21-05-2012, 12:40 PM
Layer Models and Signals
[attachment=22546]
Introduction
Introduction & Need
Local and Remote Communication
The term telecommunication means communication at a distance.
The word data refers to information presented in whatever form is agreed upon by the parties creating and using the data.
Data communications are the exchange of data between two devices via some form of transmission medium such as a wire cable.
Delivery, Accuracy, Timelines, Jitter
NETWORKS
A network is a set of devices (often referred to as nodes) connected by communication links.
A node can be a computer, printer, or any other device capable of sending and/or receiving data generated by other nodes on the network.
Distributed Processing
Network Criteria
Performance: Transmit time, Response time, throughput, delay
Reliability
Security
THE INTERNET
The Internet has revolutionized many aspects of our daily lives. It has affected the way we do business as well as the way we spend our leisure time. The Internet is a communication system that has brought a wealth of information to our fingertips and organized it for our use.
[attachment=22546]
Introduction
Introduction & Need
Local and Remote Communication
The term telecommunication means communication at a distance.
The word data refers to information presented in whatever form is agreed upon by the parties creating and using the data.
Data communications are the exchange of data between two devices via some form of transmission medium such as a wire cable.
Delivery, Accuracy, Timelines, Jitter
NETWORKS
A network is a set of devices (often referred to as nodes) connected by communication links.
A node can be a computer, printer, or any other device capable of sending and/or receiving data generated by other nodes on the network.
Distributed Processing
Network Criteria
Performance: Transmit time, Response time, throughput, delay
Reliability
Security
THE INTERNET
The Internet has revolutionized many aspects of our daily lives. It has affected the way we do business as well as the way we spend our leisure time. The Internet is a communication system that has brought a wealth of information to our fingertips and organized it for our use.