A number of Microsoft&#x27;s own services -- including Office 365 business, Office 365 consumer, Bing and Xbox Live -- are not running on its Azure cloud backbone. They are still running on their own custom stacks and datacenters.<a href="http:&#x2F;&#x2F;www.zdnet.com&#x2F;article&#x2F;microsoft-is-on-a-quest-to-move-more-of-its-cloud-services-to-azure&#x2F;" rel="nofollow">http:&#x2F;&#x2F;www.zdnet.com&#x2F;article&#x2F;microsoft-is-on-a-quest-to-move...</a>