5 0 obj AWS supports the seven most common migration strategies, the 7 Rs (p. 13). AWS, or you can transfer an Amazon Relational Database Service (Amazon RDS) DB instance to another VPC or AWS account. The rehost migration strategy involves leveraging AWS Infrastructure-as-a-Service (IaaS) offerings to redeploy workloads on a cloud instance. A strong migration plan starts with a deeper understanding of the interdependencies between applications, and evaluates migration strategies to meet your business case objectives. Pick a cloud model: public, private or hybrid. AWS Application Discovery Service helps you plan migration projects by gathering information about your on-premises data centers. Version upgrades or third-party equivalents By The replatform strategy keeps your legacy application running without compromising Most rehosting can be automated with tools (e.g. Suitable for applications running on VMware servers and local Kubernetes distributions, For organizations looking to expedite cloud migration at a fraction of the cost, while looking to eventually add further changes, For organizations considering a move to AWS cloud but are concerned about the risks involved in comprehensive migration of legacy apps in one go, Organizations looking to leverage cloud-native capabilities without having to design systems from scratch. 5percent, known as zombie applications. application efficiently, to reduce costs, or to take advantage of cloud capabilities. containerized applications by using the AWS We're sorry we let you down. AMS takes responsibility for operating your cloud environment post migration, such as analyzing alerts and responding to incidents, enabling your internal resources to focus on the more strategic areas of your business. Will end-users be able to access the product or system faster with a geographically distributed content delivery network (CDN)? Instead, we recommend rehosting, Network changes, data migration, and . 20percent over a period of 90days, known as idle If you've got a moment, please tell us how we can make the documentation better. Overview of Replatforming Gartner's Migrating Applications to the Cloud is the seminal work of cloud migration strategies. It should reduce accidental data losses. These resources were developed by experts and are based on years of experience helping customers realize their business objectives on AWS. phase of the migration process Portfolio Discovery and Planning. As the migration approach fully leverages cloud-native capabilities, its mostly leveraged for workloads that require enhanced application performance and user experience while minimizing operational overheads. AWS DMS supports homogeneous migrations such as Oracle to Oracle, as well as heterogeneous migrations between different database platforms, such as Oracle or Microsoft SQL Server to Amazon Aurora. AWS can help you develop this business case using the AWS Cloud Economics Center, a proven methodology based on hundreds of customer engagements that delivers a compelling, Board-level business case and justification prior to embarking on a large-scale migration. Most companies use several applications on different servers and separate networking equipment. archive. Replatform. Application migration is the process of moving a software application from one computing environment to another. This affects the You can use Control Tower to manage your AWS environment during and after the migration. Refactor. AWS Landing Zone solution helps you set up a secure, multi-account AWS environment based on AWS best practices. For a list of migration patterns for the refactor migration strategy, see Re-architect on the AWS Prescriptive Guidance website. This is the fourth in a five-part series covering the practical realities of migrating applications to AWS: In this post we explore the Replatforming migration method in the same consistent manner as the other three methods using the following outline: If you want to access the whole series in one sitting, you can go get the Cloudsoft white paper: Everything you need to know about Migrating Applications to AWS. 44 Before migrating to the cloud, there's a checklist of things to take into account. It can lead to Refactoring of application components to exploit more cloud services, but often Replatforming specialists are not programmers so this is as cloud-native as they get. (physical, virtual, or another cloud) to the AWS Cloud without worrying about compatibility, Conduct staff training. AWS Database Migration Service (AWS DMS) helps you migrate data stores into the AWS Cloud or between combinations of cloud and on-premises setups. Access speed. For 2023 Cloudsoft Corporation Limited. The new application should provide more Supported browsers are Chrome, Firefox, Edge, and Safari. Plans to migrate to software as a service (SaaS), Mainframe or mid-range applications and non-x86 Unix run on a Linux operating system. licensing issues. hbspt.cta._relativeUrls=true;hbspt.cta.load(525875, 'b940696a-f742-4f02-a125-1dac4f93b193', {"useNewLoader":"true","region":"na1"}); The migration strategies used by AWS are approaches that can be used to migrate applications and underlying components from on-prem or other cloud services to AWS. Establishing KPIs that go along with your business goals is the right way to understand if everything works fine or not well enough. Gc*^kj(`>kw.c=Nu9d6TT"R8,u[0-;{&S4{wL}km7[=}:C01}AT{\|q:YY>]G6c3;=iTiAn92U^iK)]8\\F7eB }2vYd;eV4cSwC~ce3ylw QE2c9m[ yV=/t&@,mN=rnsKnQ'h h6CyB5mKMk@:Varf4Pdsn$ek`6x@5P*{y'='yx%=H9F]h.}G.c5l UNW|0&Vd">"C^`sxh'V|L;R`21#{:6/:QZt%ANp-Z> qkcjLV EER)`Is17ix}hXv]bU{$ZX}H7G!&*jr6&FR 4?hg/mHut7 {3l/,yNy@_L``Wsu"7?SJ0#n1c "W2xvlO[`/l;2'=YSMRb7 mN~uC D7s. quickly or address customer needs and demands. You can use the utilization and performance data from your High risk You might decide to retain an These capabilities help your upgrading and testing process. Do it repeatedly to adjust the backup strategy when its necessary. Replatform reduces cost and improves performance by migrating to a managed or serverless service, moving virtual machines to container, and avoiding licensing expenses. the AWS Cloud. Get started by engaging with Migration Evaluator, which provides a total cost of ownership (TCO) projection for AWS based on your actual utilization of resources and our years of helping customers optimize their compute, storage, database, networking, and software licenses on AWS. The replatform migration strategy increases the flexibility, agility, and resilience of workloads while enabling cloud-native capabilities such as automation. You might choose to migrate CloudEndure Migration, AWS VM Import/Export ), although some customers prefer to do this manually as they learn how to apply their legacy systems to the new cloud platform. The Snow Family, comprised of AWS Snowcone, AWS Snowball, and AWS Snowmobile, offers a number of physical devices and capacity points, most with built-in computing capabilities. Stephen also spent 11 years at Bloomberg LP, holding a variety of leadership positions across their equity and messaging platforms, before founding Bloomberg Sports in 2008, where he served as CTO. In other words, how much time and money you can save from deploying and configuring components in the cloud compared to on-premise. Most rehosting can be automated with tools (e.g. Set up a test environment to figure out how your backup plan performs in case of a disaster. Here are some common KPIs to measure before and after migration: Availability. If you've got a moment, please tell us what we did right so we can do more of it. Adopt cloud-native backup tools and practices. Cloud Migration Strategy - Rehost, Replatform, Repurchase, Refactor, Reachitect, Retain, Retire for any cloud such as Azure or AWS or GCP--- Small correction. Turning off applications that you dont need anymore. Before you start to migrate first few applications, Landing Zone solution helps set-up your initial security baseline for your core accounts and resources. The following are common use cases for the refactor migration strategy: The legacy mainframe application can no longer address the demand of the business due requirements. These strategies build upon the 5 Rs that Gartner outlined here in 2011. your business goals and your target platform. The AWS Partner Competency Program has validated that the partners below have demonstrated that they can help enterprise customers migrate applications and legacy infrastructure to AWS. With their help, companies can migrate faster, reducing costs and various risks. You want to reduce the security risks of operating an application that uses an IBM AS/400 and Oracle Solaris. tables) and retain those tables on premises. releases, and to reduce costs. If you can wire stuff together like a web app to a database, typical sysadmin stuff, then you can probably do Replatforming: For example, a common shaping activity during Replatforming is to just move your data and not your database to the cloud, and instead "migrate" to a managed relational database service such as Amazon Relational Database Service (RDS). In all of these cases, Migration Hub can help with your cloud transformation journey. DataSync does full initial copies, incremental transfers, and the verification of transferred data. Graviton Processors, custom-built processors developed by AWS. Cloud migration for enterprises refers to the process of moving applications and data into the cloud from legacy systems. When you only need to generate right-sized EC2 instance recommendations for running on-premises workloads in AWS, use AWS Migration Hub. Replatform. Maybe youre still riding out some depreciation, arent ready to prioritize an application that was recently upgraded, or are otherwise not inclined to migrate some applications. AWS Control Tower automates the set-up of a baseline environment for running secure and scalable workloads in AWS based on prescriptive best practices that enable guardrails for security, operations, and compliance. You might want to retire applications based on their performance. In this situation, you need to refactor your The AWS Snow Family helps customers that need to run operations in austere, non-data center environments, migrate large amounts of data off on-premises environments, and in situations with lack of consistent network connectivity. One critical aspect of developing your migration strategy is to collect application portfolio data and rationalize applications using the seven common migration strategies: relocate, rehost, replatform, refactor, repurchase, retire, or retain. As part of the mobilize phase, you create a migration plan and refine your business case. VMware Cloud on AWS (VMC) allows you to quickly relocate hundreds of applications virtualized on vSphere to the AWS Cloud in just days and to maintain consistent operations with your VMware Cloud Foundation-based environments. The following are common use cases for the repurchase migration strategy: Moving from a traditional license to SaaS This cloud-based application. You can also use the relocate strategy to move instances or objects to a different virtual application with a different version or product. For more information, see Best practices for assessing applications to be retired during a migration to the AWS Cloud. Will the operational load on system maintenance go down after migration? Our comprehensive portfolio of AWS migration tools and our mature third-party migration tooling ecosystem provides automation and intelligent recommendations based on AWS machine learning to simplify and accelerate each step of the three-phase migration process. You have a monolith application that is already hindering efforts to deliver product 7 0 obj The cloud migration checklist includes: Establish the migration-architect role. Retain. Refactoring / Re-architectingRe-imagining how the application is architected and developed, typically using cloud-native features. security and compliance. Steps Of Replatforming In AWS. When you just need to generate right-sized EC2 instance recommendations for running on-premises workloads in AWS, use Migration Hub. You can improve performance by migrating virtual machines into containers, without Retiring the application means that you can shut down the servers within that complicated to manage for a large number of applications. Often considered the most complex AWS migration option, refactoring involves re-architecting workloads to support AWS cloud-native capabilities from the ground up. When migrating from one database source or version to a new platform or software version, AWS Database Migration Service (DMS)keeps the source database fully operational during the migration, minimizing downtime to applications that rely on it. Many organizations can accelerate their migration and time to results through partnership. 2023, Amazon Web Services, Inc. or its affiliates. Most apps are three-tier web, app, database with load balancers and firewalls and caching and things like that. Once you have your business case, review the migration and modernization strategies, guides, and patterns provided through AWS Prescriptive Guidance. The transition from local servers to the cloud is a multistep process that requires thorough preparation. ?fQRb!8$)8&BE6q[Z@&sU9/.2LifXQOf2C#R$P=6NGGf{IvvEs\9aW. infrastructure, and licensing. This strategy helps you to scale your applications without implementing any cloud For example, you This post outlines 6 different migration strategies we see customers implement to migrate applications to the cloud. While each of these posts stands on its own, I believe they go better together. !;WTjWdYI2;FarPYW`#"a Gj4[mV{Xh AWS DataSyncis a data transfer service that simplifies, automates and accelerates moving data between on-premises storage, and Amazon S3, Amazon Elastic File System (Amazon EFS), or Amazon FSx for Windows File Server. The table below compares the merits, disadvantages, and most appropriate use-case for each migration model: Considered suitable for redundant workloads and legacy applications that are no longer in use. need to extract some tables (such as customer information, patient, or patient diagnosis These gateways address use cases such as moving backups to the cloud, using on-premises file shares backed by cloud storage, and providing low-latency access to data in AWS for on-premises applications. You can reduce costs by moving from a Microsoft Windows operating system to a Linux Choose your level of cloud integration. Without a clear understanding of the scope of the migration, you're likely to underestimate your migration budget and timeline. Here you might make a few cloud (or other) optimizations in order to achieve some tangible benefit, but you arent otherwise changing the core architecture of the application. For example, cloud load balancers can be immediately swapped in to replace in-VM load-balancers during migration to reduce the number of virtual machines, configurations and operational processes to be migrated without changing the application. The 7 Rs dene migration approaches in terms of time and cost to migrate. recoding and re-architecting a custom application by repurchasing a vendor-based SaaS or application because it requires a detailed assessment and plan prior to migration. Javascript is disabled or is unavailable in your browser. business value for migrating some applications to the cloud, such as those with only a few The DBMS needs to be changed, or the internal format of the same DBMS system needs to change to the little-endian format supported in the Intel world; for example, migrating from the IBM pSeries to Azure. transfer servers in bulk from VMware software-defined data center (SSDC) to VMware Cloud on Here are my two cents on that. There are times when you cant install an agent-based migration service on your server. However, there are infrastructure-as-code (IaC) tools that can assist with it. Thanks for letting us know we're doing a good job! You can automate rehosting by using the following services: AWS Cloud To use the Amazon Web Services Documentation, Javascript must be enabled. As this strategy doesnt require significant changes in the configuration and architecture of workloads, its not necessary to retrain staff or invest in upgraded hardware, thereby reducing operating expenses. Your operating model becomes an agile set of people, process, and technology that improves as you migrate more applications. % DevOps specialists can replace manual work with several lines of code and optimize the whole process. AWS Marketplace is a curated digital catalog that helps you reduce costs by not over-purchasing with an in-perpetuity license. Performance You might want to retain The SAP workload's data points help to choose the appropriate migration approach: classical or an SAP Database . Using this knowledge, organizations can outline a plan (which should be considered subject to change as they progress through their migration and learn) on how theyll approach migrating each of the applications in their portfolio and in what order. There are seven migration strategies for moving applications to the cloud, For a list of migration patterns for the rehost migration strategy, see Rehost on the AWS Prescriptive Guidance website. Choosing the replatforming environment. As you iterate and migrate more applications, you will be able to drive repeatability and predictability in processes and procedures, and find that the migration process accelerates. Please refer to your browser's Help pages for instructions. Can you understand how a load-balancer works with a web server and make the connection, wire them together? Create the infrastructure stack using the java-webapp-infra.yaml template (located in the 'config' directory of the repo). You can use Oracle Data Pump to migrate data between your source and target databases. You might have selected This is the migration strategy for the applications that you want to decommission or Replatform (Lift, Tinker & Shift) when organizations have outdated structures to move into IaaS cloud platforms. With rehost, you can migrate a large number of machines from multiple source platforms Perform any necessary refactoring. You might, for instance, migrate an application from one data center to another, from an on-premises server to a cloud provider's environment, or from the public cloud to a private cloud environment. Get personalized insights into your specific migration needs, Get instant access to AWS Application Migration Service to migrate applications, Save time and costs by migrating your databases quickly and securely to AWS, Migrate workloads using AWS Application Migration Service. 4 0 obj AWS Server Migration Service (SMS) is an agentless service which makes it easier and faster to migrate virtual-only workloads from on-premises infrastructure or from Microsoft Azure to AWS when you cannot install an agent. The configuration is duplicated/improved on a replacement cloud service such as replacing Nginx in a VM with AWS Elastic Load Balancer. This is the final installment of a three-part series on migrations. After rehosting or replatforming your application to AWS, Migration Hub Refactor Spaces can help you eliminate the undifferentiated work of building and operating AWS infrastructure for incremental refactoring. This is the migration strategy for applications that you want to keep in your source To do Replatforming you need to know more about the cloud and more about the application than when Replatforming: you need to know more aboutwhat's inside the virtual machine. Migration to Amazon RDS service or EC2 instance. For example, you might want to keep zombie or Repurchasing the application typically reduces costs associated with maintenance, scalability. Backup to S3 and restore to EC2 or RDS. 2. Cloud migration is no different. Also suitable for applications that are required to run on local data centers for compliance or security. Data is the cornerstone of successful cloud application deployments. The budget varies depending on many factors from application complexity to the migrating team's skill and existing toolset. Maintenance costs. Replatforming is a process of migrating a company's assets to the cloud while changing or optimizing a certain portion of the application. applications. There has been no inbound connection to the application for the last We're sorry we let you down. xedqE+j(p4M 5^kGjE8%??/q?c~N Replatforming involves making a few cloud optimizations during migration -- shaping the application towards being cloud-native. All rights reserved. With this strategy, an enterprise can migrate a collection of servers from an on-premises platform, such as Kubernetes or VMware, to the AWS cloud version of the same platform (such as the AWS Elastic Kubernetes Service). We recommend that you replatform an application in the AWS Cloud to use capabilities such as Amazon Elastic Block Store (Amazon EBS) snapshots or cloning an EC2 instance to create an AMI. The replatform strategy keeps your legacy application running without compromising security and compliance. Although you've already done a lot to prevent accidental data losses, you may want to play it safe with critical data. AWS Managed Services automates common activities, such as change requests, monitoring, patch management, security, and backup services, and provides full-lifecycle services to provision, run, and support your infrastructure. Relocating minimizes downtime and disruption since clients remain seamlessly connected during the migration process. EMP workloads. Unresolved physical dependencies You might The strategies vary to suit specific use cases and can be chosen based on the technical capabilities and business requirements of an organization. transition. idle applications in your source environment. You may be looking to reduce the amount of time you spend managing database instances by migrating to a database-as-a-service platform like Amazon Relational Database Service (Amazon RDS), or migrating your application to a fully managed platform like Amazon Elastic Beanstalk. Transport PostgreSQL databases between Amazon RDS DB instances, Configure links between Oracle Database and Aurora, Configure links between Oracle Database and Aurora PostgreSQL-Compatible, Migrate ML Build, Train, and Deploy workloads to Amazon SageMaker using AWS Developer Tools, Migrate OpenText TeamSite workloads to the AWS Cloud, Migrate Oracle CLOB values to individual rows in PostgreSQL on AWS, Migrate an on-premises Oracle database to Amazon RDS for Oracle by using direct Oracle Data Pump Import over a database link, Migrate Oracle E-Business Suite to Amazon RDS Custom, Migrate Oracle PeopleSoft to Amazon RDS Custom, Migrate Oracle ROWID functionality to PostgreSQL on AWS, Migrate Oracle Database error codes to an Amazon Aurora PostgreSQL-Compatible database, Migrate Redis workloads to Redis Enterprise Cloud on AWS, Migrate SAP ASE on Amazon EC2 to Amazon Aurora PostgreSQL-Compatible using AWS SCT and AWS DMS, Migrate Windows SSL certificates to an Application Load Balancer using ACM, Migrate a messaging queue from Microsoft Azure Service Bus to Amazon SQS, Migrate an Oracle PeopleSoft database to AWS by using AWS DMS, Migrate an on-premises MySQL database to Amazon RDS for MySQL, Migrate an on-premises Microsoft SQL Server database to Amazon RDS for SQL Server, Migrate data from Microsoft Azure Blob to Amazon S3 by using Rclone, Migrate from Couchbase Server to Couchbase Capella on AWS, Migrate from IBM WebSphere Application Server to Apache Tomcat on Amazon EC2, Migrate from IBM WebSphere Application Server to Apache Tomcat on Amazon EC2 with Auto Scaling, Migrate a .NET application from Microsoft Azure App Service to AWS Elastic Beanstalk, Migrate a self-hosted MongoDB environment to MongoDB Atlas on the AWS Cloud, Migrate from Oracle WebLogic to Apache Tomcat (TomEE) on Amazon ECS, Migrate an Oracle database from Amazon EC2 to Amazon RDS for Oracle using AWS DMS, Migrate an on-premises Oracle database to Amazon OpenSearch Service using Logstash, Migrate an on-premises Oracle database to Amazon RDS for Oracle, Migrate an on-premises Oracle database to Amazon RDS for Oracle using Oracle Data Pump, Migrate from PostgreSQL on Amazon EC2 to Amazon RDS for PostgreSQL using pglogical, Migrate an on-premises PostgreSQL database to Aurora PostgreSQL, Migrate an on-premises Microsoft SQL Server database to Microsoft SQL Server on Amazon EC2 running Linux, Migrate an on-premises Microsoft SQL Server database to Amazon RDS for SQL Server using linked servers, Migrate an on-premises Microsoft SQL Server database to Amazon RDS for SQL Server using native backup and restore methods, Migrate a Microsoft SQL Server database to Aurora MySQL by using AWS DMS and AWS SCT, Migrate an on-premises MariaDB database to Amazon RDS for MariaDB using native tools, Migrate on-premises MySQL databases to Aurora MySQL using Percona XtraBackup, Amazon EFS, and Amazon S3, Migrate on-premises Java applications to AWS using AWS App2Container, Migrate an Oracle database to Amazon RDS for Oracle by using Oracle GoldenGate flat file adapters, Modernize mainframe batch printing workloads on AWS by using Micro Focus Enterprise Server and LRS VPSX/MFI, Populate your CMDB after integrating AWS Config with ServiceNow, Change Python and Perl applications to support database migration from Microsoft SQL Server to Amazon Aurora PostgreSQL-Compatible Edition, Transfer large-scale Db2 z/OS data to Amazon S3 in CSV files. The complexity of migrating existing applications varies, depending on the architecture and existing licensing arrangements. example, you might replatform a Microsoft SQL Server database to Amazon RDS for SQL Server. business value than the existing, on-premises application, including features such as discovery tool to identify zombie and idle applications. legacy Windows Server applications to the latest, supported versions of Windows Server on Migration Evaluator helps you build a clear business case to accelerate your migration planning. Customers choose AWS to help manage and govern their AWS and non-AWS resources. We've also found that applications are easier to optimize/re-architect once they're already running in the cloud. Set up access levels for your team to make sure the right people get the right files to work with. 6 0 obj 4. Transition to the cloud requires a backup plan. Test the waters. Replacing a custom application You can avoid Migration Hub allows you to choose the AWS and partner migration tools that best fit your needs, while providing visibility into the status of migrations across your portfolio of applications. Javascript is disabled or is unavailable in your browser. Also, suitable for applications that need refactoring due to changing regulatory compliance or threat landscape.