DATE: Thursday, September 20, 2001
TIME: Noon - 1 pm
PLACE: Wean Hall 8220

Chenxi Wang

Research Faculty, ECE, Carnegie Mellon

Security Issues for Publish/Subscribe Systems

Publish/subscribe has emerged as a promising paradigm for distributed computing and wide-area content dissemination. A pub/sub system is more flexible and can be more efficient than traditional multicasting, and is well-suited for dynamic membership behaviors. Current research in pub/sub tends to focus on performance and routing algorithms. In this talk I will lay out the security issues present in a general publish/subscribe system. I distinguish between those that can be solved with existing technologies that those that demand new and innovative solutions. I will characterize two open problems--opaque routing and payment in pub/sub--in depth, and explore potential research directions.

Chenxi is currently a research faculty at the Electrical and Computer Engineering Department at CMU. She holds a Ph.D. in Computer Science from the University of Virginia. Her research interests include security
solutions for large-scale, distributed systems, and security issues with respect to software engineering. Chenxi held a research associate position at Citibank from 1996 to 1997. She is the recipient of ACM DC Chapter's 1999 Samuel Alexander award for Doctoral Candidates and the 1999 outstanding student research award from the University of Virginia. Chenxi served on the program committee for ACM's New Security Paradigm's workshop from 1997 to 1999. She is the work-in-progress chair for ACM's ACSAC 2001.

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