> For the complete documentation index, see [llms.txt](https://docs.appfactor.io/52eJroWboQfTwsFl14gL/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.appfactor.io/52eJroWboQfTwsFl14gL/provisioning-guide/dedicated-saas-instance.md).

# Dedicated SaaS Instance

## Overview

AppFactor Single-Tenant SaaS provides a single-tenant, isolated deployment of the AppFactor platform, delivered using a Single-Tenant SaaS model. Each customer receives a fully isolated AppFactor environment with dedicated compute, storage, and networking resources, while AppFactor manages the platform end-to-end.

This model combines the operational simplicity of SaaS with the isolation, control, and compliance benefits typically associated with self-managed deployments.

***

## What is AppFactor Single-Tenant SaaS?

AppFactor Single-Tenant SaaS is a managed, single-tenant AppFactor environment provisioned specifically for your organization. Unlike the shared AppFactor SaaS offering, no infrastructure or application components are shared with other customers.

Each dedicated instance includes:

* A private AppFactor control plane
* Dedicated application workers
* Isolated databases and storage
* Dedicated networking and ingress

All instances are fully managed, monitored, patched, and upgraded by AppFactor.

***

## Architecture

This section describes the technical architecture of AppFactor Single-Tenant SaaS from a platform and operations perspective.

#### Cloud Hosting

By default, AppFactor Single-Tenant SaaS is hosted on Amazon Web Services (AWS). Each customer environment is deployed into a dedicated AWS account or isolated AWS environment managed by AppFactor.

Other cloud providers may be supported by exception, subject to commercial agreement and technical feasibility.

#### Platform Architecture

* Single customer per environment
* Dedicated AWS networking (VPC)
* Isolated compute, storage, and data services
* Managed control plane operated by AppFactor

No infrastructure components are shared between customers.

***

## Deployment Model

This section defines how single-tenant environments are provisioned, hosted, and operated.

* **Provisioning**: New instances are provisioned on request following commercial agreement
* **Hosting**: Cloud-hosted (region selection subject to availability)
* **Isolation**: Single-tenant at the infrastructure and application layers
* **Management**: Fully managed by AppFactor

This is **not** a self-hosted or customer-managed deployment.

***

## Security and Isolation

This section describes the technical isolation boundaries and security controls enforced by the platform.

#### Tenant Isolation

* Dedicated AWS VPC per customer
* Isolated application runtimes
* Dedicated data stores per environment
* No cross-tenant network connectivity

#### Security Controls

AppFactor Single-Tenant SaaS applies security best practices aligned with managed AWS environments, including:

* Network segmentation and security groups
* Encryption in transit and at rest
* Managed secrets and credentials
* Continuous vulnerability management

Security controls are applied consistently across all single-tenant environments.

***

## Compliance and Data Residency

This section documents compliance-relevant capabilities for regulated environments.

AppFactor Dedicated is designed for customers with stricter compliance or data residency requirements.

Capabilities may include:

* Region-specific deployments
* Data residency guarantees
* Support for regulated workloads

Availability depends on cloud region and commercial agreement.

***

## Upgrades and Maintenance

This section outlines lifecycle management responsibilities and change processes.

AppFactor is responsible for:

* Platform upgrades
* Security patching
* Availability and performance monitoring
* Backup and disaster recovery

Upgrades are coordinated to minimize customer impact and follow defined maintenance windows.

***

## Availability and SLAs

This section describes availability targets and reliability commitments.

#### Reliability and Resilience

* Deployed on highly available AWS services
* Redundant components across availability zones where applicable
* Automated health checks and monitoring

#### Backup and Recovery

* Automated backups of critical data
* Defined retention policies
* Disaster recovery procedures managed by AppFactor

Availability targets and recovery objectives are defined contractually.

***

## Configuration and Customization

This section defines supported configuration surfaces and limitations.

AppFactor Dedicated supports limited customization, such as:

* Environment sizing
* Region selection
* Networking configuration
* Integration endpoints

Application-level customization beyond supported configuration options is not permitted.

***

## Support

This section defines support scope and operational engagement.

#### Managed Service Model

AppFactor Single-Tenant SaaS is delivered as a fully managed service. AppFactor is responsible for:

* Infrastructure operations
* Platform monitoring and alerting
* Incident response
* Security patching and upgrades

Customers are not required to perform operational maintenance.

***

## Subscriptions and Commercial Model

This section provides a high-level overview of the commercial model.

AppFactor Dedicated is offered as a **subscription-based service**.

Pricing depends on:

* Instance size
* Region
* Support tier
* Contract term

Contact AppFactor sales for pricing details.

***

## Testing & PoV - Sandbox Instances

AppFactor provides sandbox environments that follow the same Single-Tenant SaaS architecture and operational model as production deployments, with lighter sizing and relaxed non-functional characteristics to support testing, evaluation, and proof-of-value (PoV) activities. Sandbox instances are fully isolated, managed by AppFactor, and hosted using the same core platform components, ensuring architectural consistency while allowing faster provisioning, reduced cost, and greater operational flexibility. While availability, performance, and retention guarantees may differ from production, sandbox environments accurately reflect real-world behavior for functional validation, integration testing, and customer evaluation.

***

## Frequently Asked Questions (FAQ)

#### Is this a self-hosted deployment?

No. AppFactor Single-Tenant SaaS is fully managed by AppFactor. Customers do not manage infrastructure, operating systems, or platform services.

#### Do customers get access to the underlying infrastructure?

No. Access is limited to supported application interfaces (UI, APIs, integrations). Infrastructure-level access is not provided.

#### How is this different from shared SaaS?

Single-Tenant SaaS provides dedicated infrastructure, isolated runtime components, and customer-specific data stores. Shared SaaS uses multi-tenant infrastructure.

#### Can I choose the cloud provider and region?

Region selection is supported where available. Cloud provider selection may be limited based on AppFactor support and commercial agreement.

#### How are upgrades handled?

Upgrades are performed by AppFactor during defined maintenance windows. Customers are notified in advance of planned changes.

#### Can I customize the platform?

Customization is limited to documented configuration options. Application code or platform modifications are not supported.

#### Is data isolated from other customers?

Yes. Each single-tenant environment has dedicated data stores and no cross-tenant access paths.

#### What support level is included?

Support levels depend on the subscribed plan and are defined contractually.


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