IPv6 addresses for Exchange Points
Gert Doering gert at space.net
Mon May 7 17:51:56 CEST 2001
Hi, On Mon, May 07, 2001 at 05:35:11PM +0200, Mirjam Kuehne wrote: > An Internet Exchange Point was defined as follows: > > 3 or more ASes and 3 or more separate entities attached to a LAN (the > same infrastructure) for the purpose of peering and more are welcome > to join. I suggest to change the wording to "a common layer 2 infrastructure" - an exchange point might be some distributed thing peering over an ATM/FR cloud or a SRP/DTP ring, which isn't really a "LAN". Policy should not be tied to special implementation techniques. Besides this, I like the proposal. As discussed with a few people after the WG, it *does* pose the risk of handing out "lots and lots" of /48s and /64s to people claiming to be an exchange point. (It's not that hard to get three ASes together over "some" medium). On the other hand: if we reserve a /35 for that, we have 2^13 /48's to hand out to "would-be IXes". So the danger of address wastage is not too big. The danger of routing deaggregation *is*... So I'd suggest another thing: add to this a big warning that this space is not "PI" (whatever that means) and that it is very likely that it will never be routeable world-wide. This should stop people wanting to use such space for something different than an exchange point from applying for it. Gert Doering -- NetMaster -- SpaceNet AG Mail: netmaster at Space.Net Joseph-Dollinger-Bogen 14 Tel : +49-89-32356-0 80807 Muenchen Fax : +49-89-32356-299
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