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Author Archives: Keyboard Banger

Queueing Properties

In a queue, we can model an arrival process with a deterministic process. However, when aggregated, arrival processes are random events. So we model them with a random process. The study of random arrival processes is part of a discipline ... Read More »

Circuit Switching Concepts

Circuit switching technology appeared long before packet switching. It appeared to support Telephone calls first, then was used for computer communication. In the past, a dedicated physical circuit was formed by Switchboard Operators each time a phone A wants to ... Read More »

Switching And Forwarding

Backplane: a shared bus over which all packets pass through On a packet switch, each egress interface has a queue (the output queue) Recall from the “Principle of Packet Switching” article that: On an egress link, only one packet is ... Read More »

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