PPT-Byzantine Agreement Jacob Gardner & Chuan Guo

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. washingtonedu Thomas Moscibroda Microsoft Research Asia moscithomicrosoftcom Siddhartha Sen Princeton University sssixcsprincetonedu ABSTRACT In the Byzantine agreement problem a set of processors any of whom may be arbitrarily faulty must reach agre Michael Ben-Or. The Hebrew University. Michael Rabin’s Birthday Celebration. Randomized Protocols. Power of Randomization. Exponential . speedup for known algorithms. Complexity . – The jury is still out . 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. What kind of learner are you?. Howard Gardner. Howard Gardner is the John H. and Elisabeth A. Hobbs Professor of Cognition and Education at the Harvard Graduate School of Education. He also holds positions as Adjunct Professor of Psychology at Harvard University and Senior Director of Harvard Project Zero. Phone: Gardner-Webb VolleyballCancun Vacation FundraiserPhone: Gardner-Webb VolleyballCancun Vacation FundraiserPhone: Gardner-Webb VolleyballCancun Vacation FundraiserPhone: Gardner-Webb VolleyballCa Kai Sun. *Some slides are borrowed from Ken Birman, Andrea C. . Arpaci-Dusseau. , Eleanor . Birrell. , . Zhiyuan. . Teo. , . and . Indranil. Gupta. So Far We’ve Talked About. State machine replication. 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.. Yee . Jiun. Song. Cornell University. CS5410 Fall 2008. . Fault Tolerant Systems. By now, probably obvious that systems reliability/availability is a key concern. Downtime is expensive. Replication is a general technique for providing fault tolerance. Thirty-one pages in the Book of Mormon are in Jacob’s own words.. Born between 600 and 593 BC. . Devastatingly direct. ! . (. Isaiah like!). In fewer than 28 pages, the record from Jacob to Mosiah covers about 421 of the total 1021 years covered by the entire Nephite record (41%). . 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. Jacob 6-7 Jacob 6:4 Which characteristic of God seems most dominant in the allegory ? “In his concluding commentary on the allegory, Jacob (said )… How merciful is our God unto us ” (Jeffrey R. Holland, Western CivilizationCodified Roman LawUnder Emperor Justinian Byzantine legal experts collected and arranged Roman lawMain source of law remained enactments of emperorsLaws became more extensive regul