Introduction Lecture 1.

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Presentation 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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