In some embodiments, {TAIL ~ the communication} between {HEAD ~ the application server} 127 and the log server 129 is accomplished through HTTP server pull mechanism 
In some embodiments , { TAIL ~ the communication } between { HEAD ~ the application server } 127 and the log server 129 is accomplished through HTTP server pull mechanism
OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH