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It would be good to have a test bench, e.g. an IPv6 host on which we can debug the modified applications.
Converting PingER analysis etc to IPv6 could be an interesting project for someone who wants to be in the vanguard.
Most of the changes for IPv6 would be required in the analysis phases. Thus Anjum was thinking of rewriting the input IPv6 data with the IPv4 address so leaving the analysis as is. Another thought was to remove the IP address altogether.
Hints
An IPv6 host is ipv6.google.com(2001:4860:800f::68)
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