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. Rehost Rehost commonly mentioned as lift and shift, maybe a direct migration where you're trying to select up and move your applications or environments directly into the cloud while trying to form a couple of changes as possible. The AWS Transfer Family provides fully managed support for file transfers directly into and out of Amazon S3. I bet you use key performance indicators (KPIs) in your company to measure success and identify failures. AWS Marketplace is a curated digital catalog that helps you reduce costs by not over-purchasing with an in-perpetuity license. AWS has the most options to get data to our cloud depending on the nature of the data and the application. AWS EMP for Windows Server User Guide to help you determine your Even if a small part of the application is optimized for the cloud, it can lead to significant benefits. The main business benefit of Replatforming is taking immediate, but modest, advantage of cloud by swapping common components -- and therefore benefiting from cost and performance improvements -- and improving on Rehosting without the risk, complexity, cost and time of a full Refactor. to its limitations or is expensive to maintain. DevOps specialists can replace manual work with several lines of code and optimize the whole process. As part of the mobilize phase, you create a migration plan and refine your business case. AWS Lambda, Amazon Cognito, Amazon MQ, AWS Glue, Amazon QuickSight, etc. To do a Replatform, you need a bit more than a Rehost across all the three vectors of budget, tools and timeline. Those providers offer all cloud models you might need and have convenient cost calculators to estimate the price of their services. retain applications in order to remain in compliance with data residency If you have available network bandwidth, DataSync is the easiest approach to migrate file-based data. Applications that cannot be migrated for some reasons. 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. You might choose retain an application until the SaaS version is released by the vendor. Choose a single cloud or go multi-cloud. Access speed. Then deploy the modeled application. All leading cloud providers have flexible and automated data backups. For example, you migrate your application stack from on-premises 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. AWS Database Migration Service (AWS DMS) helps you migrate data stores into the AWS Cloud or between combinations of cloud and on-premises setups. Stephen is the GM (General Manager) of a new AWS service under development, and author of the book Ahead in the Cloud: Best Practices for Navigating the Future of Enterprise IT https://amzn.to/ahead-in-the-cloud Stephen spent his first three-and-a-half years with Amazon as the Global Head of Enterprise Strategy, where he oversaw AWSs enterprise go-to-market strategy, invented and built AWSs Migration Acceleration Program (MAP), and helped executives from hundreds of the worlds largest companies envision, develop, and mature their IT operating model using the cloud. Storage Gateway provides four different types of gateways: Amazon S3 File Gateway, Amazon FSx File Gateway, Tape Gateway, and Volume Gateway. Adopt cloud-native backup tools and practices. business value for migrating some applications to the cloud, such as those with only a few This strategy is also known as lift and shift. to serve users, which minimizes disruption and downtime. Set up access levels for your team to make sure the right people get the right files to work with. Apply automated migration tools where its possible and appropriate after finishing with backups. AWS Storage Gatewayis a set of hybrid cloud storage services that provide on-premises access to virtually unlimited cloud storage. The configuration is duplicated/improved on a replacement cloud service such as replacing Nginx in a VM with AWS Elastic Load Balancer. 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. Not every decision in a migration can be automated, but our tools help you make easier and better decisions. 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. https://www.linkedin.com/profile/view?id=4575032, Click here to return to Amazon Web Services homepage, A Process for Mass Migrations to the Cloud, An E-Book of Cloud Best Practices for Your Enterprise. Transition to the cloud requires a backup plan. Set up a test environment to figure out how your backup plan performs in case of a disaster. Not having the requisite AWS skills is one of the leading risks of Repatforming: replacing known self-managed components with poorly understood AWS equivalents. To know more about how NetApp can help with your migration, take a look at our guide to migrating enterprise workloads and read about our cloud migration case studies to see the advantages of moving business-critical workloads to the cloud. While migrating to AWS, you iterate on your new foundation, turn off old systems, and constantly evolve toward a modern operating model. Your application continues to serve users while the workloads are being migrated, which When an application is Replatformed into the cloud, it is modestly shaped to be more cloud-compatible but not completely cloud-native --- half-way between Rehost and Refactor. Replatform reduces cost and improves performance by migrating to a managed or serverless Is automated performance scalability beneficial for you? you move your applications from your source environment to the AWS Cloud without making any These services provide a set of tools that enable organizations to migrate applications from on-premises data centers to the AWS cloud. 1. To use the Amazon Web Services Documentation, Javascript must be enabled. Now that youve gone through all preparations, its time to initialize the migration. Often considered the most complex AWS migration option, refactoring involves re-architecting workloads to support AWS cloud-native capabilities from the ground up. You may opt-out by. In such instances, business-critical workloads that operate on inefficient legacy frameworks are retired as the first step towards the adoption of modern, cloud-native deployments. Repurchasing helps teams retire legacy systems and move to a consumption-based, SaaS subscription model that ties IT costs to generated revenue. For more information, see Best practices for assessing applications to be retired during a migration to the AWS Cloud. 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. As your applications move to the cloud, you can useAWS Service Catalog to create and manage catalogs of IT services that are approved for use on AWS. Data is the cornerstone of successful cloud application deployments. 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. Steps Of Replatforming In AWS. These strategies build upon the 5 Rs that Gartner outlined here in 2011. AWS Managed Services can also help you accelerate your migration by providing ongoing management, cost optimization, and operations of your AWS infrastructure, leaving your team free to focus on your applications and build their skills in the cloud. 5 0 obj 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). performance disruption, long cutover windows, or long-distance data replications. When you only need to generate right-sized EC2 instance recommendations for running on-premises workloads in AWS, use AWS Migration Hub. There are six most common migration strategies, also known as the 6 R's: Rehost. Your operating model becomes an agile set of people, process, and technology that improves as you migrate more applications. The approach is often undertaken to help organizations reduce costs, improve performance, and gain scalability. Before you start to migrate first few applications, Landing Zone solution helps set-up your initial security baseline for your core accounts and resources. We've also found that applications are easier to optimize/re-architect once they're already running in the cloud. Evgeniy is a specialist in software development, technological entrepreneurship and emerging technologies. I most commonly see repurchasing as a move to a SaaS platform. Making changes to the application code to benefit from cloud capabilities. environment or applications that you are not ready to migrate. No matter the use case, we have a data transfer method that fits your needs. A migration strategy is the approach used to migrate a workload into service, moving virtual machines to container, and avoiding licensing expenses. xedqE+j(p4M 5^kGjE8%??/q?c~N RepurchasingMoving to a different product. A better answer is to model the application needs using an automation platform, and then make modifications to the model to represent the Replatform shapings. With AWS Management and Governance services, customers dont have to choose between innovation and controlthey can have both. applications, at a given time from on-premises platform to a cloud version of the platform. Enterprise, Standard, Web, Express, and Developer editions. This strategy is used when terminating or downsizing applications that are no longer useful in production. GE Oil & Gas, for instance, found that, even without implementing any cloud optimizations, it could save roughly 30 percent of its costs by rehosting. While each of these posts stands on its own, I believe they go better together. High risk You might decide to retain an You want to improve your security and compliance stance by upgrading your operating tables) and retain those tables on premises. With the cloud, you don't have such an option. All rights reserved. Maybe youre planning, running, and tracking a portfolio of applications migrating to AWS. The rehost migration strategy involves leveraging AWS Infrastructure-as-a-Service (IaaS) offerings to redeploy workloads on a cloud instance. endobj If you've got a moment, please tell us what we did right so we can do more of it. 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. AWS Control Tower helps setup an automated landing zone, which is a well-architected, multi-account AWS environment. 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. 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. You can automate rehosting by using the following services: AWS Cloud AWS Service Catalog allows you to centrally manage commonly deployed IT services, and helps you achieve consistent governance and meet your compliance requirements, while enabling users to quickly deploy only the approved IT services they need. The strategy also saves time and migration costs since enterprises can modernize workloads without rewriting application code. run on a Linux operating system. accessibility from anywhere, no infrastructure to maintain, and pay-as-you-go pricing models. Run an anti-deletion campaign. While each phase is a common component of a successful migration, they are not discrete phases, but an iterative process. If you've been doing cloud for a while, your experience enables you to take some short cuts. This is the migration strategy for the applications that you want to decommission or requirements, especially security and compliance. Here are the strategies you can use for application migration. . This is always variable depending on the application, but the time components are normally consistent across migrations: Replatforming is not only a natural evolution, through experience and skill, of Rehosting: it also gives faster business benefits by adopting cloud services during migration. Best for complex applications with high-usability and a strong business case for performance optimization. The budget varies depending on many factors from application complexity to the migrating team's skill and existing toolset. For example, you 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. Create the infrastructure stack using the java-webapp-infra.yaml template (located in the 'config' directory of the repo). AWS Landing Zone solution helps you set up a secure, multi-account AWS environment based on AWS best practices. AWS MGN keeps your source servers up to date on AWS using continuous, block-level data replication. A good AWS engineer will know how to replace common application components with AWS services. Both Windows and Linux operating system versions. Can you understand how a load-balancer works with a web server and make the connection, wire them together? you recently invested in upgrading your current system. operating system (OS) version or components that are no longer supported. A strong migration plan starts with a deeper understanding of the interdependencies between applications, and evaluates migration strategies to meet your business case objectives. Part 1 - A Practical Guide to Understanding the 6Rs for Migrating to AWS Part 2 - Migrating to AWS Method 1 - Repurchasing, aka Drop-and-Shop Part 3 - Migrating to AWS Method 2 - Rehosting, aka Lift-and-Shift Part 4 - Migrating to AWS Method 3 - Replatforming, aka Lift-and-Shape Part 5 - Migrating to AWS Method 4 - Refactoring, aka Cloud Native Retain. Migration Factory Solution. << /Length 8 0 R /Filter /FlateDecode /Type /XObject /Subtype /Form /FormType Cloud migration for enterprises refers to the process of moving applications and data into the cloud from legacy systems. RetainUsually this means revisit or do nothing (for now). Conduct staff training. complicated to manage for a large number of applications. The strategy also employs limited scaling, making migration costs more predictable. Transferring applications to the cloud modernizing certain parts. Our tools help you assess your on-premises resources and build a right-sized and optimized cost projection for running applications in AWS. ?~;{Xsr/zzn_m}n}n}kZu8[yb?o^c [P}a b3ctGNTP|>pl/K{i=i\o.kT.G The relocate strategy doesnt require that you purchase new hardware, rewrite Forbes Technology Council is an invitation-only community for world-class CIOs, CTOs and technology executives. Without changing the core infrastructure, this approach allows organizations to transfer all application data and workflows to cloud services that match the workloads existing storage, networking, and compute requirements. third-party equivalent in the cloud, you can leverage new features, integrate with cloud 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. 2023 Cloudsoft Corporation Limited. Most importantly, you want to identify the desired business outcomes and develop the business case for migration. A lot of this effort can be automated using the AWS Server Migration Service. AWS offers cloud migration services across all regions where Amazon EC2 instances are available. Using this strategy, you move an application to the cloud and modify its architecture by Choose a migration strategy. 3. Although you've already done a lot to prevent accidental data losses, you may want to play it safe with critical data. planning before migrating them to the cloud. Although the concluding goals are mostly similar for all migrations, the complexity of migrating applications to the cloud varies based on the type of workload, its underlying components, and the business objective. 20percent over a period of 90days, known as idle Time to set up and prepare the target AWS account ready for Replatforming. 1. infrastructure, and licensing. The goal is a successful Replatform, not an exotic one. Choosing to refactor your application and migrate to a cloud-native database such as . Why not just improve Rehosting by making these changes as we go? application stack. In the majority of the database migrations, you can choose to rehost, replatform, or refactor. Will migration make the product more accessible for end-users? Migrate on-premises Java applications to AWS using AWS App2Container. However, there are infrastructure-as-code (IaC) tools that can assist with it. Stephen earned his bachelors degree in computer science from State University of New York College at Fredonia. The equipment purchased for heavy loads can stand idle in the event of a seasonal decline in traffic. Know Your Estate The first step of your migration process involves developing a workload inventory that includes all the virtual machines and servers to be considered for migration. While a well-executed transition offers numerous benefits, organizations must also factor in the risks and efforts required for ongoing maintenance. How emigration is actually livedwell, this depends on many factors: education, economic station, language, where one lands, and what support network is in place at the site of arrival. -DanielAlarcn. Lift-and-Shift (Rehost) Lift, Tinker and Shift (Replatform) Refactor Complete Rebuild Drop and shop Containers Retire Retain We are going to discuss the first three strategies in this post. The following are common use cases for the retire strategy: There is no business value in retaining the application or moving it to cloud. Thanks for letting us know we're doing a good job! AWS Application Discovery Service helps you plan migration projects by gathering information about your on-premises data centers. There are times when you cant install an agent-based migration service on your server. internal users. Implies that you simply clone your servers and move them to the Infrastructure as a Service (IaaS) of a chosen cloud provider. These IT services can include everything from virtual machine images, servers, software, and databases to complete multi-tier application architectures. The guiding principle should be how you can get the maximum benefit out of your migration. 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. 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. As for vendor-based applications, an enterprise may also choose to retain if the service provider plans to eventually release a Software-as-a-Service (SaaS) model. Pick a cloud model: public, private or hybrid. For example, you can use this strategy to legacy Windows Server applications to the latest, supported versions of Windows Server on Application migration is the process of moving a software application from one computing environment to another. This is when they determine what is in their environment, and the migration strategy for each application. VMware Cloud on AWS enables seamless bi-directional application migration with consistent policies by using vSphere vMotion between your on-premises data center and the AWS Cloud without converting or re-architecting any workload. In this article, we discuss the seven AWS migration strategies and explore how NetApp can help organizations migrate on-premises workloads to the AWS cloud. 90days. This media company saved millions in licensing costs on top of the savings and agility it gained by migrating to AWS. The following are common use cases for the retain strategy: Security and compliance You might want to There are seven migration strategies for moving applications to the cloud, 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. If you've got a moment, please tell us how we can make the documentation better. Enterprises typically decide to retain a workload if it relies on another application that needs to be migrated first or when theres no immediate business value in migrating the application to the cloud. Refactor is not recommended for large migrations because it involves modernizing the application Once you have your business case, review the migration and modernization strategies, guides, and patterns provided through AWS Prescriptive Guidance. AWS Server Migration Service is an agentless service that makes it easier and faster to migrate thousands of on-premises workloads to AWS from a snapshot of the existing server. Its typically measured by downtime hours per year. Click here to return to Amazon Web Services homepage, AWS Application Migration Service (AWS MGN). Time to model the application using the automation software. Then model the application. AWS SMS helps you migrate on-premises workloads from VMware vSphere and Microsoft Hyper-V environments to AWS. SC349230. App2Container migration tool, Best practices for assessing applications to be retired during a migration to the AWS Cloud. AWS Prescriptive Guidance provides time-tested strategies, guides, and patterns from AWS and AWS Partners to help accelerate your cloud migration, modernization, or optimization projects. during the migration. If you've got a moment, please tell us how we can make the documentation better. AWS DataSyncautomates moving data between on-premises storage and Amazon Simple Storage Service (S3), Amazon Elastic File System (EFS), or Amazon FSx for Windows File Server transferring data at speeds up to 10 times faster than open-source tools. Extensive testing and monitoring are mandatory in . 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. We're sorry we let you down. application if you need to migrate one or more other applications first. << /Length 5 0 R /Filter /FlateDecode >> endobj Most apps are three-tier web, app, database with load balancers and firewalls and caching and things like that. And to transfer files directly into or out of Amazon S3 using the Secure File Transfer Protocol (SFTP), File Transfer Protocol over SSL (FTPS), and File Transfer Protocol (FTP), we have AWS Transfer Family. releases, and to reduce costs. Prioritize migration components. Do it repeatedly to adjust the backup strategy when its necessary. Best for organizations looking to exercise control over their resources and those considering a hybrid cloud migration. might want to retire applications that have an average CPU and memory usage below Javascript is disabled or is unavailable in your browser. Here are some common KPIs to measure before and after migration: Availability. The first post in this series introduces the concept of a mass migration, which well simply refer to as migration throughout the series, and the second post of the series describes A Process for Mass Migrations to the Cloud.

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