Changeover+methods

=Changeover methods =

When changing over from an old system to a new system there are three different ways an organisation may choose to do this: direct, phased and parallel running

Direct

Phased

Parallel running

An excellent example of **Direct Changeover** can be found here.

Internally they are calling it The Big Switch, and it is the culmination of one of the biggest ever technology upgrades in the region, and the biggest in Etihad's 10 years in business. @http://www.thenational.ae/thenationalconversation/industry-insights/aviation/etihad-airways-ready-for-the-big-switch