Addressing processes 口 For a process to 口 Identifier includes receive messages, it both the ip address must have an identifier and port numbers O Every host has a unique associated with the 32-bit Ip address pr rocess on the host o Q: does the IP address D Example port numbers of the host on which Ohttpserver80 the process runs o Mail server: 25 suffice for identifying o More on this later the process? D Answer: No, many rocesses can be running on same host 2: Application Layer 92: Application Layer 9 Addressing processes:  For a process to receive messages, it must have an identifier  Every host has a unique 32-bit IP address  Q: does the IP address of the host on which the process runs suffice for identifying the process?  Answer: No, many processes can be running on same host  Identifier includes both the IP address and port numbers associated with the process on the host.  Example port numbers:  HTTP server: 80  Mail server: 25  More on this later