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What Is Multitenancy ? : Characteristics , Features , Benefits | All you need to know [ OverView ]

Last updated on 31st Oct 2022, Artciles, Blog

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Sathiya Krishna (Senior Database Developer )

Sathiya Krishna has intense knowledge in Oracle PL/SQL, SQL Plus, SQL Loader, Tableau Development, Data Modelling, Databases, Rational databases, and normalization. He is certified professional with 7+ years of experience in their respective domain.

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    • In this article you will learn:
    • 1.What Is Multi Tenancy?
    • 2.Single-Tenant vs. Multi-Tenant.
    • 3.Benefits of Multi Tenancy Architecture.
    • 4.Importance of Multi Tenancy.
    • 5.Multi Tenancy Applications.
    • 6.Conclusion.

What Is Multi Tenancy?

When numerous clients of a single cloud vendor share the same computer resources this is referred to as multitenancy.Every client is known as tenant. This form of a sharing applies to sharing the software resources as well as a shared hosting on servers.Multitenancy allows the multiple instances of a given application to operate in shared environment. Thus a single instance of a software runs on a server and accommodates a numerous tenants. Tenants integrate physically but they are separated logically. With this a configuration a software application residing in the multi-tenant architecture will share a dedicated instances of configurations data user management among the other properties.Multi Tenancy comes in a three degrees:

Low: IaaS and PaaS are a multi-tenant SaaS is a single-tenant.

Middle: Small SaaS clusters are the multi-tenant IaaS and PaaS are.

High: IaaS, PaaS and SaaS are the fully multi-tenant.

Single-Tenant vs. Multi-Tenant:

  • A single tenant architecture is unsurprisingly an opposite of a multi-tenant architecture. The name “single tenant” is the dead giveaway as to its nature. Single tenancy means a software and supporting infrastructure serves a one customer alone.
  • Every customer has their separate independent database or a software instance and no one shares.
  • The single tenant model comes with the own advantages. A single tenancy provides a more secure environment for a starters since each tenant’s resources are entirely separate from the other tenants’ resources and information.
  • Additionally customer has full customization and functionality control. Finally a single tenant customers enjoy greater reliability because the resources are always be available and abundant.
  • However there are the drawbacks to single tenancy. No resource sharing also means a no cost-sharing so a single tenancy is the typically more expensive.
  • Also a single tenants have no one to share a regular maintenance and setup duties with so there’s more work be involved.
  • So single tenancy provides a greater privacy and resource availability than a multitenancy. However latter drains less of a customer’s time resources and money.
Single Tenant vs Multi Tenant

Benefits of a Multi Tenant Architecture:

It’s cost-effective: Much in a same way that sharing a ride with the other people is cheaper for it’s less expensive sharing cloud resources. Customers end up paying only for what they are need nothing more. Labor and staff, on-boarding a new tenants maintenance and development and updates — all of these get handled by a cloud host with only a fraction of a costs passed on and shared among the tenants.

It’s easily scalable: Building off of an advantage of cost-effectiveness this advantage means a customers can add or remove resources as needed. This flexibility is perfect for an organizations that are growing fast but are unpredictably.

It’s secure and provide more privacy: While it’s true that a single tenancy is much secure multitenancy is a nevertheless still good at threat detection and keeping tenants’ resources are separate from each other.

It’s a better use of a resources: On a host’s side multitenancy makes a better use of infrastructure. It makes a more sense to open server access to more customers instead of limiting it to the single client.

It’s maintenance-free for a customer: Not only don’t customers have to pay the monitoring and administration costs but they also don’t have to put in a work either. The host handles tasks like updates and upgrades maintenance and the other related tasks. Consider a model like renting an apartment — a landlord handles repairs a tenant handles paying a rent.

Key Risks of a Multi Tenancy:

  • It’s a security risk. If choose to use a multi tenancy model there’s a chance however slight that a data might become exposed to the third parties.
  • This breach could be happen either accidentally like by system malfunction or a software bug that exposes a data, or deliberately courtesy of hacker exploiting a weakness in architecture. This risk increases or decreases relative to a level of security measures a host provides.
  • There are the possible response time issues. Apartment dwellers face a risk of noisy neighbors ruining their peace and quiet. In a cloud hosting environment customers consuming excessive a CPU cycles are noisy virtual neighbor. This CPU drain slows down a processing time for everyone.
  • The host calls a shots regarding downtime. Just like an apartment buildings have no say when a superintendent decides to repaint the building or work on a plumbing cloud clients don’t dictate a scheduled downtime.
  • It’s much complex. As far as the host is be concerned multitenancy is a more complicated than a single tenancy.
  • Apps may be a less flexible. Shared applications tend to be a less flexible than apps provided in the other tenant architectures.
Multi Tenancy Applications

Importance of Multi Tenancy:

The cloud environment in turn has an everyone’s data, customers, suppliers, partners and worldwide resources. So multitenancy offers a quality and consistent cloud access to everyone at affordable price. It’s a great way to level of playing field so that a small business can better a compete against a monolithic mega-corporation.When A cloud host introduces a new functionalities, features and innovations a larger audience benefits from those improvements. In many cases it’s a needs of just a few customers on the multi-tenant site that spur on the development of a new features. Still eventually everyone in the architecture ends up better for it. Single tenancy models don’t work on this way as any improvements serve a only one client.

Multi Tenancy Applications:

Multitenancy applications let hosts a serve the many customers or clients with one application introduction. Each customer’s data is separate from others. Remember customers are called the “tenants.”These are characteristics of a multi tenant applications.

View: Tenants can be characterize their application stylings such as an user interfaces (UI).

Users and groups: Tenants can be change and customize their own principles to be facilitate a data access control.

Data set composition: Tenants can characterize are chosen database schema for application. This schema includes the renaming database fields removing/adding a database tables and more.

Business rules: Tenants can be frame their own a business rules and application rationale.Most cloud-based applications are the multi-tenant. Here are some famous multi tenancy application examples:

  • ADP
  • Carbonite
  • Docker
  • Freshbooks
  • HubSpot
  • Kubernetes
  • Microsoft Office 365
  • Netflix
  • Salesforce
  • WordPress
  • Zendesk
  • Zoho

Conclusion:

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