Network Connection
Learn about how a network connection is made, and how the failures can occur in creating a network connection.
We'll cover the following...
Listen queue
Suppose that the remote application is listening to the port but is absolutely hammered with connection requests, until it can no longer service the incoming connections. The port itself has a “listen queue” that defines how many pending connections (SYN sent, but no SYN/ACK replied) are allowed by the network stack.
Once the listen queue is full, further connection attempts are ...