A Revolutionary Approach to Cloud Building: CIO Magazine Dossier


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As enterprises consider cloud computing, many
are looking to private clouds to address some of
the risks that come with public clouds. With the emergence of large-scale public clouds from Web behemoths such as Amazon and Google, the notion of a ready-for-the-taking, payas-you-go resource model has caught the attention of many IT users, corporate and otherwise.

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A Revolutionary Approach to Cloud Building: CIO Magazine Dossier

  1. 1. A Revolutionary Approach to Cloud Building As enterprises consider cloud computing, many are looking to private clouds to address some of the risks that come with public clouds.Tech Dossier
  2. 2. With the emergence of large-scale public clouds from Web behemoths such as Amazon and Google, the notion of a ready-for-the-taking, pay- as-you-go resource model has caught the attention of many IT users, corporate and otherwise.But large enterprises in particular aremore likely to be watching the trendrather than jumping feet first into “In time, the balance will shift betweencloud computing. They are con-cerned about the privacy, security evolutionary and revolutionary”and management implications of — Barton George, Dellputting sensitive corporate dataonto a shared, public infrastructure.A more logical starting point, manyenterprises are beginning to figure, instances call for a complete processes and policies to the newis to build private clouds, either on- clean-sheet approach. model. With every step along theor off-premises, that would provide way, the enterprise becomes moremany of the benefits but address Evolutionary vs. agile and achieves greater efficien-much of the risk associated with Revolutionary Path to cies, thus deriving value even beforepublic clouds. realizing the full potential of a the Private Cloud private cloud, George says.Over the next three to five years, For many enterprises, building aindustry watchers expect private private cloud is simply the next step While this evolutionary approach isclouds to become widely used, if not on an evolutionary path that began appropriate in many cases, for somepredominant, within the enterprise with data center consolidation. When enterprises in some instances, takingportfolio of compute models. This a company has established a strong what George calls a “revolutionary”portfolio also includes public cloud virtualization underpinning and is approach to private clouds willas well as traditional computing and working with traditional applications, be more efficient and much morevirtualized resources. an evolutionary approach to the pri- appropriate. vate cloud makes perfect sense, saysMost companies will move toward Barton George, Dell’s cloud comput- This revolutionary approach makestheir private clouds in a slow, steady ing evangelist. use of “new world” applications thatcourse, methodically adapting and are both written and deployed in theevolving their infrastructure and With an evolutionary approach, a cloud. These cloud-native applica-virtualization efforts toward a cloud company gradually builds its private tions are designed from the groundenvironment capable of being cloud by layering capabilities such up for greater scalability and useshared among any number of as automated provisioning, usage- across a multitude of servers. As acorporate applications and users. based billing, resource pooling result, they run more efficiently, are and a self-service portal on top of more responsive and deliver a betterDell, however, believes some virtualized infrastructure as it adapts end-user experience. Tech Dossier: A Revolutionary Approach to Cloud Infrastructure 2
  3. 3. Considering the and scaling it out across multiple This revolutionary approach requiresRevolutionary Approach cloud compute nodes, and utiliz- a new way of thinking about the ing virtual load-balancing following cloud, but one that Van MondfransGeorge suggests that enterprise IT best practices. For example, a cloud says enterprise IT executives shouldleaders should think about taking built with scale in mind will distribute undertake sooner rather than later.a revolutionary approach to cloud the application or database across “This is where the application para-computing when faced with the multiple physical servers, not just digm is going,” he says.following: different virtualized instances onn Greenfield opportunities involving one server.” The Public Spark to the no legacy infrastructure Private Cloud Revolutionn The need to support scalable Also, if Web page load times are cloud-native Web 2.0 applications not satisfactory, the company To guide enterprises on a revolution- (i.e., applications written in and could rapidly add more instances ary path to the private cloud, Dell for the cloud) of the Web site rather than build draws from its experience helpingn A requirement to build out at bigger Web servers, Van Mond- a select group of the world’s larg- such a scale that resiliency and frans says. est Internet companies build pub- availability are architected into the lic cloud infrastructures. Dell has software rather than handled by “Rather than having three really worked directly with Microsoft Azure physical infrastructure. large Web servers, the company and other companies that operate would have 10 smaller Web servers at the leading edge of efficiency and“The idea of scale is really important spread out across the infrastructure. view their data centers as their facto-in the revolutionary concept,” says This adds to availability and overall ries. For these organizations, Dell hasKevin Van Mondfrans, Senior Man- performance, and provides the ability created customized systems built toager, Dell Cloud Solutions. “What to address unexpected peaks more operate in a scaled-out environment,you’re doing is taking an application easily,” he explains. where the availability and resiliency are baked into the application, rather than the hardware. Revolution comes to Data Analytics An enterprise can apply this revolu- tionary approach to data analytics as well. Case in point: the data warehouse environment. Enterprises caught in old-school thinking will typically piece together the data warehouse Tech Dossier: A Revolutionary Approach to Cloud Infrastructure 3
  4. 4. Partners in the Cloud Revolution To help enterprises understand and begin moving partners to help develop and deploy solutions, but down the revolutionary path to cloud computing, the partners will handle ongoing support. Dell has initiated a number of key strategic The ISV partners include Aster Data, for Web 2.0 partnerships through its cloud ISV partner pro- data analytics, and, in roughly the same realm, gram and its development of specialized private Greenplum, for self-service data warehousing cloud solutions. within traditional large enterprises. For example, Dell has teamed with public cloud The third ISV partner is Canonical, which, as the platform provider Joyent to create the turnkey commercial sponsor behind Ubuntu Linux, has Dell Cloud Solution for Web Applications, the teamed with open source private cloud provider first revolutionary cloud solution Dell sells and Eucalyptus Systems to create the Ubuntu Enter- supports. With this offering, Dell combines prise Cloud (UEC). In this partnership, Dell will Joyent’s Web application cloud software with its provide infrastructure support services and cre- cloud-optimized servers, reference architecture ate a reference architecture for the open source and custom services, to provide a platform-as- infrastructure-as-a-service private cloud, while a-service solution. Canonical will handle the application support. “We’ll be offering quite a range on the services “If a customer buys the UEC platform, our refer- side—services an enterprise would need to assess, ence architecture will say, ‘Use these servers, con- design and deploy a private cloud, plus the opera- nected this way, and put this software on these tional help once they have the cloud deployed,” boxes,’ for example,” George explains. “We’ll tell explains Kevin Van Mondfrans, Senior Manager, them how to deploy the cloud, and Canonical will Dell Cloud Solutions. Dell has also recently an- provide software-level support.” nounced that it is teaming with Microsoft to build a revolutionary PaaS appliance based on the All four companies have embraced the revolution- Windows Azure platform. ary cloud approach, Van Mondfrans says. In addition, Dell is working with three cloud ISVs “They’re building on the concept that company’s to offer easy-to-buy and -deploy cloud solutions flexibilities are going to build scaled-out environ- accompanied by reference architectures opti- ments to get better economics and densities,” mized for and validated on its hardware, accord- he says. “They understand that these solutions ing to Barton George, cloud computing evangelist will run better than they would in traditional at Dell. Initially, Dell will work with its cloud ISV environments.”architecture using a couple of large warehouse with commodity x86 basically infinite capacity scaling.front-end servers and a monolithic servers. What I will do is continue to And, if I scale further along theSAN in the background. But follow- add servers as needed with inter- capacity path by adding more serv-ing the new school of thought, an nal storage. I will replicate the data ers, I’ll also get better performanceenterprise IT executive would say, across multiple servers from an because I’ve got more servers r“I can achieve a very large data availability standpoint, and I can get unning the workloads for me.” Tech Dossier: A Revolutionary Approach to Cloud Infrastructure 4
  5. 5. But not just any old commodityservers, even high-end ones, will do. “Customers no longer want to think aboutA revolutionary cloud requiresspecialized servers optimized for the deployment or management of indi-specific workloads—heavy analyticsin the case of the data warehouse, vidual servers. They want to think in biggerfor example. “You have to approach buckets to simplify operations. In addition,system design from a different per-spective, providing less of what you since the application scaling reduces thedon’t need and more of what you do reliance on an individual component,need in this type of environment,”George explains. customers will think about the availability of the module, not the individual server”Systems built for Scale — Kevin Van Mondfrans, DellInspired by the heavily custom-ized servers created for its large,hyper-scale customers, Dell offersa next-generation server series that level-quality private cloud using as Data, Canonical and Greenplum, is tois particularly suited to revolutionary few as 15 of these specialized serv- deliver its cloud hardware in simple-cloud environments: the PowerEdge ers, but most companies that em- to-deploy modules.C series, powered by Intel® Xeon® brace the revolutionary model will bequad- and six-core processors, are looking at much larger server farms. Join the Cloudextremely dense, have ultra-fast Revolutionmemory subsystems and expansive “We expect these private clouddisk capacity. “The CPU, memory customers to begin to organize “The revolutionary approach toand disk meet the workloads at groups of servers into modules the cloud is built on the conceptoptimal cloud performance levels,” across which applications will scale,” that you’re going to have a largeVan Mondfrans says. Van Mondfrans says. “We expect scaled-out environment,” Van customers to deploy compute in Mondfrans says.“We’re using the same enterprise- multi-server or full-rack modules.quality components,” George says, Customers no longer want to think It’s not a matter of “if,” but “when,”“but we’ve taken out things such as about the deployment or manage- adds George, noting that over time,management capabilities that would ment of individual servers. They want scaled-out applications will becomebe redundant when you’re operating to think in bigger buckets to simplify increasingly prevalent in the enter-in a highly intelligent software envi- operations. In addition, since the prise. Embracing a revolutionaryronment. And we’ve doubled-down application scaling reduces the approach to the private cloud, ason things that matter particularly to reliance on an individual compo- appropriate, today will help enter-the applications or when operating nent, customers will think about the prises prepare for that future. nat scale. Power efficiency, TCO and availability of the module, not thedensity become much more impor- individual server.”tant when you’re talking about thisvolume of servers.” Dell’s intention, as evidenced by key strategic partnerships with cloudEnterprises can operate a production pioneer Joyent and cloud ISVs Aster www.DELL.com Tech Dossier: A Revolutionary Approach to Cloud Infrastructure 5
  6. 6. ◗ ADDITIonAL READIng together with the ability to measureIntel Builds a consumption, ensures there is minimal misuse of capacity, thereby allowing ITPrivate Cloud to efficiently support rapid growth while maintaining high availability of services. The Takeaway: Having proved that an IaaS approach could work for Raannd- dD, Intel IT built the case for replicatingBy Rick Swanborg, CIO IT and be a strategic business partner. those efforts across the organization. And with transparent costs, RaannddD The office and enterprise groups’ ef-Intel’s research and development departments across Intel now know forts are now under way, with a focusgroup was the first internal segment to what they’re costing and what they’re on pervasive virtualization and on-increase efficiency with an infrastruc- consuming.” demand self-service for an enterpriseture- and platform-as-a-service ap- private cloud. nproach, improving its server utilization Why It Was Unique: The combinationrate from 59 percent in the first half of of the on-demand self-service por- www.networkworld.com/news2006 to 80 percent today. By reducing tal across Intel’s entire infrastructure, June 14, 2010infrastructure spending and avoidingbuilding new data center facilities, thecompany expects to save nearly $200million. Following this success, Intel ◗ ADDITIonAL READIngdecided in early 2009 to build an en-terprise private cloud for its office andenterprise groups. Cloud Computing:The Situation: From 2005 to 2006,the demand for new business linesdramatically increased the number of The Future of ITdesign teams in motion-all of whichoperated on a non-shared and under- Application Architecturesutilized infrastructure. This, paired with Assumptions we have traditionally used to design application architecturesthe fact that RaannddD represents the are increasingly outmoded, says CIO.com’s Bernard Golden. Applicationvast majority of Intel’s infrastructure, architectures will change — just as much as IT operations — during themade it the logical place to start a next five years due to the nature of cloud computing applications.transformation to IaaS and PaaS.What They Did: Intel implementeda grid computing solution inside itsRaannddD environment that features By Bernard Golden just as much as IT operations — overboth IaaS and PaaS attributes. The solu- the next five years due to the nature oftion is accessible via a self-service portal Last week I wrote about the impact cloud computing applications.and command-line interfaces. The cloud computing will have on IT opera-portal allows users to provision key in- tions. I noted that the increasing scale What are the reasons that applicationsfrastructure services-such as storage-in of data dramatically changes the expec- are going to change so much?hours instead of months. Perhaps most tations of how data centers are oper-important, this approach allows Intel to ated. This week I want to turn to how All of that big data is going to meanmeasure what users are consuming. cloud computing affects IT application software applications are going to need architectures, specifically examining to change to manage it.The project was led by data center the flip side of the coin of data growth:architect Brad Ellison and IT cloud application load. Succinctly put, the as- As I noted last week, IDC projectionsengineering lead Das Kamhout. “Over- sumptions we have traditionally used to indicate that the average company willall, this represents a dramatic change in design application architectures are in- experience a seven-fold increase inmind-set,” says Kamhout. “On-demand creasingly outmoded due to the chang- unstructured data (think click streamself-service allows IT to get out of the ing nature of applications. Application capture and video storage, etc.,way of the business so we can up level architectures are going to change — etc.), accompanied by a doubling of Tech Dossier: A Revolutionary Approach to Cloud Infrastructure 6
  7. 7. structured data (think database row- page, and so on. In the future, a grow- load will vary throughout the entire dayand-colum info). I actually think that ing percentage of computing will be — all 24 hours of it — rather than beingIDC’s projections are understated on driven by non-human activities from focused during business hours. Applica-the structured data side, because of devices like sensors. As an example, tions will need to be much more able tothe constrained assumptions it (very much has been made of the move to dynamically scale.reasonably) brought to its analysis. The smart electric meters — instead of yourremarkable decrease in the cost of IT meter being read by a human walking Application interfaces will change:brought about by cloud computing through your neighborhood, the meter Instead of being human- (and therebywill — no surprise to economics majors itself will connect back to the electric screen-) focused, data will pour intoeverywhere — lead to much larger company data center and upload its applications from other applications,amounts of computing being done, billing information. However, one of sensors, file uploads, and, undoubt-which, in its turn, will lead to larger ap- the other ballyhooed characteristics of edly, things we haven’t even thoughtplication architectures and topologies. these smart meters is their ability to give of yet. So service interfaces and upload real-time readouts of load to users. This interfaces will join terminal interfaces.The Business Use of data about electric usage — the meta- Applications will need to be able toIT is Changing data, if you will — will be invaluable to gracefully — and dynamically — addIn the past, IT was used to automate electric companies to help understand new data streams as inputs.repeatable business processes — taking how usage changes with immediatesomething that already exists and com- pricing feedback. This will result in far Application characteristics willputerizing it. The archetype for this kind more data than just a monthly reading change: The increasing importance ofof transformation is ERP — the automa- being sent to their data centers. And — geolocation in apps will necessitate thetion of ordering, billing, and inventory wait for it — that data will be transmitted rapid ability to shift context and datatracking. That “paving the cow paths” in irregular patterns, leading to highly sets. If I’m driving in a taxi, the “nearby”approach to computing is changing. variable loads, thus affecting the nature services change quickly as the carToday, businesses are delivering new of application architectures. moves down the road. Being able toservices infused and made possible by shunt data in and out of working setsIT — in other words, creating new of- Given how the number, type, and quickly (not to mention being able toferings that could not exist without IT nature of applications are changing, blend contexts as applications sup-capabilities. A dramatic example of this what does this imply for the future port multiple people sharing a “nearby”is the way music services have devel- of applications and, to address the context) will become vital. Naturally, thisoped. Pandora leverages the knowl- specific topic of this post, the future requires high performance.edge of experts to deliver customized architecture of applications? Thesong streams to its customers; Pandora implications are fourfold: Application topologies will becometracks the preferences and feedback more complex: As scale and variabilityof every one of its listeners to ensure Application load variability will in- increase, architecture designs musteach receives a personalized offering. crease: The driver for the vast changes change. I hinted at this last week, whenPandora’s service could not exist with- in resource load variability is application I mentioned the use of memcachedout the support of massive amounts load variability. For hotels, the traditional as a data caching mechanism used toof computing power, which forms the busy times are early morning (check- increase throughput. Complex applica-core of the business. Less dramatic, but out) and late afternoon/early evening tions often incorporate asynchronousno less reliant on IT infusion, is the per- (checkin). In the future, personalized at- processing for compute-intensive tasks;sonalized service offered by high-end tention will mean high application load message queues are often used as parthotel chains. The personal attention at other times. In essence, application of this approach. Therefore, applicationthat employees offer guests — going*way* beyond the “prefers non-smok-ing room” of yore to, say, “likes to seeavant-garde theater and new museumexhibitions” — enables highly specificemployee interaction with customers.And, guess what, it’s all driven by new Cloud computing, with the 24 hourapplications. use cycles, means no downtime forThe Nature of Applicationsis Changing application upgrades.Heretofore, most computing has beendriven by human action — someonemaking a purchase, requesting a Web Tech Dossier: A Revolutionary Approach to Cloud Infrastructure 7
  8. 8. architectures need to change to incor- larger scales, you pay attention to Architecting applications so that theporate new software components and bottlenecks and plan to how to relieve topologies can be changed while usersapplication design. them dynamically. If you don’t expect continue to access individual servers scalability, you don’t examine your requires Toyota-like planning. Like-What are some practical steps you can architecture assumptions critically. So wise, upgrading database schemastake to ensure your cloud-targeted review your architecture for scalability (and data sets) to support new applica-application can support these new ap- bottlenecks. tion versions necessitates Toyota-likeplication requirements? Here are some approaches. nsuggestions: 4. Plan for dynamic application upgrades. Forty years ago, auto man- Bernard Golden is CEO of consulting1. Review software components that ufacturers took two weeks to change firm HyperStratus, which specializesyou plan to use in the application. over factories to prepare for new in virtualization, cloud computing andMany software components were de- model manufacturing. Toyota figured related issues. He is also the author ofsigned to be used in a static environ- out how to do it in two hours. That “Virtualization for Dummies,” the best-ment with manual configuration and meant they had to design for dynamic selling book on virtualization to date.occasional updating. A common de- factory upgrades. Cloud computing,sign pattern for these components is with the 24 hour use cycles, means no www.cio.com/articlethe use of a “conf” file which is edited downtime for application upgrades. January 19, 2010by hand to configure the componentcontext. Once the conf file is com-plete, the component is started (orrestarted), reads the configuration in- ◗ ADDITIonAL READIngformation into memory, and goes intooperation. In a cloud world, in whichcontext changes constantly as new How to Build a Hybridconnections and integration pointsjoin and drop, the “edit and restart” Cloud Computing Strategymodel is unsustainable. Look for com-ponents that have online interfaces toupdate context and dynamically add ordelete connections. Nothing is worse Forrester’s James Staten explains why a hybrid cloud computing strategythan rolling out an application and — one that blends elements of public, internal and hosted cloud comput-later realizing that some part of it can’t ing — may be smartest. He also has four tips for IT leaders on building areally support dynamic topology shifts. secure hybrid cloud plan.2. Plan for load balancing through-out the application. Many applica-tions support load balancing at theWeb server layer, but assume constant By James Staten shared infrastructure model can limitnumbers (and IP addresses) for ap- configuration, security, and SLA speci-plication components at other layers. Cloud infrastructures are a highly ef- ficity, making them a less-than-idealWith very large load variability, other ficient evolution of server virtualiza- fit for services using sensitive datalayers need to be scalable and need tion and the scale-out deployment that is subject to compliancy or safeto support load balancing to ensure model—but companies should note this harbor regulations.consistent throughput. Don’t design an evolutionary path isn’t a fit for all appli-application with the expectation that cations. That being said, cloud comput- 2. Internal clouds. These sit withinonly two application components will ing platforms are more than just shared, your data center and behind company-reside at certain layers. Plan for dyna- multi-tenant infrastructures on the built protections, but they typicallymism and load balancing at all layers. public Internet. Three infrastructure-as- have modest economies of scale due a-service cloud deployment options are to funding limitations and tend to be3. Plan for application scalability. available to enterprises today, each with less automated.Maybe this is hammering the point unique characteristics and economicshome too many times, but double that can help optimize application and 3. Hosted clouds. Hosted clouds runor triple your capacity planning and service deployment objectives: at a service provider on resources thatapplication architecture assumptions are walled off with enterprise-class— maybe even factor in a 10X growth 1. Public clouds. These deliver the protections but managed as a pool.possibility. When you plan for much best economies of scale, but their These fall between the first two op- Tech Dossier: A Revolutionary Approach to Cloud Infrastructure 8
  9. 9. tions, providing more custom protec- plication requirements and business/ what protections must be taken fortions like an internal cloud but with the IT policies. You definitely want to learn what types of data so you can deter-greater economies of scale of being a to walk in cloud environments before mine where applications can safely beservice from a cloud provider. going hog wild and spreading services deployed. Create and publish this as a across lots of cloud deployments but, policy for all application developmentEnterprises should build a strategy that as you gain experience, begin to craft professionals to help guide their use ofleverages all three options via virtual a strategy that streamlines deployment cloud resources. Also, use this guideprivate cloud technologies, which will expenses in much the same way that to set the SLAs for your private cloud,result in a hybrid cloud strategy that you optimize your Web site deploy- whether internal or hosted.optimizes business service deployment ment. The ultimate goal is to speed ITefficiencies. service delivery while reducing costs. 4. Ask your hosting providers about their cloud plans.Virtual private cloud is a technique for 2. Partner with enterprise architects You likely have relationships withextending your organizational trust to get the deployment model right. one or more hosting providers today.boundaries over a series of resources Your Web infrastructure likely spans Get an understanding of what cloudregardless of their deployment. It your data center, a content delivery services they provide or plan to pro-builds off the basic concept of a virtual network, and a hosting provider—each vide to you in the future. Determineprivate network (VPN), but is a more chosen for what they do best and if a hosted cloud is a possibility fromrobust networking concept that lets connected to deliver optimum per- these vendors, what degree of con-you define and control addressing, formance and customer experience. figurability is available, and if they cantopology, protocols, and encrypted Approach cloud computing in the provide virtual private cloud servicescommunications for instances de- same way. Work with your enterprise between your data center and theirployed to cloud computing platforms. architects to determine what types and cloud offerings. nVirtual private cloud technology de- portions of applications and what datafines the network security boundaries sets are the best fit with the specific James Staten is a Principal Analyst atfor the business service and the loca- cloud deployment options discussed Forrester Research, advising IT Infra-tions (types of deployments) where here and create joint policies to guide structure & Operations professionalselements of these services can be appropriate use as new applications on the transformation of the server andplaced or moved. These solutions can are built or readied for the cloud. data center into more efficient, busi-be enabled by two types of offerings: ness-focused ecosystems. He is1) those that focus on the network 3. Build a security model and policy an expert on cloud computing.security layer; and 2) those that ab- with your CISo.stract the application tier across cloud Work with your security and risk man- www.cio.com/articledeployment boundaries. agement professionals to understand May 27, 2009The evolution of cloud computingand virtual private cloud technologiesadd to the ever widening portfolio ofinfrastructure deployment options that ◗ ADDITIonAL READInghelp enterprises match the infrastruc-ture to the needs of the applicationmore efficiently and cost effectively Cloud Computing Shoppingthan has been possible before. Hereare a few tips to ensure the integrationbetween these deployment infrastruc- List: 4 Key Ingredientstures deliver the greatest value:1. View cloud platforms as a portfolioof deployment options. By Rick Swanborg, CIO Sales of cloud-related technology areLook at creating a portfolio of cloud growing at 26 percent per year—sixresources, composed of public, Facing strong concerns about control times the rate of IT spending overall,internal, and hosted cloud deploy- and security, the cloud-computing though they made up only about 5ments linked together with traditional trend has drifted somewhat-- away percent of total IT revenue this year,deployments via virtual private cloud. from the notion that all computing re- according to IDC’s Cloud ServicesLook for ways to optimize—and auto- sources can be had from outside, and Overview report. Defining what con-mate—the deployment and manage- toward a vision of a data center magi- stitutes cloud-related spending is diffi-ment of your business services where cally transformed for easy connections cult, the report acknowledges, thoughmost appropriate based on the ap- to internal and external IT resources. it estimates global spending of $17.5 Tech Dossier: A Revolutionary Approach to Cloud Infrastructure 9
  10. 10. billion on cloud technologies in 2009will grow to $44.2 billion by 2013.Hybrid or internal clouds will be the Sales of cloud-related technology arerule, however; even in 2013, only about10 percent of that spending will go spe- growing at 26 percent per year—sixcifically to public clouds, IDC predicts. times the rate of IT spending overall.Hybrid cloud infrastructure isn’tradically different from existing data-center best practices, except that allthe pieces are supposed to fit neatlytogether using Internet-age interoper-ability standards rather than home-grown kludge, according to Chris Wolf, 2. Security Welty says. “Moving to virtual I/O is aanalyst at The Burton Group. The second critical factor in building a concept shift--you can’t touch most of useful cloud is the ability to federate— the connections anymore--but you’reAs you prepare spending plans that line securely connect without completely moving stuff across a high-bandwidthup with a move to the cloud, consider merging—two networks, Golden says. backplane and you can reconfigurethese four items as key for your list. the SAN connections or the LANs That requires layers of security, includ- without having to change cables.”1. Application Integration ing multifactor authentication, identitySurprise: Software integration isn’t the brokers, access management and, in Virtual I/O servers, such as the Xsiigofirst thing most companies think about some cases, an external service pro- I/O Director servers Welty uses, canwhen building a cloud, but it’s the most vider who can provide that high a level run 20Gbit/sec through a single cordimportant one, according to Bernard of administrative control, according to and as many as 64 cords to a singleGolden, CEO at cloud consulting firm Nico Popp, VP of product development server, connecting to a backplane withHyperStratus, and CIO.com blogger. at Verisign, which is considering adding a total of 1,560Gbit/sec of bandwidth. a cloud-based cloud security service.Integration means more than just Concentrating so much bandwidth inbatch-processing chunks of data being What it really requires is technology that one device saves space, power andtraded between applications once or doesn’t yet exist, according to Wolf: an cabling, Welty says, keeps networktwice per day the way that was done on Information Authority that can act as performance high and ultimately savesmainframes, according to Tom Fisher, a central repository for security data money on network gear.vice president of cloud computing at and control of applications, data andSuccessFactors.com, a business-appli- platforms within the cloud. Today, it’s “It becomes cost effective prettycation SaaS provider in San Mateo, Calif. possible to assemble that function out quickly,” Welty says of the Xsigo of some of the pieces Popp mentions, servers, which start around $28,000Being able to provision and manage but there is no single technology able through resellers such as Dell. “Youuser identities from a single location to span all the platforms necessary to end up getting three, four times theacross a range of applications is criti- provide real control of even an internally bandwidth at a quarter the price.”cal, especially for companies that have housed cloud environment, Wolf says.never been in the software-providing 4. Storagebusiness before and don’t view their IT 3. Virtual I/o As noted, but storage continues to beas a primary product, he says. Having to squeeze data for a dozen the weak point—the hole into which VMs through a couple of NICs will one pours money—of both the virtual-“What you’re looking for is take your keep you from scaling your VM cluster ization and cloud-building world.schema and map it to PeopleSoft or to cloud proportions, according to Billanother application so you can get Welty, Manager, IT Enterprise Archi- “Storage is going to continue to bemore functional integration,” Fisher tecture and Unix Operations at a large one of the big costs of virtualization,”says. “You’re passing messages back digital mapping firm. Golden says. “Even if you turn 90 per-and forth to each other with proper cent of your servers into images, youerror-handling agreement so you can “When you’re in the dev/test stage, still have to store them somewhere.” nbe more responsive. It’s still not real having eight or 10 [Gigabit Ethernet]time integration, but in most cases you cables per box is an incredible la- www.networkworld.com/newsdon’t really need that.” beling issue; beyond that, forget it,” June 07, 2010 Tech Dossier: A Revolutionary Approach to Cloud Infrastructure 10