SOCKETS o A socket is defined as an endpoint for communication o Concatenation of IP address and port o The socket 161.25.19.8:1625 refers to port 1625 on host161.25.19.8 o Communication consists between a pair of socketsSOCKETS  A socket is defined as an endpoint for communication  Concatenation of IP address and port  The socket 161.25.19.8:1625 refers to port 1625 on host 161.25.19.8  Communication consists between a pair of sockets