The VPP platform is an extensible framework that provides out-of-the-box production quality switch/router functionality. It is the open source version of Cisco's Vector Packet Processing (VPP) technology. This a high performance, packet-processing stack that can run on commodity CPUs. The framework allows anyone to "plug in" new graph nodes without the need to change core/kernel code.
A VM is a tightly isolated software container that runs its own operating system and applications as if it were a physical computer. Because VMs are software, not only can you run them on any server but you can also suspend or freeze a VM and then you can
Single pane of Glass
A single pane of glass is a management console for the Cloud that presents data from multiple sources in a unified display. The glass, in this case, is a computer monitor or mobile device screen.
Cloud services need orchestration in order to work. Cloud orchestration uses service, workload and resource orchestration to do the following: