At the simplest, this document explains that radio transmission is not transitive. Should be obvious, but experience has shown that it's only obvious after it's said.
Why is that important? Because it means that simple broadcast wireless transmissions do not satisfy the assumptions that e.g. ND is built on. So you can't just hook a host up to a broadcast wireless tranceiver and expect it to work. A router, on the other hand, might work. (Each assuming other such devices.) So that's an important difference between hosts and routers in this environment. And I think this document needs to say it, at least at some level, as that's a key motivation for some things it says. Without making that point there's a danger of a reader saying "Radio transmission isn't transitive. So what?" How to make host devices (as opposed to hosts on devices that also have router functions) work is another matter, which may or may not be considered here. Having a little bit of router, maybe just enough to ignore some direct communication with other host devices, might work, for example. All in my opinion of course. -- Christopher Dearlove Senior Principal Engineer, Communications Group Communications, Networks and Image Analysis Capability BAE Systems Advanced Technology Centre West Hanningfield Road, Great Baddow, Chelmsford, CM2 8HN, UK Tel: +44 1245 242194 | Fax: +44 1245 242124 [email protected]<mailto:[email protected]> | http://www.baesystems.com BAE Systems (Operations) Limited Registered Office: Warwick House, PO Box 87, Farnborough Aerospace Centre, Farnborough, Hants, GU14 6YU, UK Registered in England & Wales No: 1996687 ******************************************************************** This email and any attachments are confidential to the intended recipient and may also be privileged. If you are not the intended recipient please delete it from your system and notify the sender. You should not copy it or use it for any purpose nor disclose or distribute its contents to any other person. ********************************************************************
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