On the last call I offered to tweak E.3.4-A requirement and text to be more generic. Overview below, with changes in brackets (eg [NEW text /OLD text] or just [NEW text] for insertions. 3.4 Service Capacity [E.3.4-A] Each RSO is expected to make all reasonable efforts to ensure that sufficient capacity exists in their deployed infrastructure to allow for substantial [fluctuations in traffic loads / flash crowds or denial of service (DoS) attacks.] [Some/Such] events [(such as software bugs, flash crowds, denial of service or other attacks)] might present a significantly greater [traffic/query] load than the observed steady state, and that abnormal load should be accommodated, where possible and within reason, without degradation of service to legitimate DNS clients. Regards, Robert -- Robert Story USC Information Sciences Institute <http://www.isi.edu/> Networking and Cybersecurity Division