Roy Arends <[email protected]> wrote: > Range 2: NS-Preserving Delegation Types
> A Delegation Type in this range does not alter the inclusion of the NS
> RRset in a referral. When a delegation contains Delegation Types from
> this range, and none from Range 1, an authoritative server MUST include
> the NS RRset in the referral, together with the Delegation Type
> RRsets. If a delegation also contains Delegation Types from Range 1,
> the Range 1 rule takes precedence: the authoritative server MUST NOT
> include the NS RRset in the referral.
I'm surprised by the precedence, but I can mostly see why.
If we were allocating DS today (without DELEG existing), would DS come from
this range then?
> Range 3: On-Demand Delegation Types
> Delegation Types in this range are not included in referrals. An
> authoritative server MUST NOT include Delegation Types from this range
> in a referral. Delegation Types in this range MUST be explicitly
> queried.
Can you give us an example?
Have we special cased this before?
> Subsequently, the DELEXT draft will read:
> Decimal Hex Registration Procedures Note
> 61440- 0xF000- Expert Review or NS-Omitting delegation TYPEs
> 61567 0xF07F Standards Action
> 61568- 0xF080- Expert Review or NS-Preserving delegation TYPEs
> 61695 0xF0FF Standards Action
> 61696- 0xF100- Expert Review or On-Demand delegation TYPEs
> 61935 0xF1EF Standards Action
> 61936- 0xF1F0- Private Use Private delegation TYPEs
> 61951 0xF1FF
Total cost seems to be 512 values from our 64K total.
That seems fine, even if we never use Range 3.
--
Michael Richardson <[email protected]> . o O ( IPv6 IøT consulting )
Sandelman Software Works Inc, Ottawa and Worldwide
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