Fault-tolerant software for the FTMP

final engineering report by Herbert Hecht

Publisher: National Aeronautics and Space Administration, Langley Research Center in Hampton, Va

Written in English
Published: Downloads: 664
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Subjects:

  • Fault-tolerant computing.,
  • Multiprocessors.

Edition Notes

Other titlesFault tolerant software for the FTMP.
StatementHerbert Hecht and Myron Hecht.
SeriesNASA contractor report -- 166070., NASA contractor report -- NASA CR-166070.
ContributionsHecht, Myron., Langley Research Center., SoHaR Incorporated., Charles Stark Draper Laboratory.
The Physical Object
FormatMicroform
Pagination1 v.
ID Numbers
Open LibraryOL16119014M

KANOUN ET AL.: RELIABILITY GROWTH OF FAULT-TOLERANT SOFTWARE h~~(t) is non-increasing with time when 0 c w c 1, from h(0) = us',, + GCs to h(-) = rd (see figure 1). I > Time Figure 1. Failure Intensity of the Hyperexponential Model The transformation approach is based on interpreting the. Patterns for Fault Tolerant Software Robert S. Hanmer Alcatel-Lucent Naperville, IL 18 0 YWILEY BICENTENNIAL John Wiley & Sons, Ltd. Patterns for Fault Tolerant Software was published in (Wiley). It contains sixty-three patterns related to designing software to tolerate faults with the goal of high availability. The patterns all presuppose a traditional software on hardware operating model that was prevalent in the computing industry up to the : Robert S. Hanmer. Section 2 summaries fault-tolerant techniques and section 3 discuss the Fault Tolerant Deadline paper. 2. Techniques for Fault Tolerance Fault tolerance is the ability to continue operating despite the failure of a limited subset of their hardware or software. So the goal of the systemAuthor: A. Christy Persya, T. R. Gopalakrishnan Nair.

Read the Foreword to the book and comments about it from experts in the field. Simulator View the Fault-Tolerant Systems Simulator, a collection of online simulations of algorithms explained in the book. AVIZIENIS: N-VERSION APPROACH TO FAULT-TOLERANT SOFTWARE bers the set of good (similar) results at a decision point, then the decision algorithm will arrrive at an erroneous decision result. For example, two similar errors will out- weigh one good result in the three-version case, anda set ofthree similar errors will prevail overaset oftwosimilar good results wheni N= 5. All possible errors File Size: 4MB.   ALSO CALLED: Fault-tolerance, Fault Tolerant, FT DEFINITION: SFT III is a feature providing fault-tolerance in Intel-based PC network server running Novell's NetWare operating system. SFT III allows two servers to mirror each other so that one server is always available in case the other one fails. (Novell doesn't say whether SFT is an abbreviation for something. Fault-tolerant systems Systems, predominantly computing and computer-based systems, which tolerate undesired changes in their internal structure or external environment. Such changes, generally referred to as faults, may occur at various times during the evolution of a system, beginning with its specification and proceeding through its utilization.

2. Management of hardware failures in software 3. Management of network failures We will follow the classical definition (1) due to Avizienis in Purdue University 4 ECE /CS Motivation for Software Fault Tolerance Usual method of software reliability is fault avoidance using good software engineering methodologies. ©G. Khan Fault-Tolerant Embedded Systems. Some Software Failures. Software failure lead to partial/total system crashes. Existing fault-tolerant clock synchronization algorithms are compared and contrasted. These include the following: software synchronization algorithms, such as convergence-averaging, convergence-nonaveraging, and consistency algorithms, as well as probabilistic synchronization; hardware synchronization algorithms; and hybrid by: Techniques of Software Fault Tolerance Dr. K.C. Joshi Computer Center, IASE, M.J.P. Rohilkhand University, Bareilly India Email: [email protected] ABSTRACT Fault tolerance is the ability of a system to perform its function correctly even in the presence of internal faults.

Fault-tolerant software for the FTMP by Herbert Hecht Download PDF EPUB FB2

Technical assistance In fault tolerant software development for the Fault Tolerant Multlprocessor (FTMP). Thls report satlsfles Item of the subcontract. The FTMP is a highly reliable computer Intended to service reliability-critical applications In scheduled aircraft servlce.

Work on the architecture to provideFile Size: 2MB. Genre/Form: Online resources: Additional Physical Format: Microfiche: Hecht, Herbert. Fault-tolerant software for the FTMP.

Hampton, Va.: National Aeronautics and. Software fault tolerance is the ability of computer software to continue its normal operation despite the presence of system or hardware faults.

Fault-tolerant software. Additional Physical Format: Online version: Hecht, Herbert. Fault-tolerant software for the FTMP. Hampton, Virginia: National Aeronautics and Space Administration, Langley. Software Fault Tolerance 1st Edition by Michael R. Lyu (Editor) ISBN ISBN Why is ISBN important.

ISBN. This bar-code number lets you verify that you're getting exactly the right version or edition of a book. The digit and digit formats both work.

Format: Paperback. Fault-Tolerant Systems is the first book on fault tolerance design with a systems approach to both hardware and software. No other text on the market takes this approach, nor offers the comprehensive and up-to-date treatment that Koren and Krishna provide.

Software patterns have revolutionized the way developer’s and architects think about how software is designed, built and documented. This new title in Wiley’s prestigious Series in Software Design Patterns presents proven techniques to achieve patterns for fault tolerant software.

This is a key reference for experts seeking to select a technique appropriate for a given by:   The complete text of “Software Fault Tolerance”, written by Michael R. Lyu, is available in pdf format. The book is intended for practitioners and researchers who are concerned with the dependability of software systems.

Since the publication of the first edition of this book in much research has been conducted, and many papers have been written, on the subject of fault tolerance. Our aim then was to present for the first time the principles of fault tolerance together with current practice to illustrate those principles.

Software fault tolerance is an immature area of research. As more and more complex systems get designed and built, especially safety critical systems, software fault tolerance and the next generation of hardware fault tolerance will need to evolve to be able to solve the design fault problem.

ESS which uses a distributed system controlled by the 3B20D fault tolerant computer. The largest commercial success in fault-tolerant computing has been in the area of transaction processing for banks, airline reservations, etc.

Tandem Computers, Inc. was the first major producer and is the current leader in this market. The design approach is a.

Fault tolerance is the property that enables a system to continue operating properly in the event of the failure of (or one or more faults within) some of its components. If its operating quality decreases at all, the decrease is proportional to the severity of the failure, as compared to a naively designed system, in which even a small failure can cause total breakdown.

It would be very difficult to sum it up in one article since there are multiple ways to achieve fault tolerance in software. These principles deal with Desktop, Server applications and/or SOA.

Also there are multiple methodologies, few of which we already follow without knowing; Exception handling for example. Since the publication of the first edition of this book in much research has been conducted, and many papers have been written, on the subject of fault tolerance.

Our aim then was to present for the first time the principles of fault tolerance together with. FTMP--A HIGHLY RELIABLE FAULT-TOLERANT MULTIPROCESSOR FOR AIRCRAFT.

FTMP is a digital computer architecture which has evolved over a ten-year period in connection with several life-critical aerospace applications. Most recently it had been proposed as a fault-tolerant central computer for civil transport aircraft by:   Fault-Tolerant Systems is the first book on fault tolerance design with a systems approach to both hardware and software.

No other text on the market takes this approach, nor offers the comprehensive and up-to-date treatment that Koren and Krishna : Elsevier Science.

Submit your book and we will publish it for free. Fault-Tolerant Systems Pdf. That’s the work of fault-tolerant designers and their work is increasingly more crucial and complicated not solely because of the rising number of “mission essential functions, however as well as because of the diminishing reliability of hardware signifies.

4 Software fault tolerance lFlP Working Group"Dependable Computing and Fault Tolerance," was established in and has taken a leading role in promoting this field of computer science and engineering. A comprehensive book, containing 18 contribu­ tions on the evolution of fault-tolerant computing throughout.

Fault-Tolerant Systems is the first book on fault tolerance design with a systems approach to both hardware and software. No other text on the market takes this approach, nor offers the comprehensive and up-to-date treatment that Koren and Krishna provide. This book incorporates case studies that highlight six different computer systems with fault-tolerance techniques implemented in.

Reliability Growth of Fault-Tolerant Software Article (PDF Available) in IEEE Transactions on Reliability 42(2) - July with 63 Reads How we measure 'reads'. Software Fault Tolerance 1.

Software Fault Tolerance Presented By, Ankit Singh ([email protected]) High Integrity System University of Applied Sciences, Frankfurt am Main 2. Why we need Fault Tolerant Software. Single Version Software Tolerance Techniques 3.

Submit your book and we will publish it for free. Fault-Tolerant Systems Pdf. That’s the work of fault-tolerant designers and their work is increasingly essential and complicated not solely because of the rising number of “mission essential functions, however as well as because of the diminishing reliability of hardware signifies that.

Fault-Tolerant Computing Systems Tests, Diagnosis, Fault Treatment 5th International GI/ITG/GMA Conference Nürnberg, September 25–27, Proceedings Fault-Tolerant Software. Diagnose Fault-tolerant computers Fehlertolerierende Rechensysteme Simulation System Zuverlässigkeit classification cognition design diagnosis fault treatment.

Cristian, “Exception Handling and Software-Fault Tolerance,” Digest of Papers FTCS 10th International Symposium on Fault-Tolerant Computing Systems, Cited by: 6.

♦Fault-tolerant systems - ideally systems capable of executing their tasks correctly regardless of either hardware failures or software errors ♦In practice - we can never guarantee the flawless execution of tasks under any circumstances ♦Limit ourselves to types of failures and errors which are more likely to occur.

Beyond the specific support to the FTMP project, the work reported here represents a considerable advance in the practical application of the recovery block methodology for fault tolerant software. Fault tolerance is the way in which an operating system (OS) responds to a hardware or software failure.

The term essentially refers to a system’s ability to allow for failures or malfunctions, and this ability may be provided by software, hardware or a combination of both. To handle faults gracefully, some computer systems have two or more. @article{osti_, title = {Verification methodology for fault-tolerant, fail-safe computers applied to maglev control computer systems.

Final report, July May }, author = {Lala, J.H. and Nagle, G.A. and Harper, R.E.}, abstractNote = {The Maglev control computer system should be designed to verifiably possess high reliability and safety as well as high availability to make Maglev. FAULT TOLERANCE BY A DISTRIBUTED SOFTWARE CONTROL FOR A HIGH RELIABILITY Emmanuelle RENAUX LETI (CEA - Technologies Avancées) DS YS - CEN / G - 85X - GRENOBLE CEDEX email: [email protected]; tel: CRAN - LARA (Laboratoire d'Automatique et de Recherche Appliquée) Parc Robert Bentz - VANDOEUVRE LES NANCY Author: Emmanuelle Renaux, Cran Lara.

tems become a commodity, custom design of fault-tolerant systems that deliver performance competitive with that of mainstream commercial products grows unprofi table. The challenge is to build fault-tolerant systems that harness the market forces by using off-the-shelf hard - ware and software components, without modification.

There is no official textbook for this course. However, I am somewhat partial to the following book that can be downloaded for free by Duke students (you need a Duke IP address or to be on the Duke VPN): Daniel J.

Sorin. "Fault Tolerant Computer Architecture." Synthesis Lectures on Computer Architecture, Morgan & Claypool Publishers, Software fault tolerance refers to the use of techniques to increase the likelihood that the final design embodiment will produce correct and/or safe outputs.

Since correctness and safety are really system level concepts, the need and degree to use software fault tolerance is directly dependent. Protect Your Applications and Data with Fault Tolerant Software Cybersecurity expert James Chillingworth will review how applying hardware architecture concepts, in addition to other abstractions can form the framework for developing software that becomes more robust, reliable, expandable and secure/5(3).