Forrests model →--1------1--1--4--- External host Host Randomly created 20.20.15.7 0100111000011 port: 22 ensitivity Detector level set datapath triple Immature (20.20/157,31142287 Internal No match during pres 31 Mature& NaivkExceed Match tolerization exceed Activated 0100111010101000110.101010010 Co stimulation Broadcast LAN od Last matches Death Memo immature, naive, memory) AIS for computer network security.(a)Architecture. (b) Life cycle of a detecForrests Model AIS for computer network security. (a) Architecture. (b) Life cycle of a detector. Randomly created Immature Mature & Naive Death Activated Memory No match during tolerization 010011100010.....001101 Exceed activation threshold Don’t exceed activation threshold No co stimulation Co stimulation Match Match during tolerization Datapath triple (20.20.15.7, 31.14.22.87, ftp) Broadcast LAN ip: 31.14.22.87 port: 2000 Internal host External host ip: 20.20.15.7 port: 22 Host sensitivity level secondary representation Detector set {immature, naive, memory} Last activated matches 0100111010101000110......101010010 Detector state Activation flag