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Unread 04-29-2012, 10:22 PM
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marshall marshall is offline
My pants are louder than yours.
FRC #0900 (The Zebracorns)
Team Role: Mentor
 
Join Date: Jan 2012
Rookie Year: 2003
Location: North Carolina
Posts: 1,229
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Re: The communication tides are shifting...

Quote:
Originally Posted by MarkoRamius1086 View Post
The one team that was initially causing lag had three cameras streaming at an extremely high refresh rate. They toned it down to an acceptable rate as soon as they were informed it was causing lag not only with their bot, but with other robots on the field.
So I'm a mentor for Team 900. We were at both the Virginia and Raleigh regionals. You guys did an awesome job keeping things in line. It was truly top notch work.

However, I do feel the need to point out that the issue with our robot and the three cameras causing lag for the other robots was not an issue we actually solved in any meaningful way. We were watching our own bandwidth and it remained the same throughout the matches despite us fiddling with settings. I'm not sure what changed but it wasn't our robot despite our best efforts.

I do have a bigger concern with being told that a single robot is somehow taking all the bandwidth away from the other 5 robots on the field. This is a problem that should not be occurring. Quality of Service (QoS) should enable the bandwidth to be shared evenly amongst the teams.

There needs to be more transparency into how the FMS system operates. A complete breakdown of what parts and software are used will enable more eyes for troubleshooting and will hopefully enable teams to host better off season events.

We saw FMS problems at both Virginia and Raleigh. I'm not surprised other teams are having similar issues. I'd also like to echo the sentiment that a better transceiver system needs to be worked out. I'm not sure what that system should look like but the COTS D-Link and Linksys stuff isn't cutting it.
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