Sorry, I never surveyed the set of inconsiderate DCHP servers. Thanks, Tom
> On Aug 24, 2018, at 2:04 PM, Ted Lemon <mel...@fugue.com> wrote: > > Can you give us an example? > >> On Fri, Aug 24, 2018 at 1:56 PM Tom Pusateri <pusat...@bangj.com> wrote: >> Sure. It’s not the thoughtful, well-behaved implementations that we worry >> about. It’s the ones that aren’t. This is a protection mechanism. (Belt AND >> suspenders..) >> >> Thanks, >> Tom >> >> >>> On Aug 24, 2018, at 1:36 PM, Ted Lemon <mel...@fugue.com> wrote: >>> >>> The DHCP case isn't actually a problem today. DHCP servers automatically >>> remove these records. The ISC server has been doing this for 20 years, >>> and I'm pretty sure all the other servers that compete with it do too. >>> >>> On Fri, Aug 24, 2018 at 12:50 PM, Tom Pusateri <pusat...@bangj.com> wrote: >>>> >>>> >>>>> On Aug 24, 2018, at 9:54 AM, Ted Lemon <mel...@fugue.com> wrote: >>>>> >>>>>> On Aug 24, 2018, at 9:52 AM, Tom Pusateri <pusat...@bangj.com> wrote: >>>>>> Yes, it was intended to be more general than for service registration.. >>>>>> It’s directly applicable to name registration for IP addresses. I can >>>>>> add a section on other uses if more motivation is desired. Mark Andrews >>>>>> had some uses as well that hopefully, he can share. If others have uses >>>>>> in mind that this solves I would love to hear about them. >>>>> >>>>> The reason I'm asking is not that I don't think there are theoretical use >>>>> cases for what you are proposing. I'm asking if there are actual use >>>>> cases. How would this be used in practice? What can't someone do >>>>> right now that they need to do and that this new technology enables? >>>> >>>> Specifically, there are two applications mentioned in the draft. >>>> >>>> 1. When a DNS server receives a dynamic DNS Update from a client >>>> registering its name after having received an IP address from an DHCP >>>> lease, the length of the DHCP lease can be tied to the length that the DNS >>>> address/PTR records stay in the authoritative server. >>>> >>>> 2. When an RFC 6763 DNS-SD service is registered (including PTR, SRV, & >>>> TXT records), these records can timeout according to the lease lifetime >>>> contained in the update lease EDNS(0) option. >>>> >>>> These are not theoretical. They solve practical problems that exist today. >>>> I think there are others associated with existing problems for sleeping >>>> devices and IoT devices that I need to research to more clearly answer >>>> your specific question but I think these two already fulfill that >>>> requirement. >>>> >>>> Tom >>>> >>>> >>> >>> _______________________________________________ >>> DNSOP mailing list >>> DNSOP@ietf.org >>> https://www.ietf.org/mailman/listinfo/dnsop >> > _______________________________________________ > DNSOP mailing list > DNSOP@ietf.org > https://www.ietf.org/mailman/listinfo/dnsop
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