Multi-Tenant System Architecture
A Multi-Tenant System Architecture is a software system architecture model that allows a single instance of the software to serve multiple client organizations (tenants).
- Context:
- Its underlying infrastructure (including databases and hardware) to serve multiple client organizations, referred to as tenants.
- It is distinguished by its ability to logically isolate data for each tenant, even though the tenants share the same physical resources.
- It can allow for efficient resource utilization, lowering costs by sharing infrastructure and services across multiple tenants.
- It can offer scalability by accommodating growth without the need for additional physical resources.
- It can support various deployment models, including Infrastructure as a Service (IaaS), Platform as a Service (PaaS), and Software as a Service (SaaS).
- It can involve three main types of database architecture: shared database with a shared schema, shared database with multiple schemas, and multiple databases with multiple schemas, each offering different levels of data isolation and cost implications
- It can (often) provide benefits such as cost savings, increased efficiency, easy maintenance, and the ability to customize tenant environments within the shared infrastructure.
- It can pose challenges such as potential security risks if not correctly implemented, system outages affecting all tenants, and the complexity of managing a shared environment.
- It can be differentiated from Single-Tenant Architecture where each tenant has a dedicated instance of the application and resources, offering more isolation at a higher cost.
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- Example(s):
- Counter-Example(s):
- See: Cloud Computing, Virtualization, Software as a Service (SaaS), Platform as a Service (PaaS), Infrastructure as a Service (IaaS), SaaS Architecture, Hardware Virtualization, Resource Sharing.
References
2024a
- (ChatGPT-OpenAI, 2024) ⇒ Prompt: Summarize the concept Multi-Tenant System Architecture in 1- 2 paragraphs. ChatGPT (model:gpt-4-turbo-preview). Retrieved: 2024-02-11.
- QUOTE: Multi-Tenant System Architecture refers to a software architecture pattern wherein a single instance of the software application serves multiple customers or tenants. Each tenant's data is isolated and remains invisible to other tenants, despite them sharing the same hardware, software, and database. This architecture is prevalent in cloud services and SaaS (Software as a Service) applications, offering a cost-efficient model by maximizing resource sharing and simplifying maintenance and updates.
In this architecture, tenants can typically customize some parts of the application, such as user interface components or workflow processes, to suit their specific needs without affecting the core functionality or disturbing other tenants. The multi-tenancy model achieves economies of scale, enabling service providers to optimize resource use and reduce costs, while ensuring security, privacy, and performance are not compromised. It's a critical component in achieving scalable and flexible cloud-based services, appealing to a broad range of businesses seeking efficient and economical software solutions.
- QUOTE: Multi-Tenant System Architecture refers to a software architecture pattern wherein a single instance of the software application serves multiple customers or tenants. Each tenant's data is isolated and remains invisible to other tenants, despite them sharing the same hardware, software, and database. This architecture is prevalent in cloud services and SaaS (Software as a Service) applications, offering a cost-efficient model by maximizing resource sharing and simplifying maintenance and updates.
2023
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- A multi-tenant system architecture is a software architecture in which a single instance of a software application serves multiple customers, also known as tenants. In this architecture, each tenant shares the same underlying infrastructure, including hardware, database, and application resources, but their data and configurations are kept separate and secure from one another.
Multi-tenancy enables efficient resource utilization, simplified maintenance and updates, and cost savings for both the service provider and the tenants. It is commonly used in cloud-based software solutions, such as Software as a Service (SaaS) applications, including the Salesforce CRM System Architecture.
- A multi-tenant system architecture is a software architecture in which a single instance of a software application serves multiple customers, also known as tenants. In this architecture, each tenant shares the same underlying infrastructure, including hardware, database, and application resources, but their data and configurations are kept separate and secure from one another.