●。 Portbase o Programmer does not need to modify all references to port numbers- safety o Solves the problem in general way generality o Solving the possible port conflicts-no conflicts 6 SIE, NTUT, Taiwan
6 CSIE, NTUT, Taiwan Portbase Programmer does not need to modify all references to port numbers – safety Solves the problem in general way – generality Solving the possible port conflicts – no conflicts
●●。 Process structure server AP Socket at well-known port+OS used for all communication SIE, NTUT, Taiwa
7 CSIE, NTUT, Taiwan Process Structure server OS AP Socket at well-known port used for all communication
●。 Example o The uDPtimed. c example SIE, NTUT, Taiwa
8 CSIE, NTUT, Taiwan Example The UDPtimed.c example