“Not being overcomplicated is Modbus TCP/IP’s biggest draw, not only for PLCs, but especially for PC-based applications,” said Jason Haldeman, senior product specialist for I/O and networking at ...

But, the first implementation of the TCP/IP suite—published in the early 1970s by the U.S. Department of Defense’s Defense Advanced Research Projects Agency (DARPA, www.darpa.mil)—was in the Berkeley ...

TCP/IP is a layered networking protocol, which means that packets of data from the application are passed through several stages, or layers, until they move onto the wire as pulses or into the air as ...

Over the last several years, TCP/IP has gone from being the protocol that only geeks use, to a universal protocol that everyone uses, thanks to the widespread use of the Internet. TCP/IP has been ...