Gajus - Fotolia
Here are Computer Weekly's top 10 networking news stories of 2015:
An undisclosed fault on communications provider Level 3’s global fibre network caused an internet slowdown affecting a number of different services around the world.
A number of internet service providers (ISPs) took the step of disabling transit across the Level 3 network in an attempt to mitigate the slowdown.
Incumbent radio network operator Airwave and mobile network operator Vodafone were both dropped from the tender process for the new Emergency Services Network (ESN) in the face of intense competition.
The Competition and Markets Authority ran the rule over Three's proposed acquisition of O2 as it made up its mind over whether or not BT should be allowed to acquire EE.
A report from the Energy and Climate Change Committee warned that plans to install smart meters across the UK by 2020 were veering off-track.
Vodafone became the second UK mobile operator after EE to give customers the ability to place voice calls over a wireless network connection.
Cisco’s COO and sales chief both left the supplier as Chuck Robbins took over as CEO from John Chambers in July 2015.
Detectives dismantle a criminal operation suspected of importing, exporting and selling fake Cisco hardware.
BT reached a definitive agreement with mobile operator EE to acquire it for £12.5bn.
Cisco’s Application Centric Infrastructure customer base doubled in three months as its software-defined networking model gained traction.
Networking suppliers Nokia and Alcatel-Lucent hooked up in an £11.2bn deal with grand aims when it comes to network innovation.