ShapeBlue is an expert company in building public and private clouds. They specialize in deploying the open source CloudStack cloud infrastructure software and surrounding systems. The document discusses Network Functions Virtualization (NFV), how it relates to CloudStack's existing virtual router capabilities, and some potential future enhancements to CloudStack to better support NFV use cases and topologies. These include adding new network types like layer 2 networks, improving support for multi-device topologies through a new "Enterprise Topology" virtual router, and integrating virtualized network functions as configurable network providers.