Synchronous Optical Network (SONET)

Designed to carry large volumes of data over long distance on fiber optic cabling
Supports speeds of in Gbps range

Level	Speed
OC-1	51.84Mbps
OC-3	155.52mbps
OC-12	622.08Mbps
OC-24	1.244Gbps
OC-48	2.488Gbps
OC-192	9.953Gbps