== Introduction ==
'''IPV6''' is '''I'''nternet '''P'''rotocol '''V'''ersion '''6'''. [[Internet_Protocol|Internet Protocol]] is a system that allows each computer to be identified on the internet. Each computer is issued a numeric (a number that identifies the computer, like your address identifies your house) address called an I.P ('''I'''nternet '''P'''rotocol) address. Under the prior version <ref name="IPV4">{{Cite web|url=https://tools.ietf.org/html/rfc791|title=IPV4}}</ref>, IPV4 (Internet Protocol, Version 4), all computers are the internet were assigned a set of decimal numbers. It would be 12 numbers in all, broken up into four sets of three numbers separated by a period ( for example 192.168.1.254). This worked well, however, IPV4 was limited to 4.3 billion addresses that it could hand out before there was no more to hand out. <p> With everyone now using the internet on their phones, their computers, their laptops, even their Television sets, there just wasn't enough numbers to go around. So, on July 14, 2017
<ref name="IPV6">{{Cite web|url=https://www.internetsociety.org/blog/2017/07/rfc-8200-ipv6-has-been-standardized/|title=IPV6}}</ref> was introduced to the web!
== How it works ==
Internet Protocol Version 4 used four set of three decimal numbers separated by a period (for example: 192.168.1.254). Internet Protocol Version 6 uses 8 sets of [[Hexadecimal_numeral_system | hexadecimal numbers ]] separated by colons. ''"Hexi"'' means 16, and as a matter of fact, the hexadecimal number system counts up to 16. In the [[Decimal]] system, we could be able to count to 16 by counting 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15. In the hexadecimal system , we would start off normally, 0,1,2,3,4,5,6,7,8,9, '''however''' once we pass "9" we could use A,B,C,D,E,F for 10,11,12,13,14,15. For an example of this, please see the table below:<p>
{|
|valign=top|
{| class=wikitable
!Decimal!!Hex
|-
|align=right|0||align=right|0
|-
|align=right|1||align=right|1
|-
|align=right|2||align=right|2
|-
|align=right|3||align=right|3
|-
|align=right|4||align=right|4
|-
|align=right|5||align=right|5
|-
|align=right|6||align=right|6
|-
|align=right|7||align=right|7
|-
|align=right|8||align=right|8
|-
|align=right|9||align=right|9
|-
|align=right|10||align=right|A
|-
|align=right|11||align=right|B
|-
|align=right|12||align=right|C
|-
|align=right|13||align=right|D
|-
|align=right|14||align=right|E
|-
|align=right|15||align=right|F
|-
|}
|}
<p> To get your I.P address, it starts out as set of 8 binary numbers. The binary number system uses only "0" and "1" and reads from right to left.
It counts from 0 to 7, and it's written like this: <p>
'''0 0 0 0 0 0 0 0 ''' <p>
Each position from right to left is a power of 2 (that's 2 times 2 as many times as the power says, for example 2 to the third power is the same as 2 X 2 X 2, which
equals 8. So, when decimals are read it's read as two to the power of: <p>
'''0 0 0 0 0 0 0 0 '''<br>
'''7 6 5 4 3 2 1 0 '''<br> <p>
So, IPV6 starts out with a string of binary numbers like this: <p>
0010000000000001 0000000000000000 0011001000111000 1101111111100001 0000000001100011
0000000000000000 0000000000000000 1111111011111011<br>
IPV6 cuts the 8 digit binary number in half and creates two sets of binary numbers in groups of four, like this:<p>
0010 0000 0000 0001 0000 0000 0000 0000 0011 0010 0011 1000 1101 1111 1110 0001 0000 0000 0110 0011
0000 0000 0000 0000 0000 0000 0000 0000 1111 1110 1111 1011<p>
The numbers are read the same, still right to left, however, they count from 3 to 0 , right to left. The numbers are then converted from binary to hexadecimal.
See the table below for a conversion from decimal to binary to hex: <p>
{|
|valign=top|
{| class=wikitable
!Decimal!!Binary!!Hex
|-
|align=right|0||align=right|0000||align=right|0
|-
|align=right|1||align=right|0001||align=right|1
|-
|align=right|2||align=right|0010||align=right|2
|-
|align=right|3||align=right|0011||align=right|3
|-
|align=right|4||align=right|0100||align=right|4
|-
|align=right|5||align=right|0101||align=right|5
|-
|align=right|6||align=right|0110||align=right|6
|-
|align=right|7||align=right|0111||align=right|7
|-
|align=right|8||align=right|1000||align=right|8
|-
|align=right|9||align=right|1001||align=right|9
|-
|align=right|10||align=right|1010||align=right|A
|-
|align=right|11||align=right|1011||align=right|B
|-
|align=right|12||align=right|1100||align=right|C
|-
|align=right|13||align=right|1101||align=right|D
|-
|align=right|14||align=right|1110||align=right|E
|-
|align=right|15||align=right|1111||align=right|F
|-
|}
|}
So this: <br>
0010 0000 0000 0001 0000 0000 0000 0000 0011 0010 0011 1000 1101 1111 1110 0001 0000 0000 0110 0011
0000 0000 0000 0000 0000 0000 0000 0000 1111 1110 1111 1011 <br><br>
become this:<br>
2001:0000:3238:DFE1:0063:0000:0000:FEFB<br><br>
== Why it works ==
IPV4 was able to handle 4.3 billion internet addresses, however, with everyone's phones, tables, televisions and even household appliances connecting to the internet, it was pretty obvious that more internet addresses were needed. IPV4 couldn't handle the demand for so many more IP addresses, so IPV6 was developed. IPV6 can handle 340 [[Undecillion|undecillion]] addresses. To put that into numbers: <br><br>
IPV4: '''4,294,967,296 addresses possible ''' <br>
IPV6: '''340,282,366,920,938,463,463,374,607,431,768,211,456 addresses possible''' <br><br>
== How it's organized ==
IPV4 addresses were set up to show the server's IP address ( for example,
This site is not affiliated with or endorsed in any way by the Wikimedia Foundation or any of its affiliates. In fact, we fucking despise them.
|
