NSSA is an extension of the stub area feature that allows the injection of external routes in a limited fashion into the stub area.

Stub area A stub area is an area which does not receive route advertisements external to the autonomous system (AS) and routing from within the area is based entirely on a default route.

The BFC (BeFunge Compiler) for Win32 written by Andrew Carter (Uranium 239), simply uses a self executing stub and modifies the preallocated 80x25 byte matrix inside the stub to execute any given befunge program.

Modifications to the basic concept of stub areas exist in the not so stubby area (NSSA).

The resonators are treated as lumped elements however, the coupling wires are made exactly one half wavelength (λ 2) long and are equivalent to a λ 2 open circuit stub in the electrical equivalent circuit.

He carries this on for hours, during which time he prepares himself a drink that I could hear him sip I can also smell cigarettes. Unfortunately the room is non smoking, so he has to stub them out on me.