Just ask any economist: When a commodity is in short supply, several things happen. The price goes up, rationing begins, and people start scrambling for substitutes. Globally unique Internet addresses ...

Rather than layering security onto networks, the networks themselves and carefully managed authorization policies can hinder attacks, but at an administrative cost. Why is it that over 90% of ...

In previous articles I outlined one of the most clear-cut use cases for Software Defined WAN: replacing traditional Internet-based VPNs with a centrally-managed SD-WAN solution. This is easy for ...

Knowing how an IP address identifies a host on a network can be confusing. Before you begin calculating various addresses, you should know the fundamentals of IP addressing. Todd Lammle describes this ...

Table 1. This table illustrates subnet masks. The number after the “/” in the CIDR notation indicates the total number of IP addresses available. Click here to see an enlarged diagram. Understanding ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Every engineer working with media these days should understand the basics of network addressing, ...

Software defined networking (SDN) has evolved from the slick new technology only a network geek could love to a key pillar in new strategies designed to simplify and automate network configuration and ...

When the IPv4 address pool was depleted in 2011, some of the most impacted companies were internet service providers (ISPs) that needed these IPv4 addresses to grow their businesses. Less impacted, at ...

Before connecting a printer to a local area network, to prevent problems from occurring down the line, businesses should make sure that their networking, hardware and software setups will allow the ...

Subnetting a Class C network can be a tricky process to master. From MCSE to CCNA to RHCE to CNE, you'll have to know it and know it well. Todd Lammle walks you through clear instructions and ...