NDLI: Protecting anonymity in dynamic peer-to-peer networks

Content Provider	IEEE Xplore Digital Library
Author	Puttaswamy, K. Sala, A. Wilson, C. Zhao, B.Y.
Copyright Year	2008
Description	Author affiliation: Comput. Sci. Dept., Univ. of California at Santa Barbara, Barbara, CA (Puttaswamy, K.; Sala, A.; Wilson, C.; Zhao, B.Y.)
Abstract	Peer-to-peer anonymous networks offer the resources to support todaypsilas Internet applications. In todaypsilas dynamic networks, the key challenge to these systems arises from node dynamics and failures that disrupt anonymous routing paths, forcing them to be frequently rebuilt. Not only do these path rebuilds interrupt application sessions, but they also leak information to logging attacks such as the predecessor attack, leading to significant degradation of anonymity over long sessions. In this paper, we propose Bluemoon, a new anonymous protocol that provides strong resilience against the predecessor attack through the use of persistent anonymous links called hooks. When chained together, these links create robust anonymous paths that avoid path disruptions and rebuilds across node failures. Through detailed analysis, we show that relative to prior approaches, Bluemoon provides significantly stronger resistance against predecessor attacks. Finally, we implement and deploy a prototype on both local and Internet-scale network testbeds, and show that it provides high throughput even in high-load environments such as PlanetLab.
Starting Page	104
Ending Page	113
File Size	294761
Page Count	10
File Format	PDF
ISBN	9781424425068
ISSN	10921648
DOI	10.1109/ICNP.2008.4697029
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-10-19
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Protection Peer to peer computing IP networks Routing Degradation Protocols Resilience Robustness Prototypes Testing
Content Type	Text
Resource Type	Article

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