kP2PADM:AnIn-kernel GatewayArchitecture forManaging P2PTraffic

This workpresents anin-kernel gateway architecture on Linux, namely kP2PADM, formanaging P2Ptraffic ondynamicports. Thisdesign caneffectively eliminate redundantdatapassing between thekernel space andtheuser space. Themanagement functions include (1)classifying andfiltering P2Ptraffic, (2)scanning viruses onshared files, (3)auditing chatting messages andtransferred files, and(4)bandwidth control. Practical implementation issuesandtechniques inthesystem design arediscussed herein. Thisdesign proposes adual-queue architecture to handle packet reassembly andresolve head-of-line blocking. Aconnection cache accelerates handling thereconnection requests fromthepeers. Thethroughput canachieve upto185.73 Mbpsevenwithcontent filtering, andremainsaround 79.09 Mbpswhenvirus scanning isenabled. Theimpacts ofeachmanagementfunction andout-of-order packets onperformance arealsoanalyzed through theinternal benchmarks.