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IPv4 VS IPv6

Latest reply: Aug 12, 2021 14:27:28 466 72 32 0 0

Ipv4

Ipv6

Address length

IPv4 is a 32-bit address.

IPv6 is a 128-bit address.

Fields

IPv4 is a numeric address that consists of 4 fields which are separated by a dot (.).

IPv6 is an alphanumeric address that consists of 8 fields, which are separated by a colon.

Classes

IPv4   has 5 different classes of IP address that includes Class A, Class B, Class   C, Class D, and Class E.

IPv6 does not contain classes of IP addresses.

Number of IP address

IPv4   has a limited number of IP addresses.

IPv6 has a large number of IP addresses.

VLSM

It supports VLSM (Virtual Length Subnet Mask). Here, VLSM means that Ipv4   converts IP addresses into a subnet of different sizes.

It does not support VLSM.

Address configuration

It supports manual and DHCP configuration.

It supports manual, DHCP, auto-configuration, and renumbering.

Address space

It   generates 4 billion unique addresses

It generates 340 undecillion unique addresses.

End-to-end connection integrity

In   IPv4, end-to-end connection integrity is unachievable.

In the case of IPv6, end-to-end connection integrity is achievable.

Security features

In   IPv4, security depends on the application. This IP address is not developed in keeping the security feature in mind.

In IPv6, IPSEC is developed for security purposes.

Address representation

In   IPv4, the IP address is represented in decimal.

In IPv6, the representation of the IP address in hexadecimal.

Fragmentation

Fragmentation is done by the senders and the forwarding routers.

Fragmentation is done by the senders only.

Packet flow identification

It does not provide any mechanism for packet flow identification.

It uses a flow label field in the header for the packet flow identification.

Checksum field

The checksum field is available in IPv4.

The checksum field is not available in IPv6.

Transmission scheme

IPv4 is broadcasting.

On the other hand, IPv6 is multicasting, which provides efficient network operations.

Encryption and Authentication

It does not provide encryption and authentication.

It provides encryption and authentication.

Number of octets

It consists of 4 octets.

It consists of 8 fields, and each field contains 2 octets. Therefore, the total number of octets in IPv6 is 16.


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andersoncf1
MVE Author Created Jul 25, 2021 19:50:17

Well done! Thanks for sharing friend IPv4 VS IPv6-4050821-1IPv4 VS IPv6-4050821-2
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Kevin_Thomas
Kevin_Thomas Created Jul 26, 2021 05:05:50 (0) (0)
 
sachandio
MVE Created Jul 25, 2021 19:50:47

Great
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Kevin_Thomas
Kevin_Thomas Created Jul 26, 2021 05:05:58 (0) (0)
 
mouh1991
Created Jul 26, 2021 06:16:07

Useful
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Kevin_Thomas
Kevin_Thomas Created Jul 26, 2021 11:37:45 (0) (0)
 
IndianKid
Moderator Author Created Jul 26, 2021 06:18:51

Awesome Post, Thanks for sharing Kevin. good comparision
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Kevin_Thomas
Kevin_Thomas Created Jul 26, 2021 11:37:54 (0) (0)
 
Unicef
MVE Created Jul 26, 2021 08:35:42

GOOD
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Kevin_Thomas
Kevin_Thomas Created Jul 26, 2021 11:38:05 (0) (0)
 
Saqib123
Saqib123 Created Jul 26, 2021 16:14:19 (0) (0)
 
thisu
Created Jul 26, 2021 08:45:18

Good share
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Kevin_Thomas
Kevin_Thomas Created Jul 26, 2021 11:40:22 (0) (0)
 
Saqib123
Saqib123 Created Jul 26, 2021 16:14:11 (0) (0)
 
hemin88
Moderator Created Jul 26, 2021 09:53:07

Well done Thanks for sharing
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  • x
  • convention:

Kevin_Thomas
Kevin_Thomas Created Jul 26, 2021 11:40:28 (0) (0)
 
Vlada85
MVE Author Created Jul 26, 2021 16:10:02

Good and useful post!
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Kevin_Thomas
Kevin_Thomas Created Jul 27, 2021 04:43:37 (0) (0)
 
Saqib123
Created Jul 26, 2021 16:13:52

Nice
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  • x
  • convention:

Kevin_Thomas
Kevin_Thomas Created Jul 27, 2021 04:43:47 (0) (0)
 

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