Congestion-Control Mechanisms

In networking today, congestion is a problem that plagues the WAN environment more than the LAN environment. With the speed of today's LAN networks, up to 10-gigabit speeds on some interfaces, congestion is less of a problem in the LAN environment than it has been in the past. Congestion usually shows up when you attempt to pass 10 GB of information down a 1.5-Mbps Frame Relay T1.

One reason for congestion still being a problem in today's environment is that the developers of WAN protocols must contend with the overhead that is associated with any type of congestion control. When you are paying a premium for limited speed, you don't want a significant amount of management traffic taking resources away from your critical ...

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