[ris-int] Re: NCC#2006021124 [RIS Lease-A-Beacon Request]
Samantha Lo cssmlo at comp.polyu.edu.hk
Thu Mar 23 07:01:39 CET 2006
Lorenzo Colitti said the following on 3/22/2006 6:01 PM: > Samantha Lo wrote: >>> What would you suggest? >>> >> I suggest that we can have multiple RRCs with different upstream >> providers (better no overlaps). > > This is possible: we can set up multiple IBGP peerings to multiple > RRCs and have those RRCs provide transit. > > For determining which RRCs are best to use in order not to have > overlap between upstreams, perhaps you could use the RIS looking glass > to see who provides transit for the beacon prefix of each RRC. That > gives you an easy way to check who provides transit for each RRC and > thus who would provide transit for your prefix if you were to announce > it from that RRC. > > A list of the beacon prefixes announced by each RRC is here: > > http://www.ripe.net/projects/ris/docs/beaconlist.html > > Here you can also see where each RRC is located. > I am looking into them now. Let me get back to you in these two days. I think I need to look into those providers' policies in RIPE and determine which RRCs we would use. But I find that many of them have overlaps. I >> We can further investigate the response of the upstreams to the >> prepending in different situations, e.g. locations (but I don't think >> location would have any effect to the response. Instead, the policies >> of the upstreams would be affected. That's why I would like to know >> the policies of your upstreams.) > > As far as I know, when we request transit for a beacon prefix, the > agreement is "treat this prefix exactly as though we were a stub > customer of yours". The routing policies of our upstreams are another > matter, but perhaps once you know better which RRCs and thus which > upstreams you will be using you can look up this information in the > RIPE routing database (Or perhaps we can try to confirm this with them > directly. Note, however, that this is likely proprietary information > that cannot be published.) I understand that. Our previous measurement which submitted to IMC has this problem also. We cannot disclose the information of the AS. > >> So, your announcer would be perfectly fit in our measurement. But I am >> still not very sure how to set up an iBGP section from my university >> network to the RRCs.Would you give me more details? > > Once we know more about the setup you want to use, e.g. which RRCs you > want to use, which prefixes you want to announce and where, I can > configure IBGP sessions between an IP address you give me and the RRCs > and give you the info you need to set up the peering on your side. > Depending on the RRC, we might need to do other things like open the > firewall. I see. Thank you very much! > > > Cheers, > Lorenzo > Best regards, Samantha Lo http://www.comp.polyu.edu.hk/~cssmlo/ cssmlo at comp.polyu.edu.hk Phone: +852-27764901 Fax: +852-27740842
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