However , on April 1 , 1994 , the IETF published an April Fools ' Day joke about IPv9 .
Other protocol proposals named IPv9 and IPv8 briefly surfaced , but had no affiliation with any international standards body , and have had no support .
On April 1 , 1994 , the IETF published an April Fools ' Day joke about IPv9 .
Other protocol proposals named IPv9 and IPv8 briefly surfaced , but had no affiliation with any international standards body , and have had no support .