Glossary of Terms

Packets

Keyword Definition
Checksum A value used to verify the integrity of data during transmission.
Destination Address Specifies the IP address of the intended recipient of the packet.
Flags Used to control or identify fragments of the packet.
Fragment Offset Indicates the position of the fragment in the original packet.
Fragmentation The process of breaking down a large packet into smaller ones to fit the maximum transmission unit of a network.
Header A section of data that precedes the actual payload and contains control information.
Header Checksum Used for error-checking the header to ensure data integrity.
Header Length Specifies the length of the header in 32-bit words.
Identification A unique value used to identify the packet, primarily for reassembly purposes.
Packet A formatted unit of data carried by a packet-switched network.
Payload The actual data being transported by a packet, excluding header and trailer information.
Protocol A set of rules that governs the format of data sent over a network.
Routing The process of selecting paths in a network along which to send network traffic.
Source Address Specifies the IP address of the sender of the packet.
TTL (Time To Live) A field that determines the lifetime of data in a network, preventing it from circulating indefinitely.
Time To Live Specifies the maximum time the packet is allowed to remain in the network.
Total Length Indicates the entire packet size, including both header and data, in bytes.
Type Of Service Provides an indication of the abstract parameters of the quality of service desired.
Version Indicates the version of the Internet Protocol being used.