Need to know

View stories from
What is Calling Line Identity?
15 Dec 2010

Calling Line Identity (CLI) is a method by which inbound calls made to a business or individual can be identified by their number of origin and, in some cases, the name of the person or organisation that is associated with the number.

What is virtualisation?
15 Oct 2010

Virtualisation involves the migration of systems from the physical to the virtual (P2V), moving them from the original physical hardware to virtual operating environments.

What is a smart grid?
15 Sep 2010

The grid that delivers electricity to end users – the infrastructure from high-voltage power lines and substations to house meters – is undergoing radical change and becoming intelligent.

Broadband over power lines
01 Jan 2010

Broadband over power lines (BPL) is a way of transmitting data over a standard electricity network, where high-frequency radio waves are modulated with the digital signals from the internet. Data is sent over the same power line as the AC current, with both able to coexist as they use different frequency bands.

What is cloud computing
01 Jan 2010

Cloud computing is not an especially new concept, despite the current buzz that surrounds it.

What is IPX?
01 Jan 2010

The IP packet exchange network (IPX) is a multi-service IP interconnect and transport network that has been constructed on four cornerstones: security, quality of service (QoS), cascading billing payments and open protocol standards.

What is microwave backhaul?
01 Jan 2010

Microwave backhaul refers to the transportation of traffic (voice, video and data) between distributed sites and a more centralised point of presence via a radio link.

What is NaaS?
01 Jan 2010

Network as a Service (NaaS) refers to the application of the Software as a Service (SaaS) Web 2.0 model to open the intelligence and functionality operators have within their networks to third-party organisations, such as application providers.

What is passive infrastructure sharing?
01 Jan 2010

Passive infrastructure sharing involves multiple operators sharing the same passive infrastructure as a means to reduce the costs associated with real estate, access rights and preparing sites for the requirements of active infrastructure.

What is VPLS?
01 Jan 2010

Virtual private LAN service (VPLS) is a means by which Ethernet-based multipoint-to-multipoint communication can be provided over IP/MPLS networks.