Data Communications

U.S. government agency for telecommunications regulation.

A directory of the Internet Engineering Task Force groups in these areas: applications, general, Internet, operations and management, routing, security, transport, and user services.

Solutions and services ranging from backbone networks to user terminals for operators, service providers, enterprises and consumers.

International Telecommunication Union

Produces high speed, reliable switching routers to satisfy ISP level performance.

High-speed network access equipment including product line of ATM Access Concentrators.

Manufacturer of hubs, modems, NICs, routers, switches.

Manufacturer of hubs, modems, NICs, routers, and switches.

Search for computer, data communications, and telecommunications definitions.

From University College Cork; there are no definitions but there are acronym expansions so the list is a valuable tool.

Builds intelligent wireless LAN switching systems composed of a modular switches and access points. Includes products information, whitepapers, news and events.

Find DSL availability and prices for your zipcode. Source for all types of xDSL information, end-user reviews and ratings, discussions. Benchmark your line speed.

Associated with Fotec, provides training and training materials useful to installers, end-users, or instructors. Free online instruction shows you the course. The necessary hands-on tools and materials can be ordered.

Charles Spurgeons Ethernet Web SiteA collection of Ethernet Reference Guides.

Web based tool for testing bandwidth. Includes a service locator for North America.