LONDON--(BUSINESS WIRE)--Nexenta (@Nexenta), the global leader in Open Source-driven Software-Defined Storage (OpenSDS) today announced that it has won Software Vendor of the Year at the European IT & Software Excellence awards. IT Europa’s European IT & Software Excellence Awards 2015 recognise best practices in customer solutions by Systems Integrators, Solution VARs, MSPs and ISVs across Europe. The Gala Awards dinner took place at the Lancaster London hotel on March 25 to honor this