Network Management, 2
nd
Edition
CHAPTER 1
–
DATA COMMUNICATION AND NETWORK MANAGEMENT OVERVIEW
CLO 1-UNDERSTAND THE KEY CONCEPTS OF NETWORK DESIGN AND
MANAGEMENT
1.2 Data (computer) and Telecommunication Network
Network management is more than just managing networks.
Network management encompasses service management, operations support systems, and business management.
Network management system will be discussed based on client
–
server architecture.
1.2 What is Network Communication?
It deals with:1.Theory and application of electrical engineering,2.computer engineering, and 3.computer science to all types of communication over networks.
1.2 A basic network -Nodes and links
1.2Network Nodes
A node can drop and add information channels and at the same time switch information transparently between two links.
Each end node has a connection to a user interface if the information srcinates or terminates there.
This interface could use any type of equipment
—
audio, video, or Data Terminating Equipment (DTE).
A DTE is any equipment that generates or accepts digital data.
Data can be transmitted either in an analog or digital format.
Long-distance data transmission today is mostly digital due to its superior price and performance.