Comparison of Standard and High Availability Modes

NOT AVAILABLE IN SAAS High Availability mode allows you to configure and deploy Ekran System in such a way that it can operate with multiple Application Server instances installed on different nodes in a Microsoft failover cluster. This provides for load balancing of data sent to the Application Servers by Ekran Clients to optimize performance, and ensures data integrity in case any of the instances go offline for any reason by using a backup Application Server for disaster recovery.

Standard and High Availability modes have the following differences:

Feature	Standard Mode	High Availability Mode
Serial key types	One of the following serial keys: - Permanent (aka Perpetual) - Subscription - Trial - SaaS - SaaS Trial - Not-for-Resale	An Enterprise serial key and one of the following serial keys: - Permanent (aka Perpetual) - Subscription - Trial - Not-for-Resale
Database type	MS SQL or PostgreSQL	MS SQL or PostgreSQL
Number of application servers	One	Multiple
System requirements	Standard system requirements	Standard system requirements, and a Microsoft failover cluster configured
Additional software	None	Microsoft failover cluster
Component connection	Physical IP address	Logical IP address
Recommended for	An average number of Client computers	A large number of Client computers

NOTE: High Availability mode is only available if you have an activated serial key for the Enterprise Edition of Ekran System.