wherein receiving the network traffic comprises receiving a first portion of the network traffic associated with one or more computing devices of the first set of computing devices and receiving a second portion of the network traffic associated with {HEAD ~ one or more computing devices} of {TAIL ~ the second set} of computing devices, 
wherein receiving the network traffic comprises receiving a first portion of the network traffic associated with one or more computing devices of the first set of computing devices and receiving a second portion of the network traffic associated with { HEAD ~ one or more computing devices } of { TAIL ~ the second set } of computing devices ,
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH