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layers.Iaas:infrastructure-as-a-service (infrastructure as a service)The first layer is called IaaS, sometimes called Hardware-as-a-service, and a few years ago if you want to run some business applications in your office or on your company's website, you need to buy servers or other high-level hardware to control your local applications and get your business up and running.But with IaaS now, you can outsource your hardware to other places. IaaS will provide off-site servers, storage and networ

games Java Android IOS Swift Smart hardware Docker OpenstacK VPN Spark ERP IE10 Eclipse CRM JavaScript database Ubuntu NFC WAP jQuery BI HTML5 Spring Apache. NET API HTML SDK IIS Fedora XML LBS Unity Splashtop UML components Windows Mobile Rails QEMU KDE Cassandra CloudStack FTC coremail OPhone couchbase Cloud Calculate iOS6 Rackspace Web App springside Maemo Compuware Big Data aptech Perl Tornado Ruby Hibernate thinkphp HBase Pure Solr Angu Lar Clou

the Hadoop platform, inspired by the BSP (bulk synchronous parallel) and Google Pregel. Apache Oozie: is a workflow engine server that manages and coordinates the tasks that run on the Hadoop platform (HDFS, pig, and MapReduce). Apache Crunch: Is a Java library written based on Google's Flumejava library for creating MapReduce programs. Similar to Hive,pig, Crunch provides a library of patterns for common tasks such as connecting data, performing aggregations, and sorting records Apache w

(infrastructure)-as-a-service,platform (platform)-as-a-service,software (software)-as-a-service. infrastructure at the bottom, platform in the middle, software at the top. Other "soft" layers can be added on top of these layers.Iaas:infrastructure-as-a-service (infrastructure as a service)The first layer is called IaaS, sometimes called Hardware-as-a-service, and a few years ago if you want to run some business applications in your office or on your company's website, you need to buy servers or

Introduced Rackspace NASAA combination of software open source projectsComplex installation ConfigurationSystem management platform for Infrastructure resources (network, compute, storage)Individual wells vs Water plants Components Principles Horizon-UI Module Cloud AdministratorNormal User Keystone--Identity Service module * Control core Concept: User: Users, on behalf of the p

rent. Save on maintenance costs and office space, companies can use these hardware at any time to run their applications.Some large IaaS companies include Amazon, Microsoft, VMWare, Rackspace and Red Hat. However, these companies have their own expertise, such as Amazon and Microsoft provide you with not only IaaS, they will also rent their computing power to you to host your site.Paas:platform-as-a-service (Platform as a service)The second layer is

projects to enter the incubator, including all the client and spec. It can be predicted that OpenStack's development focus gradually from the bottom of the core modules, gradually to a higher level, to provide richer functions in the direction of development.Analysis of domestic Community contributionFrom the corporate contribution rankings, several big companies firmly occupy the top of the contribution list, OpenStack's most successful companies-mirantis ranked closely after Redhat became the

StuffTheInternetSaysOnScalabilityForMay2nd, 2014 Hey, it's HighScalability time: Google's new POWER8server motherboard 1 trillion: number of scents your nose can smell; millions of square feet: sprawling new server farms Quotable Quotes: Gideon Lewis-Kraus: As the engineer and writer Alex Payne put it, these startups represent "the field offices of a large distributed workforce assembled by venture capitalists and their associate institutions, "doing low-overhead, low-risk R D for fiv

# # # OpenStack is what:1,openstack is a cloud computing platform developed jointly by Rackspace and NASA2,openstack is a community of high-tech companies from the Internet3,openstack is an IaaS① solution similar to the Amazon cloud Platform4, a toolset that provides a platform for deploying cloud operations5, the main code is written by Python, Web page developed by Java6, 2013 began to be widely used by internet giants to customize the deployment7,

called Hardware-as-a-service, and a few years ago if you want to run some business applications in your office or on your company's website, you need to buy servers or other high-level hardware to control your local applications and get your business up and running.But with IaaS now, you can outsource your hardware to other places. IaaS will provide off-site servers, storage and network hardware that you can rent. Save on maintenance costs and office space, companies can use these hardware at a

azure virtual machines, and scale them as needed.Docker is an open source engine that can automatically apply deployment. It uses containers to replace virtual machines, enabling multiple applications to run concurrently on the same server. In addition to Microsoft, Amazon, Google, Rackspace and Linux vendors canonical and red Hat are committed to supporting Docker.Since June 2014, Microsoft has allowed users to run Docker on Linux on Azure. Microsof

scalable, ensuring that it can be used on demand during a DDoS attack, especially if the system is running simultaneously in multiple geographic regions. Any virtual machine instances running in the cloud need to ensure that network resources are available.Microsoft provides domain Name System (DNS) and Network Load Balancing for all Azure, and Rackspace provides exclusive cloud load balancing to control traffic flow. In combination with CDN system,

follow the professional tracking site CloudHarmony Ec2 service, in 2014 year stop 2.41 hours, availability 99.9974%"The more stable the old-style cloud service system," Jason, chief executive of Cloudharmony, said: AWS provides cloud services longer than anyone, has the most experience, and Google uses its existing infrastructure as its cloud base, so it also has a managed and reliable distributed system. "650) this.width=650; "Src=" http://mmbiz.qpic.cn/mmbiz/ EAZBLLCAHYBQIACGTFDBSM

PaaS that provides 1 free worker https://www.heroku.com/-Host Your apps in the cloud, free for single process apps https://bluemix.net/-IBM PaaS with a monthly free allowance https://www.openshift.com/-RedHat OpenShift offers 3 free hosted apps https://bitnami.com/-One free small app Https://scalingo.com-Free Tier, up to 3 apps, 1 container each, combined with the data store addons free tier Iaas https://exoscale.ch/-free resources for Open Source projects

like a mandatory law. "We didn't say it was our community code," says Harvey. "We work together with the community to develop these guidelines." ” The importance of community self-regulation and external involvement Ada Initiative partner Valerie Aurora believes that even if a company does not have legal power in the open source community, it is becoming increasingly important to establish a committee to regulate communication among members of the community, especially in an opinionated culture

advanced, easy-to-use, extensible Wiki engine with a full interactive wiki of community user Tiddlywiki-javascript Ōlelo Wiki-wiki for saving pages on git storage ResourcesA variety of resources, such as books, websites and articles, to enhance skills and knowledgeBlog Code as Craft-etsy's operations blog, a large number of technical blogs Devopsguys-devops Consultant, operation and maintenance blog Rackspace