IPv6 addresses for EP or why are exhanges so special ?
Paul Martin pm at zetnet.net
Thu May 17 18:29:03 CEST 2001
On Thu, May 17, 2001 at 07:49:47AM -0700, Randy Bush wrote: > >> bgp is not needed at all, as the exchange point has no asn, and the > >> prefix is internal to the attached providers. > > Several European IXPs run their own BGP, and have their own ASN, with > > one or more of their members providing transit to the IXP's PA space. > > this is true for most exchanges. but the exchange mesh itself, which is > the subject of our discussion, is not in that asn. it is the side service > net which is in the transit asn. I know of at least one IXP which uses a portion of its PA space for the exchange itself (on a multiple-access broadcast network, ie. switched ethernet) -- it was advised to do so by RIPE. Strangely enough, it is some of the side services that are on non-global-transit address space. -- Paul Martin <pm at zetnet.net>
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