Verizon's Asynchronous Transfer Mode (ATM) networking technology delivers high-speed voice, data and video traffic over a single network facility. It supports higher transfer speeds than Frame Relay and delivers the security and scalability to support today's applications - and tomorrow's.

• Helps control network, equipment, and operations costs
• Extends to 22 countries across our facilities-based network
• Delivers high redundancy
• Simplifies billing with one provider, one contract, and one simple rate plan
• Provides flexible, desktop-controlled bandwidth options (from DS-1 to OC-12)
• Features domestic, U.S. and international infrastructure
• Works with existing investments from Frame Relay to ATM Service Interworking
• Backed by competitive SLAs

Verizon's ATM offering supports Class of Service for carrying voice, video, and data over a single network.

Features multiple interface rates:

• 1.544 Mbps (DS-1)
• IMA (3 Mbps - 12 Mbps)
• 45 Mbps (DS-3), 155 Mbps (OC-3)
• 622 Mbps (OC-12)

Supports all five major service classes defined by the ATM forum:

• Constant Bit Rate (CBR)
• Variable Bit Rate - Not Real Time (VBR-NRT)
• Variable Bit Rate - Real Time (VBR-RT)
• Available Bit Rate (ABR)
• Unspecified Bit Rate (UBR)