In-line … Saludos, Jordi
@jordipalet > El 10 abr 2026, a las 19:10, Michael Richardson <[email protected]> > escribió: > > > DNS64 should be advanced to IS, but it can include (IESG or author) notes > that *hosts* should aim to move to PREF64/etc. as written extensively in > RFC8683. Yes, this is what I suggested earlier. Also to use self-synthesis as much as possible. > > It's very useful for networks to be able to deploy DNS64 for hosts that are > either older (or are dual-stack capable from 2003, but operating IPv6-only), > or which want to have *no* IPv4, or whose local infrastructure becomes > v6-only. > (They really only need a CLAT if they have v4-literals. I've run lots of > v6-only hosts for ~15 years, long before CLAT) > They do DNS requests to a local recursive nameserver (whether Do53 or > DoX), on which DNSSEC and AAAA-synthesis occurs. > I also mention some advantages in terms of connection optimization using DNS64 vs not. > There are *many* reasons to have such older hosts, and to *not* do major > upgrades. > For instance, because they support applications deployed to systems that are > not, or never replaced: embedded systems for buildings, aircraft, ... > Remember, "host" can be a VM, or a even just a container. > > {Many decades ago, when a WGA at BNR, I found a "devops" guy with what was > already a super ancient HP9000 series 300 workstation on/under his desk. > Because that was the build system for one generation of DMS-10. His > email/cocos wouldn't work anymore. He got an NCD X-terminal that afternoon, > and this critical build system got moved to the data center room. We > considered if we should/could do that without cutting the power to it, as it > also hadn't rebooted in ~6 months. It was fine} > > So while DNS64 should be deprecated for hosts going forward, it needs to be > available as network infrastructure (in a trade-agreement compatible RFP'able > way) for some time. > > -- > Michael Richardson <[email protected]> . o O ( IPv6 IøT consulting ) > Sandelman Software Works Inc, Ottawa and Worldwide > > ** My working hours and your working hours may be different. ** > ** Please do not feel obligated to reply outside your normal working hours ** > > > > > _______________________________________________ > v6ops mailing list -- [email protected] > To unsubscribe send an email to [email protected] ********************************************** IPv4 is over Are you ready for the new Internet ? http://www.theipv6company.com The IPv6 Company This electronic message contains information which may be privileged or confidential. The information is intended to be for the exclusive use of the individual(s) named above and further non-explicilty authorized disclosure, copying, distribution or use of the contents of this information, even if partially, including attached files, is strictly prohibited and will be considered a criminal offense. If you are not the intended recipient be aware that any disclosure, copying, distribution or use of the contents of this information, even if partially, including attached files, is strictly prohibited, will be considered a criminal offense, so you must reply to the original sender to inform about this communication and delete it.
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