| Name | Type | Description |
|---|---|---|
| ErrorHandling | simple module |
Handles error notifications that arrive from other protocol modules. |
| ICMP | simple module |
ICMP implementation |
| IGMP | compound module |
Placeholder for the IGMP protocol |
| IP | simple module |
Implements the IP protocol. The protocol header is represented by the IPDatagram message class. |
| RoutingTable | simple module |
Stores the routing table. (Per-interface configuration is stored in InterfaceTable.) |