Administer data sources for ServiceNow Instances.

[dheerajcheepati]

Capability	Function	Use Case	Example
Instance Data Replication (HLA)	Allows for the replication of data across multiple ServiceNow instances.	Used for high availability and disaster recovery scenarios, ensuring data consistency across geographically distributed instances.	A multinational corporation synchronizes critical incident data across its instances in different regions to maintain business continuity in case one instance fails.
MetricBase	A time-series database within ServiceNow that stores and manages large volumes of numerical data points over time.	Ideal for tracking and analyzing trends, performance metrics, and operational statistics over time.	An IT team tracks the response times of their web services every minute to analyze trends and performance degradation over time.
MID Server	Acts as a go-between for the ServiceNow instance and external systems, databases, or applications that are behind firewalls.	Enables secure data integration, orchestration, and discovery operations between ServiceNow and external resources.	A company uses a MID Server to securely connect its ServiceNow instance to an on-premises database for automated data retrieval and updates.
Remote Tables	Allows ServiceNow to present data from an external source as if it were part of the local instance.	Useful for accessing and manipulating data from external databases without the need to import it into ServiceNow.	A business unit accesses real-time inventory data from a remote supplier's database directly within their ServiceNow instance using Remote Tables.
Entity View Action Mapper	Provides a mapping interface for entity views, allowing users to define actions on those views.	Facilitates the creation of custom actions on entity views, such as creating, updating, or deleting records based on user interactions.	A service desk creates custom buttons on an entity view to allow technicians to quickly close or escalate tickets directly from a dashboard without navigating away.

I have provided some more insights on how manageable and scalable these features are that can help us plan the implementations better. [1 (Low) to 5 (High)]

Capability	Manageability Rating	Scalability Rating	Notes
Instance Data Replication (HLA)	3	5	Manageability can be complex due to the need for synchronization and conflict resolution across instances. However, it offers high scalability for disaster recovery and high availability.
MetricBase	4	5	MetricBase is designed to handle large volumes of data with relative ease of management, and it scales well for time-series data analysis.
MID Server	4	4	MID Servers are generally straightforward to set up and manage. They can be scaled by deploying additional MID Servers for load distribution and redundancy.
Remote Tables	3	4	Remote Tables are easy to set up but can become complex depending on the external data source's schema. They scale well as they do not store data within ServiceNow.
Entity View Action Mapper	4	3	This feature is user-friendly for defining actions on entity views, but scalability might be limited by the complexity of custom actions and the volume of data being manipulated.

Additional information -

Manage instance data sources (servicenow.com)