[e2e] node addresses vs. interface addresses

Joe Touch touch at ISI.EDU
Wed Jul 31 15:30:55 PDT 2002


Roop Mukherjee wrote:
> Can someone address this question that someone from theoretical computer 
> science asked me:
> 
> Why do IP interfaces have addresses not the nodes themselves? Is there an 
> architectural reason for this?

See RFC1122. The jury is still out on this, as a whole, though the 
current custom in endsystems is to have the IP address associated with 
the interface.

Joe





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