CAJ | 학술논문

应用动态复制策略研究多媒体演示文档的相交子集到一个服务器集群的多个节点问题。针对复制选定的演示文档以达到负载平衡，同时避免在每个节点上整个的复制多媒体文档，提出了针对目前动态分组策略的一个开发，创建了一个可配置的选定演示文档副本的最小数，以增加其可用性。这些额外的副本以允许负载平衡的方式被分配在多个节点，使得节点失效时可以被修复。通过分拆复制，实现来自复制的负载平衡，以提高单独演示文档的可用性，控制可用性和存储成本之间的权衡。运用组通信服务对节点间通信的原型多媒体服务器集群的性能测试，实验结果证明了开发策略的有效性、可行性。
응용동태복제책략연구다매체연시문당적상교자집도일개복무기집군적다개절점문제。침대복제선정적연시문당이체도부재평형，동시피면재매개절점상정개적복제다매체문당，제출료침대목전동태분조책략적일개개발，창건료일개가배치적선정연시문당부본적최소수，이증가기가용성。저사액외적부본이윤허부재평형적방식피분배재다개절점，사득절점실효시가이피수복。통과분탁복제，실현래자복제적부재평형，이제고단독연시문당적가용성，공제가용성화존저성본지간적권형。운용조통신복무대절점간통신적원형다매체복무기집군적성능측시，실험결과증명료개발책략적유효성、가행성。
Dynamic Replication Strategies for multimedia presentations intersect a subset of the multiple nodes of a cluster of servers. Copy selected presentations in order to achieve load balancing, while avoiding replication on each node a multimedia document, put forward a development strategy for the dynamic grouping, to create a configurable minimum number of copies of selected presentations in order to increase its availability. These extra copies to allow load balancing to be assigned to multiple nodes, the node failure can be repaired. Split copy, from replication, load balancing, in order to improve the availability of a separate presentation, and control the trade-off between availability and cost of storage. Use of group communication services on the inter-node communication performance testing of the prototype multimedia server clusters, and experimental results demonstrate the effectiveness of the strategy development, feasibility.