b) generating an intermediate request based on the received request, submitting {HEAD ~ the intermediate request} to the application on {TAIL ~ behalf} of the client device, and capturing output from the application responsive to the submitted intermediate request 
b ) generating an intermediate request based on the received request , submitting { HEAD ~ the intermediate request } to the application on { TAIL ~ behalf } of the client device , and capturing output from the application responsive to the submitted intermediate request
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH