Re: [sidr] is a longer announce invalid or not found?

Robert Raszuk <robert@raszuk.net> Fri, 30 September 2011 07:57 UTC

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Date: Fri, 30 Sep 2011 09:59:54 +0200
From: Robert Raszuk <robert@raszuk.net>
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To: Randy Bush <randy@psg.com>, Pradosh Mohapatra <pmohapat@cisco.com>
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Subject: Re: [sidr] is a longer announce invalid or not found?
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Let me clarify one nit ...

In the other mail you said:

"any announcement of any prefixes in that space, from /16 to /32, from 
an AS other than 42 are INVALID."

In the light of the below quote from origin-ops-10 should the above be 
reworded as:

"any announcement of any prefixes in that space, from /16 to /32, from 
an AS other than 42 are INVALID unless a valid ROA is present in the 
RPKI covering such sub-allocation"

Thx,
R.

>>  From a partial deployment perspective, it does mean that once a ROA is
>> published for an address block (and follows the ops guideline of being
>> precise), further sub-allocations NEED to have the ROA
>> published. Otherwise, they would be marked invalid and risk being not
>> routed.
>
> from draft-ietf-sidr-origin-ops-10
>
>     Before issuing a ROA for a super-block, an operator MUST ensure that
>     any sub-allocations from that block which are announced by other ASs,
>     e.g. customers, have correct ROAs in the RPKI.  Otherwise, issuing a
>     ROA for the super-block will cause the announcements of sub-
>     allocations with no ROAs to be viewed as Invalid, see
>     [I-D.ietf-sidr-pfx-validate].
>
> randy
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