Infrastructure as a Service

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pages: 90 words: 17,297

Deploying OpenStack by Ken Pepple

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Amazon Web Services, cloud computing, database schema, Infrastructure as a Service, web application, x509 certificate

It is intended to provide the reader with a solid understanding of the OpenStack project goals, details of specific OpenStack software components, general design decisions, and detailed steps to deploy OpenStack in a few controlled scenarios. Along the way, readers would also learn common pitfalls in architecting, deploying, and implementing their cloud. Intended Audience This book assumes that the reader is familiar with public Infrastructure as a Service (IaaS) cloud offerings such as Rackspace Cloud or Amazon Web Services. In addition, it demands an understanding of Linux systems administration, such as installing servers, networking with iptables, and basic virtualization technologies. Conventions Used in This Book The following typographical conventions are used in this book: Italic Indicates new terms, URLs, email addresses, filenames, and file extensions.

In just over one year, it has gone from an idea to start collaborating to being the most talked-about project in open source. In this chapter, we will examine the project’s goals, history, and how you can participate in its future. What Is the OpenStack Project ? The OpenStack Project aims to create an open source cloud computing platform for public and private clouds aimed at scalability without complexity. Initially focusing on Infrastructure as a Service (IaaS) offerings, the project currently encompasses three components: OpenStack Compute: Software to orchestrate, manage, and offer virtual machines. The software for this is called “Nova.” OpenStack Object Store: Software for the redundant storage of static objects. The software for this is called “Swift.” OpenStack Image Service: Provides query and storage services for virtual disk images.


pages: 234 words: 63,522

Puppet Essentials by Felix Frank

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cloud computing, Debian, DevOps, domain-specific language, Infrastructure as a Service, platform as a service, web application

At this layer, you can cleanly express a new configuration that should be effective for all nodes that fill this role: class profile::heimdal_server { include heimdal class { 'ssh': restricted => true } } This is just a very rough sketch of the principles behind the Roles and Profiles pattern. Craig has put up a comprehensive description on his blog, and the design has since been adopted by many users. Taking Puppet to the cloud It's time to finally talk about the cloud, which I managed to avoid when describing the different use cases. We will focus on the Infrastructure as a Service (IaaS) paradigm. These IaaS clouds consist of a network of virtual machines connected to the Internet. Each machine runs a basic operating system, which is chosen by the administrator. If you need a Platform as a Service (PaaS) implementation, read on to learn how you can practically implement your own PaaS system on top of an IaaS cloud using Puppet. From Puppet's point of view, an IaaS cloud is not much different from a data center.

[ 206 ] Index A agents initializing, in cloud 185 resources, exporting to 141 anchor pattern about 90 URL 91 antipatterns avoiding 154, 155 apt-get command 8 arrays 15 autorequire feature 125 autoscaling feature about 198 certificates, managing 198-200 round trip times, limiting 200-202 autosigning URL 200 autosigning script 198 B backends selecting 165 URL, for online documentation 165 beaker about 105 URL 105 before metaparameter 19, 21, 24 C classes about 66 component classes, writing 73, 74 comprehensive classes, writing 71, 72 creating, with parameters 92 declaring 66, 67 defining 66, 67 definitions, nesting 82 differentiating, with defined types 69, 70 include keyword, preferring 93 parameterized classes, consequences 92, 93 class inheritance 149 cloud agents, initializing in 185 manifests, building for 187 cloud-provisioner module using 186 collectors used, for realizing resources 140, 141 component classes writing 73, 74 composite design 71 comprehensive classes writing 71, 72 configuration data structuring, in hierarchy 161, 162 containers events, passing between classes and defined types 83-85 limitations 86-89 limitations, mitigating 90 ordering 86 relationships, establishing among 83 containers, limitations anchor pattern 90 contain function 91 control structures adding, in manifest 13, 14 creates parameter 28 cron resource type 29 custom attribute 191 custom facts about 53 Facter, extending with 53-55 custom functions about 96 used, for refining custom module interface 126-128 custom module building 105 enhancing, through facts 125 implementing 106-109 interface, refining through custom functions 126-128 making, portable across platforms 128, 129 naming 106 using 106 utilities, creating for derived manifests 110 custom types 117 D data resources, converting to 172-174 data, defining in manifest consequences 159, 160 defined types about 66 creating 67-69 differentiating, with classes 69, 70 used, for exploiting array values 78-81 using 67-69 using, as macros 77, 78 using, as resource multiplexers 76 using, as resource wrappers 74, 75 dependency 20 documentation, modules 98, 99 domain-specific language (DSL) 8 dynamic configuration files templating 134 dynamic scoping 154 E enabled property 10 ensure property 10 environment.conf file 100 environment locations configuring 100, 101 environments maintaining 99, 100 modules, installing 101, 102 modules, obtaining 101, 102 used, for testing modules 104, 105 evaluation order circular dependencies, avoiding 21, 22 controlling 16 dependencies, declaring 17-20 error propagation 20 events about 23 passing, between classes and defined types 83-85 exec resource type 27 external facts using 55, 56 External Node Classifiers (ENCs) 174 F Faces 186 Facter example 62 extending, with custom facts 53-55 goals 57 systems, summarizing with 50, 51 facts URL, for documentation 125 used, for enhancing custom module 125 fact values accessing 52, 53 using 52, 53 flexibility, providing to classes about 148 class inheritance 149 inheriting class, naming 151 parameters, making safer through inheritance 151 [ 208 ] Forge modules' characteristics, identifying 130 URL 130 used, for searching modules 130 fqdn_rand function 41 fully qualified domain name (FQDN) 52 G group resource type 26 H hashes 14 Hiera arrays, handling 170-172 class parameter values, binding 167-169 configuring 163 data, storing 164 hashes, handling 170-172 lookups, defining 179 practical example 177, 178 using, in different contexts 175, 176 values, retrieving 165 values, using in manifest 165 working with simple values 166, 167 hiera_array function 170 hiera_hash function 171 hierarchy configuration data, structuring in 161, 162 I immutability, variables 14 include keyword preferring 93 Infrastructure as a Service (IaaS) 184 Infrastructure as Code paradigm 105 inheriting class naming 151 installation, modules 101, 102 instances method 123 M manifest about 182 control structures, adding in 13, 14 dry-testing 12 structure 9 manifest, and Hiera designs selecting between 175 manifest, building for cloud about 187 arbitrary configuration files, composing 194-196 certificate names, selecting 190, 191 distributed catalog, creating 191-194 functionality, mapping to nodes 187-189 instance deletions, handling 197, 198 metaparameters 18 model substantiating, with providers 59, 60 modules about 96 agent, enhancing through plugins 116, 117 best practices 102 content structure 97, 98 documentation 98, 99 generalization, avoiding 103 identifying, in Forge 130 important parts 96 installing 101, 102 manifest files, gathering 102, 103 obtaining 101, 102 searching, in Forge 130 testing 104 testing, with environments 104, 105 URL, for publishing 98 monolithic implementation 71 mount resource type 29, 30 N Nginx about 45 Phusion Passenger, using with 45, 46 nodes file 100 Notice keyword 20 [ 209 ] O operatingsystemrelease fact 53 output interpreting, of puppet apply command 11, 12 P Proudly sourced and uploaded by [StormRG] Kickass Torrents | TPB | ExtraTorrent | h33t parameterized classes consequences 92, 93 parameters versus properties 10 parser functions 96 performance bottlenecks avoiding, from templates 136 performance considerations about 42 basic tuning 46 Passenger, using with Nginx 45 switching, to Phusion Passenger 43, 44 Phusion Passenger switching to 43, 44 URL, for installation instructions 45 using, with Nginx 45, 46 Platform as a Service (PaaS) 184 plugins about 116 custom types, creating 118 custom types, naming 118 management commands, declaring 121 provider, adding 121 provider, allowing to prefetch existing resources 123, 124 provider functionality, implementing 122, 123 resource names, using 120 resource type interface, creating 119 sensible parameter hooks, designing 120 types, making robust 125 used, for enhancing modules agent 116, 117 plugins, types custom facts 116 parser functions 116 providers 116 types 116 processorcount fact 52 properties about 10 versus parameters 10 providerless resource types 61 provider parameter 10 providers model, substantiating with 59, 60 summarizing 61 Puppet about 182 installing 8 modules 96 typical scopes 182 URL 182 Puppet agent certificate, renewing 40 life cycle 38, 39 running, from cron 41 setting up 35-37 puppet apply command about 9, 31 output, interpreting of 11, 12 PuppetBoard 186 Puppet Dashboard 186 Puppet Explorer 186 Puppet Labs URL 8 URL, for advanced approaches 43 URL, for core resource types 61 URL, for style guide 52 URL, for system installation information 32 URL, for Troubleshooting section 47 puppetlabs-strings module URL 99 Puppet master about 31 configuration settings, inspecting 35 master machine, setting up 32 master manifest, creating 33, 34 tasks 32 puppetmaster system service 33 puppet module install command 101 Puppet support, for SSL CSR attributes URL 199 [ 210 ] Puppet, taking to cloud about 184 agents, initializing 185 cloud-provisioner module, using 186 Puppet toolchain 46 rspec-puppet module about 105 URL 105 R separate data storage need for 158 singletons 135 site manifest 33 SSL troubleshooting 47, 48 stdlib module 101 strings 15 subscribe metaparameter 23 successful provisioning, ensuring about 202 manifests, testing 204, 205 necessary relationships, adding 203 systems summarizing, with Facter 50, 51 S realize function 138, 139 redundancy saving, resource defaults used 152, 153 relationships, containers performance implications 89 require metaparameter 19 resource chaining 17 resource defaults used, for saving redundancy 152, 153 resource interaction implementing 22-24 resource parameters overriding 147, 148 resources about 10 converting, to data 172-174 exporting 142 exporting, to agents 141 importing 142 realizing, collectors used 140, 141 resources, exporting about 141 central firewall, maintaining 146 custom configuration, automating 144 hosts files, managing 144 master configuration, for storing exported resources 142 Nagios configuration, simplifying 145, 146 SSH host keys, exporting 143 resource type life cycle, agent side 58, 59 resource types cron 29 examining 25, 26 exec 27, 28 group 26 mount 29, 30 user 26 revocation 39 Roles and Profiles pattern 183 T templates performance bottlenecks, avoiding from 136 using 135, 136 template syntax learning 134, 135 transaction 57 Trusted Facts 189 types about 117 summarizing 61 type system 57 typical scopes, Puppet about 182 profiles 183, 184 roles 183, 184 U user resource type 26 utilities, custom module complexity, dealing 115, 116 configuration items, adding 111, 112 creating, for derived manifests 110 [ 211 ] customization, allowing 113 unwanted configuration items, removing 114, 115 W Warning keyword 20 V Y Vagrant 182 variables using 14 variable types about 14 arrays 15 hashes 14 strings 15 virtual resources creating 137, 138 yum command 8 [ 212 ] Thank you for buying Puppet Essentials About Packt Publishing Packt, pronounced 'packed', published its first book "Mastering phpMyAdmin for Effective MySQL Management" in April 2004 and subsequently continued to specialize in publishing highly focused books on specific technologies and solutions.

Industry 4.0: The Industrial Internet of Things by Alasdair Gilchrist

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3D printing, additive manufacturing, Amazon Web Services, augmented reality, autonomous vehicles, barriers to entry, business intelligence, business process, chief data officer, cloud computing, connected car, cyber-physical system, deindustrialization, fault tolerance, global value chain, Google Glasses, hiring and firing, industrial robot, inflight wifi, Infrastructure as a Service, Internet of things, inventory management, job automation, low skilled workers, millennium bug, pattern recognition, platform as a service, pre–internet, race to the bottom, RFID, Skype, smart cities, smart grid, smart meter, smart transportation, software as a service, stealth mode startup, supply-chain management, trade route, web application, WebRTC, WebSocket, Y2K

The cloud will stretch to accommodate the demand without any customer interaction; the cloud will manage the demand dynamically by assigning more resources. There are three categories of service—IaaS (Infrastructure as a Service), PaaS (Platform as a Service), and SaaS (Software as a Service). Each category defines a set of services available to the customer, and this is key to the cloud— everything is offered as a service. This is based on the earlier SOA (service orientated architecture), where web services were used to access application functions. Similarly, the cloud operators use web services to expose their features and products as services. • IaaS (Infrastructure as a Service)—AWS’s basic product back in 2005 and it offered their excess infrastructure for lease to companies. Instead of buying hardware and establishing a server room or data center a SME could rent compute, storage, and network from Amazon, the beauty being they would only pay for what they used


pages: 540 words: 103,101

Building Microservices by Sam Newman

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airport security, Amazon Web Services, anti-pattern, business process, call centre, continuous integration, create, read, update, delete, defense in depth, Edward Snowden, fault tolerance, index card, information retrieval, Infrastructure as a Service, inventory management, job automation, load shedding, loose coupling, platform as a service, premature optimization, pull request, recommendation engine, social graph, software as a service, the built environment, web application, WebSocket, x509 certificate

And certainly make sure you can get access to the raw data to provide your own reporting or dashboards if you need to. Another key benefit of understanding your trends is when it comes to capacity planning. Are we reaching our limit? How long until we need more hosts? In the past when we brought physical hosts, this was often an annual job. In the new age of on-demand computing provided by infrastructure as a service (IaaS) vendors, we can now scale up or down in minutes, if not seconds. This means that if we understand our usage patterns, we can make sure we have just enough infrastructure to serve our needs. The smarter we are in tracking our trends and knowing what to do with them, the more cost effective and responsive our systems can be. Service Metrics The operating systems we run on generate a large number of metrics for us, as you’ll find the moment you install collectd on a Linux box and point it at Graphite.


pages: 329 words: 95,309

Digital Bank: Strategies for Launching or Becoming a Digital Bank by Chris Skinner

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algorithmic trading, Amazon Web Services, Any sufficiently advanced technology is indistinguishable from magic, augmented reality, bank run, Basel III, bitcoin, business intelligence, business process, business process outsourcing, call centre, cashless society, clean water, cloud computing, corporate social responsibility, credit crunch, crowdsourcing, cryptocurrency, demand response, disintermediation, don't be evil, en.wikipedia.org, fault tolerance, fiat currency, financial innovation, Google Glasses, high net worth, informal economy, Infrastructure as a Service, Internet of things, Jeff Bezos, Kevin Kelly, Kickstarter, M-Pesa, margin call, mass affluent, mobile money, Mohammed Bouazizi, new economy, Northern Rock, Occupy movement, platform as a service, Ponzi scheme, prediction markets, pre–internet, quantitative easing, ransomware, reserve currency, RFID, Satoshi Nakamoto, Silicon Valley, smart cities, software as a service, Steve Jobs, strong AI, Stuxnet, trade route, unbanked and underbanked, underbanked, upwardly mobile, We are the 99%, web application, Y2K

A slightly confusing and technical discussion, so let’s start with the idea of cloud computing in banking. Cloud Computing is a wide and diverse operation that has gained a panacea status of being all things to all people. It’s Salesforce.com, Azure, Exalogic, Amazon and more. Put in “Cloud Computing” to Google, who also provide clouds, and you get sponsored adverts from HP, Intel, Siemens and more all talking about clouds. It’s Software as a Service, Platform as a Service, and Infrastructure as a Service. It’s public clouds, private clouds, hybrid clouds. It’s every and any darned thing you want and, as a result, it’s lost its meaning. As a result, bank CIO’s have heard about Cloud Computing, but have no idea how to articulate what it is to their Board and CEO, how to justify it, how to present it as meaningful and how to get a decision. The Board and CEO have heard of cloud, but hear it’s dangerous.

The Data Revolution: Big Data, Open Data, Data Infrastructures and Their Consequences by Rob Kitchin

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business intelligence, business process, cellular automata, Celtic Tiger, cloud computing, collateralized debt obligation, conceptual framework, congestion charging, corporate governance, correlation does not imply causation, crowdsourcing, discrete time, George Gilder, Google Earth, Infrastructure as a Service, Internet Archive, Internet of things, invisible hand, knowledge economy, late capitalism, linked data, Masdar, means of production, Nate Silver, natural language processing, openstreetmap, pattern recognition, platform as a service, recommendation engine, RFID, semantic web, sentiment analysis, slashdot, smart cities, Smart Cities: Big Data, Civic Hackers, and the Quest for a New Utopia, smart grid, smart meter, software as a service, statistical model, supply-chain management, the scientific method, The Signal and the Noise by Nate Silver, transaction costs

Since then, the relative share of digital data has continued to grow, especially with the development of distributed storage and services through cloud computing and data centres. Cloud computing takes two forms that often work cooperatively: utility clouds and data clouds (Farber et al. 2011). Utility clouds provide IT capabilities as locationindependent, on-demand services accessible via the Internet, including ‘infrastructure as a service’ (IaaS) such as storage, servers and networks, ‘platform as a service’ (PaaS) comprising an execution environment for the development of custom applications and databases, and ‘software as a service’ (SaaS) that enables users to access their applications and to process data remotely (Farber et al. 2011; Hancke et al. 2012). Data clouds enable massive volumes of data, that might be generated across an enterprise, to be linked, stored and processed remotely, drawing on the computational power of hundreds of machines, and analysed via utility services (Farber et al. 2011).


pages: 525 words: 142,027

CIOs at Work by Ed Yourdon

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8-hour work day, Apple's 1984 Super Bowl advert, business intelligence, business process, call centre, cloud computing, crowdsourcing, distributed generation, Flash crash, Googley, Grace Hopper, Infrastructure as a Service, Innovator's Dilemma, inventory management, Julian Assange, knowledge worker, Mark Zuckerberg, Nicholas Carr, rolodex, shareholder value, Silicon Valley, six sigma, Skype, smart grid, smart meter, software as a service, Steve Ballmer, Steve Jobs, Steven Levy, the scientific method, WikiLeaks, Y2K, Zipcar

Yourdon: Interesting. Wakeman: There’s a lot of great new security technology out there. Yourdon: Funny you should mention that. That was the very next thing on my list of questions. What are some of the new trends that you think are really going to influence your situation over the next couple of years? Wakeman: Well, call it virtualization, call it cloud computing, call it private public, or call it infrastructure as a service. That is huge. The ability to buy infrastructure and software as services is having a tremendously disruptive impact to the IT industry. Now, I think for my IT organization, where we outsourced our infrastructure nine years ago—we’re on our tenth year of that contract—we’re better prepared for that transition than others because we don’t own our data center or the staff that manage it.


pages: 382 words: 120,064

Bank 3.0: Why Banking Is No Longer Somewhere You Go but Something You Do by Brett King

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3D printing, additive manufacturing, Albert Einstein, Amazon Web Services, Any sufficiently advanced technology is indistinguishable from magic, asset-backed security, augmented reality, barriers to entry, bitcoin, bounce rate, business intelligence, business process, business process outsourcing, call centre, capital controls, citizen journalism, Clayton Christensen, cloud computing, credit crunch, crowdsourcing, disintermediation, en.wikipedia.org, George Gilder, Google Glasses, high net worth, I think there is a world market for maybe five computers, Infrastructure as a Service, invention of the printing press, Jeff Bezos, jimmy wales, London Interbank Offered Rate, M-Pesa, Mark Zuckerberg, mass affluent, microcredit, mobile money, more computing power than Apollo, Northern Rock, Occupy movement, optical character recognition, performance metric, platform as a service, QWERTY keyboard, Ray Kurzweil, recommendation engine, RFID, risk tolerance, self-driving car, Skype, speech recognition, stem cell, telepresence, Tim Cook: Apple, transaction costs, underbanked, web application

Harte explained the rationale behind this move as looking to reduce the cost of purchasing IT and related infrastructure by paying for services on demand as CBA grew, especially as reliance on more digital integration and real-time engagement became essential to CBA’s customer experience. In December 2011, Deutsche Bank went live with its first phase of cloud deployment, namely its IaaS (Infrastructure as a Service) development platform. One of the imperatives at DB was faster development times for bank partners, developers and vendors, and what it called an “aggressive standardisation” attempt. So the first driver for private cloud deployment is clear. Standardisation of employee internal applications and systems across the enterprise, and very agile platforms that can scale up and down with demand.


pages: 497 words: 144,283

Connectography: Mapping the Future of Global Civilization by Parag Khanna

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1919 Motor Transport Corps convoy, 2013 Report for America's Infrastructure - American Society of Civil Engineers - 19 March 2013, 3D printing, 9 dash line, additive manufacturing, Admiral Zheng, affirmative action, agricultural Revolution, Airbnb, Albert Einstein, amateurs talk tactics, professionals talk logistics, Amazon Mechanical Turk, Asian financial crisis, asset allocation, autonomous vehicles, banking crisis, Basel III, Berlin Wall, bitcoin, Black Swan, blockchain, borderless world, Boycotts of Israel, Branko Milanovic, BRICs, British Empire, business intelligence, call centre, capital controls, charter city, clean water, cloud computing, collateralized debt obligation, complexity theory, corporate governance, corporate social responsibility, credit crunch, crony capitalism, crowdsourcing, cryptocurrency, cuban missile crisis, data is the new oil, David Ricardo: comparative advantage, deglobalization, deindustrialization, dematerialisation, Deng Xiaoping, Detroit bankruptcy, diversification, Doha Development Round, edge city, Edward Snowden, Elon Musk, energy security, ethereum blockchain, European colonialism, eurozone crisis, failed state, Fall of the Berlin Wall, family office, Ferguson, Missouri, financial innovation, financial repression, forward guidance, global supply chain, global value chain, global village, Google Earth, Hernando de Soto, high net worth, Hyperloop, ice-free Arctic, if you build it, they will come, illegal immigration, income inequality, income per capita, industrial robot, informal economy, Infrastructure as a Service, interest rate swap, Internet of things, Isaac Newton, Jane Jacobs, Jaron Lanier, John von Neumann, Julian Assange, Just-in-time delivery, Kevin Kelly, Khyber Pass, Kibera, Kickstarter, labour market flexibility, labour mobility, LNG terminal, low cost carrier, manufacturing employment, mass affluent, megacity, Mercator projection, microcredit, mittelstand, Monroe Doctrine, mutually assured destruction, New Economic Geography, new economy, New Urbanism, offshore financial centre, oil rush, oil shale / tar sands, oil shock, openstreetmap, out of africa, Panamax, Peace of Westphalia, peak oil, Peter Thiel, Plutocrats, plutocrats, post-oil, post-Panamax, private military company, purchasing power parity, QWERTY keyboard, race to the bottom, Rana Plaza, rent-seeking, reserve currency, Robert Gordon, Robert Shiller, Robert Shiller, Ronald Coase, Scramble for Africa, Second Machine Age, sharing economy, Shenzhen was a fishing village, Silicon Valley, Silicon Valley startup, six sigma, Skype, smart cities, Smart Cities: Big Data, Civic Hackers, and the Quest for a New Utopia, South China Sea, South Sea Bubble, sovereign wealth fund, special economic zone, spice trade, Stuxnet, supply-chain management, sustainable-tourism, TaskRabbit, telepresence, the built environment, Tim Cook: Apple, trade route, transaction costs, UNCLOS, uranium enrichment, urban planning, urban sprawl, WikiLeaks, young professional, zero day

India, Japan, and South Korea have also achieved a degree of digital independence in that they have the requisite supply of engineers and domestic companies, market depth and payment systems, cyber-security tools, and other ingredients for a self-sustaining domestic technology sector that provides the full spectrum of Internet services. This cyber autarky is crucial in an age of denial of service cyber attacks and other disruptions. But very few countries can offer quality alternatives. For emerging markets such as Vietnam and Malaysia, attempting to build indigenous systems means wasting billions of dollars when instead they can take advantage of low-cost Infrastructure as a Service cloud-based software, data storage, and enterprise applications. In such countries, citizens also suffer the double whammy of having their data no longer secure “offshore” but vulnerable “onshore.” Subjected to restrictions on online speech and data security violations, citizens mobilize not just on the Internet but for their right to unfettered use of it, shifting their data to new Google, Amazon, or other services safeguarded from government intrusion just as Chinese and Russian citizens move their cash abroad.


pages: 348 words: 39,850

Data Scientists at Work by Sebastian Gutierrez

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Albert Einstein, algorithmic trading, bioinformatics, bitcoin, business intelligence, chief data officer, clean water, cloud computing, computer vision, continuous integration, correlation does not imply causation, crowdsourcing, data is the new oil, DevOps, domain-specific language, follow your passion, full text search, informal economy, information retrieval, Infrastructure as a Service, inventory management, iterative process, linked data, Mark Zuckerberg, microbiome, Moneyball by Michael Lewis explains big data, move fast and break things, natural language processing, Network effects, nuclear winter, optical character recognition, pattern recognition, Paul Graham, personalized medicine, Peter Thiel, pre–internet, quantitative hedge fund, quantitative trading / quantitative finance, recommendation engine, Renaissance Technologies, Richard Feynman, Richard Feynman, self-driving car, side project, Silicon Valley, Skype, software as a service, speech recognition, statistical model, Steve Jobs, stochastic process, technology bubble, text mining, the scientific method, web application

So the definition of what we’re doing, I’m going to say, has evolved. www.it-ebooks.info 145 146 Chapter 7 | Roger Ehrenberg, IA Ventures I think that when most people think about big data, they think infrastructure. They think of enabling technologies. We’ve done a bunch of investments in that area. We may or may not do a lot more of that, at least in this next wave of opportunities. If you look at what we’ve done lately, they’re much more applications. Whether it’s reshaping how quality inspection is done in manufacturing processes, or infrastructure-as-a-service for the developer community. We’ve also made three investments in the healthcare space. As the market has evolved, we’ve evolved. We’ve gotten very clear about what we’re really good at and how we can help the most. That’s naturally caused us to gravitate toward certain kinds of founders and certain use cases. If we were to sit down and have this discussion in three years, I’d be fascinated to hear what I was saying, since we’ve evolved and sharpened our focus and investment methodology since the early days of 2010.