Written by Roozbeh Razavi. Roozbeh is a student of electronic engineering in K.N.T University of technology. He is also translator of book “Networking Essentials Plus by Microsoft Corporation”. Continue reading

If you have ever thought about hosting a web, FTP, email, or other server type directly from your broadband Internet connection, you may have found your dynamic IP address to be a serious stumbling block. Many broadband Internet Service Providers (ISPs) will “lease” dynamic IP addresses to your PC, meaning that your IP address is subject to change after some period of time. Continue reading

For those of you having problems with your web proxy (for some ISP’s, this is not optional and automatically intercepts all port 80 traffic), this article a high-level explanation of what is causing the problem & suggestions of short-term fixes. Continue reading

Existing xDSL infrastructure might struggle to keep up with our demands for bandwidth in the future. Read how Agile Optical Networking (AON) helps broadband carriers build infrastructure that can scale to meet the demands of tomorrows broadband applications. Continue reading

With many homes and businesses now having a broadband connection, there’s no escaping the fact that we need to have some knowledge of how to hook up broadband to multiple computers and devices. With this first article in a series of networking guides, we aim to give you enough understanding and practical “know how” to create, maintain and extend your broadband network with the minimum of fuss. Continue reading

This second part in our popular Networking Guide series builds on the basic principles that you will have learned previously. In this article we introduce you to some of the fundamental concepts of TCP/IP networking such as IP Address, Networks and Hosts, Subnets and default gateways. At the end of the article we give an example of a typical home or small office network configuration that you can use. Continue reading