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Connection retry strategy?

asked 2012-08-09 01:07:23 -0600

damonkohler gravatar image

updated 2014-04-20 14:09:41 -0600

ngrennan gravatar image

Are they any REPs or other documentation describing retry strategies for topics and services?

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answered 2012-09-15 13:57:09 -0600

tfoote gravatar image

I don't believe there are generic connection retries implemented at the moment. There was some logic to do so, but it's only experimental.

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Thanks, Tully. I think maybe we can roll this into the ROS 2.0 SIG then. Or at least explicitly leave it out :)

damonkohler gravatar imagedamonkohler ( 2012-10-10 05:19:51 -0600 )edit
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answered 2012-08-09 02:21:26 -0600

dornhege gravatar image

updated 2012-08-09 02:22:04 -0600

The Technical Overview might be a good start. At least for services, retry is dependent if it is a persistent connection or not.

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Unfortunately, it doesn't cover retry strategies other than to state that persistent service connections are not retried.

damonkohler gravatar imagedamonkohler ( 2012-08-16 04:17:19 -0600 )edit

Yes, that is also important information, i.e. the user has to do it. It states (implictly) that non-persistent connections are reconnected on every service call.

dornhege gravatar imagedornhege ( 2012-08-16 04:46:46 -0600 )edit

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Asked: 2012-08-09 01:07:23 -0600

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Last updated: Sep 15 '12