思科云计算产业调研报告2013–2018.pdf

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1、WhitePaperCiscoGlobalCloudIndex:ForecastandMethodology,2013–2018WhatYouWillLearn®TheCiscoGlobalCloudIndex(GCI)isanongoingefforttoforecastthegrowthofglobaldatacenterandcloud-basedIPtraffic.Theforecastincludestrendsassociatedwithdatacentervirtualizationandcloudcomputing.Thisdocumentpresentsthedetailso

2、fthestudyandthemethodologybehindit.ForecastOverviewGlobalDataCenterTraffic●AnnualglobaldatacenterIPtrafficwillreach8.6zettabytes(715exabytes[EB]permonth)bytheendof2018,upfrom3.1zettabytes(ZB)peryear(255EBpermonth)in2013.●GlobaldatacenterIPtrafficwillnearlytriple(2.8-fold)overthenext5years.Overall,da

3、tacenterIPtrafficwillgrowatacompoundannualgrowthrate(CAGR)of23percentfrom2013to2018.DataCenterVirtualizationandCloudComputingGrowth●By2018,morethanthreequarters(78percent)ofworkloadswillbeprocessedbyclouddatacenters;22percentwillbeprocessedbytraditionaldatacenters.●Overalldatacenterworkloadswillnear

4、lydouble(1.9-fold)from2013to2018;however,cloudworkloadswillnearlytriple(2.9-fold)overthesameperiod.●Theworkloaddensity(thatis,workloadsperphysicalserver)forclouddatacenterswas5.2in2013andwillgrowto7.5by2018.Comparatively,fortraditionaldatacenters,workloaddensitywas2.2in2013andwillgrowto2.5by2018.©20

5、14Ciscoand/oritsaffiliates.Allrightsreserved.ThisdocumentisCiscoPublic.Page1of41Publicvs.PrivateCloud●By2018,31percentofthecloudworkloadswillbeinpublicclouddatacenters,upfrom22percentin2013.(CAGRof33percentfrom2013to2018).●By2018,69percentofthecloudworkloadswillbeinprivateclouddatacenters,downfrom78

6、percentin2013.(CAGRof21percentfrom2013to2018).GlobalCloudTraffic●AnnualglobalcloudIPtrafficwillreach6.5ZB(541EBpermonth)bytheendof2018,upfrom1.6ZBperyear(137EBpermonth)in2013.●GlobalcloudIPtrafficwillnearlyquadruple(3.9-fold)overthenext5years.Overall,cloudIPtrafficwillgrowataCAGRof32percentfrom2013t

7、o2018.●GlobalcloudIPtrafficwillaccountformorethanthree-fourths(76percent)oftotaldatacentertrafficby2018.CloudServiceDeliveryModels●By2018,59percentofthetotalcloudworkloadswillbeSoftware-as-a-Service(S