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Node failures may be frequent in MANETs, but there can be many different causes for those failures. Nodes may lose power, crash, or simply move out of range of other nodes in the network. Identifying the root cause is complicated by a lack of fixed monitoring and analysis infrastructure. Past research has focused on monitoring using either ping, heartbeat, or gossip-based approaches, which can incur...
Scientific workflows are an enabler of complex scientific analyses. They provide both a portable representation and a foundation upon which results can be validated and shared. Large-scale scientific workflows are executed on equally complex parallel and distributed resources, where many things can fail. Application scientists need to track the status of their workflows in real time, detect execution...
In this paper we propose a solution that allows traditional desktop management technologies designed for the corporate LAN environment — namely the widely available Windows Management Instrumentation (WMI) — to operate in domestic, SOHO and small organization environments. This solution is based on the integration of WMI with the Broadband Forum's CPE Wan Management Protocol (CWMP), an industry standard...
IT support organizations are in charge of restoring normal operations after IT service disruptions and can be complex systems. Thire performance assessment and optimization is an extremely challenging task that requires considering organization-specific structure, behavior, and business-level objectives. This paper presents Symian-Web, a decision support tool that enables IT managers to assess and...
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