jordan - amman tel:5609999 fax:5232899 p.o.box : 166 email:[email protected] copyright © 2011 applied...

Jordan - Amman Tel:5609999 Fax:5232899 P.O.Box : 166 Email:[email protected]

Copyright © 2011 Applied Science University. All Rights Reserved

ASU Open Course SystemASU Open Course System


Networks (1) 1304230Networks (1) 1304230 Dr. Shadi R. Masadeh

Email: [email protected] – Ext. 1428

CNS Department

Faculty of Information Technology (FIT)



Networks (1) 1304230Networks (1) 1304230

• Prerequisite: 1304130• Course Description• Text Book:

“ TCP/IP Protocol Suite: Behrouz A. Forouzan,

McGrawHill, Third Edition, 2006 ”• References:

“ Data & Computer Networks: W. Stallings,

Prentice Hall, Seventh Edition, 2004 “



3

The OSI Model andThe OSI Model andthe TCP/IP Protocol Suitethe TCP/IP Protocol Suite

Part 1Part 1

•The architecture of the OSI model•The layers of the OSI model and their functions•The architecture of the TCP/IP Protocol Suite• The OSI model V.s The TCP/IP Suite•Types of Internet addresses

Outline



4

The OSI ModelThe OSI Model

The The International Standards Organization (ISO)International Standards Organization (ISO) is a multinational body is a multinational body dedicated to worldwide agreement on international standards. dedicated to worldwide agreement on international standards. An ISO standard that covers all aspects of network communications is An ISO standard that covers all aspects of network communications is the the Open Systems Interconnection (OSI)Open Systems Interconnection (OSI) model. model.

ISO is the organization.OSI is the model

Note:Note:



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Figure 1 The OSI model



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Figure 2 Physical layer



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The physical layer is responsiblefor the movement of individual bits from one hop (node) to the next.

Note:Note:



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Figure 3 Data link layer



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The data link layer is responsible for moving frames from one hop (node) to

the next.

Note:Note:



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Figure 4 Network layer



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The network layer is responsible for the delivery of individual packets from the source host to the destination host.

Note:Note:



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Figure 5 Transport layer



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The transport layer is responsible for the delivery of a message from one

process to another.

Note:Note:



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Figure 6 Session layer



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Figure 7 Presentation layer



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Figure 8 Application layer



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Figure 9 Summary of layers

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