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What is High Availability

Chapter 159
Encyclopedia of Networked and Virtual Organizations
A processing and communications system that can quickly recover and hide the failure of one of its components. As opposed to fault tolerant systems, high available systems can have a short downtime period, but processing and communications will continue; also called reliability, availability, serviceability (RAS) as well as fault resilient.
Published in Chapter:
Performance Analysis of Peer-to-Peer Traffic
Federico Montesino Pouzols (University of Seville, Spain), Angel Barriga Barros (University of Seville, Spain), Diego R. Lopez (RedIRIS, Spain), and Santiago Sánchez-Solano (CSIC - Scientific Research Council, Spain)
Copyright: © 2008 |Pages: 6
DOI: 10.4018/978-1-59904-885-7.ch159
Abstract
Peer-to-peer (P2P) networks have recently emerged as an attractive solution to enable large-scale content distribution without requiring major infrastructure investments. Recent developments have led to a significant maturity increase of peer-to-peer technologies, which are currently available as tools for performing core tasks in virtual and networked organizations.
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Chapter 8
Mastering Cloud Scalability: Strategies, Challenges, and Future Directions: Navigating Complexities of Scaling in Digital Era
High availability refers to a system's ability to remain operational and accessible, even in the face of hardware or software failures.
Published in Chapter: Mastering Cloud Scalability: Strategies, Challenges, and Future Directions: Navigating Complexities of Scaling in Digital Era; From: Emerging Trends in Cloud Computing Analytics, Scalability, and Service Models
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Chapter 3
Database Systems for Big Data Storage and Retrieval
Assurance that all clients of an application can always read data from and write data to the application.
Published in Chapter: Database Systems for Big Data Storage and Retrieval; From: Handbook of Research on Big Data Storage and Visualization Techniques
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