[NTLUG:Discuss] localhost vs "real" IP address

[Chris Cox]

George Lass wrote:
> Does anyone know offhand how much more overhead (if any) is involved in TCP/IP messaging to 127.0.0.1 versus the "real" IP address assigned to eth0 on the local machine?  If it make any difference, I am running an old (2.4.18) kernel.
> 

Less.  Should be less overhead due to lack of a NIC style driver.  No typical "bandwidth" constraints.