Comparative Analysis and Research on the Airborne Software Standard of GJB 5000B and DO-178C
With the development and upgrading of modern military weapons and equipment,the airworthiness think-ing has been gradually introduced while the airborne software is managed according to the requirements of GJB 5000B in the implementation of the project. So that the military airborne software must not only meet the requirements of GJB 5000B but also meet the requirement of DO-178C. The two standards are analyzed and compared. GJB 5000B,like DO-178C,is a software assurance standard and covers the entire software life cycle,so both can directly guide software development and software product evaluation and review. Both standards adopt an incremental partition basd on a hierarchical model. However,DC-178C takes the requirement of seaworthiness as the starting point,empha-sizes the safety of software,and divides the level with the feature of increasing target. GJB 5000B divides the software capability of an organization into five maturity levels,each level is based on the improvement of the previous level,and the increase between levels shows the process of gradual development of software organizational capabilities. The characteristics,similarities and differences of the two standards are introduced,which provides the design and man-agement ideas for the entire lifecycle activities of airborne software.
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