Posts tagged ipv6

Jul 10th: If your application uses getaddrinfo instead of gethostbyname (for IPv6), DNS round robin will not work. Urgh. Recently found this as the cause of our Java app only connecting to half of the hosts in our AWS ELB.

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This is the personal website of Cal Henderson, Slack co-founder & CTO.

I give occasional talks, write code and sometimes articles.

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