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

2023-07-26 Thread Tim Wicinski
Duane/Evan/Mukund/All, What do feel is the consensus on lowering the value to 1 second ? >From the previous suggested text: Resolvers MUST cache resolution failures for at least 1 second. The initial duration SHOULD be configurable by the operator. A longer cache duration for

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 >

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

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

2023-07-23 Thread Mukund Sivaraman
Hi Tim On Sun, Jul 23, 2023 at 09:00:58PM -0700, Tim Wicinski wrote: > There was some operational feedback that suggests 1 second is also > a very reasonable value here. With some discussion, here is some > suggested text: > > Resolvers MUST cache resolution failures for at least 1 second.

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

2023-07-23 Thread Tim Wicinski
Duane On Sun, Jul 23, 2023 at 9:20 PM Wessels, Duane wrote: > Tim, > > You said you received some operational feedback. I wonder if it would be > appropriate to add this operational (or implementation?) feedback to the > (currently empty) Implementation Status section that Peter van Dijk >

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

2023-07-23 Thread Wessels, Duane
Tim, You said you received some operational feedback. I wonder if it would be appropriate to add this operational (or implementation?) feedback to the (currently empty) Implementation Status section that Peter van Dijk suggested we add, in his DNS directorate review? I’m not necessarily

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

2023-07-23 Thread Tim Wicinski
All, We had a discussion this morning during the hackathon about a value with the document caching-resolution-failures. The current text in 3.2 says: Resolvers MUST cache resolution failures for at least 5 seconds. The value of 5 seconds is chosen as a reasonable amount of time that an