: Allows you to connect to your office PC from home without the address changing.

: Essential for web, email, or game servers so users can always find them.

: He pointed his map toward the Default Gateway (his local router) so he could still talk to the outside world.

The problem was that Solomon lived in a neighborhood governed by (Dynamic Host Configuration Protocol). In this neighborhood, addresses were handed out like temporary hotel room keys. Every time Solomon woke up, he might have a different house number. One day he was at 192.168.1.10 , and the next he might be moved to 192.168.1.55 .

: Prevents your computer from "losing" the printer because its address changed.

"I need to stay put," Solomon sighed. "I need a ."