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 {HEAD ~ the sufficiency} of {TAIL ~ the channel resource} of CH1 
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 { HEAD ~ the sufficiency } of { TAIL ~ the channel resource } of CH1
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 REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH