Computer Science : S2 : L1 : Data Packet

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Last updated 4:34 AM on 2/6/24
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6 Terms

1
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Data Packet

A smaller unit into which data is broken up when sent over a long distance.

2
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Advantages of Data Packets

Easier to control and each packet can take its own route.

3
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Disadvantages of Data Packets

Require careful construction and additional information for correct reassembly, and they can get lost.

4
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Packet Structure

Includes Packet Header (destination IP address, sender's IP address, packet number), Payload (actual content to be transmitted), Trailer (marks the end of a packet), and Error checking method.

5
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Router

A node in the transmission process that receives a data packet and decides where to send it next based on the information from the header.

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Packet Switching

A five-stage process involving breaking down data transmission into packets, assigning numbers to each packet, allowing packets to take their own destination based on congestion, routers controlling the route of each packet, and reordering packets correctly at the final IP address.