Cooper, Brian F. and Bawa, Mayank and Daswani, Neil and Garcia-Molina, Hector (2002) Protecting the PIPE from malicious peers. Technical Report. Stanford InfoLab.
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Abstract
Digital materials can be protected from failures by replicating them at multiple autonomous, distributed sites. A Peer-to-peer Information Preservation and Exchange (PIPE) network is a good way to build a distributed replication system. A significant challenge in such networks is ensuring that documents are replicated and accessible despite malicious sites. Such sites may hinder the replication of documents in a variety of ways, including agreeing to store a copy but erasing it instead, refusing to serve a document, or serving an altered version of the document. We define a model of PIPE networks, a threat model for malicious sites, and propose basic solutions for managing these malicious sites. The basic solutions are inefficient, but demonstrate that a secure system can be built. We also sketch ways to improve the efficiency of the system.
| Item Type: | Techreport (Technical Report) | |
|---|---|---|
| Uncontrolled Keywords: | peer to peer, security, trust, malicious attacks, digital document preservation | |
| Subjects: | Computer Science > Archival Computer Science > Digital Libraries Computer Science > Distributed Systems Miscellaneous | |
| Projects: | Digital Libraries | |
| Related URLs: | Project Homepage | http://www-diglib.stanford.edu/diglib/pub/ |
| ID Code: | 547 | |
| Deposited By: | Import Account | |
| Deposited On: | 15 Jan 2002 16:00 | |
| Last Modified: | 25 Dec 2008 08:48 |
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