What should the Architect do to mitigate Cross Origin Resource Sharing?

The customer wants to have an ecommerce website with several sites pages with the following criteria:

– AEM servers and the ecommerce platform are hosted and managed on different domains

– Timing constraints and ecommerce product evolution require that the cart and the products pages be delivered directly from ecommerce platform and not by AEM

– Part of the page is written using a SPA framework

What should the Architect do to mitigate Cross Origin Resource Sharing?
A . Use Server Side Include on AEM pages to display ecommerce data
B . Use OSGI services to make calls to the ecommerce platform
C . Use Ajax calls to make calls to the ecommerce platform
D . Use proxy server to separate traffic for AEM and ecommerce platforms

Answer: B