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From zonghai shang <yiji.git...@hotmail.com>
Subject Support unit router feature, may be a nice feature
Date Fri, 09 Mar 2018 04:48:04 GMT
Support unit router feature for dubbo, new feature pr: https://github.com/alibaba/dubbo/pull/1438

What problems can this feature solve?

case 1:
If we have two instance of services or more, we call it serviceA(192.168.0.1), serviceA(192.168.0.2).

We want to invoke serviceA (192.168.0.2) first, if serviceA (192.168.0.2) is not available
then invoke serviceA (192.168.0.1) automatically.


case 2:

If we have many relative services, We call it serviceA(192.168.0.1), serviceA(192.168.0.2),
serviceB(192.168.1.1), serviceB(192.168.1.2), serviceC(192.168.3.1), serviceC(192.168.3.2)

dependencies of service:
serviceA -> serviceB -> serviceC
We can flexibly build call paths and automatically downgrade calls.


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