Capgemini-云迁移中如何避免湍流（英）-2023

HOW

TO

AVOIDTURBULENCEIN

CLOUDMIGR

ATIONCLOUD

ADOPTION

IS

ACCELERATING,CLOUD

STR

ATEGY

IS

LACKINGThesedayscompaniesareeagertomovetheiroperationshowwelldoesthecloudstrategylineupwiththecompany’slong-termbusinessobjectives?tothecloud.RecentstatisticsbyGartnerbackthisup:80%ofcompanieswillshutdowntheirtraditional

data

centers

by

2025,[1]and92%ofenterprisesalreadyhavea

multi-cloudstrategy.[2]Butthere’sa

lingeringquestion:Withouta

strongstrategyandskilledpeople,a

businesswillbeunpreparedifitrunsintostrongheadwindsthatthreatentoknockitoffcourse.[1]

/smarterwithgartner/the-data-center-is-almost-dead[2]

https://resources.fl/web/pdf/report-cm-state-of-the-cloud-2021.pdf2HOWTOAVOIDTURBULENCE

IN

CLOUDMIGRATIONTHE

DIFFERENCE

WILLBE

IN

THE

STR

ATEGYMostorganizationshavelegitimatereasonsforwantingtotransitionfromon-premisesdomainstodistantcloudproviderservers.

Afterall,it’sexpectedthattheywanttomakeuseofcloudtechnology’smanybusiness-changingcapabilities.Thebenefitsspeakforthemselves:IT

modernization:Business

innovation:•Reduced

TCO•••••New,advanced

use

casesthrough

app

andinfra

consolidationthat

create

added

valuefor

the

business••Sustainability

throughon-demand

IT

servicesFastreaction

to

marketdisruptions

with

agilecloud-native

technologiesImproved

securitythrough

codified

andautomated

securitydecisions

and

policyOptimized

businessoperations

using

cloud-based

AI/ML••On-demand

scalabilityusing

cloud

providers’capacity,

automation,and

orchestrationSmarter

decision-makingdriven

by

real-timedata

insightsBetter

customerFasterservice

deliverythrough

automation

ofprocesses

and

operationsexperiences

throughinstant

customerfeedback

and

insight•Improved

employeeproductivity

through

ITself-service3HOWTOAVOIDTURBULENCE

IN

CLOUDMIGRATIONCloudmigrationcanbemotivatedbyvariousreasons.Theymayrangefrompracticalconcernslikeanexpiringdatacenterleasetoambitiousgoalslikemodernizingapplications,drivinginnovation,expandingthebusiness,reducingITcarbonemissions,andtakingadvantageofthecloud’sadvancedAI/MLandIoTservices,

whicharenotavailableon-premises.Sincemovingtothecloudtypicallyinvolvestransferringdigitalservices,

databases,applications,andotherITresourcesthroughrehosting,replatforming,andredeployment,

manysolutionproviders’migrationmethodswillbesimilarinnature.However,theirapproachtohelpingorganizationsdecideontherightmotivationandstrategyfora

cloudmovecouldbeeitherspotonorcompletelyoff.That’swhyit’sessentialtocarefullyevaluatetheoptionsavailableandselectanexperiencedpartnerthatcanprovetheycaneffectivelymeetanorganization’sneedsandgoals.Thisproofwillbeevidentintheearlyplanningstages.4HOWTOAVOIDTURBULENCE

IN

CLOUDMIGRATIONSTRATEGIZING

FOR

SUCCESS:KEY

CLOUD

MIGRATION

FACTORSWhichcloudtransformationstrategyisbest?Shoulditincludeoneormultiplecloudproviders?Publicorhybrid?Agnosticorplatform-canmakethemostofa

provider’s

pre-builthealthcarefunctionalities,whichcouldentailleavingbehindsomeoftheiron-premisesapplications.As

partofthisimplementation,thefocusonanagnosticsolutionand/dependentsolutions?Thewhirlwindofquestionscanseemdaunting.Buta

goodpartnerwillhavetherightanswersandtogetherwiththeorganizationwillconsiderkeyparametersbeforeplanningany

cloudmove:ora

sovereigncloudshouldalsobeconsidered.Cost

of

cloud

migration

and

tools.

Cloudmigrationisa

complexprojectthatinvolvesseveralphasesandsignificantcosts.Alongwithconsideringthefinancialimpact,

companiesshouldalsoweighthepotentialcarbonfootprintsavings.Fortunately,

manycloudprovidersoffercostestimationcalculatorstohelptallyuptheexpensesinvolvedinthemigration,includingtheservices

ofcloudexperts.It’salsoessentialtofactorintheeffortneededtoadapttheorganizationandreskillemployees.The

business

needs.

Prioritizingbusinessneedsandtargetsiscrucial,asorganizationalchangescandirectlyorindirectlyimpactbusiness.Definingbusinessobjectivesisthefirststepinpubliccloudadoption,includingevaluatingcurrentproblemsandexpectedbenefits.Choosing

the

right

cloudprovider.

Althoughthisiscrucial,itcanalsobevery

confusing.CloudproviderswillhandleconfidentialtransactionsandimpactthecoreCloud

service

model.

Publiccloudprovidersofferdifferentservice

models,suchofanorganization’sITstrategy.Thoroughevaluationandconsiderationasinfrastructureasa

service

(IaaS),platformasa

service

(PaaS),andsoftwareasa

service(SaaS).Theservice

modelshouldbeconsideredbasedonthetypeofcompute,data,storage,applications,andexistingsoftwarelicenses.ofvariousparametersandservice

comparisonsarenecessary

todeterminethebestfitforwhatthebusinesswantstoaccomplish.Manycloudprovidershavesector-specificservices.Forexample,a

pharmaceuticalcompany5HOWTOAVOIDTURBULENCE

IN

CLOUDMIGRATIONSustainable

IT.

IToperationshavea

significantSecurity

and

compliance.

Althoughthecloudisequallysecureasanon-premisesenvironment,

securityisstilla

topconcernfororganizationsduringanymigrationprocess,asnewenvironmentscanintroducevulnerabilities.To

addressthis,it’sessentialtoprioritizesecurityandcompliancebyimplementingappropriateframeworksandaccesscontrolsinadvance.carbonfootprint,

buttheyalsohavethepotentialtocontributetoCO

savings.Oneeffective2waytoreducethisfootprintisbymigratingtoa

cloud-basedITlandscapewitha

betterPUE(powerusageeffectiveness)valueandoptimizingarchitecturesthroughcloudservices.

Additionally,selectingdatacentersinregionswitha

cleanerenergymixcanhelpreducecarbonemissions.It’salsoimportanttodevelopa

corporatesocialresponsibilitystrategythataddressesenvironmentalimpactsacrossdifferentbusinessareas.TrainingIT

staff.

Organizationalchangerequiresstafftoadapttoandworkinanunfamiliarenvironment,

andtheintroductionofmoderntechnologyina

companyisnoexception.To

ensurea

smoothmigration,theremustbea

plantotrainITpersonneloncloudmanagementareassuchasAWS,

MicrosoftAzure,

GCP,

andothercloudvendors.The

cloud

approach.

Optingfora

hybridormulti-cloudapproachhelpsavoidvendorlock-inandreducestheriskofa

singlepointoffailure.Recentresearchsuggeststhatlargeenterprisesareincreasinglyadoptingatleasttwocloudproviderstorunmission-criticalworkloadsandapplications,andthistrendislikelytocontinueinthefuture.[3]

Adoptinga

hybridapproachalsooffersadditionalbenefitssuchasimproveddatasecurityandhighavailability.Lastly,managingthestrategicmovementofcloudandoperationsrequiresexpertassistance.PartneringwithanexpertsolutionprovidertomanagecloudinfrastructureandapplicationscanhelporganizationsmeettheirSLAs,

ensuresystemuptime,andreceivetimely24x7support.[3]

/apac/news-releases/97-percent-of-enterprises-in-asia-pacific-using-public-cloud-have-adopted-a-multicloud-infrastructure-provider-strategy-301787935.html6HOWTOAVOIDTURBULENCE

IN

CLOUDMIGRATIONA

DISCOVERY

ASSESSMENT

CAN

ENSUREA

SAFE

AND

SMOOTH

DEPARTUREAlmostevery

organizationhassometechnicaldebt.

Accordingtoa

recentOutSystemstheapplicationfora

cloudplatform),orrebuilding(createa

betterversionoftheapplicationreport,

"Thegrowingthreatoftechnicaldebt,"a

survey

of500globalITleadersrevealedthat69%acknowledgethattechnicaldebtisslowingtheirorganization’sprogress.[4]

That’swhy,inadditiontoa

solidcloudstrategy,it’softena

goodideatoassessthecurrentITlandscape,asmovingrarelyusedorlow-performingapplicationswillonlyincreasecloudstorageandruncosts,nottomentioncomplexity.Althoughcloudservices

cansignificantlytransformIToperations,ifsomethingisn’tworkingwellon-premises,itprobablywon’trunanybetterinthecloud.That’swhya

simpleliftandshift–redeployingtheon-premisesapplicationinfrastructureinthecloudwithfewtonochanges–

willbringunsatisfactory

results.inthecloud).Ifnoneoftheseoptionsaresuitable,replacingtheapplicationwithsoftwaredeliveredasa

service

isalsoa

goodalternative.Thedesignofthesoftwarearchitectureintheclouddetermineshowmuchhardware/networkandelectricalpowerisrequired.Therefore,a

goodpracticeistoprioritizeextensivearchitecturemodernizations,especiallyforlegacy

applications.Capgeminihascreateda

uniqueapproachtoITmodernizationthatprovidesorganizationswithfact-baseddecisionstoacceleratechange.Oureconomicapplicationportfoliomodernization(eAPM)Studioisa

SaaSapplicationthatcancreatea

digitaltwinofanyITlandscape.Becausehumansrespondtoandprocessvisualdatabetterthananyothertypeofdata,allITassetsareshownusingbubbles,treemaps,andSankeydiagrams.Thesevisualrepresentationsshowexactlyhowapplicationdataisinterlinkedacrosskeyservices,

makingiteasiertoidentify

whichapplicationsandservicescanbesafelyredeployedinthecloudandwhichshouldbereplatformed,refactored,rebuilt,

replaced,orretired.Conductinga

thoroughITlandscapeassessmentisessentialfororganizationstogainvisibilityintotheirapplications,servers,

andinfrastructure,andunderstandtheirmanagementlocations.ThisassessmentcanhelpdeterminewhichITassetsareeligibleformigration,whichonesshouldberetired,andwhichmayneedtoundergoreplatforming(upgradeandrevisetheapplicationtomakeitcloudready),refactoring(re-architect[4]

/1/growing-threat-technical-debt/7HOWTOAVOIDTURBULENCE

IN

CLOUDMIGRATIONDETERMINING

THE

CLOUD

POTENTIALOF

BMW's

HEFTY

APPLICATION

PORTFOLIOLeadingglobalautomakerBMWGrouprecognizedtheimportanceofoptimizingitsproductandservice

developmentprocessbymodernizingitsITlandscape.Withofthecompany’sITportfolio.Basedontheirobjectives,theyreceiveddetailedrecommendationsforeachapplication,includingcalculationsforthemigrationeffortforallpossiblescenariosaswellaspotentialblockersandimpediments.anincreasingdemandforsoftwaresolutions,thecompanyaimedforshorterdevelopmentcycles,

greaterscalability,andautomation.Theywantedtoleveragecloudtechnologytoprovideimprovednetworkservices

forproductionandlogistics,witha

specificfocusoncustomer,vehicle,andfactory

areas.However,beforemigratingtothepubliccloud,theyneededtoevaluatethecloudreadinessofthousandsofapplicationsanddeterminetherealvalueofmovingthem.Thecloudroadmapsuppliedtotheautomakerincludeda

simulationofinstancepricingfordatabasesandapplicationserversfordifferentcloudproviders.Moreover,theroadmaphighlightedthepotentialCO

savingsbyshiftingapplicationsfrom2thecurrentserver

structure.Withthisinformation,thecompanycannowconfidentlymanagetheircloudtransformationjourney,fullyunderstandingtherisksandbenefits,andtakeadvantageofthelatesttechnologyadvancementstooutpaceitsrivals.Thankstoa

comprehensiveapplicationassessment,

theautomakerwasabletocollect,analyze,andvisualizeapplicationdatafromitsexistingsources.TheresultsoftheassessmentprovidedinsightsintothecloudmigrationpotentialMoreinfoonthisstoryhere.8HOWTOAVOIDTURBULENCE

IN

CLOUDMIGRATIONLET

OPPORTUNITY

COINCIDE

WITH

PREPARATIONWhilemovingtothecloudcanoffernumerousbenefitsandopportunities,italsocomeswithmanychallenges,suchasmulti-cloudcomplexity,

security,cost,

legacy

operations,andskillsshortage.It’sonlya

trulywisedecisionifaccompaniedbya

well-plannedandexecutedstrategythatlinesupwithexpectedbusinessoutcomes.Butfirsttheremustbea

motivationforgoingtothecloud,anditmustbeclearlydefinedandagreeduponbyallcompany

stakeholdersbeforeproceedingwithimplementation.Withtherightskilledguideatthehelm,navigatingthecloudcanbesmoothsailing.Bytakinga

strategica