Data Communication

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Data Communication by Mind Map: Data Communication

1. tcp

2. Chapter-2 Applications and Layered Architectures

2.1. OSI reference model

2.2. Tcp/ip

2.3. Protocols in TCP/IP

3. Chapter-1 Communication networks and services

3.1. Message Switching

3.2. Circuit Switching

3.3. Packet Switching

4. Chapter-3 Digital Transmission and Communications

4.1. Signals: 1. digital signals 2. analog signals

4.2. Transmission Impairment; 1: Attenuation, 2: distortion, 3: dispersion, 4: noise

4.3. Channel capacity: Speed of Transmission depends on bandidth ,error rate,encoding.

4.4. Digital Transmission: Line coding block coding.

4.5. Analog Transmission

4.5.1. Digital to analog: Amplitude Shift keying. Freuency shift keying .Phase shift keying.

4.5.2. Analog to analog: Amplitude Modulation, Frequency modulation, phase modulation.

5. Chapter 4 Circuit Switching Networks

5.1. Multiplexing

5.2. Time Division Multiplexing

5.3. Wavelength-Division Multiplexing

5.4. SONET Multiplexing

5.5. SONET

5.6. SONET Frame Structure

6. Chapter-5 Peer-to-Peer Protocols and Data Link Layer

7. Chapter-6 Medium Access Control Protocols and Local Area Networks

7.1. random access protocol ALOHA

7.2. Slotted ALOHA

7.3. Carrier sense multiple access

7.4. Scheduling Approaches to Medium Access Control

8. Chapter 5- Data link layer

8.1. Error Detection and correction:

8.2. Flow Control

8.3. Error control: 1. Stop and wait ARQ 2.Go-back-N ARQ 3.selective Repeat ARQ.