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X.25
Special Instructional Objective On completion of this lesson, the student will be able to: · State…
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Physical Configuration and Network Elements
Three basic devices used in the SONET system are shown in Fig. 4.3.1. Functions of…
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Why Synchronize?
In a synchronous system such as SONET, the average frequency of all clocks in the…
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Synchronous Optical Network (SONET)
Specific Instructional Objectives At the end of this lesson the student will be able to:…
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Datagram Packet Switching Networks
This approach uses a different, more dynamic scheme, to determine the route through the network…
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Packet Switching
The basic approach is not much different from message switching. It is also based on…
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Message Switching
In this switching method, a different strategy is used, where instead of establishing a dedicated…
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Switching Techniques: Circuit Switching
Specific Instructional Objectives At the end of this lesson the student will be able to:…
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Flow Control and Error Control
Special Instructional Objectives: On completion, the student will be able to: · State the need for…