Patent ID: 9282016
Filing Date: 2016-03-08
CPC Classification: H04L,Y02D

Claim Text:
1. A method of measuring packet loss on a link aggregation group comprising an aggregation of two or more physical links, said method comprising: defining one or more common loss measurement periods for all physical links in the link aggregation group; synchronizing two or more counters For the link aggregation group to a common time reference, each counter being configured to count packets transmitted and received over one or more physical links in the link aggregation group; transmitting at least two loss measurement messages over different physical links, each loss measurement message including a count of packets transmitted and a count of packets received over one or more physical links in said one or more loss measurement periods; receiving at least two loss measurement replies from the different physical links responsive to said loss measurement messages, each loss measurement reply including a count of packets transmitted and a count of packets received by a remote device over the same physical links in the same loss measurement period as a corresponding loss measurement message; and calculating an aggregate packet loss for the link aggregation group based on the packet counts in said loss measurement messages and said loss measurement replies; wherein calculating an aggregate packet loss for the link aggregation group comprises: