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network models
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Workouts in Microeconomics Solution Manual 2024 latest 10th edition with complete solution
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Data Communications and Networking Solution Manual 2024 with complete solution
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Chapter 2Network Models
2.1
, 2-1 LAYERED TASKS
We use the concept of layers in our daily life. As an
example, let us consider two friends who communicate
through postal mail. The process of sending a letter to a
friend would be complex if there were no services
available from the post office.
Topics discussed in this section:
Sender, Receiver, and Carrier
Hierarchy
2.2
, Figure 2.1 Tasks involved in sending a letter
2.3
, 2-2 THE OSI MODEL
Established in 1947, the International Standards
Organization (ISO) is a multinational body dedicated to
worldwide agreement on international standards. An ISO
standard that covers all aspects of network
communications is the Open Systems Interconnection
(OSI) model. It was first introduced in the late 1970s.
Topics discussed in this section:
Layered Architecture
Peer-to-Peer Processes
Encapsulation
2.4
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