| Bio | Socio | Computer |
|---|---|---|
| Skin/Gut | Checkpoint | Firewall |
| 10^12 lymphocytes | 10^2 police | 1 program |
| Phagocytosis | Garbage collection | Tidy |
| Apoptosis | Decommission | SIGCHLD |
| Necrosis/Lysis | Collapse | SIGSEGV |
| Fever | Social conflict (war) | Thrashing |
| Self tolerance | Innocent until guilty | Convergence |
| Random T/B cell patrols | Police patrols | Explicit searches |
| Memory cells | Criminal record | Pattern detection |