sentences:  Essential elements of an SOAIF include design-time and run-time infrastructure, together with service-oriented tools for deploying distributed processes and implementation flows.The core infrastructure of an SOAIF is typically provided by an enterprise service bus (ESB), which addresses the challenges in composing, deploying, and managing distributed, service-based enterprise applications.The ESB incorporates a standards-based, enterprise-class messaging backbone, together with enhanced systems connectivity using web services, Java EE, .NET Framework, and other standards.