[jboss-jira] [JBoss JIRA] Commented: (JGRP-902) GossipRouter: raise SUSPECT event when GR detects (abnormal) loss of a connection from client

[Mitch Christensen (JIRA)]

    [ https://jira.jboss.org/jira/browse/JGRP-902?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12453002#action_12453002 ] 

Mitch Christensen commented on JGRP-902:
----------------------------------------

We also discussed the fact that the GR should be able to assume FD (PING) responsibility as well,

{code:title=Chat snippet describing GR's implementation of FD as well as FD_SOCK}
[07:20] bela: #1 GR detects (abnormal) loss of a connection and sends a SUSPECT(X) to all nodes in that group
[07:21] bela: (this is FD_SOCK functionality)
[07:21] MitchChristensen: I see...
[07:21] bela: #2 GR periodically sends a heartbeat to all GossipClients
[07:21] bela: ahem... RouterStubs (they've been merged)
[07:21] bela: (that's FD / FD_ALL functionality)
[07:22] MitchChristensen: I get it...so FD is completely transferred to the GR
[07:22] bela: With this scheme, you could remove FD and FD_SOCK from a tunnel.xml stack
[07:22] bela: Yes
[07:22] vlada_jgroups: hmmm, cool
{code}

> GossipRouter: raise SUSPECT event when GR detects (abnormal) loss of a connection from client
> ---------------------------------------------------------------------------------------------
>
>                 Key: JGRP-902
>                 URL: https://jira.jboss.org/jira/browse/JGRP-902
>             Project: JGroups
>          Issue Type: Feature Request
>    Affects Versions: 2.6, 2.7
>            Reporter: Vladimir Blagojevic
>            Assignee: Vladimir Blagojevic
>             Fix For: 2.8
>
>
> Currently we only support FD-heartbeat based failure detection algorithm for GR configurations. While this works ok we do not have the same efficiency of failure detection that comes with FD/FD_SOCK combo used in default UDP/TCP configurations. We can bridge that gap by introducing FD_SOCK kind of functionality that is built in GR.

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