Versions Compared

Key

  • This line was added.
  • This line was removed.
  • Formatting was changed.

...

Cloud app continuum

Lift and Shift (Rehost)

Image Modified

When to consider

  • Ideal when your goal is to improve operational efficiencies, and free up data center space
  • Maintenance apps for which the hardware is not worth additional investment.
  • Compute-intensive applications that are built for parallelism but don't require high-performance interprocess communications (IPC) and have independent datasets, and applications for which load balancing already increases scalability and availability.

Benefits

  • Drives instant reduction in TCO - 30% on average
  • No need to manage data centers
  • Enjoy flexible and scalable infrastructure

Core technologies

  • VM, VM Scale Set


Info

Source: Decision Point for Choosing a Cloud Application Migration Strategy, Gartner. Published: 29 March 2016

Refactor

Image Modified

When to consider

  • You want to leverage existing development skills and codebase is paramount
  • When code portability is a concern.
  • You prefer a quick way to modernize your apps

Benefits

  • Drive continuous innovation by leveraging built-in DevOps for PaaS or using Containers
  • Existing programming models,languages and frameworks that can be easily used and extended.
  • Easily scale up or down to meet the changing needs of the business

Core technologies

  • Containers, container ochestration
  • DevOps tools


Info

Source: Decision Point for Choosing a Cloud Application Migration Strategy, Gartner. Published: 29 March 2016

Rebuild

Image Modified

When to consider

  • You want to build for cloud-native PaaS environments from ground up.
  • Leverage previous investment in a cloud platform, e.g. when customer data has already moved to the Cloud.
  • Rapid prototyping is crucial or the scope of a current application is too limited in terms of functionality and lifespan.

Benefits

  • Reduce TCO
  • Fully leverage the cloud native capabilities and build applications faster
  • Expedite your business innovation

Core technologies

  • Serverless, Pass


Info

Source: Decision Point for Choosing a Cloud Application Migration Strategy, Gartner. Published: 29 March 2016

Choosing Migration strategy and technology

ObjectivesCloud strategy

Options to

consider

RehostRefactorRearchitectRe-buildReplace
Innovation1Deliver new capabilities faster


V
PaaS, Serverless
2Provide multichannel access, including mobil


VVPaaS, Serverless
3Enable business agility with continuous innovation
VV

PaaS, Containers
Differentiation1More easily integrate with other web and cloud apps

VV
PaaS, Serverless
2Infuse intelligence into processes leveraging existing investments
VV

PaaS, Serverless
3Increase agility & support scalability requirements of existing applications more cost effectively
VV

PaaS, Containers
Record

1Free up data center space quicklyV


VVMs, SaaS
2Reduce capital expenditure of existing applications V


VVMs, SaaS
3Achieve rapid time to cloudV



VMs