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There's also Semaphore Flag Signalling. Ideal for mountaintops.
Climbing at altitude is like hitting your head against a brick wall — it's great when you stop. -- Chris Darwin
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Jim Davies wrote:There's also Semaphore Flag Signalling. Ideal for mountaintops.
Jeez, are we going backwards here?
Avian carrier is clearly a superior transmission technology and predates semaphore signaling by 17 years in the internet context, and by hundreds of years in real-world context.
While semaphore signaling will provide lower latency in specific line-of-site implementations, it is going to suffer from abysmal bandwidth constraints - and furthermore it lacks any practical scalability in this latter regard. While one could obtain a linear increase in bandwidth capacity by the parallelization of signaling stations and making the protocol full-duplex, there are obvious physical limitations that will place bounds on the expandability of this plan (on a case-by-case basis). Further, transmitting data beyond two line-of-sight endpoints introduces the risks of increased error rates and the increasing latency that comes with the need for retransmission.
Avian carrier does not suffer from the line-of-sight limitation and in most cases it will a offer a much longer single-hop transmit range (at the cost of increased latency - but this is technically true for any protocol). Even better, avian carrier (much like its more modern, if less-cultured and internally-combusting cousin the station wagon) offers a significant advantage in that its bandwidth capacity scales proportionately with advances in information storage density.
There are cases where semaphore technology will have a significant edge - like in multicast applications - since avian carrier is strictly a point-to-point technology. (Attempts to adjust avian carrier to a multicast technology by injection of high-velocity lead into the transmission medium while in transit have consistently failed - for reasons which should be self-evident.)
To be fair, though, semaphore technology does have a long, proud history in literary application.
Have I ever mentioned that I used to work for FedEx? Your plan has its drawbacks.
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