[1] Internet Protocols, www.cisco.com
[2] Introduction to TCP/IP, www.yale.edu/pclt/comm/tcpip.htm
[3] A beginner’s guide to TCP/IP, www.zdnet.com/pcmag/issues/1520/pcmag0030.htm
[4] Address Resolution Protocol, www.erg.abdn.ac.uk/users/gorry/course/inet-pages/arg.html
[5] User Datagram Protocol-a whatis definition, http://whatis.techtarget.com
[6] Internet Control Message Protocol, , www.erg.abdn.ac.uk/users/gorry/course/inet-pages/icmp.html
[7] UDP, The User Datagram Protocol,
http://www-net.cs.umass.edu/kurose/transport/udp.html
[8] Understanding TCP/IP, Julian Moss, PC Network Advisor issue 87, September 1997, www.itp-journals.com
[9] Understanding TCP/IP, Julian Moss, PC Network Advisor issue 88, October 1997, www.itp-journals.com
[10] How IP Multicast Works, www.ipmulticast.com
[11] www.webopedia.cocm