An FPGA-based system for tracking digital information transmitted via Peer-to-Peer protocols
by Karl R. Schrader, Barry E. Mullins, Gilbert L. Peterson, Robert F. Mills
International Journal of Security and Networks (IJSN), Vol. 5, No. 4, 2010

Abstract: This paper presents a Field Programmable Gate Array (FPGA)-based tool designed to process file transfers using the BitTorrent Peer-to-Peer (P2P) protocol and VoIP phone calls made using the Session Initiation Protocol (SIP). The tool searches selected control messages in real time and compares the unique identifier of the shared file or phone number against a list of known contraband files or phone numbers. Results show the FPGA tool processes P2P packets of interest 92% faster than a software-only configuration and is 97.6% accurate at capturing and processing messages at a traffic load of 89.6 Mbps.

Online publication date: Thu, 23-Dec-2010

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