'Consistent cut' presentation slideshows

Causality

1.47k views • 130 slides

Reliable Distributed Systems

1.4k views • 124 slides

CSCE 668 DISTRIBUTED ALGORITHMS AND SYSTEMS

CSCE 668 DISTRIBUTED ALGORITHMS AND SYSTEMS. Spring 2014 Prof. Jennifer Welch. p 0. p 0. m 0. m 1. m 0. m 1. p 1. p 1. Logical Clocks Motivation. In an asynchronous system, we often cannot tell which of two events occurred before the other:

481 views • 36 slides

CSCE 668 DISTRIBUTED ALGORITHMS AND SYSTEMS

CSCE 668 DISTRIBUTED ALGORITHMS AND SYSTEMS. Fall 2011 Prof. Jennifer Welch. p 0. p 0. m 0. m 1. m 0. m 1. p 1. p 1. Logical Clocks Motivation. In an asynchronous system, we often cannot tell which of two events occurred before the other:

361 views • 36 slides

CPSC 668 Distributed Algorithms and Systems

CPSC 668 Distributed Algorithms and Systems. Fall 2006 Prof. Jennifer Welch. p 0. p 0. m 0. m 1. m 0. m 1. p 1. p 1. Logical Clocks Motivation. In an asynchronous system, often cannot tell which of two events occurred before the other: Example A Example B.

460 views • 35 slides

Rex: Replication at the Speed of Multi-core

Rex: Replication at the Speed of Multi-core. Zhenyu Guo, Chuntao Hong , Dong Zhou*, Mao Yang, Lidong Zhou, Li Zhuang Microsoft Research CMU*. Tension between Replication and Multi-core. Most applications are multi-threaded But, to replicate, you can only use single-thread

426 views • 35 slides

Synchronization

Synchronization. Chapter 5. Clock Synchronization. When each machine has its own clock, an event that occurred after another event may nevertheless be assigned an earlier time. Physical Clocks (1). Computation of the mean solar day. Physical Clocks (2).

451 views • 31 slides

CS542 Topics in Distributed Systems

CS542 Topics in Distributed Systems. Diganta Goswami. Algorithms to Find Global States. Why? (Distributed) garbage collection [think multiple processes sharing and referencing objects] (Distributed) deadlock detection, termination [think database transactions]

522 views • 31 slides

CS542 Topics in Distributed Systems

CS542 Topics in Distributed Systems. Diganta Goswami. Algorithms to Find Global States. Why? (Distributed) garbage collection [think multiple processes sharing and referencing objects] (Distributed) deadlock detection, termination [think database transactions]

321 views • 31 slides

Lecture 9

445 views • 28 slides

Last Class: Fault Tolerance

Last Class: Fault Tolerance. Basic concepts and failure models Failure masking using redundancy. Today: More on Fault Tolerance. Agreement in presence of faults Two army problem Byzantine generals problem Reliable communication Distributed commit Two phase commit Three phase commit

406 views • 19 slides

Efficient Algorithms for Distributed Snapshots and Global Virtual Time Approximation

Efficient Algorithms for Distributed Snapshots and Global Virtual Time Approximation. Author: Friedermann Mattern Presented By: Shruthi Koundinya. Overview. Introduction Models and Definitions Consistent Cut Algorithm Distributed Monotonic Computation Scheme Distributed Simulation

329 views • 19 slides

COT 5611 Operating Systems Design Principles Spring 2012

492 views • 17 slides

Last Class: Clock Synchronization

309 views • 16 slides

Last Class: Fault Tolerance

Last Class: Fault Tolerance. Basic concepts and failure models Failure masking using redundancy Agreement in presence of faults Two army problem Byzantine generals problem. Today: More on Fault Tolerance. Reliable communication One-one communication One-many communication

299 views • 15 slides

Distributed Systems CS 425 / ECE 428 Global States, Distributed Snapshots

Distributed Systems CS 425 / ECE 428 Global States, Distributed Snapshots. ? 2013, I. Gupta, K. Nahrtstedt, S. Mitra, N. Vaidya, M. T. Harandi, J. Hou. Detecting Global Properties. Algorithms to Find Global States. Why?

139 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

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

274 views • 12 slides