Simultaneous activations of this service SRV1 compete of the channel resource of {HEAD ~ CH1}, and {TAIL ~ thus the successful activation} of this service SRV1 by far depends on the sufficiency of the channel resource of CH1 
Simultaneous activations of this service SRV1 compete of the channel resource of { HEAD ~ CH1 } , and { TAIL ~ thus the successful activation } of this service SRV1 by far depends on the sufficiency of the channel resource of CH1
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH