WASHINGTON--(BUSINESS WIRE)--Virtustream, the enterprise-class cloud software and services provider, today announced its xStream cloud management platform (CMP) software is now certified as Vblock® Ready for VCE® Vblock Systems. Targeting customers running SAP applications, xStream will enable enterprises to easily move existing mission-critical workloads to Vblock System-based Private or Hybrid cloud environments, gaining performance and security improvements without re-engineering software. V