CloudTran CloudTran In computing, CloudTran, a transaction management product, enables applications running in distributed computing and cloud computing architectures to embed logical business transactions that adhere to the properties of ACID transactions. Specifically, CloudTran coordinates ACID transactionality for data stored within in-memory data grids (e.g., Oracle Coherence, GigaSpaces, and Gemfire), as well as from the data grid to persistent storage systems (e.g., Oracle, MySQL, Microsoft SQL Server, MongoDB). Distributed computing has traditionally relied on a technology called distributed transactions which is an algorithm used to coordinate the storing of a logically-related set of data within more than one database or computer.
On-board data handling that is reliable, usually with redundant processors. The processing power is made available to other applications which support the spacecraft bus, such as attitude control algorithms, thermal control, failure detection isolation and recovery. If the mission itself requires only a small amount of computing power (such as a small scientific satellite) then the payload may also be controlled by the software running on the OBC, to save launch mass and the considerable expense of a dedicated payload computer. On-board data handling The on-board data handling (OBDH) subsystem of a spacecraft is the subsystem which carries and stores data between the