[jboss-jira] [JBoss JIRA] (JGRP-2224) Multiple discovery protocols

[Bela Ban (JIRA)]

    [ https://issues.jboss.org/browse/JGRP-2224?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13477970#comment-13477970 ] 

Bela Ban commented on JGRP-2224:
--------------------------------

This can be done by creating a {{MULTI_PING}} discovery protocol which extends {{Discovery}} and implements {{findMembers()}}. This method creates a {{Responses}} object and then calls the internal {{findMembers(Responses)}} method (in a separate thread) on each discovery protocol defined in {{MULTI_PING}}.

The config could look like this:

{code:xml}
<MULTI_PING async_discovery="true">
    <discovery_protocols>
        <TCPPING initial_hosts="..."/>
        <DNS_PING.../>
        <KUBE_PING .../>
    </discovery-protocols>
</MULTI_PING>
{code}

> Multiple discovery protocols
> ----------------------------
>
>                 Key: JGRP-2224
>                 URL: https://issues.jboss.org/browse/JGRP-2224
>             Project: JGroups
>          Issue Type: Feature Request
>            Reporter: Bela Ban
>            Assignee: Bela Ban
>             Fix For: 4.0.8
>
>
> Allow for multiple discovery protocols. This would allow us to use a single configuration which includes discovery protocols for multiple cloud providers.
> The discovery protocols could be queried sequentially (return on result), or in parallel.
> Investigate whether we need a super discovery protocol which instantiates the individual protocols, or whether each protocol should be changed e.g. to forward events down the stack.



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