Re: Filter update procedures

[Tony Barber <]

Jacques Caron wrote:
>Hi,
>
>This is probably a recurring discussion... Feel free to point me to older 
>threads on the same subject. Also, the discussion might be more appropriate 
>in another forum (routing WG, specific IX mailing lists...)?
>
>The issue is that of route filtering procedures between peers. Some of us 
>(especially those that are present on many IXes) receive quite a bunch of 
>"please update your filters with AS so and so and routes so and so", but I 
>wonder if anyone uses them? I have the feeling most people either:
>- don't filter anything
>- filter based on IRR (RADB/RIPE DB...) contents (using an as-macro), with 
>regular automatic updates
>
>I don't feel manually updated filters are very realistic. I guess a small 
>survey on "who needs notification of new announcements" would be a good 
>idea... I suspect we'd end up with a very small list.
>
>Some specific field in AS descriptions in the RIPE DB to indicate 
>notification of changes would be great too. It would avoid "spamming" 
>everybody with the filter updates.
>
>Comments?
>

Hi Jacques

currently we use max-prefixes in the UK to reduce the admin overhead. Works well
and is simple. Provides some sensible protection.
I have never been totally sure of how up to date IRRs are.

cheers

tb