PPT-CS5412: Dangers of Consolidation

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. CWEST - THE DANGERS OF SUNBURN.. So, what is the risk of sunburn? Well, a person’s risk of getting melanoma (cancer) . doubles. once she or he has had 5 sunburns.. CWEST - THE DANGERS OF SUNBURN.. christ. Salvation is an urgent call.. Grave and pressing, calling for haste and immediate action.. Every person is accountable to God.. Ecclesiastes 11:9-10; Acts 17:30-31. 2 Thessalonians 1:8; Colossians 3:6; Revelation 21:8; Hebrews 10:31. 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. 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. Pigi Paolucci. INFN of Napoli. RPC workshop ? Why ?. Pigi Paolucci. RPC Consolidation Workshop. 2. RPC system is working very well and during the 2009/2010 data taking has showed a very uniform behavior with a very high running efficiency (> 98%). 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. . Cloud. Ken Birman. CS5412 . Spring 2021. http://www.cs.cornell.edu/courses/cs5412/2021sp. 1. Beyond the datacenter. Although we saw a picture of Facebook’s global blob service, we have talked primarily about technologies used inside a single datacenter.. 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 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.