Patent ID: 8139570

Claim:
A switching node comprising: a set of J switch modules, J>1, interconnected in a full mesh; a set of K rotators, 0<k<J, each rotator having an output channel to each switch module; a plurality of edge nodes each edge node having an inbound channel from a switch module and an outbound channel to a rotator; and a core controller interposed between an outward port of a selected switch module and an inward port of said selected switch module, said core controller having: a control path from each edge node of said plurality of edge nodes through a respective rotator and said selected switch module; a control path to each edge node having an inbound channel from said selected switch module through said selected switch module; and a control path to each edge node having an inbound channel from any switch module, other than said selected switch module, through said selected switch module and said any other switch module.