The default private session state provider in Sitecore Azure
Version: 10.4
Azure Redis cache is the default private session provider that Sitecore Azure uses. In Sitecore 10.1 and higher, asynchronous session state provider is configured by default:
RequestResponse
<add name="redis" type="Sitecore.SessionProvider.Redis.RedisSessionStateProviderAsync, Sitecore.SessionProvider.Redis" ... />and
RequestResponse
<system.webServer><modules><add name="Session" type="Microsoft.AspNet.SessionState.SessionStateModuleAsync, Microsoft.AspNet.SessionState.SessionStateModule" /></modules></system.webServer>