Differences between on-premise and cloud instance

[divyasurada]

What are the major differences between on-premise and cloud instance project implementations. Are there any limitations in on-premise? What are the advantages & disadvantages?

[Sai Shravan]

Hi @divyasurada,

Here are the major differences between on-premise and cloud instance project implementations in ServiceNow:

Feature	On-premise Implementation	Cloud Instance Implementation
Deployment Model	Installed on customer's own hardware and network infrastructure	Hosted by ServiceNow on their cloud infrastructure
Initial setup	Customer needs to provision and set up their own hardware, software, and network infrastructure	ServiceNow takes care of all initial setup and infrastructure requirements
Maintenance	Customer is responsible for maintaining and upgrading hardware, software, and network infrastructure	ServiceNow handles all maintenance and upgrades
Scalability	Limited by customer's hardware, software, and network infrastructure	Highly scalable due to cloud-based infrastructure
Customization	Full access to underlying code and database for customization	Limited access to underlying code and database for customization
Security	Customer has more control over security and compliance	ServiceNow provides robust security and compliance measures
Cost	Upfront capital expenditure for hardware and software	Ongoing operational expenditure for subscription and usage fees
Upgrades	Customer controls the upgrade cycle and timing	ServiceNow controls the upgrade cycle and timing
Integration	Integration with external systems may require additional setup and infrastructure	ServiceNow provides pre-built integrations and APIs for seamless integration with external systems

There are a few limitations to on-premise implementation, such as:

1. Limited scalability due to hardware, software, and network infrastructure constraints
2. Longer implementation and setup time
3. Increased maintenance and upgrade requirements
4. Limited access to ServiceNow platform updates and new features
5. Potentially higher upfront costs for hardware and software

The advantages and disadvantages of on-premise implementation versus cloud instance implementation are:

Advantages of on-premise implementation:

• Full control over hardware, software, and network infrastructure
• Greater customization capabilities
• Potentially lower long-term costs

Disadvantages of on-premise implementation:

• Limited scalability
• Longer implementation and setup time
• Increased maintenance and upgrade requirements
• Potentially higher upfront costs for hardware and software

Advantages of cloud instance implementation:

• Scalable infrastructure for growth and demand
• Shorter implementation and setup time
• Lower maintenance and upgrade requirements
• Access to new features and upgrades from ServiceNow
• Pre-built integrations and APIs for easy integration with external systems

Disadvantages of cloud instance implementation:

• Limited customization capabilities
• Ongoing operational expenditure for subscription and usage fees

Regards,
Shravan