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USE CASE - HYBRID CLOUDIZO MANAGED CLOUDFOR AWS

1. LET’S UNDERSTAND THE MARKET DYNAMICSIn this era of digitisation, the cloud debate is over—enterprises have already moved a sizeable portion oftheir business workloads to various cloud environments in anticipation of scalability, business agility andsignificant cost savings. The question is no longer “Should our company use cloud services or not?”, butrather “How do we seamlessly integrate multiple environments and leverage the advantages ofinfrastructure platforms to maximise the use of agile cloud for our business?”We have seen a significant shift in how enterprises are approaching their technology and informationsystems, as part of a bigger journey towards digital transformation and global strategies. 157% of IT leadersexpect to partner with Cloud Service Providers and Managed Hosting Providers for their hybrid and multicloud initiatives. Enterprises are putting in a lot of effort to build IT models that work for them and securethe technological advantage that will help them improve efficiencies, meet business goals and deliverreturn on investment in the long run. It has been estimated that 230 - 45% of cloud spend by enterprises iswasted due to improper management. This poses real challenges, especially when dealing with multi cloudand hybrid cloud environments and makes it necessary to realign resources to avoid system inconsistenciesor underutilised resources in the cloud.2. HOW ENTERPRISES APPROACH CLOUD ADOPTIONAiming to transform their infrastructure operation models in order to achieve borderless growth as wellas productivity and efficiency, enterprises start their journey by identifying the possible solution, alongwith sought-after drivers such asHybrid CloudMoving towards the hybrid world requires attention from the extended ecosystem of an enterprisebeyond the technology operations staff. Leaders must evaluate themselves and their teams and assesswhether they have the right capabilities and systems in place to hone and synthesise all the ingredients ofinfrastructure transformation.Make business operations more responsive and effectiveTransform the way infrastructure models and resources areaccessed, connected, and leveragedTHE DRIVERSDevelop flexible and readily available computing andstorage resource pools for current gen and next-genapps, irrespective of the premise, that measuresconsumption on “pay per useNeed for an orchestration layer that provides a single viewto operate and manage both the private and public cloudA need to revamp IT platforms to enable innovationand faster response to market demands

IT owners need to weigh multiple factors before making the right decision for their organisation andinfrastructure. One solution approach is to look at the granularity of workloads: considering variousworkloads under their control and their dependencies before making a decision on cloud migration. Keyconsiderations for any cloud journey that must be assessed include:Business impactEvaluating the criticality of underlying applications to business impactCostOverall cost involved to move to cloud solutions, considering availability of cloud-readyapplication architecture, is often the most important criteria for enterprisesInfrastructure aspectAgility and speed of the cloud infrastructure in terms of faster deployment, on-demandscalability, and freedom of choice for technology plays a vital role in decision-making tomove to cloud solutionsSupport aspectOverall service level agreements and scope of Managed Services for the cloud andinfrastructure, supported with security and compliance, prevent migration to cloud if notaddressed correctly and may hinder an enterprise’s cloud journey3. REALISE THE POTENTIAL OF IZO MANAGED CLOUD FORAWS WITH USAs an AWS Advanced Consulting partner, Tata Communications leverages its expertise in managingenterprise IT infrastructure and extends its Managed Services offering (IZO Managed Cloud for AWS)to the workloads that are hosted on AWS Public Cloud. Tata Communications has unmatchedcapabilities in providing IT Infrastructure Services and offers the full spectrum of services acrossprivate, public, and hybrid clouds built around Tata Communications’ Cloud Services and OTMPRIVATECLOUDIZOTMCLOUDSTORAGEAMAZONWEB SERVICESIZOTMIZOTMCLOUDCLOUDCONTAINERS ANALYTICSIZOTMMANAGEDCLOUDManagedIntegratedSecured

a) Hybrid CloudWe help enterprises distribute workloads based on criticality & functionality between private & publicclouds. Our orchestration layer provides single view to operate & manage both the private cloud atTata Communications Data Centres and Public cloud at AWS. Tata Communications Global ServiceManagement Centre which is known as GSMC has certified engineers who are trained in variousindustry standard solutions and best practices that helps enterprises to leverage our IZO ManagedCloud for AWS offerings. It operates 24x7 with continuous proactive monitoring of the infrastructureand shall be the single point of contact for all your IT infrastructure and cloud needs. We provide theright sizing and solution to establish connectivity across multiple options over an internet, ethernetand MPLS at various speeds.On-premises Data Centre or IT infrastructure in our data centres would be connected over a reliableand secured global network to deliver seamless experience through our IZO Private Connect & AWSDirect Connect. Tata Communications offers Private instance hosted in enterprise on-premises DataCentres or in our IZO Private Cloud and public instance on IZO Managed Cloud for AWS. Installation,integration, management and monitoring by Tata Communications over a secure connection.b) Details of AWS products supported by Tata CommunicationsCOMPUTING Lightsail EC2 - Elastic Cloud Compute LambdaNETWORKING & CONTENT DELIVERY VPC - Virtual Private Cloud Load Balancer Route 53 CloudFront Direct ConnectSTORAGE S3 - Simple Storage Service EBS - Elastic Block Store Glacier Storage GatewayDATABASE RDS - Relational Database Service*Tata Communications can work with customer for any custom requirement which can be addressed on acase-to-case basis

OUR MANAGED SERVICES SCOPEControlled accessInternetWAN NWPRESENTATION AND ORCHESTRATION LAYERAny AWS customeracross AWS locationsIZO MANAGED CLOUDFOR AWSTata Communications’ IZO Managed Cloud for AWSIntegrated ITLprocesses24x7x365OS/Infra managementMiddleware servicesJBossTomcatIBM WebSphereMicrosoft IISOracle WeblogicApache HTTP ServerVirtual Machines (EC2)Support data migrationand total implementationDatabasesOracle DatabaseMy SQLIBM DB2Microsoft SQL serverStorage(EBS, S3 and Glacier)Consultation andbest practicesOperating systemsMicrosoftRedhatSuseOracleNetwork (VPC and DX)SeamlessintegrationSERVICE SUITEMANAGEDSECURITY SERVICESPRIVATE CONNECTManaged HostingServices with storageand backup optionsPRIVATE CLOUDCLOUD STORAGE

c) Service variantsIZO Managed Cloud for AWS are offered in two variants. The plan details are as shown belowSERVICESCloud architecture anddesign consultationCustomer portalSILVERStandard templates,documentation &recommendations*WIPGOLDCustomised solutiontemplates, documentation,& recommendationsWIPProactive monitoring &ManagementManaged deployment ofAWS resourcesManaged OS, Storageand Backup, Onboardingassistance, AWS MigrationSupport**Managed database/RDSQuarterly recommendationsbased on monitoring reportsResource optimisationIncident response timeMajor: 4 hrsMinor: 1 business dayTroubleshooting request:3 business daysMajor: 60 minMinor: 180 minTroubleshooting request:1 business day24x7 technical support(Phone/Web/Email)Change request perinstance undermanagement (per month)13Support Request forPaaS*** Services - AnyTesting or New /Changeconfiguration13*Silver plan customers can subscribe to custom solution design services at an additional charge** Migration services are to be subscribed to separately in addition to Managed services to AWS*** Only for services defined in the Scope in the solution document

4. WHY TATA COMMUNICATION FOR IZO MANAGED CLOUDFOR AWSEND-TO-END IZO MANAGED CLOUD FOR AWSBuild, deploy & manageAWS Advanced Consulting PartnerMIGRATION & DEPLOYMENT Workload migration to AWS Greenfield AWS deployment Hybrid cloud deployment & integrationDESIGN CONSULTATION Requirement analysis Comprehensive AWS/hybrid solutions Based on best practicesMONITORING AND MANAGEMENT 24x7 proactive monitoring of AWS ITIL based processes AWS certified expertsTHE TATA COMMUNICATIONS ADVANTAGECloud choice – Public, private, or hybridDeployment models – Standard, flexible,and fit for businessEnd-to-end solution provider – Covers network,infrastructure, security, and emerging technologiesCustomer base - 2000 enterprise customersglobally with 47,000 SME in IndiaDepth of technical expertise – More than a decadeof experience in IT technologies and niche servicesEase of business – Complete transparency in contractstructure and a smooth customer onboarding processSLA-driven service commitmentsCustomers in 190 countries44 data centres with more than 1 million sq. ft.of data centre space

For more information, visit us d/cloud-platforms/izo-managed-cloud/ 2019 Tata Communications. All Rights Reserved. TATA COMMUNICATIONS and TATA are trademarksof Tata Sons Limited in certain countries.

Tata Communications' IZO Managed Cloud for AWS SERVICE SUITE MANAGED SECURITY SERVICES Integrated ITL processes 24x7x365 OS/Infra management Support data migration and total implementation Consultation and . IBM DB2 Microsoft SQL server Microsoft Redhat Suse Oracle. Cloud architecture and design consultation Proactive monitoring & Management