On the other hand, it is identified that the services SRV1, SRV2, when used in connection, can utilize the channel CH2 in such a way that the channel resource in {HEAD ~ at least one transmission direction} can also be utilized by {TAIL ~ the service} SRV1 
On the other hand , it is identified that the services SRV1 , SRV2 , when used in connection , can utilize the channel CH2 in such a way that the channel resource in { HEAD ~ at least one transmission direction } can also be utilized by { TAIL ~ the service } SRV1
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