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Differences between IPV4 and IPV6

written 3.5 years ago by teamques10 ★ 68k

modified 3.0 years ago by binitamayekar ★ 6.6k

computer networks

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written 3.5 years ago by teamques10 ★ 68k

Difference between IPv4 and IPv6 

S.No.	IPv4	IPv6
1	IPv4 addresses are 32 bit length.	IPv6 addresses are 128 bit length.
2	IPv4 addresses are binary numbers represented in decimals.	IPv6 addresses are binary numbers represented in hexadecimals.
3	IPSec support is only optional.	Inbuilt IPSec support.
4	Checksum field is available in IPv4 header	No checksum field in IPv6 header.
5	Options fields are available in IPv4 header.	No option fields, but IPv6 Extension headers are available.
6	IPv4 address uses a subnet mask.	IPv6 uses a prefix length.
7	IPv4 is subdivided into classes (A to E)	IPv6 is classless.
IPv6 uses a prefix and an Identifier ID known as IPv4 network
8	IPv4 header has 20 bytes.	IPv6 header is the double, it has 40 bytes.
9	Broadcast messages are available.	Broadcast messages are not available.
10	Packet size - 576 bytes required, and fragmentation is optional	Packet size - 1280 bytes required without fragmentation

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