Attention: Answers.ros.org is deprecated as of August the 11th, 2023. Please visit robotics.stackexchange.com to ask a new question. This site will remain online in read-only mode during the transition and into the foreseeable future. Selected questions and answers have been migrated, and redirects have been put in place to direct users to the corresponding questions on Robotics Stack Exchange. Additional details are available here.

Revision history [back]

Yes; they're the same.

I think this is a historical artifact; the TimeSynchronizer was probably written first, and then the policy-based synchronizer was written later, but the TimeSynchronizer was kept to preserve the existing API. If I remember correctly, the TimeSynchronizer is implemented using an exact time policy synchronizer.

ROS Answers is licensed under Creative Commons Attribution 3.0 Content on this site is licensed under a Creative Commons Attribution Share Alike 3.0 license.