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[aprssig] NetNodes, the future

John Place jplace at sc.rr.com
Wed Dec 29 18:20:29 UTC 2004


And someone needs to come up with a way to use higher speeds!!!!


Robert Bruninga wrote:

>>>>HamLists at ametx.com 12/29/04 7:08:54 AM >>>
>>>>        
>>>>
>>APRS has prospered... Because I do not have to configure 
>>(one configuration works almost universally (RELAY,WIDE...)
>>By simply addressing a message to the remote station (no path 
>>settings required).  
>>    
>>
>
>Agree completely but ONLY for 1 hop or so on a non-congested
>channel.  Message exchange is a POINT-to-POINT process that
>requires acknowledgment and other than occassional one-liners is
>just grossly inefficient on an APRS system.
>
>HAM communications needs a good point-to-point system for
>file and paragraph transfer,  It is *impossible* to do this on APRS
>and APRS was not designed to do this.  Thus we need 
>CONNECTED mode connectivity on another channel to augment
>APRS.
>
>Thus, why not a universal global NETgate system based
>on the very viable and transparent NetROM/TheNET system?
>Seems a slam-dunk to me...
>
>  
>
>>(Do we set up for I35, I30, I20, or I45 linking? 
>>What about US75?
>>Hmmm.  Decisions, Decisions, Decisions.)
>>    
>>
>
>The decision there is *very simple*.  The new LINKn-N 
>system was not designed for "linking", and cant possibly
>be used for linking because of simple basics of packet
>radio.
>
>1) The decision is simple.  If you are driving along I-35, then
>use 35LNKn-N.
>
>2) Linking in this context is a multi-hop end-to-end system which 
>everyone in packet knows cannot work beyond about 1 or 2 
>hops even on a clear channel. (for end-to-end messaging (acks) etc)...
>
>3) APRS was desiged for one-to-many on a shared  channel.  
>It was never designed and cannot possibly handle end-to-end 
>point-to-point connected traffic (messages, even one liners on 
>APRS are like "connected" traffic because of acks).
>
>Thus there is only one "decision" and it is trivial:
>1) If you are sending brief info to everyone use APRS
>2) If you need to pass files or traffic or paragraphs
>   to someone, then look on your APRS map or on your
>   radio's front panel list for the call and freq of the nearby
>   NETgate and connect to it, and then connect to
>   anyone on the planet..
>3) I just cannot imagine anything simpler... (KISS)
>
>Bob, WB4APR
>
>  
>
>>-----Original Message-----
>>From: Robert Bruninga
>>Posted At: Tuesday, December 28, 2004 9:27 PM
>>Subject: [aprssig] NetNodes, the future
>>
>>The thing we really need is NetGates.
>>
>>These are simply a TNC and a radio hooked to the internet but 
>>they look to the RF user just like a TheNet or NetROM node.  
>>Thus, they are a global level-4 AX.25 packet radio Network 
>>that is independent of application and transparent to the 
>>existing RF system.
>>
>>About the only thing that has to be different is the node list.
>>It can't be 3500 nodes deep.  The basic node list would have 
>>to be organized around distance.  If you ask for nodes, it 
>>will give you a list of the 10 nearest.  Other than that it 
>>has connectivity to every node in the world.  All you need to 
>>know is its callsign.
>>
>>That would be HAM radio at its finest.  It wouldn't mater if 
>>the node was in the next town by RF or the next state by the 
>>internet.  It appears like a NetROM or TheNET node with 
>>one-hop connectiivty to the RF node.  Which I suggest we call 
>>a NetGate.
>>
>>If I knew how to write the code, it would be sure fun to do..
>>
>>de Wb4APR, Bob
>>    
>>
>
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>  
>
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