Re: Satellites running IP

Lloyd Wood <l.wood@eim.surrey.ac.uk> Fri, 14 June 2002 12:52 UTC

Date: Fri, 14 Jun 2002 13:52:42 +0100 (BST)
From: Lloyd Wood <l.wood@eim.surrey.ac.uk>
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To: David Carek <David.A.Carek@grc.nasa.gov>
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Subject: Re: Satellites running IP
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On Thu, 13 Jun 2002, David Carek wrote:

> I'm looking for existing satellites that use IP or other Internet
> protocols on board or in their air to ground communications.  If you
> know of any currently flying satellites with such capabilities I'd
> appreciate the references.
>
> We use TCP/IP onboard the shuttle for some systems, but we have a custom
> unreliable protocol for the air to ground segment.  I'd like to identify
> processors, operating systems, and tcp/ip stacks that have already
> been used in space.

Chris Jackson presented a paper on SSTL's use of Internet Protocols on
the upcoming disaster monitoring constellation missions at the Second
Space Internet Workshop at Goddard Space Flight Centre, 21-22 May.
This is based on previous work; UoSAT-12 has demonstrated an onboard
TCP/IP stack, although the satellite's not really relying on it for
TT&C:

http://siw.gsfc.nasa.gov/abstracts.html

Really, isn't this what NASA et al. have been developing SCPS for?

L.

<http://www.ee.surrey.ac.uk/Personal/L.Wood/><L.Wood@surrey.ac.uk>