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From "Ruwan Linton (JIRA)" <>
Subject [jira] Resolved: (SYNAPSE-360) Dynamic load balancing
Date Fri, 27 Jun 2008 07:29:45 GMT


Ruwan Linton resolved SYNAPSE-360.

    Resolution: Fixed

Committed the patch for azeez

> Dynamic load balancing
> ----------------------
>                 Key: SYNAPSE-360
>                 URL:
>             Project: Synapse
>          Issue Type: New Feature
>          Components: Endpoints
>    Affects Versions: NIGHTLY
>            Reporter: Afkham Azeez
>            Assignee: Ruwan Linton
>             Fix For: NIGHTLY
>         Attachments: axis2Server.patch, dynamic-lb.patch
> There are some limitations in the current load balancer implementation. e.g. if we have
2 identical services in 2 different worker nodes, which are fronted by a synapse load balancer
instance. In such a case, we need to provide 4 endpoints in the synapse.xml file. As can be
seen, this is not a very scalable solution. Hence, I have implemented an dynamic load balancing
mechanism where the application members are discovered at runtime, and the endpoint do not
need to be statically specified in the synapse.xml file.
> Currently, the application endpoints are calculated by replacing the IP and port of the
incoming request with that of the member to which this request will be forwarded to. I have
only tested with HTTP/S for the moment. More details about the concept & design can be
found here:

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