Network Know How Better Living through Chemistry.

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Presentation transcript:

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 Them input/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

NOTE Error Checking Handshaking and Overhead Ethernet Legacy Systems & Other Alternative Wiring Methods Wi-Fi Powerline Networks

Notes DTE and DCE Equipment LAN and Point-to-Point Networks

Notes Ad 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