PPT-The Byzantine Generals Problem

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. 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 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), . 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. Chapter 6: The Byzantine & Islamic Empires. The Rise of “New Rome”. Constantinople . D. edicated in 330. Important commercial center. Political and religious center. Capital of Eastern Roman Empire. 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. 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.. Vocabulary for Chapter 9. Define the vocabulary word. Draw a picture of the vocabulary word. Create four clues about the vocabulary word to help remember the definition. Vocabulary – . Autocrat. Icon. Byzantine Fault Tolerance. Steve Ko. Computer Sciences and Engineering. University at Buffalo. Recap. Digital certificates. Binds a public key to its owner. Establishes a chain of trust. TLS. Provides an application-transparent way of secure communication. What is agreement?. What is agreement?. A. ttack, or. R. etreat?. What is agreement?. A. ttack, or. R. etreat?. Attack!. Attack!. Attack!. What is agreement?. A. ttack, or. R. etreat?. Attack!. Attack!. Roman Imperial . in its form of government;. Orthodox Christian . in religion. Greek . in its culture and language. From Eastern Roman to Byzantine Empire. Constantinople. – imperial capital; center of a world empire; a Christian city under the protection of God; . 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