PPT-Logical Clocks (2)

Topics Logical clocks TotallyOrdered Multicasting Vector timestamps Readings Van Steen and Tanenbaum 52 Coulouris 104 L Lamport Time Clocks and the Ordering of Events in Distributed Systems . Sarangi Department of Computer Science Indian Institute of Technology New Delhi India Smruti R Sarangi Pastry 125 brPage 2br Synchronous Systems Asynchronous Systems Outline Synchronous Systems Physical Clocks Quartz Clocks Atomic Clocks GPS Network 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. Topics. Logical clocks. Totally-Ordered Multicasting. Readings. L. Lamport, “Time, Clocks and the Ordering of Events in Distributed Systems,” . Communications of the ACM, . Vol. 21, No. 7, July 1978, pp. 558-565.. Mixed Logical Dynamical Systems Outline Mixed Logical Dynamical Systems (MLD) Piecewise Affine Systems (PWA) Optimal Control for MLD Model predictive Control (MPC) Model Predictive Control For MLD Mix Introduction and Activities. What is a logical fallacy?. A fallacy is an error of reasoning. These are flawed statements that often sound true. Logical fallacies are often used to strengthen an argument, but if the reader detects them the argument can backfire, and damage the writer’s credibility . CS 3220. Fall 2014. Hadi Esmaeilzadeh. hadi@cc.gatech.edu. . Georgia Institute of Technology. Some slides adopted from Prof. . Milos . Prvulovic. Asynchronous vs. . Synchronious. Glitches and delays are . James C. Blackmon. Contents. Historical Context. Two Central Ideas of Logical Positivism. Problems of Logical Positivism. Historical Context. The Vienna Circle. Moritz . Schlick. and Otto . Neurath. A river flows at uniform speed . v. w. = 1.0 m/s between parallel shores a distance . D. = 120 m apart. A kayaker can paddle at 2.0 m/s relative to the water.. If the kayaker starts on one shore and always paddles perpendicular to the shoreline, how long does it take him to reach the opposite shore, and how far downstream is he swept?. Time Dilation. Length Contraction. SPECIAL RELATIVITY. Space, time, motion, revisited. Special Relativity Postulates. The laws of physics are same for all observers in inertial reference frames (IRF). st. of January.. It’s Friday.. History of . Clock Making. What we already know about the time:. What are the two . types. of clocks?. What . parts. of clocks do you know?. Can you tell the time?. General Relativity. Principle of equivalence:. There is no experiment that will discern the difference between the effect of gravity and the effect of acceleration.. Or…. Gravitational and inertial mass are equivalent.. A brief summary of the year 6 expectations in English. English. Spoken Language. Reading (Word-reading, comprehension). Writing (Transcription, Composition and ‘Spelling, Punctuation and Grammar’). EE324 Lecture 11. Assignment . Start early!. People who are doing well vs. Not doing well. . Last . Time–. RPC. Why remote procedure calls?. Simple way to pass control and data. Elegant transparent way to distribute application. I/O Devices - Keyboard. The number in the I/O register is the key number, called the scan code (not the ASCII code). . Keyboards have fewer than 128 key and only 7 bits are need to represent the key number .