A method and system for optimizing routing traffic to a destination when multiple routes are available. A performance monitoring and inference component measures the performance of the available paths to a large set of subnetworks, and uses those measurements to infer the performance of all available...http://www.google.com.tw/patents/US6981055?utm_source=gb-gplus-share專利 US6981055 - Method and system for optimizing routing through multiple available internet route providers
