[routing-wg] IPv6 Routing Recommendations

Dear all,

At the moment the FIBs shown on route servers show /32 and /48 make up
85% of the routes.

In terms of router processing efficiency are there specific prefix
lengths that are "better" health-wise, e.g. should we encourage routes
on 4/8/16-bit boundaries?

Kind regards
Jamie Stallwood
 
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Jamie Stallwood
Security Specialist
Imerja Ltd
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jamie.stallwood at imerja.com
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-----Original Message-----
From: routing-wg-admin at ripe.net [mailto:routing-wg-admin at ripe.net] On
Behalf Of Rob Evans
Sent: 10 May 2010 12:11
To: Shane Kerr; routing-wg at ripe.net
Subject: Re: [routing-wg] IPv6 Routing Recommendations

Shane, all,

> Perhaps people should be encouraged to search recent routing-wg
archives
> for latest discussions, or to ask the working group for
recommendations
> if there are none that seem to apply?

Thanks for providing me with a link to fill in my interpretation of the
discussion last Wednesday. :)

The summary is that Philip and myself will scrap this document and work
to revise RIPE-399 with more IPv6 examples and ensure use of routing
registries is stressed.

A slightly longer description (and I hope this matches what shows up in
the minutes, but my memory isn't what it used to be) is that it would be
foolhardy, and the document admits to the difficulties, to try and
document any specific prefix-length based filter.  Instead, the general
principles of good aggregation should be stressed whilst admitting there
are occasions that you may need to advertise longer prefixes.

Existing filters of /32 may have to go the ways of IPv4 filters that
were based on registry allocation sizes, but that is something that the
network operator community will decide -- again, something that is
already mentioned in the discussion part of the document.

More discussion is of course welcome on the list.

Rob

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Rob Evans
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