PPT-The Byzantine Generals Problem

Siqiu Yao Authors Leslie Lamport you again we all know him Robert Shostak PhD in Applied Math Harvard SRI International Founder Ansa Software Founder Mira Tech Borland Software Founder Portera System. brPage 1br Attorney Generals 20 Worst Charities brPage 2br Attorney Generals 20 Worst Charities brPage 3br Attorney Generals 20 Worst Charities LAMPORT SRI International, Menlo Park, Califorma Abstract The Byzantine Generals Problem requires processes to reach agreement upon a value even though some of them may fad. It is weakened by allowin prepared by . Ilya. . Kolchinsky. n. generals, communicating through messengers. some of the generals (up to . m. ) might be traitors. all loyal generals should decide on the same plan of action. a small number of traitors cannot cause the loyal generals to adopt a bad plan. aka Eastern Roman Empire. Byzantine Empire. ". Byzantine" derives from Byzantium, an ancient Greek colony founded by a man named . Byzas. . . Located . on the European side of the Bosporus (the strait linking the Black Sea to the Mediterranean), . Tutorial #3. The Two Generals Problem. Two armies are camped on the outskirts of either side of an enemy . city.. The Two Generals Problem. Army 1. Army 2. The Two Generals Problem. The generals of the armies can only communicate via messengers who must travel through enemy territory and are thus subject to delays or capture.. 610-1070. Strains on the Empire. Avars. Slavs. Persians. And after 632 the Muslims. Heraclius. Came to power amid military disaster. Avars. , Slavs, and Persians were all attacking the empire at once. Byzantine Fault Tolerance --- 1. Steve Ko. Computer Sciences and Engineering. University at Buffalo. Recap. Spanner. Geo-distributed database. Supports a relational data model with a SQL-like language. and . Early Russia. AP European History. Byzantine Empire. Formation of the Empire. Established by Emperor Diocletian’s division of the Roman Empire. Eastern half of the Roman Empire. Constantine reunited the empires but moved the capital to Constantinople. World History: Libertyville HS. Where Was the ERE?. Capitol, Constantinople, located at narrowest point between Europe, Asia (Hellespont). Major trade routes to North / South. North, to . Rus. / Vikings. Location. The eastern portion of the former Roman Empire. Capital City – Constantinople (modern day Istanbul). Excellent location for trade. Military defense. Fought with the following for control of the area. asynchornous. systems. Hammurabi Mendes, Maurice . Herlihy. Presented By: Gil . Einziger. 1. Model And assumptions:. A. synchronous. . message passing. . t – processes that may crush or fail, and even be byzantine.. Dates: 330-1500. Map of the Byzantine Empire. Byzantine Empire. The Byzantine Empire was the continuation of the Roman Empire in the Greek speaking, eastern part of the Mediterranean. . Byzantium was the name of a small, but important town at the . Capital: Byzantium. On the Bosporus. Commercial, strategic value of location. Constantine names capital after himself (Constantinople), moves capital there 330 CE. 1453 falls to Turks, renamed Istanbul. LAMPORT ROBERT SHOSTAK and MARSHALL PEASE SRI International Reliable computer systems must handle malfunctioning components that give conflicting information to different parts of the system This situ