Difference between IPv4 and IPv6 is One of Important topics for GATE CS/IT.
|Address Space is 32 bit||Address Space is of 128 bit|
|The Length of header is 20-60 Byte||The length of Header is 40 Byte|
|The Number of header field is 12||The Number of header field is 8|
|Checksum is used to measure error in header Required.||Checksum field eliminited from header as error in the IP header are of very crucial|
|Internet Protocol Security wrt Network Security is Optional||Internet Protocol Security wrt Network Security is Mondatory|
|Does not identify packet flow for QoS handling||Contains Flow Label field that specifies packet flow for QoS handling|
|Fragmentation is done by both sending host and Router||Fragmentation is done by Sender only|
|Clients have to approach DHCP whenver connect to a Network||Client do not have to approach any such server as they given permanent address|
|Connectionless||Generally Connectionless but it can be made connection Oriented using flow label|
|Broadcast – YES||Broadcast – NO|
|MULTICAST – YES||MULTICAST – YES|
Check Also : Basics of Wi-fi
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