IaaS → PaaS Without Refactor

Replatform Cloud Migration India

Get cloud benefits without full refactoring. Opsio's replatform migration services move your Indian workloads to cloud-managed services — replacing self-managed infrastructure with PaaS offerings — delivering operational savings and improved reliability with minimal code changes.

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Trusted by 100+ organisations across 6 countries

Lift &

Optimise

40%

Ops Reduction

Minimal

Code Changes

PaaS

Target

AWS RDS

Azure App Service

ECS/EKS

Cloud SQL

Managed Kafka

ElastiCache

Part of Cloud Solutions

What is Replatform Cloud Migration India?

Replatform cloud migration, commonly referred to as lift-and-shape, is a cloud migration strategy in which workloads are moved from self-managed IaaS infrastructure to cloud-managed PaaS services through minor, targeted optimisations rather than full architectural refactoring. Standard scope typically covers: replacing self-hosted databases with managed equivalents such as Amazon RDS or Cloud SQL; migrating application servers from virtual machines to container-based or serverless environments using Kubernetes or AWS App Service; shifting message brokers such as RabbitMQ to Amazon MQ; automating infrastructure provisioning via Terraform or AWS CloudFormation; updating legacy operating system configurations to cloud-compatible versions during the migration window; and establishing managed backup, patching, and auto-scaling policies that transfer operational burden to the cloud provider. Relevant frameworks and tooling include the AWS Migration Competency programme, AWS Cloud Migration Factory, Microsoft Azure Migrate, Google Cloud Migrate, and the 6Rs or 7Rs migration classification model from which replatforming is formally drawn. Typical per-workload investment in the Indian market ranges from roughly ₹5 lakh to ₹15 lakh depending on workload complexity, data volume, and the managed services selected. Leading vendors active in this space include AWS Professional Services, IBM, NetApp, and LeanIX, whose 6R methodology is widely cited as a practitioner reference. Opsio, an AWS Advanced Tier Services Partner holding AWS Migration Competency, Microsoft Partner status, and Google Cloud Partner status, delivers replatform engagements for Indian mid-market enterprises from its ISO 27001-certified Bangalore delivery centre, backed by a 24/7 NOC, a 99.9% uptime SLA, and a team of 50-plus certified engineers with CKA and CKAD credentials across more than 3,000 projects since 2022.

Replatform Is the 80/30 Path — 80% of Cloud Benefits at 30% of Refactor Cost

Replatform cloud migration is the answer when rehost is too cheap and refactor is too expensive. Lift-and-shift moved your VMs to AWS Mumbai, but they still need patching, backup tuning, and OS-level monitoring — same toil, different cloud. Refactoring fixes that, but a 6-month microservices rewrite for an internal HR app earns nobody a promotion. Replatform sits between: the same Java app, but on Elastic Beanstalk instead of self-managed Tomcat; the same PostgreSQL database, but on RDS instead of EC2; the same IIS app, but on Azure App Service instead of a Windows VM. Code untouched, operational burden gone. Opsio's replatform migration services move your workloads from IaaS to PaaS: self-managed databases to RDS, Aurora, or Azure SQL; standalone applications to ECS, EKS, or App Service; self-managed messaging to managed Kafka or SQS; and file servers to S3 or Azure Blob. Each migration is carefully planned to require minimal application code changes while delivering maximum operational benefit.

For Indian enterprises, replatforming delivers immediate ROI: 40% reduction in operational overhead, elimination of patching and backup management, auto-scaling for festive-season traffic, and improved reliability through cloud-provider SLAs — all achievable within weeks rather than the months required for full refactoring.

Where does replatform fit in the 6Rs (or 7Rs) of cloud migration? AWS's framework lists Rehost (lift-and-shift, no change), Replatform (lift-tinker-shift, targeted change), Repurchase (move to SaaS, e.g. on-prem CRM → Salesforce), Refactor (full rewrite for cloud-native), Retire (kill it), Retain (leave on-prem), and Relocate (VMware to VMware Cloud). Replatform is uniquely the option that delivers managed-service benefits without forcing a code-level rewrite — and it's the right choice for the 60-70% of typical Indian application portfolios where the business logic is fine but the operational layer underneath isn't paying its rent. Repurchase is right for commodity workflows; refactor is right for differentiating products. Replatform handles everything in between. Featured reading from our knowledge base: Cloud Security for SaaS, PaaS, and IaaS: Best Practices – Opsio, IaaS vs PaaS: Which cloud solution is right for your business? – Opsio, and Cloud Services for Indian SMEs: Cost-Effective Migration Guide. Related Opsio services: Refactor & Modernisation Services India, AWS Migration Services in India — AWS MAP & 2-Hour Cutover, Cloud Migration Services in India — AWS MAP & Zero Downtime, and Azure Migration Services in India — Entra ID & 2-Hour Cutover.

Database ReplatformingIaaS → PaaS Without Refactor

Application ReplatformingIaaS → PaaS Without Refactor

Messaging & Cache ReplatformingIaaS → PaaS Without Refactor

Storage ReplatformingIaaS → PaaS Without Refactor

Replatform AssessmentIaaS → PaaS Without Refactor

Post-Replatform OptimisationIaaS → PaaS Without Refactor

AWS RDSIaaS → PaaS Without Refactor

Azure App ServiceIaaS → PaaS Without Refactor

ECS/EKSIaaS → PaaS Without Refactor

Database ReplatformingIaaS → PaaS Without Refactor

Application ReplatformingIaaS → PaaS Without Refactor

Messaging & Cache ReplatformingIaaS → PaaS Without Refactor

Storage ReplatformingIaaS → PaaS Without Refactor

Replatform AssessmentIaaS → PaaS Without Refactor

Post-Replatform OptimisationIaaS → PaaS Without Refactor

AWS RDSIaaS → PaaS Without Refactor

Azure App ServiceIaaS → PaaS Without Refactor

ECS/EKSIaaS → PaaS Without Refactor

How Opsio Compares

Capability	DIY Migration	System Integrator	Opsio
Discovery & assessment	Manual spreadsheets	Consultant-led, weeks	Automated tooling + expert review in days
Migration methodology	Ad-hoc, undocumented	Waterfall-based, rigid	AWS MAP / Azure Migrate — agile waves
Cutover downtime	Hours to days	4-8 hours typical	Sub-2-hour cutover windows
Data-residency compliance	Self-managed, risky	Generic controls	DPDPA-aligned, Mumbai/Hyderabad enforced
Post-migration optimisation	None — lift and shift	Basic right-sizing	Continuous FinOps + quarterly reviews
IST-aligned support	Internal team only	Follow-the-sun, limited IST	24/7 IST-based NOC + dedicated account manager
Typical cost (100 servers)	Hidden costs ₹80L+	₹1.2-1.8Cr (+ change orders)	₹60L-1.2Cr (fixed-scope, MAP credits)

Service Deliverables

Database Replatforming

Migration from self-managed databases on EC2/VMs to managed services: RDS, Aurora, Azure SQL Managed Instance, Cloud SQL. Automated backups, patching, failover, and monitoring handled by the cloud provider.

Application Replatforming

IIS on Windows VM → Azure App Service (the deployment slot model handles staging-to-prod cutover natively). Java on Tomcat → AWS Elastic Beanstalk or Cloud Run. .NET Framework 4.x staying on Windows → Azure App Service Windows tier; .NET 6/8 ready to leave Windows → Linux containers on ECS or App Service Linux. We containerise where it earns its keep, not as a default.

Messaging & Cache Replatforming

Migration from self-managed RabbitMQ, Kafka, Redis, and Memcached to managed equivalents: Amazon MQ, MSK, ElastiCache, Azure Cache for Redis, and Memorystore.

Storage Replatforming

File server migration to S3, Azure Blob, or GCS with appropriate access patterns, lifecycle policies, and integration with existing applications — eliminating self-managed NAS/SAN in Indian data centres.

Replatform Assessment

Workload-by-workload analysis identifying replatform candidates, estimating effort, projecting operational savings, and prioritising based on risk and ROI for Indian enterprise portfolios.

Post-Replatform Optimisation

Configuration tuning for managed services, auto-scaling policy setup, Reserved Instance planning, and operational runbook updates reflecting the new PaaS-based architecture.

Ready to get started?

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What You Get

Replatform assessment report with candidate scoring and ROI projection

Target architecture design for each replatform workload

Migration execution plan with staging validation and cutover schedule

Managed service configuration with auto-scaling and monitoring

Performance benchmark comparison between IaaS and PaaS configurations

Operational runbook updates reflecting new PaaS-based architecture

Cost-benefit analysis with INR savings projection over 12 months

Post-replatform optimisation report with Reserved Instance recommendations

“Opsio has been a reliable partner in managing our cloud infrastructure. Their expertise in security and managed services gives us the confidence to focus on our core business while knowing our IT environment is in good hands.”

Magnus Norman

Head of IT, Löfbergs

Pricing & Investment Tiers

Transparent pricing. No hidden fees. Scope-based quotes.

Database Replatform

₹3,00,000–₹8,00,000/workload

DB to RDS/Aurora/Azure SQL

Why Choose Opsio for Cloud Services

PaaS expertise

Deep knowledge of managed services across AWS, Azure, and GCP for optimal replatforming targets.

Minimal code changes

We engineer replatforming paths that require zero or minimal application modifications.

40% ops reduction

Proven operational overhead reduction through managed service adoption.

Indian workload expertise

Experience replatforming BFSI, e-commerce, and IT/BPO workloads with Indian compliance requirements.

Risk-managed approach

Each replatform validated in staging before production cutover with rollback capability.

Cost-benefit analysis

Every recommendation backed by INR cost-benefit analysis comparing IaaS versus PaaS.

Not sure yet? Start with a pilot.

Begin with a focused 2-week assessment. See real results before committing to a full engagement. If you proceed, the pilot cost is credited toward your project.

Start a Pilot

Our 4-Phase Delivery Process

Assess

Identify replatform candidates, estimate effort, and project operational savings.

Plan

Design replatform target architecture and migration path for each workload.

Execute

Migrate workloads to managed services with staging validation and production cutover.

Optimise

Tune managed service configurations, set up auto-scaling, and update operational runbooks.

Key Takeaways

Database Replatforming
Application Replatforming
Messaging & Cache Replatforming
Storage Replatforming
Replatform Assessment

Industries Served by Opsio

BFSI

Replatform core banking databases to RDS/Aurora and payment APIs to container platforms.

E-commerce

Replatform to auto-scaling PaaS services ahead of Indian festive-season traffic peaks.

IT/BPO

Reduce managed-infrastructure overhead by moving client workloads to PaaS.

SaaS & Startups

Accelerate from IaaS to PaaS for faster feature delivery and reduced operational burden.

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Replatform Cloud Migration India — FAQ

What is replatform cloud migration?

Replatform cloud migration (also called lift-tinker-shift) moves workloads to cloud-managed services with minimal code changes. Concrete examples: a self-managed PostgreSQL on EC2 → Amazon RDS, an IIS website on a Windows VM → Azure App Service, a self-hosted RabbitMQ cluster → Amazon MQ, a Java app on Tomcat → AWS Elastic Beanstalk. Application code stays the same; what changes is the runtime your DevOps team has to operate. The cloud provider takes over patching, backup, failover, and scaling — your team gets out of the operations business and back to building features.

How much does replatforming cost in India?

Per-workload pricing typically runs ₹5,00,000-₹15,00,000 in India. Database replatforming (PostgreSQL/MySQL/SQL Server → RDS/Cloud SQL/Azure SQL) sits at the lower band — schema is intact, change is mostly configuration. Application containerisation (VM-based Java/Node/.NET → ECS/EKS/App Service) sits at the upper band — Dockerfile creation, build pipeline, secrets and config externalisation, plus the load-testing pass before cutover. Portfolio pricing applies at 10+ workloads. GST-compliant invoicing throughout.

How long does replatforming take?

Individual workload: 2-6 weeks depending on complexity. A portfolio of 20 workloads: 3-4 months in parallel waves, each wave grouping workloads of similar type (databases together, IIS apps together, messaging together) so the team can reuse the runbook within the wave. We schedule waves around obvious freeze windows — quarter-end for BFSI, festive-season for retail, March 25-31 IST for FY-end batches. Each wave ends with a 1-week stabilisation period before the next starts.

Is replatforming less risky than refactoring?

Yes, significantly. Refactoring rewrites application code; replatforming changes the runtime underneath unchanged code. The blast radius is therefore narrower: a refactor can fail because of a missed business rule buried in 50,000 lines of legacy logic, but a replatform can only fail in the runtime/config/integration layer — which is testable in staging in days, not months. The trade: replatform doesn't unlock cloud-native architectural benefits (event-driven, serverless, microservices). For workloads where current architecture is fine but operations are too expensive, that's the right trade.

Which workloads are best suited for replatforming?

Top replatform candidates by signal: (1) self-managed databases your team patches manually → RDS / Aurora / Azure SQL Managed Instance / Cloud SQL; (2) IIS or Apache web apps on VMs → Azure App Service or AWS Elastic Beanstalk; (3) self-hosted RabbitMQ, Kafka, ActiveMQ → Amazon MQ, MSK, or Azure Service Bus; (4) self-managed Redis or Memcached → ElastiCache or Memorystore; (5) NAS file shares with simple read/write patterns → S3 or Azure Blob with prefix-based access. Workloads that should NOT replatform: anything you'd need to retire, anything already on a SaaS replacement path, and anything with hard kernel-level dependencies (custom drivers, exotic networking).

What is the difference between replatforming and rehosting for Indian enterprises?

Rehosting (lift-and-shift) moves workloads to cloud VMs with no changes. Replatforming makes targeted modifications — migrating to managed databases, containerising applications, or upgrading middleware — to unlock cloud benefits like auto-scaling, managed patching, and reduced operational overhead. Opsio recommends replatforming when Indian enterprises want cloud value without full refactoring risk and timeline.

Which Indian workloads benefit most from replatforming?

Database-heavy applications (moving from self-managed to RDS, Azure SQL MI, or Cloud SQL), middleware-dependent workloads (WebLogic to containers), and .NET Framework applications (upgrading to .NET 8 on App Service) see the greatest benefit. Opsio assesses each workload in your Indian portfolio for replatforming suitability, considering complexity, risk, cost, and expected cloud benefits.

How does replatforming reduce costs for Indian enterprises?

Replatforming to managed services eliminates DBA, middleware, and OS administration overhead — typically reducing operational costs 30-50% compared to self-managed cloud VMs. Indian enterprises also benefit from auto-scaling that matches Indian business traffic patterns, reserved instance pricing for predictable workloads, and elimination of middleware licensing costs like WebLogic or WebSphere.

Can Opsio replatform legacy Java applications for Indian enterprises?

Yes, Opsio replatforms Java applications from legacy app servers (WebLogic, WebSphere, JBoss) to modern runtimes — Spring Boot on containers, AWS Elastic Beanstalk, Azure App Service, or Google Cloud Run. We handle dependency analysis, build system modernisation, and configuration externalisation while preserving business logic and ensuring DPDPA-compliant deployment in Indian regions.

What is the typical timeline for replatforming Indian enterprise workloads?

Individual workload replatforming takes 4-8 weeks depending on complexity. A portfolio of 10-20 applications typically completes in 3-6 months using Opsio’s factory approach with parallel workstreams. We design replatforming waves around Indian business calendars, regulatory freeze periods, and stakeholder availability — with rollback procedures at every stage to protect production operations.

Still have questions? Our team is ready to help.

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Editorial standards: Written by certified cloud practitioners. Peer-reviewed by our engineering team. Updated quarterly.

Published: Mar 2025|Updated: Apr 2025|About Opsio

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Score Your Top 10 Workloads on Replatform Readiness

Send a list of your top 10 workloads with current platform (VM size, database engine, runtime). We return a replatform-readiness score per workload (rehost / replatform / refactor / retire), the recommended PaaS target with the migration approach, and an INR effort estimate. 5 working days, no NDA on the scoring matrix.

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