In the broadcast mode, {TAIL ~ the gateway server} periodically or continuously images broadcast data , compresses {HEAD ~ the website images}, and stores the compressed website images in the gateway cache 
In the broadcast mode , { TAIL ~ the gateway server } periodically or continuously images broadcast data , compresses { HEAD ~ the website images } , and stores the compressed website images in the gateway cache
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH