[jboss-jira] [JBoss JIRA] Resolved: (JGRP-430) GossipRouter: support accessing multiple GossipRouters in TUNNEL

Mon Feb 23 14:09:44 EST 2009

     [ https://jira.jboss.org/jira/browse/JGRP-430?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Vladimir Blagojevic resolved JGRP-430.
--------------------------------------

    Resolution: Done

Resolved, random stub approach is default. Pluggable interface provided for other/new policies. 

Commit set:
1.36 +8 -7 JGroups/src/org/jgroups/protocols/TCPGOSSIP.java
1.53 +21 -33 JGroups/src/org/jgroups/protocols/PING.java
1.58 +13 -7 JGroups/src/org/jgroups/protocols/TUNNEL.java
1.39 +19 -42 JGroups/src/org/jgroups/stack/RouterStub.java

A new test TUNNEL_Test2 has been added to test this functionality. Will be further expanded! 

> GossipRouter: support accessing multiple GossipRouters in TUNNEL
> ----------------------------------------------------------------
>
>                 Key: JGRP-430
>                 URL: https://jira.jboss.org/jira/browse/JGRP-430
>             Project: JGroups
>          Issue Type: Feature Request
>    Affects Versions: 2.5
>            Reporter: Bela Ban
>            Assignee: Vladimir Blagojevic
>             Fix For: 2.8
>
>
> Multiple GossipRouters can only be used for lookups, not for routing... However, since all traffic to the GR goes out via TUNNEL (as JGroups transport), and TUNNEL uses a RouterStub to send a message to the GR, we could do the following:
>    * the RouterStub is currently configured with the address of *one* GR
>    * a Stub.send() succeeds in connecting to the GR and sending the
>      message, or goes into a state where it tries to reconnect *forever*
>    * I could simply change that to configure the RouterStub with
>      multiple GRs:
>          o for send(), we iterate through the GRs until send() returns
>            true 
> EFFECT: a GossipRouter is not a single point of failure any longer

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