> Source address validation, or more generally anti-spoofing filters, do > not require providers maintain logs, perform content inspection or > install firewalls. But source address validation won't stop attacks, > viruses, child porn, terrorists, gambling, music sharing or any other > evil that exists in the world. So the proposal "1" gets extended to > include other stuff. It gives better ROI when more than SAV is included.
i can see how this could happen. however, i do not think that it is the reason why SAV is not gettign deployed.