I am a little lost. Let's put the double-nat aside for a moment. Except the fact that sd-nat uses icmp for port-set provisioning, what else different between Lightweight 4over6 vs. sd-nat? Am I missing something? For Lightweight 4over6, we can use anycast for redundancy. I fail to see what sd-nat does more than Lightweight 4over6.
/Yiu On 3/14/12 8:47 AM, "mohamed.boucad...@orange.com" <mohamed.boucad...@orange.com> wrote: >Med: But the question is why ICMP-based method is needed? Why not using >port-restricted DHCPv4 options for instance? >
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