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<div style="font-size: 11pt;font-family: tt;"><span style="font-family: 
monospace;">i'll answer john heidemann's paper 
(<a class="moz-txt-link-freetext" 
href="http://www.isc.edu/%7Ejohnh/PAPERS/Zhu14a/">http://www.isc.edu/~johnh/PAPERS/Zhu14a/</a>)
 separately, but my prior 
related remarks are already online:<br><br><a 
class="moz-txt-link-freetext" 
href="http://www.circleid.com/posts/20130913_on_the_time_value_of_security_features_in_dns/">http://www.circleid.com/posts/20130913_on_the_time_value_of_security_features_in_dns/</a><br><br>vixie<br></span></div>



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