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RE: register.com down sev0?
> It was possible to implement BCP38 before the router vendors > came up with uRPF. Further, uRPF is frequently a very inefficient means of implementing BCP 38. Consider that you're going to either compare the source address against a table of 200,000 routes or against a handful of prefixes that you've statically configured in an ACL. Yes, I realize that the latter approach is more of a managerial hassle, but for those of you who feel that your silicon is running a tad too warm, you may wish to consider this as a possible performance improvement technique. YMMV. Your former router vendor, Tony