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## What about IPv5?
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2023-08-02 16:29:56 +12:00
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Some people ask why IPv4 went to version 6, leaping the next number. And it was nothing related to programmer's supertition
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where odd numbers should be beta releases.
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Actually, version 5 was assigned for something called Internet Stream Protocol Version 2 {{RFC1819}} which never made it.
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While we're here, versions 0 through3 were assigned during the evolution from ARPANET to TCP/IP, and version 7 was
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used during the great debates that led to IPv6.
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### [<ins>Previous</ins>](First%20Section.md) [<ins>Next</ins>](Markdown%20Usage.md) [<ins>Chapter Contents</ins>](99.%20Chapter%20Template.md)
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