[DNSOP] Artart last call review of draft-ietf-dnsop-dns-tcp-requirements-12

2021-09-03 Thread Jean Mahoney via Datatracker
Reviewer: Jean Mahoney Review result: Ready with Nits Reviewer: Jean Mahoney Review result: Ready with nits A well-written, easy-to-read document. Love Appendix A! Question about Appendix A.2 and Updates - Should this document also update RFC 1536? Current text in A.2: The informational doc

[DNSOP] Chairs Meeting Notes, 2021-09-03

2021-09-03 Thread Tim Wicinski
All, We had a lighter meeting, as we missed Warren. Focus on Interim planning. See below. Thanks Benno/Suzanne/Tim # Chairs Meeting Notes This File: https://github.com/ietf-wg-dnsop/wg-materials/blob/main/chairs-notes-2021.md Doc Status: https://github.com/ietf-wg-dnsop/wg-materials/blob/mai

Re: [DNSOP] NSEC3 Guidance - zone size impact of opt-out

2021-09-03 Thread Ray Bellis
On 03/09/2021 08:32, Paul Wouters wrote: > I myself think we have reached the point where memory on nodes is so > cheap, it is not worth the security degradation to use opt-out. Generic DIMMs are indeed cheap. However, supported ones from server vendors such as Dell have a retail price about

Re: [DNSOP] NSEC3 Guidance - zone size impact of opt-out

2021-09-03 Thread Vladimír Čunát
On 03/09/2021 09.48, Vladimír Čunát wrote: you can't expect them[resolvers] to keep a significant fraction of huge zones in cache That being said, if a zone with (only) a couple million entries is *attacked*, it can be realistically protected by aggressive caching.  A cache of a couple GB see

Re: [DNSOP] NSEC3 Guidance - zone size impact of opt-out

2021-09-03 Thread Vladimír Čunát
On 03/09/2021 09.32, Paul Wouters wrote: I guess with aggressive nsec, you might even gain some CPU cycles back for that extra memory used, and receive less queries too? Saving you some money? I think these savings won't be significant in delegation-centric zones that are huge enough to consi

Re: [DNSOP] NSEC3 Guidance - zone size impact of opt-out

2021-09-03 Thread Paul Wouters
On Fri, 3 Sep 2021, Alexander Mayrhofer wrote: In some deployments of larger (eg TLD), in-memory zone size on the authoritative servers is a significant issue, particularly if the total memory size required is multiplied by hundreds of anycast nodes. Why would you calculate the cost of memory

[DNSOP] NSEC3 Guidance - zone size impact of opt-out

2021-09-03 Thread Alexander Mayrhofer
Wes, all, thanks for putting together draft-ietf-dnsop-nsec3-guidance. I have one small comment regarding section 2.2 (Flags): In some deployments of larger (eg TLD), in-memory zone size on the authoritative servers is a significant issue, particularly if the total memory size required is multipl