[quote="facontidavide, post:7, topic:1316"] you will be able to see precisily what happened, Since it will reply the state of the process, even if the other nodes are not running. [/quote] Good point! I'll have another look at it. [quote="facontidavide, post:7, topic:1316"] And if you can build your system using a synchronous pipeline, then it means that you abused topics and nodes in the first place [/quote] I agree. As I said, I want it to be **asynchronous during operation** but synchronous during analysis/debugging in such a manner that it reproduces the communication pattern / data dependency that occurred during operation. -- [Visit Topic](https://discourse.ros.org/t/deterministic-replay-and-debugging/1316/9) or reply to this email to respond. If you do not want to receive messages from ros-users please use the unsubscribe link below. If you use the one above, you will stop all of ros-users from receiving updates. ______________________________________________________________________________ ros-users mailing list ros-users@lists.ros.org http://lists.ros.org/mailman/listinfo/ros-users Unsubscribe: