AWS Lambda, Amazon Cognito, Amazon MQ, AWS Glue, Amazon QuickSight, etc. architecture of your application. Most apps are three-tier web, app, database with load balancers and firewalls and caching and things like that. For more information, see Best practices for assessing applications to be retired during a migration to the AWS Cloud. archive. NetApp offers multiple solutions to support organizations looking to migrate enterprise workloads to the cloud: To illustrate how these solutions work in action, here are some examples of how NetApp can help users apply various AWS migration strategies: Cloud migration is a complex undertaking that requires a thorough analysis of ongoing challenges while also mapping them with the required changes to reach business objectives. The process, as described by Amazon, encompasses five stages: Phase 1: Migration Preparation and Business Planning Phase 2: Discovery and Planning Phase 3: Designing the Migration Phase 4: Migrating and Validating Applications Phase 5: Operations Will migration make the product more accessible for end-users? Most rehosting can be automated with tools (e.g. Applications that are recently upgraded You AWS support for Internet Explorer ends on 07/31/2022. For example, you migrate your application stack from on-premises Initially, there were six migration strategies that existed, however, AWS has included Relocate as a new seventh migration strategy that focuses on frameworks involving on-prem containers and VMware in the cloud. EMP workloads. known as the 7 Rs: Common strategies for large migrations include rehost, replatform, relocate, and retire. You replace your Typically, the application vendor helps you with these activities for a smooth Establish performance baselines. 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). % You may be thinking, "What's new in this? Test the waters. operating system (OS) version or components that are no longer supported. No business value to migrate There is no Do I qualify? Establishing KPIs that go along with your business goals is the right way to understand if everything works fine or not well enough. Weve found that as much as 10% (Ive seen 20%) of an enterprise IT portfolio is no longer useful, and can simply be turned off. run on a Linux operating system. Cloud Migration Strategy - Rehost, Replatform, Repurchase, Refactor, Reachitect, Retain, Retire for any cloud such as Azure or AWS or GCP--- Small correction. This pattern tends to be the most expensive, but, if you have a good product-market fit, it can also be the most beneficial. . Avoid exotic changes unless its a niche opportunity or unavoidable. Using this strategy, Note: Migration is the thirdof four Stages of Adoption Im writing about in the Journey to Cloud-First series. A large media company we work with migrated hundreds of web servers it ran on-premises to AWS, and, in the process, it moved from WebLogic (a Java application container that requires an expensive license) to Apache Tomcat, an open-source equivalent. 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. AWS Landing Zone solution helps you set up a secure, multi-account AWS environment based on AWS best practices. (physical, virtual, or another cloud) to the AWS Cloud without worrying about compatibility, Its typically measured by downtime hours per year. internal users. Create a data-access policy. Since the applications architecture and functionality are retained, teams dont require extensive training to operate the migrating workloads. We're sorry we let you down. This is a BETA experience. It means that moving one app can break the dependency and affect the work of others. With the cloud, you don't have such an option. 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. 3. 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. Before purchasing, you need to assess the application according to your business 2023, Amazon Web Services, Inc. or its affiliates. That is, you need to know more about the application, but you don't need to be a programmer necessarily. to the AWS Cloud. Id love to hear about it, and host it on my blog! The guiding principle should be how you can get the maximum benefit out of your migration. replacing your existing on-premises application with the vendors latest version or The six strategies are Rehost, Replatform, Repurchase, Refactor, Retire and Retain also referred to as The 6 R's. 1. Please refer to your browser's Help pages for instructions. 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 Our Migration Partner Solutions, such as RISC Networks, Cloudamize, ATADATA Deloitte, and Turbonomic, also provide deep discovery and planning tools. To maximize the benefits of moving to the cloud, you need to give your teams the freedom and agility to innovate, but also enforce controls to protect your organization from risk. Since operational and configuration constructs of workloads remain intact, the rehost strategy is also easy to perform and is suitable for enterprises that lack in-house cloud-native expertise. Plans to migrate to software as a service (SaaS), Mainframe or mid-range applications and non-x86 Unix Porting Assistant for .NET is an analysis tool that helps you port your 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. services, and scale the application more easily. Turning off applications that you dont need anymore. tools. application efficiently, to reduce costs, or to take advantage of cloud capabilities. Here are the strategies you can use for application migration. Once you have your business case, review the migration and modernization strategies, guides, and patterns provided through AWS Prescriptive Guidance. The repurchase option also simplifies and expedites migration while reducing downtime and enhancing scalability and efficient regulatory governance. your users, and your infrastructure. Maintenance costs. AWS Database Migration Service (DMS) can migrate your data to and from most widely used commercial and open-source databases. 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. Making changes to the application code to benefit from cloud capabilities. Click here to return to Amazon Web Services homepage, AWS Application Migration Service (AWS MGN). To get started, you should think of possible challenges, set timelines, define goals, desirable results and determine what resources to transfer. You can find, buy, deploy, and manage third-party software and services to build solutions for your business. The 6 most common application migration strategies we see are: We find that many early cloud projects gravitate toward net new development using cloud-native capabilities, but in a large legacy migration scenario where the organization is looking to scale its migration quickly to meet a business case, we find that the majority of applications are rehosted. You might want to retire applications based on their performance. Migrate an Oracle database to Amazon RDS for Oracle by using Oracle GoldenGate flat file adapters. Even if a small part of the application is optimized for the cloud, it can lead to significant benefits. 1. business value for migrating some applications to the cloud, such as those with only a few AWS, or you can transfer an Amazon Relational Database Service (Amazon RDS) DB instance to another VPC or AWS account. Replatform (Lift, Tinker & Shift) when organizations have outdated structures to move into IaaS cloud platforms. The 7 Rs dene migration approaches in terms of time and cost to migrate. section reviews each migration strategy and their common use cases. AWS Marketplace is a curated digital catalog that helps you reduce costs by not over-purchasing with an in-perpetuity license. You might also choose Stephen authored Ahead in the Cloud so customers might benefit from many of the best practices Stephen observed working with customers in this role. 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. It is possible to hand-craft Replatform an application, by clicking around the GUI and manually making changes and copies. You want to improve your security and compliance stance by upgrading your operating The configuration is duplicated/improved on a replacement cloud service such as replacing Nginx in a VM with AWS Elastic Load Balancer. during the migration. Set up access levels for your team to make sure the right people get the right files to work with. CEO ofCleveroad. 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. 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. 5 0 obj phase of the migration process Portfolio Discovery and Planning. 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. The rehost migration strategy involves leveraging AWS Infrastructure-as-a-Service (IaaS) offerings to redeploy workloads on a cloud instance. AWS Application Discovery Service collects and presents configuration, usage, and behavior data from your servers to help you better understand your workloads. migration is complete. Also, leverage the AWS Well-Architected Framework. Infrastructure stack outputs: Deploy database CloudFormation template Log in to the AWS Management Console and open the CloudFormation service. Keep building, Stephen @stephenorban orbans@amazon.com. ?fQRb!8$)8&BE6q[Z@&sU9/.2LifXQOf2C#R$P=6NGGf{IvvEs\9aW. DevOps specialists can replace manual work with several lines of code and optimize the whole process. AWS Application Migration Service (AWS MGN) simplifies and expedites migration from physical, virtual, and cloud infrastructure. You can use the utilization and performance data from your Without a clear understanding of the scope of the migration, you're likely to underestimate your migration budget and timeline. Replatforming can reduce the cost of the migration programme and the cost of running the application while minimizing risk, which business leaders feel is a sweetspot and were not betting the farm. Time to model the application using the automation software. 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. AWS Control Tower helps setup an automated landing zone, which is a well-architected, multi-account AWS environment. The following are common use cases for the retain strategy: Security and compliance You might want to Steps Of Replatforming In AWS. 7 0 obj complicated to manage for a large number of applications. With their help, companies can migrate faster, reducing costs and various risks. When it comes to SaaS, the majority of data losses happens because of human error. Javascript is disabled or is unavailable in your browser. these applications in the future. Instead of changing the core of the applications, they are emulated through a VM so that systems become compatible with modern-day cloud technologies without restructuring the systems . Opinions expressed are those of the author. 2023, Amazon Web Services, Inc. or its affiliates. This affects the x+TT(T0P043W034R01P(JUWSw5TpW o All Rights Reserved. transition. AWS provides services for end-to-end IT lifecycle management, helping customers control and secure their environments, reduce costs, simplify compliance, and enhance operational efficiency. 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. Migrating from on-premise to the cloud requires careful preparations on technical and business ends. The downtime depends on your cutover strategy. 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. In this situation, you need to refactor your 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. minimizes disruption and downtime. 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. AWS Database Migration Service (AWS DMS) helps you migrate data stores into the AWS Cloud or between combinations of cloud and on-premises setups. The complexity of migrating existing applications varies, depending on the architecture and existing licensing arrangements. 1. Also, suitable for applications that need refactoring due to changing regulatory compliance or threat landscape. 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. selecting the NoSQL DynamoDB to replace MySQL) or poorly configuring the AWS service. 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. taking full advantage of cloud-native features to improve agility, performance, and Here are some common KPIs to measure before and after migration: Availability. You can find, buy, deploy, and manage over 7,000 third-party software listings and services from more than 1,500 unique independent software vendors to build solutions for your business. 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. These IT services can include everything from virtual machine images, servers, software, and databases to complete multi-tier application architectures. 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. The content provided covers innovative guidelines and best practices to navigate the cloud landscape, plan your migration journey, and accelerate your transformation. idle applications in your source environment. Open the AWS DMS console, and choose Database migration tasks from the navigation pane. AWS MGN keeps your source servers up to date on AWS using continuous, block-level data replication. 3. The first stage is Project, The second stage isFoundation. AfterMigration comesReinvention. This series follows the best practices Ive outlined in An E-Book of Cloud Best Practices for Your Enterprise. Plans to migrate to software as a service (SaaS) Assess Mobilize Migrate and Modernize Assess applications. Registered Company No. environment or applications that you are not ready to migrate. 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. When you just need to generate right-sized EC2 instance recommendations for running on-premises workloads in AWS, use Migration Hub. Identify critical data, mark it for anti-deletion and back it up if someone ignores the restrictions. The cloud migration checklist includes: Establish the migration-architect role. Amazon suggests a step by step process for performing such a migration. third-party equivalent in the cloud, you can leverage new features, integrate with cloud AWS Cloud Migration: Step-by-Step . 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. applications to Linux. When you only need to generate right-sized EC2 instance recommendations for running on-premises workloads in AWS, use AWS Migration Hub. This is when they determine whats in their environment, what are the interdependencies, whats going to be easy to migrate and whats going to be hard to migrate, and how theyll migrate each application. 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. 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. If you've got a moment, please tell us how we can make the documentation better. You can automate rehosting by using the following services: AWS Cloud Once youve discovered everything in your environment, you might ask each functional area who owns each application. The approach is often undertaken to help organizations reduce costs, improve performance, and gain scalability. Will the operational load on system maintenance go down after migration? 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. AWS, without any code changes. AWS Migration Hub automates the planning and tracking of application migrations across multiple AWS and partner tools, allowing you to choose the migration tools that best fit your needs. Using this strategy, you might make a few or many changes to the application, depending on lift and reshape. 1 /BBox [0 167 612 625] /Resources 9 0 R /Group << /S /Transparency /CS /DeviceCMYK The AWS 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. Install the AWS quickstart Install the AWS quickstart. For a list of migration patterns for the rehost migration strategy, see Rehost on the AWS Prescriptive Guidance website. With support for Secure File Transfer Protocol (SFTP), File Transfer Protocol over SSL (FTPS), and File Transfer Protocol (FTP), the AWS Transfer Family helps you seamlessly migrate your file transfer workflows to AWS by integrating with existing authentication systems, and providing DNS routing with Amazon Route 53 so nothing changes for your customers and partners, or their applications. database in order to separate the tables that will be migrated from those that will be Here are my two cents on that. 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. security and compliance. 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. !;WTjWdYI2;FarPYW`#"a Gj4[mV{Xh Your operating model becomes an agile set of people, process, and technology that improves as you migrate more applications. operating system. When you need to create a more customized baseline, AWS Landing Zone is a solution delivered by AWS Solution Architects or Professional Services. The replatform migration strategy increases the flexibility, agility, and resilience of workloads while enabling cloud-native capabilities such as automation. requirements. retain applications in order to remain in compliance with data residency All rights reserved. You can reduce costs by moving from a Microsoft Windows operating system to a Linux Choose to Create a task. 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. quality and delivery of new application features and fixes. Once you've reshaped one, you can leverage this across a wide range and make significant efficiencies in migration effort and effectiveness in cloud migration as you go. SC349230. You address gaps in your organizations readiness that were uncovered in the assess phase, with a focus on building your baseline environment (the landing zone), driving operational readiness, and developing cloud skills. AWS EMP for Windows Server User Guide to help you determine your xedqE+j(p4M 5^kGjE8%??/q?c~N The following are common use cases for the replatform migration strategy: You want to save time and reduce cost by moving to a fully managed service or Mainframe or mid-range applications and non-x86 Unix While each of these posts stands on its own, I believe they go better together. While a well-executed transition offers numerous benefits, organizations must also factor in the risks and efforts required for ongoing maintenance. Some of these are free, some can be rented, some need professional services to come with them - your mileage may vary! Retain. The following are common use cases for the retire strategy: There is no business value in retaining the application or moving it to cloud. 4. endstream requirements, especially security and compliance. Graviton Processors, custom-built processors developed by AWS. The new application should provide more 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. This is a common strategy for vendor-based applications. you move your applications from your source environment to the AWS Cloud without making any 6 0 obj private cloud (VPC), AWS Region, or AWS account. Using higher-order services means less management cost, higher availability, costs that match consumption instead of peak load. All rights reserved. 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. 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. removes the burden of managing and maintaining the infrastructure and helps reduce 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. All leading cloud providers have flexible and automated data backups. Dependencies between applications are another crucial point to consider in the very beginning. relocating, or replatforming the application and then modernizing the application after the RetainUsually this means revisit or do nothing (for now). 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. This is the most complex of the migration strategies, and it can be Figure out what apps can bring more value in the cloud. These resources were developed by experts and are based on years of experience helping customers realize their business objectives on AWS. After migrating an application via Rehosting, there is work to do to make it exploit the cloud. Time to copy some application components and data to AWS, Time to verify the migrated applications and data, Time to configure the replacement AWS services like ELB or RDS. It gives some immediate and modest cloud benefits without too much change and risk. To use the Amazon Web Services Documentation, Javascript must be enabled. >> The transition from local servers to the cloud is a multistep process that requires thorough preparation. Set up a test environment to figure out how your backup plan performs in case of a disaster. might want to postpone migrating the application until the next technical refresh because Before you start to migrate first few applications, Landing Zone solution helps set-up your initial security baseline for your core accounts and resources. Transferring applications to the cloud modernizing. Before migrating to the cloud, there's a checklist of things to take into account. A good AWS engineer will know how to replace common application components with AWS services. ReplatformingI sometimes call this lift-tinker-and-shift.. 5percent, known as zombie applications. DataSync uses an on-premises agent to connect to an NFS file system and migrate file data rapidly up to 10 times faster than open-source copy tools -- without the burden of writing and managing scripts. This media company saved millions in licensing costs on top of the savings and agility it gained by migrating to AWS. 44 Refactor Spaces reduces the business risk of evolving applications into microservices or extending existing applications with new features written in microservices.
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