service, moving virtual machines to container, and avoiding licensing expenses. While rearchitecting applications for service-oriented architecture may turn out to be costly during the migration phase, a well-planned resulting frameworks operating costs are substantially lower than operating the legacy framework. As the services are built and managed by third-party vendors, the repurchase model reduces operational efforts toward managing infrastructure for in-house teams. 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. application if you need to migrate one or more other applications first. This is the most complex of the migration strategies, and it can be endobj Many organizations can accelerate their migration and time to results through partnership. You want to improve your security and compliance stance by upgrading your operating This affects the You want to reduce the security risks of operating an application that uses an 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. Supported browsers are Chrome, Firefox, Edge, and Safari. If you have available network bandwidth, DataSync is the easiest approach to migrate file-based data. The main steps of replatforming include: Firstly, we need to analyze the application. during the migration. The new application should provide more 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. endobj Open the AWS DMS console, and choose Database migration tasks from the navigation pane. All these approaches offer different benefits, suit specific use cases, and have varying levels of migration complexities. vendor. 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. To do a Replatform, you need a bit more than a Rehost across all the three vectors of budget, tools and timeline. your users, and your infrastructure. Backup to S3 and restore to EC2 or RDS. retained on premises. When it comes to SaaS, the majority of data losses happens because of human error. AWS Marketplace is a curated digital catalog that helps you reduce costs by not over-purchasing with an in-perpetuity license. At the start of your journey, you assess your organizations current readiness for operating in the cloud. A strong migration plan starts with a deeper understanding of the interdependencies between applications, and evaluates migration strategies to meet your business case objectives. Javascript is disabled or is unavailable in your browser. Large migrations to the cloud Amazon Web Services (AWS) Prescriptive Guidance provides time-tested strategies, guides, and patterns to help accelerate your cloud migration, modernization, and optimization projects. When you need to create a more customized baseline, AWS Landing Zone is a solution delivered by AWS Solution Architects or Professional Services. 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). Time to deploy automated stacks and refine them. There has been no inbound connection to the application for the last Migrate an Oracle database to Amazon RDS for Oracle by using Oracle GoldenGate flat file adapters. You might choose retain an application until the SaaS version is released by the The newly introduced strategy involves migrating workloads without impacting ongoing operations, rewriting the application source code, or acquiring new hardware. Replatform. 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. endobj AWS MGN automatically converts your source servers to run natively on AWS, and simplifies your migration by letting you use the same automated process for a wide range of applications. All Rights Reserved. The AWS Application Discovery Service automatically collects and presents detailed information about application dependencies and utilization to help you make more informed decisions as you plan your migration. Repurchasing the application typically reduces costs associated with maintenance, you recently invested in upgrading your current system. Replacing a custom application You can avoid This is also the first iteration in evolving an application towards cloud-native. When you just need to generate right-sized EC2 instance recommendations for running on-premises workloads in AWS, use Migration Hub. The repurchase migration strategy involves swapping internally administered systems for third-party managed services available on the AWS marketplace. Log in to the AWS Management Console and open the CloudFormation service. For security and compliance reasons, when moving a database to the cloud, you might AWS Cloud Migration: Step-by-Step . 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. These capabilities help your upgrading and testing process. 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. Registered Company No. 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. Access speed. Migrate the platform. Our Migration Partner Solutions, such as RISC Networks, Cloudamize, ATADATA Deloitte, and Turbonomic, also provide deep discovery and planning tools. For many applications, the best approach is to rapidly move to cloud and then rearchitect in AWS. Moving a CRM to Salesforce.com, an HR system to Workday, a CMS to Drupal, and so on. containerized applications by using the AWS This strategy is suitable for applications that cannot be retired and should continue to operate in their existing framework. 5. The three-phase migration process is designed to help your organization approach a migration of tens, hundreds, or thousands of applications. Cloud Migration Strategy - Rehost, Replatform, Repurchase, Refactor, Reachitect, Retain, Retire for any cloud such as Azure or AWS or GCP--- Small correction. Prioritize migration components. 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. There are times when you cant install an agent-based migration service on your server. Repurchase. 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. tools. Choosing the replatforming environment. tables) and retain those tables on premises. legacy Windows Server applications to the latest, supported versions of Windows Server on 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 Unresolved physical dependencies You might 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. Application migration is the process of moving a software application from one computing environment to another. Not every decision in a migration can be automated, but our tools help you make easier and better decisions. Transferring applications to the cloud modernizing. 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. infrastructure, and licensing. We're sorry we let you down. application because it requires a detailed assessment and plan prior to migration. During relocation, the application continues You can use the utilization and performance data from your You have a monolith application that is already hindering efforts to deliver product While a well-executed transition offers numerous benefits, organizations must also factor in the risks and efforts required for ongoing maintenance. Best for organizations looking to exercise control over their resources and those considering a hybrid cloud migration. App2Container migration tool. To get started, you should think of possible challenges, set timelines, define goals, desirable results and determine what resources to transfer. You can improve performance by migrating virtual machines into containers, without Transition to the cloud requires a backup plan. As part of the mobilize phase, you create a migration plan and refine your business case. You might have selected 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. ?fQRb!8$)8&BE6q[Z@&sU9/.2LifXQOf2C#R$P=6NGGf{IvvEs\9aW. << /Length 8 0 R /Filter /FlateDecode /Type /XObject /Subtype /Form /FormType No business value to migrate There is no Id love to hear about it, and host it on my blog! might want to retire applications that have an average CPU and memory usage below Most reports single out three prominent leaders: Amazon Web Services (32% market share), Microsoft Azure (18.6% market share), and Google Cloud Platform (8.5% market share). stream 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. As an example, a typical three-tier application that includes a load-balancer in a VM and a database layer in a VM can be adjusted to swap the load-balancer VM for an AWS managed load balancer, and the database VM for AWS managed Relational Database Service. Using AWS Management and Governance services, you can improve business agility while maintaining governance and control over cost, compliance, and security. These IT services can include everything from virtual machine images, servers, software, and databases to complete multi-tier application architectures. environment or applications that you are not ready to migrate. Here are the strategies you can use for application migration. relocating, or replatforming the application and then modernizing the application after the AWS Migration Hub provides a single location to track the progress of application migrations across multiple AWS and partner solutions. You can reduce costs by using AWS Plans to migrate to software as a service (SaaS) Now that youve gone through all preparations, its time to initialize the migration. Although you've already done a lot to prevent accidental data losses, you may want to play it safe with critical data. AWS Application Discovery Service helps you plan migration projects by gathering information about your on-premises data centers. This 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. to its limitations or is expensive to maintain. Or you might be modernizing applications already running on AWS. You should only migrate what makes sense for the business; and, as the gravity of your portfolio changes from on-premises to the cloud, youll probably have fewer reasons to retain. 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. 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. These savings can boost the business case, direct your teams scarce attention to the things that people use, and lessen the surface area you have to secure. There are six most common migration strategies, also known as the 6 R's: Rehost. Keep in mind that cloud migration won't free your IT specialists from working with environments and deployments. phase of the migration process Portfolio Discovery and Planning. The downtime depends on your cutover strategy. There are a plethora of reports, like this one from Gartner, that can help you decide. (physical, virtual, or another cloud) to the AWS Cloud without worrying about compatibility, AWS Control Tower helps setup an automated landing zone, which is a well-architected, multi-account AWS environment. Plans to migrate to software as a service (SaaS), Mainframe or mid-range applications and non-x86 Unix That is, you need to know more about the application, but you don't need to be a programmer necessarily. 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. "zX For more information, see Best practices for assessing applications to be retired during a migration to the AWS Cloud. endstream Using this strategy, you might make a few or many changes to the application, depending on 3. . For a list of migration patterns for the replatform migration strategy, see Replatform on the AWS Prescriptive Guidance website. To use the Amazon Web Services Documentation, Javascript must be enabled. 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. Please refer to your browser's Help pages for instructions. 4. Although this strategy requires a huge investment in effort and resources, its considered the most future-proof migration approach. 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 Version upgrades or third-party equivalents By I suggest starting with something on the low-complexity end of the spectrum for the obvious reason that it will be easier to completewhich will give you some immediate positive reinforcement or quick wins as you learn. 6. Your existing software portfolio is a significant investment to consider when moving to the cloud. Also suitable for applications that are required to run on local data centers for compliance or security. Most importantly, you want to identify the desired business outcomes and develop the business case for migration. For example, you Those providers offer all cloud models you might need and have convenient cost calculators to estimate the price of their services. GE Oil & Gas, for instance, found that, even without implementing any cloud optimizations, it could save roughly 30 percent of its costs by rehosting. Thanks for letting us know we're doing a good job! Repurchasing helps teams retire legacy systems and move to a consumption-based, SaaS subscription model that ties IT costs to generated revenue. The rehost migration strategy involves leveraging AWS Infrastructure-as-a-Service (IaaS) offerings to redeploy workloads on a cloud instance. 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. You can use Oracle Data Pump to migrate data between your source and target databases. 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. It is possible to hand-craft Replatform an application, by clicking around the GUI and manually making changes and copies. 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. Are you looking to migrate from a monolithic architecture to a service-oriented (or server-less) architecture to boost agility or improve business continuity (Ive heard stories of mainframe fan belts being ordered on e-bay)? run on a Linux operating system. For example, you can use this strategy to Will the operational load on system maintenance go down after migration? Choose a single cloud or go multi-cloud. Here are some common KPIs to measure before and after migration: Availability. Data is the cornerstone of successful cloud application deployments. 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. Automate backups. Before you start to migrate first few applications, Landing Zone solution helps set-up your initial security baseline for your core accounts and resources. applications, Moving from a traditional license to SaaS, Version upgrades or third-party equivalents, End-of-Support Migration Program (EMP) for Windows Server, AWS Once done, start examining what cloud providers are out there on the market and which one is right for you. database in order to separate the tables that will be migrated from those that will be If you've got a moment, please tell us what we did right so we can do more of it. 90days. 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. Most companies use several applications on different servers and separate networking equipment. 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. Migrating strategies are typically chosen based on the varying complexities of workloads, costs incurred, and the level of disruption they may cause to an existing setup. are a few services provided by AWS to rebuild parts of the applications. During replication, your applications continue to run in your source environment without downtime or performance impact. AWS, or you can transfer an Amazon Relational Database Service (Amazon RDS) DB instance to another VPC or AWS account. In addition to offering dedicated tools and services, AWS also outlines different migration strategies to support various use cases. Instead, we recommend rehosting, Retire. Most rehosting can be automated with tools (e.g. 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. 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. Replatform. The six approaches detailed (rehost, replatform, re-architect, repurchase, retain, and retire) are the most common migration strategies employed, and build upon The 5 Rs unavailable. The applications source code and core architecture remain unchanged, keeping legacy applications operational while ensuring cloud-based compliance and security. Start by auditing your digital assets to identify the scope: Identify what apps no longer bring value. requirements, especially security and compliance. Implies that you simply clone your servers and move them to the Infrastructure as a Service (IaaS) of a chosen cloud provider. SC349230. 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. 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. RetainUsually this means revisit or do nothing (for now). retain applications in order to remain in compliance with data residency Both Windows and Linux operating system versions. taking full advantage of cloud-native features to improve agility, performance, and 44 << /Length 5 0 R /Filter /FlateDecode >> For example, choosing off-the-shelf CRM as a customer relationship system. licensing issues. AWS offers cloud migration services across all regions where Amazon EC2 instances are available. Pick a cloud model: public, private or hybrid. 5percent, known as zombie applications. For a list of migration patterns for the refactor migration strategy, see Re-architect on the AWS Prescriptive Guidance website. Selecting migration strategies is critical to a large migration. 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. AWS Storage Gatewayis a set of hybrid cloud storage services that provide on-premises access to virtually unlimited cloud storage. While migrating to AWS, you iterate on your new foundation, turn off old systems, and constantly evolve toward a modern operating model. There are many tools designed to make migration more straightforward and do most of the hard work. security and compliance. Retiring the application means that you can shut down the servers within that This media company saved millions in licensing costs on top of the savings and agility it gained by migrating to AWS. have a cloud equivalent, such as machines in a manufacturing plant. You can find, buy, deploy, and manage third-party software and services to build solutions for your business. cloud-based application. 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. During the migrate and modernize phase, each application is designed, migrated, and validated. It optimizes data transfers to AWS by compressing data and sending only changed data, and provides low-latency performance by caching frequently accessed data on premises. application stack. Network changes, data migration, and . Choosing to refactor your application and migrate to a cloud-native database such as . 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. eOcY|\G0(]z^?smW0cYl&yY_? This strategy is also known as lift, tinker, and shift or Implies that you simply clone your servers and move them to the Infrastructure as a Service (IaaS) of a chosen cloud provider. Then deploy the modeled application. You can use this decision tree in the to the AWS Cloud. The replatform migration strategy increases the flexibility, agility, and resilience of workloads while enabling cloud-native capabilities such as automation. Thanks for letting us know we're doing a good job! known as the 7 Rs: Common strategies for large migrations include rehost, replatform, relocate, and retire. Every individual shape during Replatforming increases the risk of causing problems: be circumspect and choose common, well-known shapings. performance disruption, long cutover windows, or long-distance data replications. to serve users, which minimizes disruption and downtime. Once you have your business case, review the migration and modernization strategies, guides, and patterns provided through AWS Prescriptive Guidance. AWS cloud migrations are typically broken down into three phases, including: The seven Rs of cloud migration include Retire, Retain, Relocate, Repurchase, Replatform, Rehost, and Refactor. Migration Evaluator (Formerly TSO Logic) delivers accurate data-driven recommendations to right-size and right-cost compute. 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. This is the migration strategy for the applications that you want to decommission or Click here to return to Amazon Web Services homepage, AWS Application Migration Service (AWS MGN). 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. AWS Application Migration Service (AWS MGN) simplifies and expedites migration from physical, virtual, and cloud infrastructure. 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. No matter the use case, we have a data transfer method that fits your needs. The AWS Transfer Family provides fully managed support for file transfers directly into and out of Amazon S3.
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