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Several techniques have been developed to meet the demand for faster and more efficient access to the Internet. Among them a main role is acquired by the replication of the Web services. Replication can be addressed both by a cluster of servers and by servers geographically distributed in the Internet. In this paper we deal with geographical replication.(More)
In this paper we propose a power-saving strategy for accessing the Internet from a mobile computer. Firstly, we measure the power consumption of a mobile computer that uses a TCP connection to send/receive data from the Internet. These measurements indicate that, by adopting TCP, the power consumption is negatively affected by the congestion in the fixed(More)
Replication of Web Services has an important role among techniques that have been developed in order to meet the demand for faster and more efficient access to the Internet. Replication can be addressed both by a cluster of servers, and by servers geographically distributed in the Internet. In this paper, we focus on geographical replication. Two approaches(More)
The Capsule Reviews are intended to provide a short succinct review of each paper in the issue, in order to bring the content to a wider readership. A big limitation of a portable computer is the short life of its battery power. There does not seem to be a quick solution to the battery technology. For this reason, ways need to be found to utilize power(More)
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