Re: [Idr] WGLC for draft-ietf-idr-rfc5575bis-04

Job Snijders <job@ntt.net> Mon, 16 October 2017 17:07 UTC

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Date: Mon, 16 Oct 2017 19:07:01 +0200
From: Job Snijders <job@ntt.net>
To: Christoph Loibl <c@tix.at>
Cc: draft-ietf-idr-rfc5575bis@ietf.org, idr@ietf.org
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Subject: Re: [Idr] WGLC for draft-ietf-idr-rfc5575bis-04
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On Mon, Oct 16, 2017 at 04:30:46PM +0000, Job Snijders wrote:
> OLD: For IP prefix values (IP destination and source prefix) precedence
>      is given to the lowest IP value of the common prefix length; if the
>      common prefix is equal, then the most specific prefix has
>      precedence
> 
> PERHAPS:
>     For IP prefix values (destination or source) the common high-order
>     bits are compared. The number of common bits to compare is the
>     lowest prefix-length of the two prefixes. If the high-order bits are
>     equal, the prefix with the longer prefix-length has higher
>     precedence. If the common high-order bits are different, the prefix
>     with the lowest numeric value takes higher precedence.

Still feels wonky, maybe this:

PERHAPS:
    For IP prefix values (destination or source) the common high-order
    bits are compared. The number of common bits to compare is the
    lowest prefix-length value of the two prefixes. If the high-order
    bits are equal, the prefix with the longer prefix-length has higher
    precedence. If the common high-order bits are different, the prefix
    with the set of bits that represent the lowest numeric value takes
    higher precedence.

If others chime in here that would be appreciated.

Kind regards,

Job