Abstract
In the latest stock trading systems, massive stock information is becoming interoperable along with the advent of cloud environment. However, this stock information is hard to be operated due to the heterogeneity of metadata and schemas among the systems. Besides, there is also a problem in data optimization to overcome low delay on the transmission of stock information data. This study is to suggest a stock trading system using XDBaaS (XMDR-DataBase as a Service) in cloud environment. This system solves the problem of stock-related metadata’s heterogeneity by using XMDR. Also, it employs SPT(Safe Proper Time) in order to realize the proper timing of data among the systems and also the optimal rate of transmission and reliability.
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