A network architecture in which each end point is capable of reaching any other end point directly through a point-to-point physical or logical circuit. Contrast with "hub and spoke," which uses a central switching point and half as many direct circuits.
Full Mesh Vs. Hub and Spoke
In this frame relay example, the blue lines provide a full mesh between each end point. In order to save costs, the hub and spoke architecture requires only three circuits. (Illustration drawn with assistance courtesy of Alcatel, www.alcatel.com)