27 June 2006 Pluggable services in the ATST software control system
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The Advanced Technology Solar Telescope (ATST) is designed as the premier ground-based solar telescope. With an expected lifetime of more than 25 years, a great deal of thought has been put into designing a software control system with the flexibility to adapt to changes in software technology through the lifetime of ATST. The goal is to have a software architecture that can be readily adapted to advances in software technologies. A significant aspect of this architecture is its independence from third-party tools, particularly communications middleware. This independence is achieved through a carefully-layered design that facilitates the process of replacing one service implementation with another by separating the functional and technical infrastructures within a container/component model. The paper presents the details of how ATST implements this separation and allows the quick replacement of one service implementation with another implementation using a toolbox metaphor. The toolbox provides a consistent external interface to services and service-related data while providing an internal interface that supports dynamic replacement of one service plugin with another.
© (2006) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Steve Wampler, "Pluggable services in the ATST software control system", Proc. SPIE 6274, Advanced Software and Control for Astronomy, 627411 (27 June 2006); doi: 10.1117/12.669696; https://doi.org/10.1117/12.669696


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