%lambda=0.05;
%m=0.1;
%g=0.01;
%r=0.001;
%mu=1.0;

#Browser = (display, 0.4*lambda).(cache,m).Browser +
           (display, 0.6*lambda).(get,g).(download,infty).(rel,r).Browser;
#Server  = (get, infty).(download, mu).(rel, r).Server;

(Browser <> Browser <> Browser <> Browser) <get, download, rel> Server