WAN Ethernet 10 GigE Fact Sheet Ethernet is an emerging and necessary service for many of today’s global service providers, offering the freedom to choose connectivity options that best meet business needs. To date, telecommunications providers have had few options for wholesale Ethernet and have been forced to purchase bundles in smaller increments to meet their increasing bandwidth requirements. Answering the need for high capacity Ethernet, Tata Communications introduces a wholesale 10 Gigabit Ethernet (10 GigE) service, available between 25 major cities in 11 countries worldwide. As a cost-effective alternative to increasingly expensive, traditional TDM networks, Ethernet provides a solution that helps providers reduce operational costs without sacrificing quality. 10 GigE provides a transparent pipe service with both WAN PHY and LAN PHY interface offerings. As part of Tata Communications’ extensive portfolio of services, 10 GigE leverages Tata Communications’ global SONET/SDH network to satisfy large-scale, wholesale needs for high-speed Ethernet technology. Features of Tata Communications’ 10 GigE service include: _ Point-to-point configuration _ Choice of protected or unprotected circuits _ Secure, private network _ Transparent pipe _ A single, high-priority service with frames forwarded in the order received Dedicated Service The 10 GigE service features global reach to 25 cities in 11 countries with transparent Ethernet transport and a choice of protected or unprotected circuits. Customers’ data is isolated and travels on its own Ethernet pipe — as a truly dedicated service there is absolutely no bandwidth sharing with other customers. For additional details, refer to the data sheet on this service. Transparent Pipe 10 GigE from Tata Communications features full-service frame transparency with no Quality of Service (QoS) restrictions so frames are forwarded in the order received, ensuring all customer traffic flows in order and without restriction. Additionally, customers may choose between protected or unprotected circuits on specific segments or on the entire network. Lower Cost Ethernet Interfaces Tata Communications’ 10 GigE service provides a cost- effective alternative to Layer 1 TDM networks and works well for carriers seeking a high performance networking solution to connect remote LAN locations. Additionally, the cost-effective Ethernet ports create an ideal solution for wholesale customers with high bandwidth requirements. PoP-to-PoP availability protects customers with basic SLA performance guarantees. WAN Ethernet