What is 1&1 Dual Hosting?

http://www.1and1.com – Dual Hosting was introduced in 2011 to provide 1&1 customers with excellent up-time and reliability. In this video, Ryan Cieslak (1&1 US/CA Product Marketing Manager) explains how Dual Hosting works and the benefits that Geo-redundancy and real-time synchronization provide to 1&1 Web hosting customers.

Duration: 2:33
Publisher: 1&1 Internet, Inc.
You can watch this video also at the source.