As the networking industry is being transformed by the next-generation virtualization approach called software-defined networking (SDN), the complementary architectural concept of network functions ...

Organizations are using virtualization to manage their cloud environment effectively. Here is a rundown of the different types and what each can offer. In enterprise IT infrastructure, virtualization ...

For decades, networks have been built on the same fundamental principle: dedicated hardware appliances for each network function. Need a firewall? Buy a box. Need load balancing? Purchase another ...

Giving everyone with a wireless card access to the same places on the network creates risk. Guests at an office, for example, may need to access the Internet from the lobby, but they shouldn’t have ...