A comprehensive guide and reference for IT and network professionals; An easy to use training tool for IT students to get an overall picture of data and telecommunications; A unique marketing tool for IT hardware, software and services vendors for leads generation and promotional gift to their partners and customers; Hundreds of active data and telecommunication protocols well illustrated on one chart in the OSI 7-layers model; Designed by experts with decades of experience in the data and tele
"I am an IT engineer. I have the Javvin’s Map of Communication Protocols hanging on my office wall. It helps me get an instant answer to many network and communication questions." "It was last holiday season... I purchased a few copies of Javvin's Map of Communication Protocols. I framed them and gave to my customers as holiday gifts. They were very delighted. The pictures have been hanging on their walls since then and remind them everyday our wonderful relationship."