Data networks that reach across large distances (across states or even continents), known as wide-area networks or WANs, have different requirements and network packet-switching technologies than those that span much shorter distances (within a single...

Wide Area Network (WAN) is a computer network that covers a broad area (i.e., any network whose communications links cross metropolitan, regional, or national boundaries [1]). Or, less formally, a network that uses routers and public communications...

Swan is BACnet specialist at Alerton Technologies, Inc. (Redmond, WA). He can be reached at bills@alerton.com. Swan is secretary of the ASHRAE BACnet Standing Committee, SSPC 135, and serves on an ISO Technical Committee (ISO/TC 205/WG 3) developing an international building automation communications...

Multimedia applications on a wide area network (WAN) have special problems that are quite different from local area networks (LANs), which renders moot lessons users learned from running multimedia applications on a LAN. WANs are based on multiplexing while LANs are a packet based...

This far into our special section, you probably are wondering how you can invest in Web 2.0 companies.Here's the bad news: There are almost no pure plays in this field. In April, Yahoo YHOO paid $680 million for the 80% of Right Media it didn't...

One of the most important traits a winning stock can have is superior earnings growth. That growth will usually be reflected in IBD's Earnings Per Share Rating.Measured on a scale of 1 (worst) to 99 (best), the EPS Rating gives you a snapshot of a...