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 ...

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 ...

Virtualization isn’t a new concept, but now that organizations need to cope with fast-growing storage requirements and enable their administrators to manage more ...