Information Security – Theory vs. Reality
Exploring the concept of fault attacks in hardware security, this lecture delves into the various techniques used to compromise systems through non-nominal and nominal channels, as well as the potential risks introduced by trojan horses in the IT supply chain. The discussion includes differential fa
1 views • 37 slides
Cisco Systems Fault Managed Power Portfolio Overview
Cisco Systems offers an industry-leading Fault Managed Power (FMP) patent portfolio comprising 24 active assets across seven INPADOC families. The portfolio includes patents supporting fault-managed power systems, PoE deployments, DC power distribution, DC-DC conversion, and HVDC connectors. The FMP
4 views • 4 slides
Overview of Distributed Systems: Characteristics, Classification, Computation, Communication, and Fault Models
Characterizing Distributed Systems: Multiple autonomous computers with CPUs, memory, storage, and I/O paths, interconnected geographically, shared state, global invariants. Classifying Distributed Systems: Based on synchrony, communication medium, fault models like crash and Byzantine failures. Comp
9 views • 126 slides
Power System Fault Calculation and Protection Analysis
In this technical document, we delve into the calculation of fault current and fault apparent power in symmetrical three-phase short circuit scenarios within power systems. Through detailed equivalent circuit diagrams, reactance calculations, and per unit value derivations, the fault current and app
5 views • 15 slides
Understanding Information Systems in Organizational Management
Management in organizations is divided into three levels: operational, tactical, and strategic. Each level requires different information systems to support various activities. Operational systems focus on routine transactions and control processes, while middle-level systems aid in semi-structured
8 views • 39 slides
Research Group: Applied Electronics and Electric Drives
This research group, led by Petr Palacky, Ph.D., focuses on the development and implementation of new control methods for electric drives, modernization of electronic equipment in industrial electronics, and optimization of electric drives. They explore sensorless AC drives, artificial intelligence-
0 views • 4 slides
Introduction to Spark Streaming for Large-Scale Stream Processing
Spark Streaming, developed at UC Berkeley, extends the capabilities of Apache Spark for large-scale, near-real-time stream processing. With the ability to scale to hundreds of nodes and achieve low latencies, Spark Streaming offers efficient and fault-tolerant stateful stream processing through a si
0 views • 30 slides
Smart Photovoltaics: Enhancing Fault Detection and Positioning
Smart photovoltaics (PV) technology aims to improve fault detection and positioning in large-scale PV systems. By equipping PV modules with AMP devices, real-time monitoring of environmental conditions and system status is enabled. The proposed automated troubleshooting method enhances efficiency in
0 views • 8 slides
Understanding Byzantine Fault Tolerance in Distributed Systems
Byzantine fault tolerance is crucial in ensuring the reliability of distributed systems, especially in the presence of malicious nodes. This concept deals with normal faults, crash faults, and the challenging Byzantine faults, where nodes can exhibit deceptive behaviors. The Byzantine Generals Probl
0 views • 29 slides
Understanding Fault Diagnosis in Mechanical and Electrical Systems
Explore the essential methods and techniques for fault diagnosis in mechanical and electrical systems in industrial settings. Learn to identify different types of faults, utilize fault-finding aids, and rectify issues promptly to prevent future failures. Discover industry-recognized fault diagnosing
2 views • 27 slides
Doctrine of In Pari Delicto in Legal Context
The doctrine of in pari delicto (Latin for "in equal fault") dictates that when parties are equally at fault, the possessor's condition is considered better, meaning a person engaged in wrongdoing cannot sue another for the same act. Exceptions include the adverse interest and innocent insider excep
0 views • 4 slides
Customer Controlled SFI (CCSFI) Fault Raising Guide
This guide by British Telecommunications plc provides detailed instructions on raising a Customer Controlled Special Faults Investigation (CCSFI) fault. It covers topics such as Version Control, Best Practices for Knowledge Based Diagnostics (KBD) and CCSFI, logging in, and step-by-step guidance for
0 views • 19 slides
Understanding Byzantine Fault Tolerance: A Comprehensive Overview
Byzantine Fault Tolerance (BFT) is a critical concept in computer science, addressing faults in distributed systems. This summary covers the types of faults (normal, crash, Byzantine), implications of Byzantine faults, Byzantine Generals Problem, impossibility results, and the complexity of solving
3 views • 29 slides
Guide to Raising a Fault with British Telecommunications plc
This guide by British Telecommunications plc provides detailed instructions on raising a fault, including best practices, version control, and using Knowledge Based Diagnostics (KBD) for diagnosing 21C copper and fibre broadband issues. It covers logging in, running KBD, accessing fault reporting to
0 views • 15 slides
Understanding Seismic Source Parameters in Earthquake Dynamics
The seismic source parameters in earthquake dynamics involve describing a fault as a discontinuity causing displacements, requiring a complex treatment of forces. The Earth's equilibrium necessitates a specific system of forces to explain displacements along faults. The seismic moment tensor, consis
4 views • 32 slides
Understanding MapReduce in Distributed Systems
MapReduce is a powerful paradigm that enables distributed processing of large datasets by dividing the workload among multiple machines. It tackles challenges such as scaling, fault tolerance, and parallel processing efficiently. Through a series of operations involving mappers and reducers, MapRedu
7 views • 32 slides
Understanding Fault-Tolerant Systems and Data Recovery Strategies
Explore the concepts of fault-tolerant systems, disaster recovery, high availability, and database technologies for ensuring the safety of information systems. Learn about uptime, downtime, MTBF, and MTTR, along with IBM's disaster recovery layers and solutions like redundancy, replication, and dive
1 views • 27 slides
Health IT Systems Maintenance: Fault-Tolerant Strategies and Backup Best Practices
Explore the essential practices for creating fault-tolerant IT systems in healthcare, including risk assessment, backup strategies, and decommissioning guidelines. Learn about the importance of backups, backup strategies, and the challenges of maintaining system availability 24/7.
0 views • 17 slides
Understanding Storage Systems Dependability
This content discusses storage systems dependability, covering topics such as data reliability, fault-tolerant techniques, error detection and correction, component levels, disk protection techniques, types of disk faults, and protection mechanisms like RAID and ECC. It provides insights into ensuri
1 views • 25 slides
Geometric Routing Concepts and Byzantine Fault Tolerance
Geometric Routing enables routing without overhead, where each node knows its global coordinates and forwards messages based on proximity to the destination. Byzantine Faults pose challenges with arbitrary node behavior, but a Byzantine-Robust Geometric Routing algorithm addresses this in a 3-connec
2 views • 33 slides
Understanding Software Reliability Engineering Concepts
Explore the key topics of availability, reliability requirements, fault-tolerant architectures, and programming for reliability in software engineering. Learn about different types of faults, errors, and failures, along with strategies for fault management and avoidance to enhance software dependabi
0 views • 83 slides
Raft Consensus Algorithm Overview
Raft is a consensus algorithm designed for fault-tolerant replication of logs in distributed systems. It ensures that multiple servers maintain identical states for fault tolerance in various services like file systems, databases, and key-value stores. Raft employs a leader-based approach where one
0 views • 34 slides
Tectonics of Death Valley Region, California: A Geological Study
This study delves into the intricate tectonic processes of the Death Valley region in California, focusing on strike-slip and dip-slip fault systems, tensional and compressional stress, and the implications of NE-SW horizontal shortening and NW-SE relative extension. It explores the unique features
0 views • 10 slides
Fault Location and Detection in Smart Grids
Fast and accurate fault detection and location are crucial in power grid management, especially in smart grids with bidirectional power flow. This study explores various fault location methods including impedance-based and travelling waves-based approaches. It also discusses the use of Intelligent E
0 views • 10 slides
Fault-tolerant and Load-balanced VuFind Project Overview
Project Background: Part of the National Digital Library initiative, the VuFind project aims to provide a discovery interface for Finnish archives, libraries, and museums. It started development in 2012 due to the insufficiency of existing commercial products. The focus is on enhancing fault toleran
1 views • 19 slides
Fault Localization (Pinpoint) Project Proposal Overview
The Fault Localization (Pinpoint) project proposal aims to pinpoint the exact source of failures within a cloud NFV networking environment by utilizing a set of algorithms and APIs. The proposal includes an overview of the fault localization process, an example scenario highlighting the need for fau
0 views • 12 slides
Understanding MapReduce System and Theory in CS 345D
Explore the fundamentals of MapReduce in this informative presentation that covers the history, challenges, and benefits of distributed systems like MapReduce/Hadoop, Pig, and Hive. Learn about the lower bounding communication cost model and how it optimizes algorithm for joins on MapReduce. Discove
0 views • 60 slides
Enhancing Riparian Zones: A Guide to Native Salt-Tolerant Plants at Cornhill Nursery
This guide provides information on various native salt-tolerant plant species available at Cornhill Nursery for enhancing riparian zones. It includes details on roses, fruiting shrubs like elderberry and red raspberries, shrubs such as witch hazel and wild raisin, deciduous trees like paper birch an
0 views • 15 slides
Enhancing Data Storage Reliability with High-Parity GPU-Based RAID
The research discusses the challenges faced by traditional RAID systems in maintaining data reliability and proposes a solution using High-Parity GPU-Based RAID. It highlights the limitations of current technologies in fault tolerance, the inaccuracies in disk failure statistics, and the significanc
0 views • 13 slides
Understanding RAID 5 Technology: Fault Tolerance and Degraded Mode
RAID 5 is a popular technology for managing multiple storage devices within a single array, providing fault tolerance through data striping and parity blocks. This article discusses the principles of fault tolerance in RAID 5, the calculation of parity blocks, handling degraded mode in case of disk
0 views • 12 slides
Advanced Topics in Control System Design and Implementation
Delve into the complexities of control system design, from system identification to modern control techniques. Explore the challenges of designing controls for systems like interferometers and discuss the integration of classical and modern control theories. This workshop offers insights on optimal
0 views • 19 slides
Information Systems in Organizations: Overview and Implementation
Information systems play a crucial role in organizations, encompassing transaction processing systems, functional area information systems, and enterprise resource planning systems. This content delves into the purpose of transaction processing systems, the support provided by information systems ac
0 views • 30 slides
Distributed Software Engineering Overview
Distributed software engineering plays a crucial role in modern enterprise computing systems where large computer-based systems are distributed over multiple computers for improved performance, fault tolerance, and scalability. This involves resource sharing, openness, concurrency, and fault toleran
0 views • 66 slides
PSync: A Partially Synchronous Language for Fault-tolerant Distributed Algorithms
PSync is a language designed by Cezara Drăgoi, Thomas A. Henzinger, and Damien Zufferey to simplify the implementation and reasoning of fault-tolerant distributed algorithms. It introduces a DSL with key elements like communication-closed rounds, an adversary environment model, and efficient runtim
0 views • 22 slides
Evolution of Upstream Burst Structure in 100G EPON Networks
Explore the advancements in upstream burst structure for 100G EPON networks discussed in IEEE 802.3 Working Group meetings. Key topics covered include burst loss probabilities, synchronization issues, SoB requirements, and the importance of burst delimiters. Updated analyses using MATLAB scripts and
0 views • 18 slides
Understanding Intrusion Detection Systems (IDS)
Intrusion Detection Systems (IDS) are software pieces that monitor computer systems to detect unauthorized intrusions and misuse, responding by logging activity, notifying authorities, and taking appropriate countermeasures. IDS help address security challenges, aiming to find and fix serious securi
0 views • 40 slides
Understanding the Raft Consensus Algorithm: Basics and Leader Election
Raft is a consensus algorithm designed by Diego Ongaro and John Ousterhout at Stanford University for practical systems. It simplifies understanding through leader-follower structure and terms for leader election. Nodes transition between Follower, Leader, and Candidate states, initiating elections
0 views • 21 slides
The Raft Consensus Algorithm: Simplifying Distributed Consensus
Consensus in distributed systems involves getting multiple servers to agree on a state. The Raft Consensus Algorithm, designed by Diego Ongaro and John Ousterhout from Stanford University, aims to make achieving consensus easier compared to other algorithms like Paxos. Raft utilizes a leader-based a
0 views • 26 slides
Fault-Tolerant Replicated Systems in Computing
Overview of fault-tolerant replicated state machine systems in computing, covering topics such as primary-backup mechanisms, high availability extensions, view changes on failure, leader election, and consensus protocols for replicated operations. The content emphasizes the importance of leaders in
0 views • 38 slides
Fault-Tolerant Engineered Networks Overview
Explore the design and challenges of fault-tolerant engineered networks such as FatTrees, with a focus on recovery strategies, topology innovations, and failure detection mechanisms. Learn about the co-design of topology, routing protocols, and failure detectors for optimal performance in data cente
0 views • 27 slides