Software-defined networking (SDN) is an architecture that abstracts different, distinguishable layers of a network to make networks agile and flexible. The goal of SDN is to improve network control by ...

Dr. James McCaffrey of Microsoft Research tackles how to define a network in the second of a series of four articles that present a complete end-to-end production-quality example of binary ...

A network topology is the physical and logical arrangement of nodes and connections in a network. Nodes usually include switches, routers and software with switch and router features. Network ...

VMware NSX does for networks and physical network components what virtual machines did for data centers and physical servers. It allows you to use them in very different and more flexible ways. In ...

The interconnections of nodes in a communications network. Nodes are wired together in a star, bus or ring architecture. Ethernet uses a star configuration, although earlier Ethernets used a bus.