Ying Zhang Zhuoqing Morley Mao Jia Wang A Firewall for Routers: Protecting against Routing Misbehavior. 20-29 2007 conf/dsn/2007 DSN http://doi.ieeecomputersociety.org/10.1109/DSN.2007.7 db/conf/dsn/dsn2007.html#ZhangMW07