| 释义 | 
		traffic engineering 1. The inexact science of predicting the volume of future traffic and equipping a network with enough switching and transmission resources to handle that volume, thereby providing end users with a satisfactory grade of service (GoS). See also  Erlang,  Erlang B,  Erlang C,  Equivalent Queue Extended Erlang B,  Extended Erlang B,  GoS,  Poisson distribution, and  traffic.  74570c20.qxd  9/12/07  12:44 AM  Page 495  |