How is data transferred over the network?

How is data transferred over the network?

break down the data into smaller units called packets
the packets are sent from the source to desination

✅ Packetization

Packets:

• small segment of big original data
• metadata(header) ➕ portion of original data

✅ Routing

• route packet through the network
• router, switches

✅ Transmission Medium

• wires, cables
• Protocols: TCP/IP

💡 Protocol https://soheeparklee.github.io/posts/n-3protocol/

✅ Reassembly

• upon reaching destination, packets are reassembled in correct order
• in TCP, missing packets are retrasmitted

✅ Error Checking

• data integrity
• checksum