A Generalized Bloom Filter to Secure Distributed Network Applications

Distributed applications use Bloom filters to transmit large sets in a compact form. However, attackers can easily disrupt these applications by using or advertising saturated filters. In this paper, the authors introduce the Generalized Bloom Filter (GBF), a space-efficient data structure to securely represent a set in distributed applications, such as IP traceback, web caching, and peer-to-peer networks. Different from the standard Bloom filter, the GBF has an upper bound on the false-positive probability, limiting the effect of these attacks. The key idea of the GBF is to not only set, but also reset bits of the filter at each insertion.

Provided by: Reed Elsevier Topic: Mobility Date Added: Feb 2011 Format: PDF

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