SDN also offers the following dedicated bandwidths: Ethernet - 3 Mbps - Multi-Gigabit ATM - DS1 - OCn Frame Relay - DS1 - DS3 Dedicated Internet - DS1 - OCn Private Line - DS1 - OC192 Click here to view a map of SDN's fiber network. Dedicated Long Distance and Internet (DLDI) - many businesses have a DS1 line for Internet and another DS1 for long distance service. Neither runs at capacity. SDN's technology allows voice traffic to mix with data traffic making your Internet, long distance and inbound toll-free service: More affordable More efficient in bandwidth usage