network know how

Network Know How

Better Living through Chemistry

How a Network Will Improve Your Life

connect the computers and allow them to share

Metcalfe’s Law.

Every network has the following elements in common

Two or more objects, or nodes, that use the network to connect them

A set of communication channels that carry something—speech, TV shows, computer data—between or among nodes

elements in common:

A set of rules that controls network traffic

every network has a maximum carrying capacity

every node on a network has a name

Sneakernet

Data Networks and What You Can Do with

Theminput/output ports or I/O ports

File Sharing

The files and folders

Sharing an Internet Connection

A gateway router provides a connection between a local area network and the Internet

Share Share Share

Instant Messages

Sharing Printers and Other Hardware

Home Entertainment

Video Cameras and Home Security Devices

Home Automation

Types of Network Connections

Every computer connected to a network must follow a set of rules

ASCII is fine for text

Packets and Headers

A data packet

NOTEError Checking

Handshaking and Overhead

Ethernet

Legacy Systems & Other Alternative Wiring Methods

Wi-Fi

Powerline Networks

NotesDTE and DCE Equipment

LAN and Point-to-Point Networks

NotesAd Hoc Wi-Fi

Infrared

FireWire (IEEE 1394)

Connections Through a Telephone Line

Remote Terminals

Clients and Servers

Print Servers

Hubs, Switches, and Routers

Connect any pair of nodes

Token Ring

Star

Mesh

Hubs and Switches

Switches

LANs and WANs

Bridges and Routers