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