Other Performance Savings
Most organizations will obtain their address blocks from their provider --> reduces number of address attestations needed.
Most DSPs and subscribers use default routing, not BGP
Most organizations/users are singly homed
Limit where UPDATE validation occurs, e.g., not needed for
- singly homed “leaf” organizations
- singly homed DSPs
- multi-homed DSP -- check only if receive ɭ route to same address blocks