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In this first installment in a two-part series , Kevin provides a recipe on using a feature called " Frame-Relay Traffic Shaping " to ensure that the router does n't overrun the capacity of the individual PVCs in a Frame Relay WAN , and a script to use to automatically scan and analyze your log files . The most colorful , and certainly the most harmless , example of a virtual world is a MUD , or Multi-User Dungeon . There is a rule of thumb that one 's standard of living during retirement would be comparable to that just prior to retirement if retirement income equaled 70 percent of one 's last year 's wage , a ratio called the replacement rate . It is with us as with infants , the first sign of whose awaking is a cry . The report found that the most promising of the SERVE variations is a kiosk architecture that would not rely on unsecured software or the Internet .