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Consistency Models for Cloud-based Online Games: the Storage System’s Perspective
"... The existing architecture for massively multiplayer online role-playing games (MMORPG) based on RDBMS limits the availability and scalability. With increasing numbers of players, the storage systems become bottlenecks. Although a Cloud-based architecture has the ability to solve these specific issue ..."
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The existing architecture for massively multiplayer online role-playing games (MMORPG) based on RDBMS limits the availability and scalability. With increasing numbers of players, the storage systems become bottlenecks. Although a Cloud-based architecture has the ability to solve these specific issues, the support for data consistency becomes a new open issue. In this paper, we will analyze the data consistency requirements in MMORPGs from the storage system point of view, and highlight the drawbacks of Cassandra to support of game consistency. A timestamp-based solution will be proposed to address this issue. Accordingly, we will present data replication strategies, concurrency control, and system reliability as well. 1.
CloudCraft: Cloud-based Data Management for MMORPGs
"... Abstract. Massively Multiplayer Online Role-Playing Games (MMORPGs) are very sophisticated applications, which have significantly grown in popularity since their early days in the mid-90s. Along with growing numbers of users the require-ments on these systems have reached a point where technical pro ..."
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Abstract. Massively Multiplayer Online Role-Playing Games (MMORPGs) are very sophisticated applications, which have significantly grown in popularity since their early days in the mid-90s. Along with growing numbers of users the require-ments on these systems have reached a point where technical problems become a severe risk for the commercial success. Within the CloudCraft project we investi-gate how Cloud-based architectures and data management can help to solve some of the most critical problems regarding scalability and consistency. In this article, we describe an implemented working environment based on the Cassandra DBMS and some of the key findings outlining its advantages and shortcomings for the given application scenario.
