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The IP header structure is as follows:
4 | 8 | 16 | 32 bits | ||||
Ver. | IHL | Type of service | Total length | ||||
Identification | Flags | Fragment offset | |||||
Time to live | Protocol | Header checksum | |||||
Source address | |||||||
Destination address | |||||||
Option + Padding | |||||||
Data | |||||||
IP header structure |
The IPv6 header structure is as follows:
4 | 4 | 16 | 24 | 32 bits |
Ver. | Priority | Flow label | ||
Payload length | Next header | Hop limit | ||
Source address(128 Bits) | ||||
Destination address(128 bits) | ||||
IPv6 header structure |
The TCP header structure is as follows:
16 | 32 bits | |||||||
Source port | Destination port | |||||||
Sequence number | ||||||||
Acknowledgement number | ||||||||
Offset | Resrvd | U | A | P | R | S | F | Window |
Checksum | Urgent pointer | |||||||
Option + Padding | ||||||||
Data | ||||||||
TCP header structure |
The UDP header structure is shown as follows:
16 | 32 bits |
Source port | Destination port |
Length | Checksum |
Data | |
UDP header structure |
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