This blog post explain how to create a Social eCommerce solution using opensource applications such as Liferay Portal, Konakart eCommerce and WSO2 ESB.
We have developed several Liferay Portlets for creating the frontend store, they call Konakart’s SOAP API exposed via WSO2 ESB increasing performance (i/o), speed (cache), versioning, security, etc.
For further details, you can check this URL:
http://holisticsecurity.wordpress.com/2013/06/25/building-social-ecommerce-solution
We hope that be useful.