<html><head><style>body{font-family:Helvetica,Arial;font-size:13px}</style></head><body><div><blockquote type="cite" class="clean_bq" style="font-family:Helvetica,Arial;font-size:13px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"><span><div><div>as a developer I can say with some confidence, that a big hurdle is to<span class="Apple-converted-space"> </span><br>use hostname instead of IPs, it's way simpler to use IP during<span class="Apple-converted-space"> </span><br>development than to use hostname where you have to configure DNS<span class="Apple-converted-space"> </span><br>record to do so.<span class="Apple-converted-space"> </span></div></div></span></blockquote></div><p>What happened to /etc/hosts files?</p><div><blockquote type="cite" class="clean_bq" style="font-family:Helvetica,Arial;font-size:13px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"><span><div><div><br><br>And this has the underlying problem in large development setups where<span class="Apple-converted-space"> </span><br>the single developer or the single developer group can not (due to<span class="Apple-converted-space"> </span><br>internal rules) simply change / configure DNS records.<span class="Apple-converted-space"> </span><br><br>Re, Uros<span class="Apple-converted-space"> </span><br><br>On Thu, May 14, 2020 at 2:37 PM Wilhelm Boeddinghaus<span class="Apple-converted-space"> </span><br><<a href="mailto:wilhelm@boeddinghaus.de">wilhelm@boeddinghaus.de</a>> wrote:<span class="Apple-converted-space"> </span><br>><span class="Apple-converted-space"> </span><br>> Hi folks,<span class="Apple-converted-space"> </span><br>><span class="Apple-converted-space"> </span><br>> my DSL line broke, and it is still offline :-(<span class="Apple-converted-space"> </span><br>><span class="Apple-converted-space"> </span><br>> Thanks for listening and asking quesions.<span class="Apple-converted-space"> </span><br>><span class="Apple-converted-space"> </span><br>> I try to answer the questions below.<span class="Apple-converted-space"> </span><br>><span class="Apple-converted-space"> </span><br>> App Developers try to avoid IPv6, I know. We cannot force them to use IPv6. But we have to force them to use libraries that work with IPv6 and IPv4, not some old stuff useing IPv4 only. Then there is golden rule: no IP addresses in code or config files, use names<span class="Apple-converted-space"> </span><br>><span class="Apple-converted-space"> </span><br>> I they at least stay to this, there is hope. You can then enable IPv6 later without recoding the app.<span class="Apple-converted-space"> </span><br>><span class="Apple-converted-space"> </span><br>><span class="Apple-converted-space"> </span><br>> SLAAC and DHCPv6<span class="Apple-converted-space"> </span><br>><span class="Apple-converted-space"> </span><br>> SLAAC (the RA) triggers DHCP, we need both. DHCPv6 is the excuse to stay in the old IPv4 network design. Large L2 networks (broadcast and failure domain) with VRRP (HSRP) and Dualstack. I would rather try to get rid of DHCPv6.<span class="Apple-converted-space"> </span><br>><span class="Apple-converted-space"> </span><br>> I think we will have no DHCPv6 on Android (you refer that, don`t you) in the near future, so we have to use SLAAC to get IPv6 addresses to those devices. And don't forget, there is no default route in DHCPv6.<span class="Apple-converted-space"> </span><br>><span class="Apple-converted-space"> </span><br>> Best,<span class="Apple-converted-space"> </span><br>><span class="Apple-converted-space"> </span><br>> Wilhelm<span class="Apple-converted-space"> </span><br>><span class="Apple-converted-space"> </span><br>> Am 14.05.2020 um 13:58 schrieb Jetten Raymond:<span class="Apple-converted-space"> </span><br>><span class="Apple-converted-space"> </span><br>> Hello All,<span class="Apple-converted-space"> </span><br>><span class="Apple-converted-space"> </span><br>><span class="Apple-converted-space"> </span><br>><span class="Apple-converted-space"> </span><br>> Thank you all for watching the IPv6 WG virtually,<span class="Apple-converted-space"> </span><br>><span class="Apple-converted-space"> </span><br>><span class="Apple-converted-space"> </span><br>><span class="Apple-converted-space"> </span><br>> at the latest minutes of Wilhelms presentation Q&A his dsl connection unfortunately went down,<span class="Apple-converted-space"> </span><br>><span class="Apple-converted-space"> </span><br>><span class="Apple-converted-space"> </span><br>><span class="Apple-converted-space"> </span><br>> there were still some questions in the buffer, could you Wilhelm comment yet on these ?<span class="Apple-converted-space"> </span><br>><span class="Apple-converted-space"> </span><br>><span class="Apple-converted-space"> </span><br>><span class="Apple-converted-space"> </span><br>><span class="Apple-converted-space"> </span><br>><span class="Apple-converted-space"> </span><br>><span class="Apple-converted-space"> </span><br>><span class="Apple-converted-space"> </span><br>> Any tips to get app developers on board to develop IPv6 enabled apps? It’s not uncommon for companies to exclude IPv6 from minimum viable product as its “too hard”<span class="Apple-converted-space"> </span><br>><span class="Apple-converted-space"> </span><br>><span class="Apple-converted-space"> </span><br>><span class="Apple-converted-space"> </span><br>><span class="Apple-converted-space"> </span><br>><span class="Apple-converted-space"> </span><br>><span class="Apple-converted-space"> </span><br>><span class="Apple-converted-space"> </span><br>><span class="Apple-converted-space"> </span><br>><span class="Apple-converted-space"> </span><br>><span class="Apple-converted-space"> </span><br>><span class="Apple-converted-space"> </span><br>> Could disabling SLAAC and better DHCPv6 support (eg in mobile devices) help the deployment? It would help with some migrations from IPv4 to IPv6 I think. (Mark Scholten / asking for myself)<span class="Apple-converted-space"> </span><br>><span class="Apple-converted-space"> </span><br>><span class="Apple-converted-space"> </span><br>><span class="Apple-converted-space"> </span><br>><span class="Apple-converted-space"> </span><br>><span class="Apple-converted-space"> </span><br>> Rgds,<span class="Apple-converted-space"> </span><br>><span class="Apple-converted-space"> </span><br>><span class="Apple-converted-space"> </span><br>><span class="Apple-converted-space"> </span><br>> Ray<span class="Apple-converted-space"> </span><br>><span class="Apple-converted-space"> </span><br>><span class="Apple-converted-space"> </span><br>><span class="Apple-converted-space"> </span><br>><span class="Apple-converted-space"> </span><br>> For Internal Use Only<span class="Apple-converted-space"> </span><br><br></div></div></span></blockquote></div></body></html>