Mary Luz Mouronte

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SDH (Synchronous Digital Hierarchy) is the standard technology for information transmission in broadband optical networks. Unlike the Internet, SDH networks are strictly planned — rings, meshes, stars or tree-branches topologies are designed to connect their basic elements. In this work we show that the SDH network operated by Telefónica in Spain presents a(More)
SDH (Synchronous Digital Hierarchy) is a strictly planned system. Rings, meshes, stars or tree-branches topologies are designed to connect its basic elements. In spite of that, we have found that the SDH network operated by Telefónica-España displays complex traits like other complex networks. In particular we have found power-law scaling in the(More)
To keep up with rapidly changing conditions, business systems and their associated networks are growing increasingly intricate as never before. By doing this, network management and operation costs not only rise, but are difficult even to measure. This fact must be regarded as a major constraint to system optimization initiatives, as well as a setback to(More)
The intended objective of this work is the route lookup optimization in a data transmission network taking into account its structure (deployed elements and their features), its technological characteristics (including boundary conditions, especially the energy cost of the elements belonging to the route with the best energy efficient path). This(More)
This paper explores the use of dynamic software variability techniques to manage Wireless Sensor and Actuator Networks (WSANs), and we describe both an architecture and a dynamic software variability mechanism that can be integrated in WSAN scenarios. Our main goal is to apply runtime variability to describe the context-aware properties of a WSAN family and(More)