The supplier(s) shall be able to provide a wide range of standard IT products and services, to include but not be limited to end user devices, audio visual equipment, network infrastructure, IT peripherals, infrastructure as a service (IaaS), platform as a service (PaaS), operating systems and utility software and a full range of commoditised and commercial software from different vendors, to include, but not be limited to open source licences, COTS licences, Software as a Service (SaaS), operating systems, middleware, utilities and information security software.