Re: Modification of RIPE-181's as-in/as-out attributes
1 Nov
1995
1 Nov
'95
3:49 a.m.
In message <199510311942.AA07667@cat.isi.edu>, Cengiz Alaettinoglu writes:
I like this idea. There is only one problem that I see with it. The as numbers in as-in and as-out lines are often used (by tools like prpath and prtraceroute) to deduce the topology of the Internet. If an AS only specifies a policy like:
aut-num: AS2 as-in: from (NOT AS1) 5 accept ANY
then prpath has no way of deducing the neighbors of AS2.
Doesn't that deduction belong in the inet-rtr ifaddr and peer lines?
aut-num: AS2 neighbor-list: AS3, AS4, AS5, AS1 # pehaps with router addresses?
This is reasonable for AS that don't provide inet-rtr records for their routers (I suspect most). Curtis
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Curtis Villamizar