Modules
Take the assessment →Every parameter change is recomputed server-side into a cross-layer cascade — how one layer's state ripples into the next. That correlation engine is the part a plain visualizer can't copy.
TCP Connection Lifecycle
From SYN to FIN — the complete lifecycle of a TCP connection, traced through the Linux kernel. Learn why packet loss cascades into application latency, why HTTP/2 head-of-line blocking is a TCP problem not an HTTP problem, and how congestion control shapes every connection.
net/ipv4/tcp_input.c
Launch Simulator →BGP Session Lifecycle
The finite state machine governing every BGP peering session. Understand why 'Active' means the session is failing, how hold timers create silent blackholes, and what happens when a BGP peer goes down.
bgpd/bgp_fsm.c
Launch Simulator →Coming soon
BGP Best Path Selection
SoonIn development
BGP Messages
SoonIn development
OSPF
SoonIn development
More modules in development.