Network Working Group
Request for Comments: 18
University of California Los Angeles
Vint Cerf
September 1969

It is suggested that link 1 be used for the HOST-HOST control link

and link 0 be used for IMP-IMP control.

This will facilitate communication between Hosts and reduce delays

due to interference with IMP-IMP communications.

[This RFC has been restored to on-line status by Elmar K. Bins]