# Fully-connected Topology Types

The fully-connected topology is a topology where each router has a bidirectional channel connecting it to each remaining router of the topology. One or more endpoint nodes are connected to a router.

**Figure Fully_Connected_example. A
fully-connected topology with six routers.**

Figure Fully_Connected_example shows a fully-connected topology with six routers.

## Cheat Sheet

- The fully-connected topology is a topology where each router has a bidirectional connecting it to each remaining router of the topology.