In the last issue we started following a packet's journey from the wire up to the higher levels of network stack processing. We left the packet at the end of layer 3 processing, where IP has ...

Most people who have written networking software are familiar with the TCP and UDP protocols. These are used to connect distributed applications and allow messages to flow between them. These ...

So I'm looking at the output of 'netstat -s -t' and I see the various TCP retransmit counters increase quite a bit. Particularly concerning is this counter: Tcp: 223726 active connections openings ...