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 ...

If you look at the many fields in a typical IP packet, you might hesitate when you see there are several error check fields. In the Ethernet part of the packet we ...

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 ...

If you use Office 365's webmail interface to prevent email recipients from seeing your local IP address, you are out of luck. When sending email through Office 365, your local IP address will be ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. At trade shows, I occasionally walk into a booth and discover a product I really want to ...

Whether it’s wired or wireless, most data communications today happens by way of packets of information travelling over one or more networks. But before these networks can work together, though, they ...

Voice over IP (VoIP) is the descriptor for the technology used to carry digitised voice over an IP data network. VoIP requires two classes of protocols: a signaling protocol such as SIP, H.323 or MGCP ...

Network Address Translation (NAT) is a technology that has, in a small way, revolutionized Internet communications. NAT allows multiple computers on a LAN to share a single public IP address for ...