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Microsoft Orleans

Backend

Distributed .NET actors for scalable SaaS and real-time features

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Overview

Microsoft Orleans powers stateful, scale-out scenarios in ConnectSoft SaaS platform templates—tenant grains, background orchestration, and real-time features that would be awkward to model purely as stateless HTTP services. Grains run on .NET 10 with clustering backed by Azure storage or SQL, depending on template configuration.

We pair Orleans with ASP.NET Core gateways and MassTransit events so external APIs stay thin while grain logic handles concurrency, reminders, and elastic scale on AKS or App Service environments configured for silo hosting.

Orleans is a Factory differentiator for generated SaaS—not implied for every microservice stub. Template docs clarify when grains beat plain services so teams do not over-engineer simple CRUD paths.

Need elastic .NET state without operating bespoke sharding code? Orleans in our platform program gives you a proven actor model on Azure with observability hooks aligned to the rest of the stack.

Why we use it:

  • Stateful grains for multi-tenant SaaS and scale-out workers in platform templates
  • Clustering via Azure Storage or SQL with .NET 10 silos
  • Integrates with ASP.NET Core gateways and MassTransit events
  • Reminders and grain lifecycle for long-running workflows
  • Clear template guidance on when Orleans beats stateless services
  • Observability through Application Insights and OpenTelemetry

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