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PrefixPreserving IP Address Anonymization: Measurementbased Security Evaluation and a New Cryptographybased Scheme

Summary: Prefix­Preserving IP Address Anonymization: Measurement­based Security
Evaluation and a New Cryptography­based Scheme 
Jun Xu Jinliang Fan Mostafa H. Ammar Sue B. Moon
College of Computing Sprint ATL
Georgia Institute of Technology 1 Adrian Court
Atlanta, GA 30332­0280 Burlingame, CA 94010
fjx,jlfan,ammarg@cc.gatech.edu sbmoon@sprintlabs.com
Abstract-- Real­world traffic traces are crucial for Inter­
net research, but only a very small percentage of traces col­
lected are made public. One major reason why traffic trace
owners hesitate to make the traces publicly available is the
concern that confidential and private information may be
inferred from the trace. In this paper we focus on the prob­
lem of anonymizing IP addresses in a trace. More specifi­
cally, we are interested in prefix­preserving anonymization
in which the prefix relationship among IP addresses is pre­
served in the anonymized trace, making such a trace us­
able in situations where prefix relationships are important.
The goal of our work is two fold. First, we develop a
cryptography­based, prefix­preserving anonymization tech­


Source: Ammar, Mostafa - College of Computing, Georgia Institute of Technology


Collections: Computer Technologies and Information Sciences