[GitHub] [incubator-dubbo] khanimteyaz commented on issue #2988: [Dubbo - telnet] Unrecognized the other provider

["khanimteyaz (GitHub)" <gi...@apache.org>]

 A questions ::
- As adding group here, indicate multiple implementation support of a service which is exposed. How the consumer will discover which one to use? 
    1. Is consumer developer will know about groups at the time of  writing it? Or some one else by understanding implementation details and available groups can choose which one to use?

Few improvements which I am guessing can be possible (Correct me If I am wrong here)
   1. Is there will be a default group support for any exposed service (e.g. in sprint boot there could be multiple implementation of a data source but there will be a default **primary** bean always.
  2.  If a implementation of service (e.g. group B) is unavailable should we provide support that consumer call can be still served by default group (or configured group D ), this can be use full when a particular group is in upgradation phase or out of service).

Any correction of my thought will be appreciated.Thanks in advanced.



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