Chapter 22 Upper OSI Layers Session Layer Presentation Layer Application Layer WCB/McGraw-Hill The McGraw-Hill Companies, Inc., 1998.

Chapter 22

Upper OSI Layers

• Session Layer

• Presentation Layer

• Application Layer

WCB/McGraw-Hill The McGraw-Hill Companies, Inc., 1998

Figure 22-1

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Session Layer Dialog

Figure 22-2

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Session to Transport Communication

Figure 22-3

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Synchronization Points

Figure 22-4

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SPDU

Figure 22-5

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Figure 22-6

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Translation Methods

Figure 22-7

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Encryption and Decryption

Figure 22-8

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Figure 22-9

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Data Encryption Standard

Figure 22-10

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Public Key Encryption

Figure 22-11

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RSA Encryption

Figure 22-12

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Signature Authentication

Figure 22-13

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Figure 22-14

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Run Length Encoding

Figure 22-15

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Message Handling System

Figure 22-16

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Message Format in MHS

Figure 22-17

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Virtual File Storage

Figure 22-18

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Local Access

Figure 22-19

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Remote Access

Figure 22-20

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Virtual Terminal