How data Network works

Network Troubleshooting via the OSI Model

We all hate the dreaded “This page cannot be displayed” or similar network / internet connection errors but how do we determine if the problem is network, cabling or just browser related? And what can we do to rectify the situation? Using the Open Systems Interconnect model (OSI) we can troubleshoot our internet connectivity from … Continue reading →

BGP – The protocol that makes the Internet work

Service providers working with IP networks are very clear that the Border Gateway Protocol (BGP) is the most complex and difficult to configure Internet protocol. Its emphasis on security and scalability makes it essential, however. This guide offers you a detailed look at how and why BGP-enabled routers in core networks exchange information securely with … Continue reading →