Cloud Computing in the Enterprise2.ppt

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1、Cloud Computing in the Enterprise,From Enterprise IT in the Cloud Computing Era New IT Models for Business Growth&Innovation,Frank Gens,SVP&Chief Analyst,IDCCloud Services Architecture:Making sense of*aaS,(Good Luck)Dening Cloud Computing,Software-as-a-Service“My customer resource management(CRM)sys

2、tem is out on the Internet!”Grids vs.CloudsShared Virtual ResourcesBatch Jobs vs.Online ApplicationsDifferent Approaches to State ManagementNetwork DiagramsA service is“on a cloud somewhere”Virtualization Platforms&APIsHardware can be manipulated with software,What problems are we trying to solve?,1

3、.Cost 2.Scalability3.Flexibility4.Availability5.Portability 6.Collaboration7.Enable new stuff that we couldnt do before!,The cloud-undersea cable view,The cloud-datacenter view,Massive build-out happening right now Google,Microsoft,Amazon,Yahoo are tier 1HP(EDS),IBM,Rackspace?Scale is key,The cloud-

4、logical view,The Cloud:The Universe of all Web Services,The cloud-definitions and hype,Is the cloud:Infrastructure aaS?Grid/utility/on demand computingShared utility eg Amazon EC2Platform aaS?Ready-for-deployment scalable application platformGoogle apps,F,Heroku,Bungee LabsMicrosoft!(Azure)Software

5、aaS?Used to be called application service providers Multitenanted architectures:SalesF,Xero.many,many others(3000 worldwide at least)Wide area SOA?Universe of all(web)servicesWS-*and REST(and Etch?)standardsData as a service?(StrikeIron)*aaS?Universe of all economic servicesCan traditional services(

6、law,accountancy,plumbing)be included in the logical Cloud?,IDC Definitions(Sept 2008),Cloud Services=Consumer and Business products,Services,and solutions that are delivered and consumed in real-time over the InternetCloud Computing=an emerging IT development,deployment and delivery model,enabling r

7、eal-time delivery of products,services and solutions over the Internet(i.e.,enabling cloud services)(From http:/,Key cloud services attributes,Off-site,third-party provider Accessed via Internet Minimal/no IT skills needed to implement Provisioning:Self-service requesting Near-real-time deployment D

8、ynamic and fine-grained scalingPricing model:Fine-grained Usage-based(at least available as an option)User interface:browsers and their successors System interface:Web services APIs Shared resources/common versions(customization around the shared resources),According to research firm IDC,Cloud busin

9、ess models,ConsumptionPay-per-usePerpetual licenseRenewable license/SubscriptionAdvertising fundedBits to objectsValue-add for existing productsBuild a user community,Whats out there right now IaaS(Infrastructure as a Service),AmazonInfrastructure web servicesEC2(Elastic Compute Cloud)-now with Wind

10、ows(99.95%availability!)S3(Simple Storage Service)SimpleDBSQS(Simple Queue Service)Payments and BillingOn-demand workforce(Mechanical Turk)Search(Alexa)Fulfilment web serviceRackspaceMosso JungleDiskSliceHost,Whats out there right now PaaS(Platform as a Service),Google AppsPython onlyBigTable Heroku

11、Ruby on Rails hosted on EC2FApexBungee ConnectBungee Logic(a C-family language similar to C#)Microsoft!Azure-.NET hosted in MS datacentres,Whats out there right now SaaS(Software as a Service),Microsoft Windows Azure,The Azure Services Platform(Azure)is an internet-scale cloud services platform host

12、ed in Microsoft data centers,which provides an operating system and a set of developer services that can be used individually or together.,What problems will come up?,1.Regulatory Issues2.Legislative Issues3.Geopolitical4.Security Vulnerabilities5.Application Architecture6.Hardware dependencies7.Con

13、trol over your servers8.Cost of the cloud9.If it Aint Broke Dont Fix it,A simple cloud services architecture today,The Cloud Provider Continuum,A Cloud Technology Reference Model,Begin with the Basic Data Center,A Cloud Technology Reference Model,Add easy software access to:Elements-HW/SW/Network/St

14、orage Settings,Installations,and CongurationsResources-Reservations from a pool of excess capacity in storage,computing,and network,A Cloud Technology Reference Model,Add some visibility:A Web of Metadata(What uses or contains what other things?)Lifecycle(when and how can things change?),A Cloud Tec

15、hnology Reference Model,Add some real-world context:Governance(Who has authority/responsibility to change,and how?)Architecture Views(How are my concerns addressed?),A Cloud Technology Reference Model,Infrastructure Clouds Start Here:,“Cloud Servers”Try to Extend Infra:,Cloud Platforms,As Perceived

16、Today,How Cloud Platforms Likely Will Evolve,Filling in the Architecture Gap,Why Cloud Computing Is Very Important,Q:Rate the benefits commonly ascribed to the cloud/on-demand model(1=not important,5=very important),Source:IDC Enterprise Panel,August 2008 n=244,When to Bring Cloud Computing Into Pla

17、ns?,Organizations Shifting Fast In Cloud Use,Q:Current and future level use of cloud services in your organization?(1=none,5=widespread),Source:IDC Enterprise Panel,August 2008 n=244,Cloud Computing Is“Crossing the Chasm”,Source:The Chasm Group,Challenges Suppliers Are Tackling,Q:Rate the challenges

18、/issues of the cloud/on-demand model(1=not significant,5=very significant),Implications for IT Strategy&Organization,Implications for IT Strategy&Organization,Cloud will be part of an expanding portfolio of optionsAlong with Traditional On-Premise and Next-gen On-Premise,If organization is a“visiona

19、ry”or“pragmatist”,its time now to start getting experience using Cloud offeringsPhase-in Cloud where the advantages tip the scales,SOA especially as an IT management approach is essential to flexible and integratable IT services sourcingCloud services will allow some offload of SOA implementation to

20、 cloud services providers,and speed the Dynamic IT journey,IT skills portfolio will continue to shiftSupplier Mgt,Web Svcs Dev/Integration,Bus.Process InsightIT Ops“boiler room”,Application technical specialists,When to use cloud services now?,Non-sensitive binary object storage(docs,pdfs,images etc

21、)use S3 or similar NOW!Moving server hosting to the Cloud:business case needs developingManagement tools not matureNot ready for Enterprise apps-but soonAzure will be a key player for PaaSGoogle,SalesForce(?)main competitorsLots of nichesSaaSWhen setting up a new business,use it now!Dont saddle your business with expensive,inflexible,rapidly depreciating assets you dont need!,