What is difference between ipv4 & ipv6 ?

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DT

  • Sep 20th, 2011
 

IPv4 means Internet Protocol version 4, whereas IPv6 means Internet Protocol version 6.

IPv4 is 32 bits IP address that we use commonly, it can be 192.168.8.1, 10.3.4.5 or other 32 bits IP addresses. IPv4 can support up to 232 addresses, however the 32 bits IPv4 addresses are finishing to be used in near future, so IPv6 is developed as a replacement.

IPv6 is 128 bits, can support up to 2128 addresses to fulfill future needs with better security and network related features. Here are some examples of IPv6 address:
1050:0:0:0:5:600:300c:326b
ff06::c3
0:0:0:0:0:0:192.1.56.10

The most important difference is that it has a larger address space. IPv6 uses 128 bits, instead of the 32 bits used in an IPv4 address.

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Asif Ali

  • Oct 12th, 2011
 

Ans :-There is major difference between IP V.4 and IP V.6 such as –
1.In IP V.4 is a 32 bits IP Address but IP v.6 128 bits IP Address.
2.IP v.4 is a Decimal Format, but IP V.6 is Hexa-Decimal Number.
3.IP V.4 has 4 Octets, but IP V.6 has 16 Octets.
4.IP V.4 is supported by Operating System, but IP V.6 is supported by only some Operating System.
5.In IP V.4 only limited number of IP Address are available, but in IP V.6 a number of IP Addresses are available.

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siddik

  • Jan 29th, 2014
 

in ip v4 we can use 16 million ip address only were as in v6 we can use much more because every day population is going to increase,and many people those how are using internet day by day is increase...for that reason we need use ip v6

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