Download What are Internet Protocols?

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Transcript 
Introduction
Lecture 1
Protocol
• (Formal) Language
• 3 elements
Internet
• Internet = Inter + Net
• Inter
• Net
Internet(working) Protocol
I
P
How Internet works
• Like a bucket brigade
How Internet is structured
How Internet is connected
Layering principle
Layering principle
• Physical
• (Data)Link
• (Inter)Network
• Transport
• Application
Internet protocol suite
• Not just IP!
Hourglass
Switching
• Packet switching
– Datagram
– Virtual circuit
• Circuit switching
Duplex modes
• Simplex
• Duplex
– Half duplex
– Full duplex
Connection
• Connectionless
• Connection-oriented
Encapsulation
• Encapsulation
• Decapsulation
• Multiplexing
• Demultiplexing
Standardization
• Internet Engineering Task Force (IETF)
• Internet Engineering Steering Group
(IESG)
• Internet Architecture Board (IAB)
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