[jira] [Commented] (CASSANDRA-17923) Mixed mode support for internode authentication during TLS upgrades

["Yifan Cai (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/CASSANDRA-17923?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17612454#comment-17612454 ] 

Yifan Cai commented on CASSANDRA-17923:
---------------------------------------

The code looks good to me and the CI is green. 

+1 on the patch. 

> Mixed mode support for internode authentication during TLS upgrades
> -------------------------------------------------------------------
>
>                 Key: CASSANDRA-17923
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-17923
>             Project: Cassandra
>          Issue Type: New Feature
>            Reporter: Jyothsna Konisa
>            Assignee: Jyothsna Konisa
>            Priority: Normal
>
> During upgrades from "non-ssl -> ssl" or "ssl-mTLS" the cluster should be able to function in mixed mode with some nodes supporting "non-ssl" authentication and the new nodes supporting "mTLS" authentication. Currently we do not have this supported and because of which upgrades are not possible for upgrading internode authentication strategies.
> If a node is configured in optional mode for internode connections, retry with other SSL strategies If the node is not able to connect to other nodes due to authentication problems. 



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