(1) A temporary communications path created between devices in a switched communications system. For example, a message from New York to Los Angeles may actually be routed through Atlanta and St.

Demand for frame relay and even ATM switched virtual circuits never fully took off. Despite our enthusiastic writings about the scalability and automated user self-provisioning potential of SVCs back ...

Circuits as WAN connections battled successfully against packets for years because they guaranteed bandwidth, no matter what. If you bought a T-1 circuit, the service provider nailed up 1.5Mbps from ...

He shuns the limelight, but Van Jacobson's contributions to the Internet's underlying protocols are so fundamental that a TCP header compression scheme bears his name. The Packet Design Inc. chief ...