domain name vs ip address?

Posted May 28, 2014 10k views
i get that a domain name is important for websites cause they are more simple to remember for humans. But for something like a game where no human need ever read it, accept the developer. Who only has to assign it to a variable once, and then can forget about it for the rest of the program. In that situation is it better to use a domain name, ip address, or is there essentially no difference between the two? Mainly I just want to know should I bother to set up a domain name or just connect with ip address. What are the advantages/disadvantages to each method

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2 answers
Domain names can be changed, IPs can't. Use a domain.
For development, it is better to use a domain name instead of a hard coded IP address.

When server migration / upgrade is done, changing the dns record is much easier than patching the program or config file(s).