network admin, ip addresses for webserver

[Jacob Mansfield]

On 27 Oct 2014, at 8:39PM, Niles Rogoff wrote:
> My understanding is that on each inbound connection, the router will have to resolve the hostname to an internal IP address, which takes time and resources. You probably don't need to worry about it so long as the hostname and MAC address of the computer never change

Very true. Routing a packet takes around 100-200 μs, whereas a DNS lookup takes around 200ms (200000μs).
That sort of delay is far too much to add to the TCP stream, and could cause large delays and packet losses as the router struggles to catch up.

Kind Regards,
Jacob Mansfield
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