Re: [DNSOP] comments on draft-ietf-dnsop-edns-client-subnet-00

On Wed, Feb 25, 2015 at 12:24 PM, 神明達哉 wrote: > At Mon, 23 Feb 2015 15:23:23 -0500, > Warren Kumari wrote: > >> > - Section 6.1 >> > >> >A Stub Resolver MAY generate DNS queries with an edns-client-subnet >> >option with SOURCE NETMASK set to 0 (i.e. 0.0.0.0/0) to indicate that >> > >> >

Re: [DNSOP] New version of the DNS terminology draft

I understand "cache-only" or "caching-only" DNS server as being, strictly speaking, one which loads *no* authoritative data. Typically, this is a resolver which populates its cache by initially priming with some "root hints" configuration, and then walking down the namespace hierarchy via iterat

Re: [DNSOP] Is there a concise and comprehensive definition of a "zone file"?

In message , Edward Lewis writes: > I admit that this thread rolled off my screen before I noticed it. I’m > going to pick on a few things said here that extend backwards in the > thread a bit. > > On 2/22/15, 15:53, "Mark Andrews" wrote: > > >master files are ASCII files. > > Maybe they are s

Re: [DNSOP] Definitions of foo-centric

In message <20150225.150348.396032001...@uninett.no>, Havard Eidnes writes: > >> However in the child-centric case this can cause problems when the > >> NS set held by the parent changes (i.e. the zone is redelegated) but > >> the NS set in the old set of servers isn't also updated. Such a > >> c

Re: [DNSOP] Definitions of foo-centric

In message , Olafur Gudmundsson writes: > > > On Feb 25, 2015, at 4:14 AM, Ray Bellis > wrote: > > > > > >> On 25 Feb 2015, at 08:58, Stephane Bortzmeyer > wrote: > >> > >> I'm not sure they appear in a RFC. They are commonly used (see for > >> instance

Re: [DNSOP] non-ASCII, was Is there a concise and comprehensive definition of a "zone file"?

>>master files are ASCII files. > >Maybe they are supposed to be. But what got my goat recently was trying >to parse a zone file that had UTF-8 in it. There are zone master files >that are not purely ASCII in the wild. Indeed. I have no idea what they mean. Since the DNS is a mostly 8-bit clea

Re: [DNSOP] Definitions of foo-centric

>>Firstly, isn't this "child-centric resolver" / "parent-centric >>resolver" simply an euphemism papering over the more distinct >>"correctly" and "wrongly" implemented resolver? > > That's my thought exactly. (But that doesn't mean the terms > needn't be given definitions.) ... >>>Phantom domai

Re: [DNSOP] comments on draft-ietf-dnsop-edns-client-subnet-00

At Mon, 23 Feb 2015 15:23:23 -0500, Warren Kumari wrote: > > - Section 6.1 > > > >A Stub Resolver MAY generate DNS queries with an edns-client-subnet > >option with SOURCE NETMASK set to 0 (i.e. 0.0.0.0/0) to indicate that > > > > I'd suggest: s/i.e./e.g./ since this may also be an IPv6

Re: [DNSOP] Is there a concise and comprehensive definition of a "zone file"?

I admit that this thread rolled off my screen before I noticed it. I’m going to pick on a few things said here that extend backwards in the thread a bit. On 2/22/15, 15:53, "Mark Andrews" wrote: >master files are ASCII files. Maybe they are supposed to be. But what got my goat recently was tr

Re: [DNSOP] Definitions of foo-centric

On Wed, Feb 25, 2015 at 03:03:48PM +0100, Havard Eidnes wrote a message of 51 lines which said: > > Phantom domain: a domain which was delegated but is no more, and is > > still "active" in some resolvers because they did not check the > > parent yet. > > Again, I'd simply call a resolver all

Re: [DNSOP] Definitions of foo-centric

On 2/25/15, 9:03, "Havard Eidnes" wrote: >Hmm. > >Firstly, isn't this "child-centric resolver" / "parent-centric >resolver" simply an euphemism papering over the more distinct >"correctly" and "wrongly" implemented resolver? That’s my thought exactly. (But that doesn’t mean the terms needn’t be

Re: [DNSOP] Definitions of foo-centric

>> However in the child-centric case this can cause problems when the >> NS set held by the parent changes (i.e. the zone is redelegated) but >> the NS set in the old set of servers isn't also updated. Such a >> child-centric resolver may completely fail to notice the >> redelegation. > > Yes, thi

Re: [DNSOP] Definitions of foo-centric

> On Feb 25, 2015, at 4:14 AM, Ray Bellis wrote: > > >> On 25 Feb 2015, at 08:58, Stephane Bortzmeyer wrote: >> >> I'm not sure they appear in a RFC. They are commonly used (see for >> instance ) when >> discussing resolvers' behaviour. >>

[DNSOP] New Version Notification for draft-wang-dnsop-cachesurvey-00.txt

Hi all, Enlightened by Workshop on DNS Future Root Service Architecture in Hongkong, Dec,2014, we submitted a draft about the DNS cache survey in China. We hope the survey results may provide some useful information to better understand the current cache service model. https://tools.ietf.org

Re: [DNSOP] {Sender Address Possibly Forged} Re: Definitions of foo-centric

On 2/25/15, 4:20, "Ray Bellis" wrote: > >Olafur identified a third set called "child-sticky". It's that group >that has the problem I described above, not the "child-centric" ones. Having never heard the term before, “sticky” is far more descriptive than “centric.” (Whether it is a good idea or

Re: [DNSOP] Definitions of foo-centric

Stephane Bortzmeyer wrote: > On Wed, Feb 25, 2015 at 12:26:39AM +, > Edward Lewis wrote > a message of 139 lines which said: > > > Delegation centric - for all labels below the apex, each owns an NS set. > > (I.e., each is a cut point.) > > In that case, many TLDs (for instance .fr and .de)

Re: [DNSOP] Definitions of foo-centric

On Wed, Feb 25, 2015 at 09:14:53AM +, Ray Bellis wrote a message of 30 lines which said: > However in the child-centric case this can cause problems when the > NS set held by the parent changes (i.e. the zone is redelegated) but > the NS set in the old set of servers isn't also updated. S

Re: [DNSOP] {Sender Address Possibly Forged} Re: Definitions of foo-centric

> On 25 Feb 2015, at 09:14, I wrote: > > This is my understanding of the terms too. > > However in the child-centric case this can cause problems when the NS set > held by the parent changes (i.e. the zone is redelegated) but the NS set in > the old set of servers isn't also updated. Such a c

Re: [DNSOP] Definitions of foo-centric

> On 25 Feb 2015, at 08:58, Stephane Bortzmeyer wrote: > > I'm not sure they appear in a RFC. They are commonly used (see for > instance ) when > discussing resolvers' behaviour. > > Let me suggest: > > Child-centric resolver: a DNS resolver

Re: [DNSOP] Definitions of foo-centric

On Wed, Feb 25, 2015 at 12:26:39AM +, Edward Lewis wrote a message of 139 lines which said: > I’ve never heard the other terms, have no idea what they’d mean (out > of context). I'm not sure they appear in a RFC. They are commonly used (see for instance

Re: [DNSOP] Definitions of foo-centric

On Wed, Feb 25, 2015 at 12:26:39AM +, Edward Lewis wrote a message of 139 lines which said: > Delegation centric - for all labels below the apex, each owns an NS set. > (I.e., each is a cut point.) In that case, many TLDs (for instance .fr and .de) won't be delegation-centric. __