Robert J. Stroud Ian S. Welch John P. Warne Peter Y. A. Ryan A Qualitative Analysis of the Intrusion-Tolerance Capabilities of the MAFTIA Architecture. 453- 2004 conf/dsn/2004 DSN http://doi.ieeecomputersociety.org/10.1109/DSN.2004.1311915 db/conf/dsn/dsn2004.html#StroudWWR04