PPT-15-446 Distributed Systems

Spring 2009 L1 Introduction 1 Todays Lecture Administrivia Example topics 2 3 Instructors Instructor Srini Seshan srinicmuedu Wean Hall 8113 Office hours Thursday 12pm Teaching . AN TA YL OR GUCC PO LO RALP LA UREN LA OST MICHAEL KO RS 36 37 KI O 37 37 36 36 36 35 34 34 34 34 33 33 33 32 32 30 30 30 29 29 28 28 27 27 27 26 26 26 262 GH B AS CO BA TH BOD Y WO RK BLDG 13 BLDG 31 REEBOK GAP OUTL ET BLDG 1 21 NE BA LANC HF BLD Spring 2009. L. -9 . Logical Time. 1. Announcements. Project 1 update – Thursday. Due 2/26. HW 1 – due Thursday. 2. Last Lecture . –. Clock Sync Important Lessons. Clocks on different systems will always behave differently. Lecture 1. Main Characteristics of Distributed Systems. Independent processors, sites, processes. Message passing. No shared memory. No shared clock. Independent failure modes. CS 271. 2. Distributed System Models. Spring 2009. L. -10 Consistency. 1. Important Lessons. Lamport. & vector clocks both give a logical timestamps. Total ordering vs. causal ordering. Other issues in coordinating node activities. Exclusive access to . Spring 2009. L-25 Cluster Computing. Overview. Google File System. MapReduce. BigTable. 2. Google Disk Farm. Early days…. …today. 3. Google Platform Characteristics. Lots of cheap PCs, each with disk and CPU. Lecture 1. 1. Chapter 18 Distributed software engineering. Topics covered. Distributed systems issues . Client–server computing. Architectural patterns for distributed systems. Software as a service. Overview of . Distributed Systems. Andrew. . Tanenbaum. and Marten van Steen, . Distributed Systems – Principles and Paradigms. , Prentice Hall, c2002.. Outline. Overview. Goals. Software. Client Server. Spring 2009. L-18 More DFS. 2. Review of Last Lecture. Distributed file systems functionality. Implementation mechanisms . example. Client side: VFS interception in kernel. Communications: RPC. Server side: service daemons. Systems. 15-440 / 15-640. Fall 2015. Welcome! Course Staff . Varun. . Saravgi. Arjun . Puri. Chao Xin. Yuvraj. Agarwal. Srini. . Seshan. Adhish. . Ramkumar. Xiaoxiang. Wu. Aaron Friedlander. Esther Wang. Janani C Krishnamani. CSC 8320. Fall . 2011. Outline. Introduction. Architecture models. System architectures. Communication Network architectures. Examples. Future Ideas. Introduction. What are distributed systems? . Sig Freund. CSC 8320 Fall . 2008. rfreund1@student.gsu.edu. Transparency in Distributed Operating Systems. Evolution of Modern Operating Systems. Centralized operating system. network access and resource sharing. Spring 2009. Localization. Announcements. Assignment HW3 due 4/21. No lecture . 4/16 Carnival. Schedule change. 4/21 lecture moved to recitation slot on 4/22 (Wed). Location TBA. Localization. What is localization? . Prof. Nalini Venkatasubramanian. Distributed Systems Middleware - Lecture 2. Global Time & Global States of Distributed Systems. Asynchronous distributed systems consist of several . processes. without common memory which communicate (solely) via . Early Adopter: ASU - Intel Collaboration in Parallel and Distributed Computing Yinong Chen , Eric Kostelich , Yann -Hang Lee, Alex Mahalov , Gil Speyer, and Violet R. Syrotiuk 1 st NSF /TCPP Workshop on Parallel and Distributed Computing Education (