PPT-CS5412/Lecture 11 The GeoScale

Cloud Ken Birman CS5412 Spring 2021 httpwwwcscornelleducoursescs54122021sp 1 Beyond the datacenter Although we saw a picture of Facebooks global blob service we have talked primarily about technologies used inside a single datacenter. 11. Assembly Language and . Arduino. Behind the C code (or sketch). C provides a somewhat human-readable interface. but it gets . compiled. into machine instruction set. ultimately just binary (or hex) instructions loaded into the . Assembly Language and . Arduino. Behind the C code (or sketch). C provides a somewhat human-readable interface. but it gets . compiled. into machine instruction set. ultimately just binary (or hex) instructions loaded into the . 1. CS5412 Spring 2012 (Cloud Computing: Birman). Lecture II. Today: Let’s look at some real apps. CS5412 Spring 2012 (Cloud Computing: Birman). 2. We’ll focus on two very standard examples. Netflix movie player. Ken Birman. CS5412 Spring 2015 (Cloud Computing: Birman). 1. Lecture XVI. Transactions. A widely used reliability technology, despite the BASE methodology we use in the first tier. Goal for this week: in-depth examination of topic. Ken Birman. 1. CS5412 Spring 2014 (Cloud Computing: Birman). Lecture . VII. BitTorrent. CS5412 Spring 2014 (Cloud Computing: Birman). 2. Widely used download technology. Implementations specialized for setting. Ken Birman. Spring, 2018. http://www.cs.cornell.edu/courses/cs5412/2018sp. 1. A 5-lecture Roadmap!. http://www.cs.cornell.edu/courses/cs5412/2018sp. 2. Lecture 1: Transactions. Lecture 2: DHTs. Lecture 3:. 1. CS5412 Spring 2015 (Cloud Computing: Birman). Lecture II. Today: Let’s look at some real apps. CS5412 Spring 2015 (Cloud Computing: Birman). 2. We’ll focus on two very standard examples. Netflix movie player. CS 5412/Lecture 17 Leave No Trace Behind Ken Birman Spring, 2019 http://www.cs.cornell.edu/courses/cs5412/2019sp 1 The Privacy puzzle for I o T We have sensors everywhere, including in very sensitive settings. Ken Birman. 1. CS5412 Spring 2012 (Cloud Computing: Birman). Lecture . VII. How are cloud structured?. CS5412 Spring 2012 (Cloud Computing: Birman). 2. Clients talk to clouds using web browsers or the web services standards. Ceph. : A Scalable High-Performance Distributed File System. Ken Birman. Spring, . 2020. http://www.cs.cornell.edu/courses/cs5412/2020sp. 1. HDFS limitations. Although many applications are designed to use the normal “POSIX” file system API (operations like file create/open, read/write, close, rename/replace, delete, and snapshot), some modern applications find POSIX inefficient.. Ken Birman. Spring, 2022. http://www.cs.cornell.edu/courses/cs5412/2022sp. 1. Can we build consistent, highly available . -services?. When building . -services everything needs to be sharded for scaling. . Making The Cloud Friendlier for Object-Oriented Computing. Ken Birman. Spring. , 2022. http://www.cs.cornell.edu/courses/cs5412/2022sp. 1. Today’s main topic. The cloud was built mostly from Linux systems, yet Linux was created to support interactive computing applications in offices and hospitals, databases (big files, but record-oriented), text editing.. Ken Birman. 1. Lecture XXIII. CS5412 Sping 2014. Are Clouds Inherently Dangerous?. 2. Gene . Spafford. , famous for warning that the emperor has no . clothes. . fears. that moving critical information. Ken Birman. 1. Lecture XXII. Cornell CS5412 Cloud Computing (Spring 2015). Cloud Hype. 2. The cloud is cheaper!. The cloud business model is growing at an unparalleled pace without any limit in sight.