E1: AIS: ORCH: Stateless Load Balancing for AIS Single Token - Starting Tools Release 126.96.36.199
(Doc ID 2751113.1)
Last updated on FEBRUARY 04, 2022
Applies to:JD Edwards EnterpriseOne Orchestrator - Version 9.2 and later
JD Edwards EnterpriseOne Tools - Version 9.2 and later
Information in this document applies to any platform.
Currently, an established session can only be used by the AIS server that the session was established on.
The load balancer relies on configured session affinity to route the request to the same server every time that an established session is used.
Sessions are retrieved using the AIS Token created on the original AIS server (represented by ‘T’ below).
The Stateless Load Balancing feature in AIS allows AIS servers to share sessions across multiple load balanced AIS Server instances.
With Stateless Load Balancing, sessions are propagated across all participating nodes in the cluster.
The same AIS Token is used to retrieve the sessions on any of the participating nodes. Cookies or other mechanisms that provide sessions affinity must not be used or configured so the load balancer can balance requests across all available nodes.
Since the session is already established and managed, there is no need to authenticate the user on each request, this improves the performance of each call (versus traditional stateless calls using credentials every time).
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