It accepts it from Google because Google does not register its prefixes.
If I do not know what you should announce to me I have two choices: filter everything our making PNI useless or presume you are not a dolt and that you are only going to announce what you should transit which would work if you filter your peers.
Except that Google does not believe in filtering its peers either which means that effectively whoever peers with Google has to presume that whatever Google announces is fine.
If I do not know what you should announce to me I have two choices: filter everything our making PNI useless or presume you are not a dolt and that you are only going to announce what you should transit which would work if you filter your peers.
Except that Google does not believe in filtering its peers either which means that effectively whoever peers with Google has to presume that whatever Google announces is fine.