Service orchestration techniques combine the benefits of Service Oriented Architecture (SOA) and Business Process Management (BPM) to compose and coordinate distributed software services. On the other hand, Software-as-a-Service (SaaS) is gaining popularity as a software delivery model through cloud platforms due to the many benefits to software vendors, as well as their customers. Multi-tenancy, which refers to the sharing of a single application instance across multiple customers or user groups (called tenants), is an essential characteristic of the SaaS model.Written in an easy to follow style with discussions supported by real-world examples, Service Orchestration as Organization introduces a novel approach with associated language, framework, and tool support to show how service orchestration techniques can be used to engineer and deploy SaaS applications.- Describes the benefits as well as the challenges of building adaptive, multi-tenant software service applications using service-orchestration techniques- Provides a thorough synopsis of the current state of the art, including the advantages and drawbacks of the adaptation techniques available- Describes in detail how the underlying framework of the new approach has been implemented using available technologies, such as business rules engines and web services