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Reverse proxies are key performance elements of a content distribution network (CDN) and operate as intermediaries between client and upstream (or origin) server traffic. A typical reverse proxy server aims to distribute user workload, more or less equally, among multiple upstream servers. To keep the pace with the growing demand for content, CDNs regularly expand their capacity by adding extra upstream...
Server cluster systems are widely used to realize high performance and fault-tolerant information systems. In order to make a server cluster fault-tolerant, multiple replicas of each application process are performed on multiple servers. However, the larger electric energy is consumed in a server cluster due to redundant execution of multiple replicas. The redundant power consumption laxity-based...
In order to realize high performance information systems, server cluster systems are widely used. Here, since application processes are performed on multiple servers, the larger electric energy is consumed in a server cluster. The delay time-based (DTB) algorithm is discussed to select a server for each request process so that the total energy consumption of a server cluster to perform application...
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