Dr. John Heidemann

Professor

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Biography

John Heidemann received his B.S. from the University of Nebraska-Lincoln in 1989, followed by both his M.S. and Ph.D. degrees in Computer Science from the University of California, Los Angeles in 1991 and 1995, respectively. He is a research professor in the Thomas Lord Department of Computer Science and a principal scientist at the USC Information Sciences Institute. He leads the Analysis Network Traffic (ANT) Lab, focusing on large Internet topology traffic data to inform network reliability, security, protocols, and critical services. His contributions to the field of computer science have earned him recognition as a senior member of the Association for Computing Machinery and a fellow of the Institute of Electrical and Electronics Engineers. His extensive research interests reflect a commitment to advancing the understanding of Internet infrastructure and its performance.

Research Interests

Internet Traffic Analysis Network Reliability Network Security Network Protocols

Requirements for University of Southern California

Master Program
Requirements
GPA Requirement
Required:3
TOEFL
Listening
Required:20
Reading
Required:20
Writing
Required:20
Speaking
Required:20
Total
Required:90
IELTS
Listening
Required:6
Reading
Required:6
Writing
Required:6
Speaking
Required:6
Overall
Required:6.5
GRE General
Prerequisites
Bachelor's degree in Engineering, Math, or Hard Science
Application Checklist
  • Online application
  • Official transcripts
  • Personal Statement
  • Resume/CV
  • Letters of Recommendation (not required for MS CS, but allowed)
Specialization Notes

GRE is NOT required for Master's applicants for 2025-2026.