Title
Anonymity in Wireless Broadcast Networks
Abstract
Systems that provide network traffic anonymity typically focus on wide-area network topologies, and exploit the infeasibility of eavesdropping on all links to prevent at- tackers from determining communication peers. This ap- proach is inappropriate for high-security wireless local- area networks, since it does not obscure the traffic vol- ume, allowing attackers to identify critical nodes (e.g., a military HQ) and, given the ability of an attacker to ob- tain a global view of all communications, the relative ease of identifying the source and destination of traffic flows. These weaknesses derive from the fact that, whereas in wide-area networks the sender, the receiver and the ad- versary are on different physical links, in wireless net- works they may share a single broadcast link. Moreover, the adversary can easily find the physical location of the transmitter and thereby identify the entity sending the traffic, not just its network identity. We introduceWire- less Anonymous Routing (war), an approach to achieve anonymity in a broadcast network. We describe a for- mal threat model for war and compare it to the tradi- tional anonymity approaches. We show that these are inadequate when applied to the broadcast model, and de- scribe new protocols that preserve security with better performance, adequately addressing the requirements of security-critical environments. We provide analytical and some preliminary experimental evidence that our proto- cols achieve anonymity at a reasonable cost.
Year
Venue
Keywords
2009
I. J. Network Security
wireless,manet,anonymity,onion routing,source routing,wireless local area network,traffic flow,col,computer science
Field
DocType
Volume
Wireless network,Traffic generation model,Computer security,Computer science,Broadcasting (networking),Computer network,Network topology,Wireless WAN,Anonymity,Broadcast radiation,Broadcast communication network
Journal
8
Issue
Citations 
PageRank 
1
9
0.58
References 
Authors
52
5
Name
Order
Citations
PageRank
matt blaze13189381.70
John Ioannidis21431145.33
Angelos D. Keromytis34678385.02
Tal G. Malkin42633152.56
Aviel D. Rubin53330374.32