Re: [DNSOP] Questions on DNS HTTPS/SVCB spec and deployment

2023-07-24 Thread Ben Schwartz
Hi Hongying, 1. I don't think that synchronization between the A/ and ipv4hint/ipv6hint is very important. As long as all the listed addresses are valid and reasonably appropriate, everything will work fine; there's no need for them to be the same. However, the draft does imagine that

Re: [DNSOP] Compact DoE sentinel choice

2023-07-24 Thread Brian Dickson
On Mon, Jul 24, 2023 at 1:55 PM Viktor Dukhovni wrote: > In today's session we had some discussion of the choice of sentinel > RTYPEs for ENTs vs. NXDOMAIN. > > There isn't much in the meeting to cover the fine details of various > alternatives, so I hope a followup message will make my comments

Re: [DNSOP] Questions on DNS HTTPS/SVCB spec and deployment

2023-07-24 Thread Eric Orth
On Mon, Jul 24, 2023 at 1:14 PM Hongying Dong wrote: > Hello,We are researchers at the University of Virginia studying some > aspects of the DNS HTTPS/SVCB specification and how it is deployed in > practice. We had a few questions we are hoping you can provide the answers > to. Primarily we are e

[DNSOP] Compact DoE sentinel choice

2023-07-24 Thread Viktor Dukhovni
In today's session we had some discussion of the choice of sentinel RTYPEs for ENTs vs. NXDOMAIN. There isn't much in the meeting to cover the fine details of various alternatives, so I hope a followup message will make my comments more clear. 1. I am all in favour of distinguishing NXDOMAIN fro

Re: [DNSOP] A question on values in draft-dnsop-caching-resolution-failures

2023-07-24 Thread Evan Hunt
On Mon, Jul 24, 2023 at 06:26:46PM +, Wessels, Duane wrote: > It was not our intention that “2” would be the only possible exponent in > the backoff algorithm. Would this slightly revised text be more > agreeable? > >Resolvers SHOULD employ an exponential or linear backoff algorithm to >

Re: [DNSOP] A question on values in draft-dnsop-caching-resolution-failures

2023-07-24 Thread Wessels, Duane
Evan, > On Jul 24, 2023, at 10:34 AM, Evan Hunt wrote: > > The original text says a series of seven resolution failures would increase > the duration before a retry to five minutes: 5 seconds to 10 to 20 to 40 to > 80 to 160 to 300. Lowering the starting value to one second means it would > take

Re: [DNSOP] A question on values in draft-dnsop-caching-resolution-failures

2023-07-24 Thread Evan Hunt
On Mon, Jul 24, 2023 at 10:00:37AM +0530, Mukund Sivaraman wrote: > When seeing prescriptive text, implementors often wants to know the > rationale behind it. If the value of 5 is changed to 1, please mention > and have the authors include in the document why the lower limit is > 1s. Is it an arbit

[DNSOP] Questions on DNS HTTPS/SVCB spec and deployment

2023-07-24 Thread Hongying Dong
Hello,We are researchers at the University of Virginia studying some aspects of the DNS HTTPS/SVCB specification and how it is deployed in practice. We had a few questions we are hoping you can provide the answers to. Primarily we are examining HTTPS right now, but if the answers can be generally p