Definitions
From a network function (NF) to a DSP, a few definitions are in order before proceeding.
One or more communication connections between different computing devices comprise a network. An NF, as we know it, is the transmission of data between those physical devices while adhering to certain rules. For instance:
- Distribution of data to a pool of servers by a load balancer is an example of an NF
- Filtering of data and deciding which data is safe to consume by a firewall is another example of an NF
As the name suggests, a virtual NF (VNF) is a virtualized version where the NF is implemented using software.
Gartner (https://www.gartner.com/en/information-technology/glossary/csp-communications-service-provider) defines a CSP as someone who offers telecommunications services leveraging the landline or wireless network infrastructure. While CSP is a generic term, you will hear internet SP (ISP), which provides internet services, or telecommunication SP (TSP...