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See how AT&T Ultravailable Network Service can deliver a converged SONET/DWDM ring solution that will suit your networking needs with options to change your network as your business evolves.

Our comprehensive suite of Ethernet services is designed to meet the full breadth of performance, reliability and bandwidth your business requires. AT&T has an extensive U.S. footprint and a growing global presence, providing availability where your business needs it.

AT&T Managed Internet Service provides internet access with several options and the reliability you count on.

AT&T offers a complete choice of optical ring technologies and converged capabilities, based upon your configuration and requirements, including: SONET (Synchronous Optical Network), Dense Wave Division Multiplexing (DWDM) or Converged SONET/DWDM rings. These services can add more features such as Ethernet, Storage or Monitoring capabilities. AT&T has an extensive nationwide footprint, allowing your locations access to metro-connectivity across the country.

AT&T OPT-E-MAN is a switched Ethernet solution available in 13 states and can be configured from 5mg to 1Gbps in arrangements from point to point, point to multi-point or multi-point to multi-point..

This Product Brief provides an overview of AT&T Global Managed Internet Service (GMIS).  GMIS establishes a dedicated Internet connection to multi-national sites around the globe, giving a centralized buying point in the US for all Internet service needs.

AT&T Ethernet Services explained in a short video. See why Ethernet is a growing technology, how it works for Local, Metro and Wide Area networks and why it can work for you.

This fast paced video illustrates two common ring protocols: Synchronous Optical Network (SONET) and Dense Wave Division Multiplexing (DWDM).

How do technology differentiators drive WAN decisions?

Make your MPLS VPN more efficient and productive.

How do WAN services differ within each Layer of the Open System Interconnection (OSI) Model?

What motivates a company to change or keep its current network architecture?

How do you create the right mix of WAN technologies for your networking environment?

How do you combine WAN services so they complement each other?

In this podcast, Tom Siracusa, Executive Director of VPN Strategy with AT&T Labs, responds to frequently asked questions about virtual private LAN service (VPLS).

In this podcast, AT&T's Tom Siracusa answers network design questions about virtual private LAN service (VPLS).

Anywhere you can get an Internet connection, you can extend the reach of your AT&T MPLS VPN.

Review these important points before designing an Ethernet-based network.

73% of organizations say they’re using some type of Carrier Ethernet.

Choosing the right WAN technology mix can be a challenge.

If you haven't already done so, you're likely to integrate a variety of access services and devices onto your corporate VPN in the near future. This article tells you how.

This third installment of our inside AT&T series shows you how the company is reaping the benefits of a thoroughly mobile workforce: increased productivity, reduced real estate costs, and lower turnover.

The value of convergence grows as it extends into new areas.

Clarian Health provides instant, accurate and complete patient information for nurses and doctors thanks to a powerful and dependable fiber optic network that links 14 locations in the Indianapolis area.

Learn how AccuWeather.com provides data on demand to help millions of people plan their days.

DSL may be the right access choice for businesses needing cost-effective connectivity for remote workers, satellite offices and traveling employees.