tag 标签: cloud

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  • 热度 1
    2018-9-21 12:56
    442 次阅读|
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    以大卖场类比,IAAS就是大卖场的大楼,PAAS就是大卖场的管理办公室,SAAS就是各个专卖店。 In terms of malls, IAAS is the building of the mall, PAAS is the management office, and SAAS is the specialty store. 以电脑类比,IAAS就是电脑的硬件,PAAS就是windows,SAAS就是各种软件。 In terms of computer, IAAS is the hardware of a computer, PAAS is a windows OS, and SAAS is a variety of software. 所谓服务,就是他有你需要的产品,但需要钱,你需要产品,得价钱买。花钱得到了你需要的产品,而且卖方的态度很好,你有一种大爷般的感觉,很爽。不论你有几种几层架构,都会让客户舒舒服服的,有一种云里雾里的感觉,这就是“云服务”。 The so-called service is that he has the products you need, and he needs money. You need the products and you should buy them. You spend money to get the products you need, and the seller's attitude is very good, you feel you are GOD, It is very good. No matter how many layers of cloud service architecture, thecustomersis comfortable. There is a feeling of"cloud service."
  • 热度 1
    2018-9-21 09:47
    583 次阅读|
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    我们经常到大型商场买日用品。一个商场,首先要有一个建筑物,摩天大楼或者地下广场,有对应的水、电、空调等配套设施,这主要是为商铺入驻服务的;然后要有运营服务机构,招商入驻,同时提供保洁、安全等服务配套,这主要是为商铺入驻服务的;最后是各商铺或专卖店,通过各自不同的产品或服务吸引消费者。 We often buy daily necessitiesin largemall. A mall must have a buildingfirst, a skyscraper or an underground plaza, and there arebasicfacilities such as water, electricity, air conditioning, etc., which areservefor the shopsmainly; then there must be an operation service agency, attractingshops, and providing cleaning, security and other services,; Finally,there must have kinds ofshops whoattract consumerwithdifferent products or services. 我们经常使用电脑,首先要有电脑,包括主机、屏幕、键盘、鼠标等,我们习惯称之为硬件;然后需要有操作系统,就是windows;再然后我们使用软件,上网用浏览器,写文件用word等。 We often use computerwhichincludescase, screens,keyboards,mice, etc. We are used to calling it hardware; then we need an operating system, which is windows; then we usedifferentsoftware, use the browser tovisit web, usewordto write fileand so on. 上述两个不同的例子其中有很多相似的地方,首先需要有基本设施,然后需要有充分管理使用基本设施的工具,形成一个可通用的平台,进而,提供个性化的服务。 There are many similarities in the two different examplesabove.There is a need for basic facilitiesfirst, and then toolsare usedthat manage the infrastructure to form a universal platform,thereforeprovide personalized services. 云平台同样如此,基础设施即服务IAAS、平台即服务PAAS、软件即服务SAAS组成了云平台的三层架构。 It is same asthe cloud platform. Infrastructure-as-a-service IAAS,Platform-as-a-service PAAS, andSoftware-as-a-service SAAS form the three-tier architecture of the cloud platform. Fig prifix3.1 Cloud 3 layer
  • 2018-9-21 09:45
    576 次阅读|
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    自动有了云的概念以来,许多公司都自称做了云系统,提供云服务。凡是做互联网的公司,不自称云,都无颜见江东父老。连养老院建一个网站也会叫做云养老。 Since the concept of the cloud has beenproposed, many companies have claimedthat they program the cloudsubsystemsandprovide cloud services. Anyinternetcompanydoes not claim to be a cloudsystemwhich would be embarrassed. Even a nursing homewhobuild a website will be called cloud pension. 那么,什么规模的网络服务可以称之为云? So, what scale of network services can be called a cloud? 投资额千万,用户规模千万,团队百人,沉淀时间三年,仅仅具备了云的雏形。这样规模的云在天空中风一吹,就会消散。更多的所谓云服务,仅仅是一缕轻烟,还可能带着刺鼻的气息。 The investment amount is tens of millions, the user scale is ten million, the team is 100 people, and the build time is three years. It only has the prototype of the cloud. Clouds of this size will dissipate as the wind blows in the sky. Moreservicesso calledcloudare just a light smoke which may also have a pungent smell.
  • 热度 2
    2018-9-20 20:07
    570 次阅读|
    0 个评论
    我们经常会网购、聊天、存储、邮件等。对我们来说,这是非常繁琐的重复的活动,对于一个服务器集群来讲,处理每个人的这些日常活动所消耗的资源微乎其微,即使一台普通的电脑都可以胜任成千上万类似的请求。但是我们估计一下,当X亿的操作同时进行时,对应的资源需要多大?想象一下,每一下上网的请求是一滴小水珠,当几亿滴小水珠汇集在一起以后,是否形成天空中美丽的云? We oftengoshopping, chat, mail, and moreon web.This is a very tedious and repetitive activityfor us.The resources consumed to handle each of these people's daily activities are minimalfor a server cluster, even anormal computer can handle thousands of requests .How much resourcesbeneed when thebillionsoperations are carried out simultaneously?Everywebrequest is a waterdroplet and whenbillions of drops of water come together,itformsa beautiful cloud in the sky. 分布式是云的基础,分布式的核心在于将巨大的计算能力。它是利用诸多联网计算机CPU 的闲置处理能力来解决大型计算问题的一种计算科学。分布式基础上产生了云,区别在于分布式解决的问题是大而专,云解决的问题是小而杂。 Distributed is the foundation of the cloud, and the core of the distributedis the great computing power. It is a computational science that solves large computational problems by using the idleCPUprocessing power of computers on the Internet. The cloud is generated on a distributed. The difference is that the problems solved bydistributedare large and specialized, and the problems solved by cloud are small and mixed. 根据使用的种类,云计算还有一些细分的概念。例如,云存储是指将文件或数据存在网上,云办公是指网络端的办公系统等。 根据云计算资源的使用属性分类,公有云指的是服务于大众的云资源,私有云是服务于某指定客户的云资源。 According to the service property, cloud computing has some subdivision division. For example,storagecloud refers to thedataexistence on the Internet, andofficecloud refers to the office system on the network side. According to the user of cloud computing resources, a public cloud refers to a cloud resource serving the public, and a private cloud is a cloud resource serving a specified customer.
  • 热度 2
    2018-9-20 20:05
    578 次阅读|
    0 个评论
    科学家告诉我们,云是大气中的 水蒸气 遇冷液化成的小水滴或凝华成的小冰晶,所混合组成的漂浮在空中的可见聚合物。 Scientists tell us that the cloud is is a mixture of visible polymers floating in the air which is a small droplet of water vaporized in the atmosphere, or a small ice crystal formed by condensation. 多年之前,有了计算机,然后有了服务器(就是很牛的计算机),把在很短的时间内完成最聪明的人也得算上几辈子的数学题。科学家们很高兴,开始让服务器计算各种难题、偏题、怪题,结果,把服务器累得崩溃了。估计科学家也觉得不太好意思了,于是,找来多个服务器一起干,效果很好。于是,科学家找了更难的难题、偏题、怪题,服务器们崩溃了,再找更厉害的更多的服务器们......科学家们沉浸在这个过程中乐此不疲,还起了很好听的名字:分布式计算。同时,服务器们现在有了一个正规的名称:服务器集群。 Years ago, There appeared the computer and then the server (which is a very powerful computer),the server could count a difficult math problems in a short period of time, but the most intelligent person had to do it of his life. The scientists were very happy and command the server to calculate various puzzles,trickyproblems, so, the server was too tired to collapse. It is estimated that scientists feel shy, they found a few servers to work together and the effect is very good. Thus scientists have found more puzzles &trickyproblems, servers collapsed, so more servers are being used. Scientists enjoyed in this process and named it Distributed Computing and called servers Server Cluster. 普通人崇拜科学家,请求科学家,你们那么厉害,能让服务器干那们累的活,可毕竟这只是一件事。我们没有那么难的问题,但是我们的工作很多,很繁琐,且重复,能不能帮我们解决一下下? Ordinary people worship scientists, ask for scientists: The server do the tired work, but after all, this is only one thing. We don't have such a rare problem, but we have a lot of tedious & repeated work. Can you help us solve it? 科学家们很认真的想了想,很有道理,原来服务器们干的是大事,大事总会结束。但普通人天天做的是无边繁琐的小事且永远不会结束。一台服务器只能做大事的一小小部分,做这些小事那还不是很轻松得做许多? 科学家们给这个新的方式起了个更好听的名字:云。 云,本来就是由好多好多细小的单元构成的。 The scientists thought about it seriously. This is a very interesting question. The servers are doing puzzle things, But what ordinary people do every day is a trivial little thing and never ends. A server can only do a small part of a big event. It should be easy to do these small things? Scientists have given it a better name: the Cloud. The Cloud is composed of many small units originally.
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