A "Must have" quick reference for IT/Networking professionals and students who are learning and using TCP/IP; Comprehensive Protocol Map focus on TCP/IP protocol suite and key layer 1 and 2 LAN, WAN an MAN protocols; Detailed explanations of IPv4 and IPv6; IPv4 and IPv6 addressing schemes; IPv4 and Ipv6 comparison; TCP and UDP explanations and header structures; Descriptions of commonly used TCP/IP utilities such as ICMP, TCPdump and Ping; Comprehensive list of the mostly used TCP and UDP port numbers ; Formatted in the 8.25 in x 11 in paper size for easy printing and use as a portable reference. TCP/IP Quick Guide is licensed as shareware, the cost of the registered verison is $14.95 and full size of the download is 0.5 MB. You may download a free version of TCP/IP Quick Guide by following download link at Free Download section of this page. TCP/IP Quick Guide is developed or distributed by Javvin Company and is listed under network network protocols network management.