Yr8 Networks Homework L5 Packets

Radio signals.

Satellite transmission.

Fibre optic cables under the sea.

Ship.

The data goes directly from a server to your computer

The data takes different paths depending on traffic conditions

The data takes a route chosen by Google

The data follows a route provided by your ISP (Internet Service Provider)

They are broken up into small parts called packets.

They are turned into images which are sent as light.

They are sent using small vehicles that drive across the Internet.

They are turned into letters, each letter is sent separately.

The packets choose the fastest route.

Special computers called "routers" ask the packets which way they want to go.

Special computers called "routers" act like traffic managers to keep the traffic moving

From IP address

To IP address

How many packets total

Number of this packet

Yes

No

Faults do not occur on the Internet.

It can keep working, sending packets, even when some parts get damaged or stop working.

It creates alerts when a part is damaged so that it can be fixed quickly.

It often has faults because it has some design weaknesses.

It plays your music and skips forwards if there are missing packets.

It checks the packets and creates packets that are missing.

It checks the packets and asks for any missing packets to be resent.

It finds the best route to send the packets across the Internet.