1 .. N R2Web Cluster Servers
1 .. N R2Web Session Pools
0 .. 1 R2Web Admin Console
R2Web Cluster
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This module is linked to the load balancer.
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The primary goal of this module is to efficiently direct requests from the browser to the session pool (application instance).
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This module ensures higher availability by allowing users to connect to the application instance from another cluster in case one cluster experiences downtime.
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R2Web Cluster follows the round-robin policy to select the connected session pool.
R2Web Session Pool
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This module manages the application instance.
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It oversees all R2 application instances initiated and supervised within this layer.
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This module is lightweight and can seamlessly connect to multiple clusters.
R2Web Admin Console
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The system will feature a single Admin Server to oversee operations.
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This module is designed to centrally handle application configurations for all connected clusters and session pools.
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Please note that the system permits only one Admin Server at any given time.