{TAIL ~ The system} 12, wherein, the managed device comprises: {HEAD ~ a second UDP transport module} and a second management module; wherein, 
{ TAIL ~ The system } 12 , wherein , the managed device comprises : { HEAD ~ a second UDP transport module } and a second management module ; wherein ,
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH