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We propose a methodology to detect and isolate link failures in a weighted and directed network of identical multi-input multi-output LTI systems when only the output responses of a subset of nodes are available. Our method is based on the…

Systems and Control · Computer Science 2016-11-17 Mohammad Amin Rahimian , Victor M. Preciado

The past century of telecommunications has shown that failures in networks are prevalent. Although much has been done to prevent failures, network nodes and links are bound to fail eventually. Failure recovery processes are therefore…

Networking and Internet Architecture · Computer Science 2016-05-31 Niels L. M. van Adrichem , Farabi Iqbal , Fernando A. Kuipers

This paper introduces a network coding-based protection scheme against single and multiple link failures. The proposed strategy ensures that in a connection, each node receives two copies of the same data unit: one copy on the working…

Information Theory · Computer Science 2010-11-17 Ahmed E. Kamal , Aditya Ramamoorthy , Long Long , Shizheng Li

The security of the service and the system depends on the security of each of them components of this system. An attack on the routing protocol may be inaccurate functioning of the computer network. In some cases this is possible The…

Cryptography and Security · Computer Science 2017-12-05 P. D. Bojovic , K. Savic

In the rapidly evolving landscape of wireless networks, achieving enhanced throughput with low latency for data transmission is crucial for future communication systems. While low complexity OSPF-type solutions have shown effectiveness in…

Networking and Internet Architecture · Computer Science 2024-07-29 David Zenati , Tzalik Maimon , Kobi Cohen

With increasing share of renewables in power generation mix, system operators would need to run Optimal Power Flow (OPF) problems closer to real-time to better manage uncertainty. Given that OPF is an expensive optimization problem to…

Signal Processing · Electrical Eng. & Systems 2020-12-22 Alex Robson , Mahdi Jamei , Cozmin Ududec , Letif Mones

Network Function Virtualization (NFV) is enabling the softwarization of traditional network services, commonly deployed in dedicated hardware, into generic hardware in form of Virtual Network Functions (VNFs), which can be located flexibly…

Networking and Internet Architecture · Computer Science 2020-02-03 Francisco Carpio , Wolgang Bziuk , Admela Jukan

Network optimization has generally been focused on solving network flow problems, but recently there have been investigations into optimizing network characteristics. Optimizing network connectivity to maximize the number of nodes within a…

Physics and Society · Physics 2020-08-03 Jeremy Auerbach , Hyun Kim

Energy saving is currently one of the most challenging issues for the Internet research community. Indeed, the exponential growth of applications and services induces a remarkable increase in power consumption and hence calls for novel…

Networking and Internet Architecture · Computer Science 2022-07-04 Maurizio D'Arienzo , Simon Pietro Romano

We investigate the capability of localizing node failures in communication networks from binary states (normal/failed) of end-to-end paths. Given a set of nodes of interest, uniquely localizing failures within this set requires that…

Networking and Internet Architecture · Computer Science 2015-09-22 Liang Ma , Ting He , Ananthram Swami , Don Towsley , Kin K. Leung

We consider the problem of designing an overlay network and routing mechanism that permits finding resources efficiently in a peer-to-peer system. We argue that many existing approaches to this problem can be modeled as the construction of…

Data Structures and Algorithms · Computer Science 2007-05-23 James Aspnes , Zoe Diamadi , Gauri Shah

In the realm of Federated Learning (FL), particularly within the manufacturing sector, the strategy for selecting client weights for server aggregation is pivotal for model performance. This study investigates the comparative effectiveness…

Computer Vision and Pattern Recognition · Computer Science 2024-10-10 Vinit Hegiste , Tatjana Legler , Martin Ruskowski

In this paper, we develop a distributionally robust chance-constrained formulation of the Optimal Power Flow problem (OPF) whereby the system operator can leverage contextual information. For this purpose, we exploit an ambiguity set based…

Optimization and Control · Mathematics 2022-10-05 Adrián Esteban-Pérez , Juan M. Morales

Due to the computational complexity of finding almost shortest simple paths, we propose that identifying a larger collection of (nonbacktracking) paths is more efficient than finding almost shortest simple paths on positively weighted…

Data Structures and Algorithms · Computer Science 2017-11-08 David Burstein , Leigh Metcalf

Neural Architecture Search has proven an effective method of automating architecture engineering. Recent work in the field has been to look for architectures subject to multiple objectives such as accuracy and latency to efficiently deploy…

Machine Learning · Computer Science 2020-12-15 Vidhur Kumar , Andrew Szidon

With the increasing demands for real-time applications traffic in net- works such as video and voice a high convergence time for the existing routing protocols when failure occurred is required. These applications can be very sensitive to…

Networking and Internet Architecture · Computer Science 2011-08-09 Radwan Abujassar , Mohammed Ghanbari

We study the reliability maximization problem in WDM networks with random link failures. Reliability in these networks is defined as the probability that the logical network is connected, and it is determined by the underlying lightpath…

Networking and Internet Architecture · Computer Science 2013-01-21 Hyang-Won Lee , Kayi Lee , Eytan Modiano

In this paper, we proposed a fast recovery strategy for a dual link failure in elastic optical network. The elastic optical network is a promising solution to meet the next generation higher bandwidth demand. The survivability of high speed…

Networking and Internet Architecture · Computer Science 2020-03-06 Dinesh Kumar , Rajiv Kumar , Neeru Sharma

Link state routing protocols such as OSPF or IS-IS currently use only best paths to forward IP packets throughout a domain. The optimality of sub-paths ensures consistency of hop by hop forwarding although paths, calculated using Dijkstra…

Networking and Internet Architecture · Computer Science 2009-04-02 Pascal Mérindol , Jean-Jacques Pansiot , Stéphane Cateloin

We consider the problem of link scheduling for throughput maximization in multihop wireless networks. Majority of previous methods are restricted to graph-based interference models. In this paper we study the link scheduling problem using a…

Networking and Internet Architecture · Computer Science 2013-04-17 Yaqin Zhou , Xiang-Yang Li , Min Liu , Zhongcheng Li , Xiaohua Xu