PPT-15-446 Distributed Systems

Spring 2009 L 22 Sensor Networks 2 Overview Ad hoc routing Sensor Networks Directed Diffusion Aggregation TAG Synopsis Diffusion Ad Hoc Routing Goal Communication between wireless nodes. 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. 1. Chapter 18 Distributed software engineering. Topics covered. Distributed systems issues . Client–server computing. Architectural patterns for distributed systems. Software as a service. Spring 2009. L-1 Introduction. 1. Today's Lecture. Administrivia. Example topics. 2. 3. Instructors. Instructor. Srini. Seshan. srini@cmu.edu. , Wean Hall . 8113. Office hours: Thursday 1-2pm. Teaching . 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. 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. Janani C Krishnamani. CSC 8320. Fall . 2011. Outline. Introduction. Architecture models. System architectures. Communication Network architectures. Examples. Future Ideas. Introduction. What are distributed systems? . Prepared . by. Asma. . AlOtaibi. 200800689. Author & Published date. Jussipekka. . Leiwo. , . Monash. University, PSCIT, McMahons Road, Frankston, Vic 3199, Australia. . Seppo. . Heikkuri. , . Set up a large number of machines all identically configured. Connect them to a high speed LAN. And to the Internet. Accept arbitrary jobs from remote users. Run each job on one or more nodes. Entire facility probably running mix of single machine and distributed jobs, simultaneously. . and Architectures. Summary. . By. . Srujana. Gorge. . Outline. Introduction Of Distributed System. Goals. Transparency. Services. Topics covered. Distributed systems characteristics and issues. Models of component interaction . Client–server computing. Architectural patterns for distributed systems. Software as a service. Distributed systems. District Heating and Cooling. Robert . McMillin. Siemens Industry, Inc.. August 12, 2015. Introduction. Master Planning. New Construction. Best time to choose a direction. 2. Likely higher first cost, but lower future cost. October 11, 2018. A.F. Cooper. Context and Motivation. How can we synchronize an asynchronous distributed system?. How do we make global state consistent? . Snapshots / checkpoints. Example: Buying a ticket on Ticketmaster. 15-446 Distributed Systems Spring 2009 L-6 Naming 1 Today's Lecture Naming overview DNS Service location Server selection 2 Names Names are associated with objects Enables passing of references to objects Indirection Deferring decision on