The problem with a grandparent is that it cannot certify a grandchild 
unless it has specific information about it, normally it would come from the 
son/daughter.

        I think the idea of the grandparent has good will, but I am not sure 
that we are following the right path.

Regards,
as

On 10 Aug 2012, at 17:45, Murphy, Sandra wrote:

> speaking as regular ol' member
> 
> This is a discussion of grandparenting, NOT a discussion of adoption of the 
> grandparenting draft.
> 
> There have been suggestions of several different actions a grandparent might 
> do.  Most of the comments so far focus on issuance of CA certificates to a 
> grandchild.  But there are other actions a grandparent might take.
> 
> For example.  One action already mentioned would be issuing ROAs for the 
> grandchild, by the grandparent.  That doesn't disturb the consistency with 
> the allocation system.  We have long discussed that providers might issue 
> ROAs for RPKI-unprepared children.  The RPKI structure allows for multiple 
> ROAs for the same prefix (for multihoming) and for multiple ROAS for more 
> specifics inside the same space signed by the same entity (eg for TE 
> advertisements).  
> 
> For example.  The grandparent could also host a CA service for the child.  
> That's allowed and is currently practiced.  Under that hosted CA service, the 
> grandparent could issue a cert for the grandchild.  The process controlling 
> this would be a matter for the agreement about the hosting service.
> 
> For example.  The grandparent could issue a CA cert for the grandchild and 
> reclaim that address space from the child by issuing new CA certs for the 
> child that omit the reclaimed space.   (For: it keeps allocation and RPKI 
> consistent.  Against: it fractures allocations and can produce routing table 
> bloat.)   I think I saw this in one message on the thread.  How, when, where, 
> why, with what proof or limitations - all that is out-of-band process and can 
> vary per situation.
> 
> For example.  The grandparent could issue a ROA that it itself was allowed to 
> originate the grandchild's address space, and forward traffic to the child 
> with the expectation that the child will forward traffic to the grandchild.  
> (This only works in cases where there is continued connectivity from child to 
> grandchild.)   There's no CA cert action there, so it doesn't disturb the 
> consistency with the allocation system.
> 
> I presume there are lots of others.
> 
> Do we want to try to record the many possibilities?  A complete list (ulp!)?  
> Reasons for and against certain critical ones?
> 
> --Sandy, speaking only as regular ol' member
> 
> 
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