The Space Station Information System and software support environment

A large part of the value of the US Space Station will reside in the information exchanged between it and the related ground facilities. To insure that this exchange is effective, the Space Station Information Systems (SSIS) has been identified as an explicit element of the program and a management structure has been put in place to oversee the development of the end-to-end system, including those elements not provided by NASA. The SSIS is an extensive collection of hardware (computers, networks, facilities) and software, whose primary purpose is to carry data between a space-based source and a ground-based user.<
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