TCP (Transmission Control Protocol) and UDP (User Datagram Protocol) constitute the vast majority of packets the average Internet user sends and receives. Inevitably, errors will at some point work ...

One of the features of Wireshark that you may have noticed, if you’ve been reading my posts this week and doing some experimenting on your own, is that the program color-codes packets in the packet ...

Ethernet is a popular communications media chosen for its combination of high throughput, the wellknown TCP/IP sockets application programming interface (API), low-cost hardware, widely available ...

Often we discuss errored packets that are dropped without understanding the underlying techniques that determine why the packets are discarded. There are checks for errors at several protocol layers.

The current IP address scheme of 32-bit words is fast becoming inadequate. It would appear that 2 32 = 4 294 967 296 combinations of addresses should be enough for everybody, but in practice this is ...