It is a piece of data from Layer 3 (Network Layer) of the OSI model, containing information such as an IP header and payload.
Packet
is used at Layer 2 (Data Link) of the OSI model, which, encapsulates the packet and adds additional information such as MAC addresses.
Frame
This field sets an expiry timer for the packet to not clog up your network if it never manages to reach a host or escape!
Time to Live
This field provides integrity checking for protocols such as TCP/IP. If any data is changed, this value will be different from what was expected and therefore corrupt.
Checksum
The IP address of the device that the packet is being sent from so that data knows where to return to.
Source Address
The device’s IP address the packet is being sent to so that data knows where to travel next.
Destination Address
What is the name for a piece of data when it does have IP addressing information?
Packet
What is the name for a piece of data when it does not have IP addressing information?
Frame