The present invention is directed to methods and systems for improving {HEAD ~ network centric quality} of service using {TAIL ~ active network technology} 
using
The present invention is directed to methods and systems for improving { HEAD ~ network centric quality } of service using { TAIL ~ active network technology }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL