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]

Isn't it just because of the nature of the TCP protocol (on which rosbridge is based)? It will ensure that your data is sent with a built-in re-try mechanism. If your goal is to keep the video/image data running and allow frame drops, you may want to consider implementing a proxy server to send your raw/compressed image over a UDP protocol-based socket and do other stuff from there.

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.