GeekTools
This is a set of technical resources for network engineers and system administrators; includes whois and traceroute.

Data Communications
Online version of the well-respected magazine: source of in-depth information about networking products and services.

Raj Jain - Networking Topics
Dr. Jain, Professor of Computer and Information Science at Ohio State University, makes available his extensive collection of papers, reports, presentations, tutorials, and class notes on the latest networking topics such as ATM traffic management, gigabit networking, ATM over satellite, FDDI, and performance analysis.

Widebeam Project
This report from the European Commission supported Widebeam project provides an exhaustive guide to electronic communications within and between small to medium businesses.

Protocols.com
Aptly named, this source includes extensive information on WAN/LAN data and telecommunications protocols.

Federal Communications Commission
U.S. government agency for telecommunications regulation.

Cazfry's Networking Page
Links to data communications and networking information, specs, standards, and tutorials.

Controller Area Network (CAN)
A serial bus used in distributed real-time control systems (i.e., in cars, industrial automation).

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

Network Computing Technology Solution Center
Includes current technology news articles, and guides for topic areas such as infrastructure, e-Commerce, WAN systems and telephony, and messaging and collaboration.

CLEC Information
Competitive Local Exchange Carrier resources includes a directory of CLECs and a LATA map; there are also papers on digital switch basics, starting a CLEC, and communications regulation.

ASN.1 Information
Abstract Syntax Notation number one is an international standard notation used in describing transmitted data in telecommunications.

Telco Exchange
Telco line (ex. T1, DSL, ISDN) price calculator and service locator.

Broadband Guide
On-line resource for products and technologies that deliver voice, data and video.

Information Technology Professional's Resource Center
Provides IT professionals with a place to locate information on key technologies.

Information and Telecommunication Technology Briefs
A bulletin published several times a year by the Institute for Microstructural Sciences (IMS) and the Institute for Information Technology (IIT) of the National Research Council of Canada.

Asbjorn's Networking Page
Links to autorative information on networking.

MPLS Resource Center
Information on the IETF's Multiprotocol Label Switching Standard.

Broadband Daily
Publication covering high-speed Internet access, interactive TV, DSL, cable modems, packet-switching

Network Cabling Help
Network cabling basics, with tutorials on Ethernet, Token Ring, Fibre, and installation practices.

TKM Communications
Cable installation company providing communications cables for voice and data installations.

Standard Data Ports
List of standard TCP and UDP ports used by different applications.