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We present our research on active caching in the WWW. We drew some key conclusions on the service properties and its significance, according to the results of our analysis of the WWW content. These conclusions include the percentage values of the potential ...
The ever-growing popularity of the Internet is dramatically changing the landscape of the communications market place. The two separate worlds of the Internet and Telecommunications are converging. The respective advantages of the two environments are bein ...
The ever-growing popularity of the Internet is dramatically changing the landscape of the communications marketplace. The two separate worlds of the Internet and Telecommunications are converging. The respective advantages of the two environments are being ...
Using virtual humans to represent participants promotes realism in networked VEs. Different message types used to animate the human body and face impose varying network requirements, as analyzed here ...
Railways and mass transit transportation systems are experiencing a new growth that will have an important social impact in the global transport domain. Therefore new important steps are required to advance the urgent needs, such as interoperability at tra ...
Current charging mechanisms in the Internet are restricted mainly to volume and time of the day. We propose a mechanism which allows to use additional information for charging in the edges and core of the network. Links or network clouds will have weights ...
The ever-growing popularity of the Internet is dramatically changing the landscape of the communications marketplace. The two separate worlds of the Internet and Telecommunications are converging. The respective advantages of the two environments are being ...
This paper presents ModelNet, a scalable Internet emulation environment that enables researchers to deploy unmodified software prototypes in a configurable Internet-like environment and subject them to faults and varying network conditions. Edge nodes runn ...
This paper uses statistical data from the annual R&D survey of financial flows received or spent by the firm for R&D activities. To describe R&D networks, attention is focused on the construction of four synthetic proxies from empirical literature on socia ...
We present a number of experiments showing that for compute-intensive applications executing in parallel on clusters of workstations, message logging has higher failure-free overhead than coordinated checkpointing. Message logging protocols, however, resul ...
