English to Chinese Tech/Engineering Computers: Systems, Networks

The goals in modifying these protocols were fairly straightforward: create a set of protocols offering:
§ the best possible use of limited bandwidth
§ high link utilization
§ tolerance of intermittent connectivity
§ high forward/return link asymmetry
§ adaptation to the environmental stress of space
请问“tolerance of intermittent connectivity”中的tolerance译作什么比较好？误差？容许量？
谢谢！