Maybe this is slightly off topic, but it might be very useful to know the
bandwidth usage of a single node, or even better if this bandwidth is split
among topics/services (advanced feature?). This could be done e.g. by
inserting a proxy node between the sender and the receiver, but other ways
are possible.

Lorenzo


On 26 October 2011 18:56, Armstrong-Crews, Nicholas - 0447 - MITLL <
nickarmstrongcrews@ll.mit.edu> wrote:

> Hi Cem,
>
> We're working on network health monitoring for inclusion in the next
> release (Fuerte). ("we" being the ROS SIGs for IPC and multirobot)
>
> It would be helpful to know more about your use case: what transport
> statistics you think would be useful, and what nodes would modify behavior
> as a result.
>
> Thanks!
> -Nick
>
> -----Original Message-----
> From: ros-users-bounces@code.ros.org [mailto:
> ros-users-bounces@code.ros.org] On Behalf Of Karan, Cem F USA CIV (US)
> Sent: Tuesday, October 25, 2011 12:04 PM
> To: ros-users@code.ros.org
> Subject: [ros-users] Transport statistics?
>
> Does ROS have a built-in API that collects running transport statistics? I
> want to know how many messages are lost as a proxy for the quality of the
> communications link, so I can adapt to worsening communications conditions.
>  I'd like it if the API was available in Python, but I can work on top of
> C++ if necessary.
>
> Thanks,
> Cem Karan
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-- 
Lorenzo Riano, PhD
Research Associate
Intelligent Systems Research Centre
University of Ulster
Magee campus
Londonderry
BT48 7JL

phone: +44 (0)28 71375187
email: l.riano@ulster.ac.uk, lorenzo.riano@gmail.com
skype: lorenzo.riano

Webpage: http://isrc.ulster.ac.uk/Staff/LRiano/Contact.html