Dynamic load balancing
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Key: SYNAPSE-360
URL: https://issues.apache.org/jira/browse/SYNAPSE-360
Project: Synapse
Issue Type: New Feature
Components: Endpoints
Affects Versions: NIGHTLY
Reporter: Afkham Azeez
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:
http://afkham.org/2008/06/fault-resilient-dynamic-load-balancing.html
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