Question

Suppose an ATM switch has 16 ports each operating at SONET OC-3 transmission rate, $155 \mathrm{Mbps}$. What is the maximum possible throughput of the switch?

    Suppose an ATM switch has 16 ports each operating at SONET OC-3 transmission rate, $155 \mathrm{Mbps}$. What is the maximum possible throughput of the switch?

Communication Networks: Fundamental Concepts and Key Architectures

Communication Networks: Fundamental Concepts and Key Architectures

Indra Widjaja,… 1st Edition

Chapter 7, Problem 32

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Suppose an ATM switch has 16 ports each operating at SONET OC-3 transmission rate, $155 \mathrm{Mbps}$. What is the maximum possible throughput of the switch?

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Key Concepts

SONET OC-3

SONET (Synchronous Optical Network) is a standardized protocol for transmitting digital information using optical fiber. An OC-3 link is one of the rates defined in SONET, with a transmission rate of approximately 155 Mbps. This specification ensures consistency and reliability in high-speed communication networks.

Throughput Calculation

Throughput in a network context refers to the maximum rate at which data can be successfully transmitted through a device or network segment. In scenarios where multiple ports operate at a given rate, the overall maximum throughput can be found by summing the individual port transmission rates, assuming that there are no other limiting factors such as overhead, congestion, or switch architecture limitations.

ATM Switch

An ATM switch is a networking device that directs fixed-size data cells across a network by using asynchronous transfer mode technology. It is designed to handle multiple high-speed connections simultaneously and is used in environments where predictable and efficient cell switching is crucial for delivering data over virtual circuits.

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