《云计算概览》PPT课件.ppt

1、Cloud Computing Basics云计算概览,Nie Hua 聂华 2010-04-25,云里雾里 In the Cloud in the mist,Why we talk about it? 为什么要谈云计算？ Background even P2P分布式计算，并行计算，网格计算，还有P2P等等,Via Google Search Trends,Via Google Search Trends,Forecasts: from business perspective,IDC: “spending on IT cloud services will triple in the nex

2、t 5 years, reaching $42 billion Amazons S3 service to backup ILS, Flickr and Amazon EC2 for upcoming digital repository, and the District adopts the GAPE version of Gmail as its mail platform. 使用Amazon EC2云服务托管网站，Amazon S3服务备份图书馆集成系统，还计划用Flickr和Amazon EC2服务做未来的数字馆藏，,Cloud Computing Libraries： SaaS &

3、 PaaS from Commercial Services,The Eastern Kentucky University Library: Google Docs to collect responses to web forms, Google Calendar for instruction and meeting rooms, and Google Analytics to collect statistics about their website, catalog and blogs. SaaS Google Docs收集网站表格的回复，Google Calendar当作培训和会

4、议的日历，Google Analytics收集网站、目录和博客的使用统计 Western State College in Gunnison, Colorado: Googles App Engine for ELibrary, also migrated other databases to this service.PaaS 其ELibrary使用Google的App Engine，并把两个基于Microsoft Access的数据库迁移过来,Cloud Computing Libraries：DaaS from Publishers & Aggregators,SaaS from Tra

5、ditional ILS Vendors,SirsiDynix: SymphonyILS systemILS集成管理系统 Federated search联邦检索 Authentication and access认证和访问 Digital collections数字特藏 Electronic Reserves Management电子教参管理 Exlibris: AlapheILS system ILS集成管理系统 Primo Discovery & Delivery Interface 发现获取界面 Primo Central 基于元数据聚合整合检索 ,SaaS From Non-Trad

6、itional Library Vendors,Serials Solution Federated Search: 360 Search/WebFeat 联邦检索 Discovery Interface: Aquabrowser 发现界面 Launch SaaS version on March 2010 While Current customers will continue to be supported, new customers will be offered SaaS ONLY. Web-Scale Discovery (Layer): Summon Launch on Jul

7、y 2009, hosted SaaS service ONLY Architect it like Google and other Open Web solutions 6,200+ publishers represented；96,000+ journals at the article-level, most full-text searchable；500,000,000+ items indexed,SaaS ? DaaS ?,OSS & SaaS: LibLime,Koha：OSS ILS 开源图书馆集成管理系统 $299 per year, installation and

8、hosting, up to 75,000 records 年租299美元，含安装和托管，相对于7.5万条记录 Free OSS community support, based on 1000+ Koha library and LibLime created documentations 免费开源社区维护支持 Free 30 days trial30天免费使用 B：编目服务 browser-based cataloging service 基于浏览器的编目服务 data store containing over thirty-million records， the worlds lar

9、gest repository of freely-licensed library records 世界最大的免费图书馆记录（元数据）仓储 Social Cataloging? DaaS? Free! 基于社会网络的编目，免费！,IR:,“Open technologies for durable digital content” To Libraries, universities, research centers, cultural heritage orgs 面向图书馆，大学，文化遗产组织； Ensure digital heritage accessible over long t

10、erm, durable & Usable 保证数字遗产的永久可获取长期保存 It applies Open source & cloud-based technologies & hosted service (SaaS) 基于开源和云计算技术 LC sponsored pilot program, from July 2009-Spr. 2010, 3 partners (NYPL), provide data includes images, video, text in many formats, to test the cloud storage capability,Key des

11、ign features,Leave pure storage in the cloud： Amazon, Atmos, Sun, Rackspace 将存储交给云服务 Overlay additional functionality to ensuring long-term access & easy use, such as ability to replicate and distribute content across multiple cloud providers 在云存储之上增加诸如复制或者跨云发布内容等功能，确保长期获取和易用性 Add value above storag

12、e by enabling the deployment of services to support access, preservation, re-use, and sharing of content stored in the cloud 在云存储之上实现服务分发，支持获取，保存，再用和云内容的分享,OCLC Web-Scale,The end of ILS era ? We will know soon in half hour.,The Philosophy of Cloud Computing,大方无隅，大象无形。道德经by 老子 Lao Zi Theres no way to

13、 describe the transcendence, like theres no limits to a universe. 大人物其实没有时间去做任何琐事，他仅仅坐在那里，成就大业。 A big man has no time really to do anything but just sit and be big. By F. Scott Fitzgerald 云计算将之归于无形，一切皆隐于云中，无形，无音，无象，却实乃至大之象，之强之音，之激之流。 Cloud Computing：everything in the cloud, no shape, no sound, no im

14、age, but actually the biggest image, strongest sound, and rapidest wave.,Exercise: A Library in the Cloud?,Chooses a role： Library Director Heads of library departments IT professional, Cataloger .Or you may be just yourself Think about the questions on the last page Formulate/image a library in the

15、 cloud,Questions:,What will Cloud Computing bring to our library? 云计算会给图书馆带来怎样的变化? Should each individual library pay attention to it? 是不是每一个具体的图书馆都应关注这一新的技术趋势？ How will the library information infrastructure change？ 图书馆IT架构是否将会发生质的变化？ How will the library workflow and management change? 图书馆业务流程与管理方

16、式是否会发生变化？ How will the IT, Cataloging or other units change? And the overall library staffing environment? 图书馆IT部门运作方式，人员结构的变化是否收到影响? How will the library services change? 最终，图书馆对读者的服务方式是否会改变？ More.,Some References：, /duracloud.php Cloud Computing Use Cases, A white paper produced by the Cloud Computing Use Case Discussion Group, 31 July 2009, Dustin Amrhein, et al. Katarina Stanoevska-Slabeva, Thomas Wozniak, and Santi Ristol, Grid and Cloud Computing, a Business Perspective on Technology and Applications, Springer, 2010 Michael Miller, Cloud Computing