[Sis-ipo] Fwd: Re: IP over DVB-S2

[Adrian J. Hooke]

>Date: Tue, 21 Jun 2005 12:02:51 +0100 (BST)
>From: Lloyd Wood <l.wood at eim.surrey.ac.uk>
>Subject: Re: IP over DVB-S2
>To: ipdvb at erg.abdn.ac.uk
>Cc: jerome.lacan at ensica.fr, keith.hogie at gsfc.nasa.gov
>(original text snipped) One approach to transporting continuous streams is 
>to carry a
>continuous HDLC stream; once you come out of your DVB-S2-capable modem
>the HDLC stream would be ready to go right into a serial port on any
>router for the IP packets to be handled there -- and integrating
>modem and router becomes easy.
>
>This HDLC approach has been proposed in the space agency domain for
>their CCSDS protocols, as easier than the various existing and arcane
>IP-in-CCSDS encapsulations. A new IP-over-CCSDS space links workgroup:
>http://public.ccsds.org/sites/cwe/sis-ipo/default.aspx
>has been formed to discuss this, in a kind of parallel way to this
>IP-over-DVB IETF workgroup.
>
>This sapproach separates the layering quite cleanly. You'll find a
>description of the engineering advantages of layering an HDLC stream
>over your link in:
>
>K. Hogie, E. Criscuolo and R. Parise, Using standard Internet
>Protocols and applications in space, Computer Networks, special issue
>on Interplanetary Internet, vol. 47 no. 5, pp. 603-650, April 2005.
>
>...which describes the HDLC-into-modem case (with a number of
>practical anecdotes) and proposes the HDLC-into-CCSDS-device case.
>
>One source for a copy of that paper is:
>http://www.uni-bamberg.de/wiai/ktr/html/lehre/2005ss/hauptsem/unterlagen/hogie.pdf
>
>If you think of DVB-S2 as, like CCSDS, being a very complex link
>layer, this approach makes a lot of sense.
>
>L.
>
><http://www.ee.surrey.ac.uk/Personal/L.Wood/><L.Wood at eim.surrey.ac.uk>