Directory and authentication services system.

Reliable, ordered data transmission service.

Company providing access to networks.

Network-as-a-Service(NaaS) is a term used to describe the provision of computer networking technology to an organisation as an integrated service.

A professional network service (or, in an Internet context, simply a professional network) is a type of social network service that focuses on interactions and relationships for business opportunities and career growth, with less emphasis on activities in personal life.