Switch vs Hub

SWITCH:

• Switch is a device that is used to distribute the data to the hosts with in the network.
• Switch is also used to send packets with in the network.
• Switch uses MAC address to transfer the data.
• Stores the MAC addresses of all the hosts with in the network.

Switch Working:

• Switch Receives the packet data from the sender,
• Checks the MAC address of the receiver in the table and sends it to that host.

HUB:

• HUB is also a device used to distribute the data to the hosts with in the network.
• HUB is also used to send packets of information.
• HUB doesn't uses any address reference to send data.

Hub Working:

• Hub receives the packet data from the sender,
• Sends the packet to each and every host with in the network,
• Which ever host mac address matches, accepts the packet, remaining rejects.

Some More Comparisons:

Switch	Hub
Full Duplex Network	Half Duplex Network
Secured Transmission	Not Secured
Usage of bandwidth less	High band width usage
Time Consuming is Less	Takes some extra time