Network Key Words

TOPOLOGY

BUS

• Nodes connected in a daisy chain.
• In linear sequence of buses.
• Advantages: easy to connect, good for small networks.
• Disadvantages: Slow, network shuts down if main cable breaks

RING

• Node connects to exactly two other nodes.
• Continuous pathway in ring format.
• Advantages: performs better than Bus Network
• Disadvantages: malfunction creates problem for whole network

MESH

• Each node relays data for the network.
• All nodes cooperate in the distribution of data.
• Advantage: Secure, Problems effect only the two nodes.
• Disadvantage: Expensive.

CLIENT SERVER NETWORKS

LAN

• Local Area Network.
• Small geographic area.
• Ethernet and Wi-Fi are used to build LANs.

WAN

• Wide Area Network.
• Large Geographic Area.
• Used by: Businesses, Governments, Organizations.

P2P

• Peer to Peer
• Data sent without going through a separate server.
• Permanent infrastructure that links Devices

PROXY/VPN

PROXY

• A gateway or sometimes a tunneling proxy.
• Internet-facing proxy used to retrieve from sources.
• Front-end to protect access to a server on a private network.
• Tasks: load-balancing, authentication, decryption or caching.

VPN

OTHERS

CLIENT

SERVER

ROUTER

PACKET

FIREWALL

SWITCH

HUB

URL

• Uniform Resource Locator
• Web Address 
• Generally uses "http" or "https".

BROWSER

IP

BANDWITH