DNS vs. IP address tactics in the cloud


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    Hi Paul,

    Have you tried openVPN.net? It's open source and should work for you needs.

    Another option perhaps could be to use a DNS server (internal or external) and have you cloud instances update the dns record after booting up. Then have your instances do a ns lookup against the DNS server first, i.e., before using the hosts file (have 'dns' before 'files' in /etc/nsswitch.conf). 

    If your cloud provider has meta data services like AWS then you could try to setup something like described in this blog post: http://www.ducea.com/2009/06/01/howto-update-dns-hostnames-automatically-for-your-amazon-ec2-instances/ 

    Best Regards,


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