The current IP address scheme of 32-bit words is fast becoming inadequate. It would appear that 2 32 = 4 294 967 296 combinations of addresses should be enough for everybody, but in practice this is ...

The purpose of the network layer is to help route messages between different local networks. Central to this layer is the concept of exclusive network addresses, where every terminal connected to the ...

Getting started on designing a network is a task of formidable proportions, but all the more so if you are looking to build a secure IT network. Often, IT system administrators are not fully familiar ...

We have now met the archenemy of networks, Mr. Murphy, as he cackles “What can go wrong, will,” in the introduction to failure modes and the discussion of failure modes at the physical and data link ...

You're probably familiar with the Internet Protocol. After all, it's the "IP" in IPv4 and IPv6. The set of rules that routes data across networks so that it gets to the correct destination. The ...

Sedona Systems says its technology to integrate the IP layer with the optical layer of networks controls gear from vendors that make up 95 percent of the global market.** CEO Yossi Wellingstein says ...

I had a great time meeting with a variety of customers at Cisco Live in Orlando back in June. We covered a lot of different topics around data center security. One specific item that came up more than ...