# Decision matrix The following table summarizes the migration and modernization options for legacy .NET applications, based on your use case and resources. **** | | | **Use case** | **Migration strategy and architecture** | | --- |--- | | **Rehost** | **Replatform as a Windows container** | **Re-architect as a Linux container** | **Re-architect as microservices in Linux containers** | **Re-architect as microservices without containers** | | --- |--- |--- |--- |--- | | You have resources for refactoring. | ![\[No\]](http://docs.aws.amazon.com/prescriptive-guidance/latest/modernization-net-applications/images/icon-no.png) No | ![\[No\]](http://docs.aws.amazon.com/prescriptive-guidance/latest/modernization-net-applications/images/icon-no.png) No | ![\[Yes\]](http://docs.aws.amazon.com/prescriptive-guidance/latest/modernization-net-applications/images/icon-yes.png) Yes | ![\[Yes\]](http://docs.aws.amazon.com/prescriptive-guidance/latest/modernization-net-applications/images/icon-yes.png) Yes | ![\[Yes\]](http://docs.aws.amazon.com/prescriptive-guidance/latest/modernization-net-applications/images/icon-yes.png) Yes | | Your .NET legacy application is in constant use. | ![\[Yes\]](http://docs.aws.amazon.com/prescriptive-guidance/latest/modernization-net-applications/images/icon-yes.png) Yes | ![\[Yes\]](http://docs.aws.amazon.com/prescriptive-guidance/latest/modernization-net-applications/images/icon-yes.png) Yes | ![\[Yes\]](http://docs.aws.amazon.com/prescriptive-guidance/latest/modernization-net-applications/images/icon-yes.png) Yes | ![\[Yes\]](http://docs.aws.amazon.com/prescriptive-guidance/latest/modernization-net-applications/images/icon-yes.png) Yes | ![\[No\]](http://docs.aws.amazon.com/prescriptive-guidance/latest/modernization-net-applications/images/icon-no.png) No | | You can resolve .NET Framework dependencies. | ![\[No\]](http://docs.aws.amazon.com/prescriptive-guidance/latest/modernization-net-applications/images/icon-no.png) No | ![\[No\]](http://docs.aws.amazon.com/prescriptive-guidance/latest/modernization-net-applications/images/icon-no.png) No | ![\[Yes\]](http://docs.aws.amazon.com/prescriptive-guidance/latest/modernization-net-applications/images/icon-yes.png) Yes | ![\[Yes\]](http://docs.aws.amazon.com/prescriptive-guidance/latest/modernization-net-applications/images/icon-yes.png) Yes | ![\[Yes\]](http://docs.aws.amazon.com/prescriptive-guidance/latest/modernization-net-applications/images/icon-yes.png) Yes | | You can remove Windows dependencies. | ![\[No\]](http://docs.aws.amazon.com/prescriptive-guidance/latest/modernization-net-applications/images/icon-no.png) No | ![\[No\]](http://docs.aws.amazon.com/prescriptive-guidance/latest/modernization-net-applications/images/icon-no.png) No | ![\[Yes\]](http://docs.aws.amazon.com/prescriptive-guidance/latest/modernization-net-applications/images/icon-yes.png) Yes | ![\[Yes\]](http://docs.aws.amazon.com/prescriptive-guidance/latest/modernization-net-applications/images/icon-yes.png) Yes | ![\[Yes\]](http://docs.aws.amazon.com/prescriptive-guidance/latest/modernization-net-applications/images/icon-yes.png) Yes | | You want to run your application as a native Windows application on an Amazon Elastic Compute Cloud (Amazon EC2) instance. | ![\[Yes\]](http://docs.aws.amazon.com/prescriptive-guidance/latest/modernization-net-applications/images/icon-yes.png) Yes | ![\[No\]](http://docs.aws.amazon.com/prescriptive-guidance/latest/modernization-net-applications/images/icon-no.png) No | ![\[No\]](http://docs.aws.amazon.com/prescriptive-guidance/latest/modernization-net-applications/images/icon-no.png) No | ![\[No\]](http://docs.aws.amazon.com/prescriptive-guidance/latest/modernization-net-applications/images/icon-no.png) No | ![\[No\]](http://docs.aws.amazon.com/prescriptive-guidance/latest/modernization-net-applications/images/icon-no.png) No | | Your code can be ported from .NET Framework to .NET Core or .NET 6. | ![\[No\]](http://docs.aws.amazon.com/prescriptive-guidance/latest/modernization-net-applications/images/icon-no.png) No | ![\[No\]](http://docs.aws.amazon.com/prescriptive-guidance/latest/modernization-net-applications/images/icon-no.png) No | ![\[Yes\]](http://docs.aws.amazon.com/prescriptive-guidance/latest/modernization-net-applications/images/icon-yes.png) Yes | ![\[Yes\]](http://docs.aws.amazon.com/prescriptive-guidance/latest/modernization-net-applications/images/icon-yes.png) Yes | ![\[Yes\]](http://docs.aws.amazon.com/prescriptive-guidance/latest/modernization-net-applications/images/icon-yes.png) Yes | | You want to split your monolithic application. | ![\[No\]](http://docs.aws.amazon.com/prescriptive-guidance/latest/modernization-net-applications/images/icon-no.png) No | ![\[No\]](http://docs.aws.amazon.com/prescriptive-guidance/latest/modernization-net-applications/images/icon-no.png) No | ![\[No\]](http://docs.aws.amazon.com/prescriptive-guidance/latest/modernization-net-applications/images/icon-no.png) No | ![\[Yes\]](http://docs.aws.amazon.com/prescriptive-guidance/latest/modernization-net-applications/images/icon-yes.png) Yes | ![\[Yes\]](http://docs.aws.amazon.com/prescriptive-guidance/latest/modernization-net-applications/images/icon-yes.png) Yes | The following sections describe these options in detail: + [Rehosting](rehost.md) + [Replatforming as a Windows container](replatform.md) + [Replatforming as a Linux container](refactor-linux.md) + [Re-architecting as microservices in Linux containers](refactor-linux-micro.md) + [Re-architecting as microservices without containers](refactor-micro.md)