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Topological worms, such as those that propagate by following links in an overlay network, have the potential to spread faster than traditional random scanning worms because they have knowledge of a subset of the overlay nodes, and choose these nodes to propagate themselves; and also because they can avoid traditional detection mechanisms. Furthermore, this worm propagation strategy is likely to become...
The increasing scale and complexity of distributed system motivates the need for autonomous management. One of the key aspects in the management of distributed systems is the issue of component monitoring. Component monitoring is particularly challenging in large-scale dynamic systems, given the need to ensure that each component is monitored by at least one non-faulty component, despite joins, leaves,...
This paper proposes a distributed and scalable publish-subscribe broker with support for QoS. The broker, called IndiQoS, leverages on existing mechanisms to reserve resources in the underlying network and on an overlay network of peer-to-peer rendezvous nodes, to automatically select QoS-capable paths. By avoiding flooding of either QoS reservations or link-state information, IndiQoS is able to scale...
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