality of Service (QoS) for Large Dataset Transfers”, Proceedings of the Sixth International Conference on Communication Theory, Reliability, and Quality of Service, April 21, 2013,

Presentation/Talks

Chris Tracy, 100G Deployment--Challenges & Lessons Learned from the ANI Prototype & SC11, NANOG 55, June 2012,

This presentation will discuss the challenges and lessons learned in the deployment of the 100GigE ANI Prototype network and support of 100G circuit services during SC11 in Seattle. Interoperability, testing, measurement, debugging, and operational issues at both the optical and layer-2/3 will be addressed. Specific topics will include: (1) 100G pluggable optics – options, support, and standardization issues, (2) Factors negatively affecting 100G line-side transmission, (3) Saturation testing and measurement with hosts connected at 10G, (4) Debugging and fault isolation with creative use of loops/circuit services, (5) Examples of interoperability problems in a multi-vendor environment, and (6) Case study: Transport of 2x100G waves to SC11.

Chris Tracy, Introduction to OpenFlow: Bringing Experimental Protocols to a Network Near You, NANOG50 Conference, Atlanta, Oct. 4, 2010, October 4, 2010,

Chris Tracy, Eli Dart, Science DMZs: Understanding their role in high-performance data transfers, CANS 2010, September 20, 2010,