Re: [Raw] Proposed RAW charter

<Thomas.Graeupl@dlr.de> Thu, 16 January 2020 08:55 UTC

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From: <Thomas.Graeupl@dlr.de>
To: <David.Lake@Dell.com>, <db3546@att.com>, <bebemaster@gmail.com>, <raw@ietf.org>
Thread-Topic: [Raw] Proposed RAW charter
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Date: Thu, 16 Jan 2020 08:54:55 +0000
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Subject: Re: [Raw] Proposed RAW charter
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My comment was more general – are we limiting RAW to providing Reliable and Available IP Wireless services or are we looking at providing Reliable and Available Wireless whether the protocol is IP or something else.

[TG] My understanding was “Reliable and Available IP Wireless services”. At least, this would be the work most appreciated by the aviation community.


I have a general concern that when it comes to small-payload IOT services, often an IP header over the air interface is very wasteful in terms of spectrum (ratio of header:payload).   This does not preclude the backhaul being IP but we already have a plethora of non-IP OTA solutions which could also benefit from work in RAW.

[TG] I agree. The aeronautical use case is, however, more related to having two (or more) possibly different wireless links and to use them to provide more reliable and available IPv6 based data transfer than it would be possible using just one link.

The desire to have an IP based solution comes mainly from the fact that there is already a plethora of proprietary or legacy solutions in place that have become difficult to manage over time.

The ratio header/payload is certainly a concern, although the situation is not as bad as in the IOT case. Aeronautical links like LDACS provide in the order of 500 kbit/s up to a few Mbit/s. Satellite links for air traffic guidance are similar.

Thomas