'Global state' presentation slideshows

Global Predicate Detection and Event Ordering

Global Predicate Detection and Event Ordering. Our Problem. To compute predicates over the state of a distributed application. Model. Message passing No failures Two possible timing assumptions: Synchronous System Asynchronous System No upper bound on message delivery time

1.32k views • 116 slides

Distributed Error- Confinement

Distributed Error- Confinement. Shay Kutten (Technion) with Yossi Azar (Tel Aviv U.) Boaz Patt-Shamir (Tel Aviv U.). Talk Overview. (1) (Confinement in) the context of self stabilization (2) What is error confinement?

1.27k views • 109 slides

DISTRIBUTED COMPUTING

DISTRIBUTED COMPUTING. Sunita Mahajan , Principal, Institute of Computer Science, MET League of Colleges, Mumbai Seema Shah , Principal, Vidyalankar Institute of Technology, Mumbai University . Chapter - 5 Synchronization. Topics . Introduction Clock synchronization Logical clocks

1.41k views • 96 slides

Synchronization

Synchronization. Clock Synchronization and algorithm. Synchronization. Concentrate on how process can synchronize Not simultaneously access a shared resources. Multiple process can agree on the ordering of event/access the shared resources;

556 views • 45 slides

Distributed Systems

659 views • 40 slides

738 views • 40 slides

Distributed Process Management: Distributed Global States and Distributed Mutual Exclusion

Distributed Process Management: Distributed Global States and Distributed Mutual Exclusion. Distributed systems limitations. Absence of a global clock Possible solutions Common clock for all distributed computers

653 views • 40 slides

Actor Languages and Applications

Actor Languages and Applications. Gul Agha University of Illinois at Urbana-Champaign http://osl.cs.uiuc.edu. All recent failures occurred in bridges that passed regular visual inspection Visual inspection alone is not adequate. Monitor Infrastructure.

435 views • 33 slides

On Reducing the Global State Graph for Verification of Distributed Computations

On Reducing the Global State Graph for Verification of Distributed Computations. Vijay K. Garg, Arindam Chakraborty Parallel and Distributed Systems Laboratory The University of Texas at Austin. Roadmap. Motivation Background: Lattice Theory Interval Clocks and Congruences

388 views • 26 slides

Virtual Time & Global States of Distributed Systems

Virtual Time & Global States of Distributed Systems. Asynchronous distributed systems consist of several processes without common memory which communicate (solely) via messages with unpredictable transmission delays Global time & global state are hard to realize in distributed systems

367 views • 24 slides

Model Checking for Security Protocols

Model Checking for Security Protocols. Will Marrero, Edmund Clarke, Shomesh Jha. Needham-Schroeder Protocol (circa 1996). Purpose: Authenticate Participants. Assumptions. Perfect Encryption The decryption key must be known to encrypt No encryption collisions

312 views • 23 slides

Global States

Global States. Review. Vector Clocks Lamport Clock: Total Order Hack Motivation for Global State. Algorithms to Find Global States. Why? (Distributed) garbage collection (Distributed) deadlock detection, termination [think database transactions] What?

344 views • 22 slides

Termination Detection of Diffusing Computations

Termination Detection of Diffusing Computations. Chapter 19 Distributed Algorithms by Nancy Lynch Presented by Jamie Payton Oct. 3, 2003. Motivation. We would like to simplify programming of asynchronous networks Use a monitoring algorithm Debugging Backup Termination detection

408 views • 22 slides

Global State Recording

373 views • 13 slides

Global State

Global State. Global State 1. C1: Empty. $500. $200. C2: Empty. A. B. Global State 2. C1: Tx $50. $450. $200. C2: Empty. A. B. Global State 3. C1: Empty. $450. $250. C2: Empty. A. B. Recording Global State. Send(Mij): message M sent from Si to Sj

214 views • 12 slides

Development Introduction

149 views • 9 slides

Globalization

867 views • 8 slides

Injection drug use among men who have sex with men (MSM)

Injection drug use among men who have sex with men (MSM). Dr Adam Bourne Sigma Research London School of Hygiene & Tropical Medicine Adam.bourne@lshtm.ac.uk. www.sigmaresearch.org.uk. www.lshtm.ac.uk. Patterns in MSM IDU. Historically low, relative to other drug use

206 views • 5 slides

UNDERSTANDING OPEN INNOVATION: A LEARNING ROADMAP

UNDERSTANDING OPEN INNOVATION: A LEARNING ROADMAP. Training objectives. Subject index. Challenge. Concept. Definitions. Interview. Global state. OI in the literature. Trends. Applicat ions. Critique. Overview slideshow. OI community. Annex . Self-examination tool.

141 views • 1 slides

IMPACT

Less constrained. Transformation and constraint relaxation. Global state estimator. Difficult phase. Environment. Probably solvable. Unsolvable within bounds. Progress monitor. Problem solver. progress.

132 views • 1 slides