1.0LACNIC Bloghttps://blog.lacnic.net/en/rich600338<blockquote class="wp-embedded-content" data-secret="Q6Dc8brfDw"><a href="https://blog.lacnic.net/en/ipv6-internet/">From IPv5 to IPv6: A Leap That Changed the Internet</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://blog.lacnic.net/en/ipv6-internet/embed/#?secret=Q6Dc8brfDw" width="600" height="338" title="“From IPv5 to IPv6: A Leap That Changed the Internet” — LACNIC Blog" data-secret="Q6Dc8brfDw" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript"> /* <![CDATA[ */ /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); //# sourceURL=https://blog.lacnic.net/wp-includes/js/wp-embed.min.js /* ]]> */ </script> https://blog.lacnic.net/wp-content/uploads/2025/11/ipv5-existio.png680330By César Diáz, Head of Telecommunications Affairs at LACNIC Back in the month of July, I had the privilege of participating in IETF 123 in Madrid. Internet Engineering Task Force meetings are where many of the protocols that underpin the Internet we use daily have been developed throughout history. As for any engineer, being in […]