Addressing Packets And Protocols

Protocols

A protocol is the language used by computers while talking with each other. In its simplest form, a protocol is the rules used in talking and communication between computers.
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MAC Address

The MAC address (Media Access Control) is a hexadecimal number that is

unique to a particular computer.

Example: B0-D0-86-BB-F7

There can be 281,474,976,710,656 possible MAC addresses!

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Network Packet

In computer networks, a packet is a container or box that carries data over a network. A packet is the most fundamental logical arbitration of data that is passed over a network.

Packet headers contain destination MAC address.

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