Patent ID: 11956309
Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC G  H

Claim 19:
20. A computer program product for intermediary client reconnection to a preferred server in a high availability server cluster, the computer program product comprising one or more computer readable storage media and program instructions stored on the one or more computer readable storage media, the program instructions including instructions to:
monitor a persistent connection of a logical connection to a preferred server to identify an unavailability of the preferred server, wherein the persistent connection uses a main connection pool;
establish a temporary persistent connection for the logical connection to an available server to replace an unavailable preferred server, wherein the temporary persistent connection uses the main connection pool;
prompt attempts to reconnect to the preferred server at intervals; and
provide a connection switching pool and simultaneously re-establishing a persistent connection with the preferred server for the logical connection using the connection switching pool while terminating the temporary persistent connection to the available server, wherein the connection switching pool and the main connection pool allow for simultaneously maintaining two connections to different servers in a same server cluster for the logical connection.