- Infra-structure to provide
network communication:
- A networked computer
on
the Internet has
216 = 65536
network ports:
Each networked computer has a unique IP address (like a telephone number)
- A networked computer
on
the Internet has
216 = 65536
network ports:
- Network programming:
- A networked program will
associate a
socket variable
with
a port:
- Networked programs will
send messages
to each other using:
(IP-address, port#)as identification
- A networked program will
associate a
socket variable
with
a port: