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