ocr: WAN CIRCUIT UTHUZATION - Olization 4 Probability of zero framnes 9.8 0.6 - - - I 1 Sinooperatingfate Figure 3. The lawofdiminishing: returns is casily seen AS we compare the: reseedr of differing line operating rates on WAN transmission performance. Beyond thej Afh level. of improvement i1 circuit utilization (higher transmission rates), there i5 little improvement in the probabriity of zero pames in the system.
