| > What if: when "I have been allocated 203.10.61.0/24", I 
| issue an ROA 
| > for the same with my origin AS? Doesn't that automatically 
| mean that 
| > all the advertisements of the prefix from another origin AS are 
| > automatically invalid?
| 
| no, not if roas exist for them too.  while having the same 
| prefix announced by multiple ass is unusual, it is valid 
| practice.  think anycast.

Agreed. What I meant is that existence of ROA(s) should be 
sufficient to detect invalid uses/filter invalid BGP announcements.
_______________________________________________
sidr mailing list
[email protected]
https://www.ietf.org/mailman/listinfo/sidr

Reply via email to