RE: 4k 5g25 Jun 2019 12:01
Tyche at the risk of starting another entrenched kerfuffle... (heh)
Having read through that Gilat material, although everything said within it was factually accurate, I thought it was a tad disingenuous (or call it "marketing", if you like). It did not address the issue and instead conflated "throughput speeds" and "latency". These as you know are absolutely not the same thing.
Don't get me wrong. I've got nothing against Gilat. They make excellent kit and have great in-house technology and IP. Those Israelis are without a doubt smart guys - and trust me, just as smart when it comes to doing business..
But the point their pdf makes in response to the "What about latency?" question pretty much solely emphasises throughput. Now it is without question that, once a communication has been initiated - say "give me that 100GB file" or "stream me that video" - then that file can be served up to the requester at perfectly acceptable 100 Mbps+ speeds with today's satellite technology. The latency delay of probably at least 400ms in the real world at the very start of the initiation of that data transaction is going to make next to zero difference. That is undeniably true.
However, when it comes to other internet data transactions, which tend to be far more fragmented and consist of multiple much smaller requests from both ends of the communications chain, then that inherent latency will inevitably play a far more noticeable role. This is especially true in a live two-way situation, such as a voice or video call.
The best analogy I can come up with after 30 seconds' thought revolves around water. If you're looking to fill up a swimming pool, you couldn't care less if it's going to take the tap half a second to start, provided that the water then comes rushing out at high speed.
However, if you're instead looking to fill ten thousand half-pint beer glasses, then that half-second delay between turning the tap on and the water first emerging is going to cause noticeable issues - even though the "pressure" (or data throughput speed) of the flow is identical in both use cases. And of course it becomes even worse if it's you at one end filling up 5,000 half-pint glasses and they guy at the other end also filling up 5,000 half-pint glasses in alternating turn, with neither side being able to start until the other one's completed filling up a glass.
(Yes it's a laboured analogy I know, but still makes the point in some way, I think).
However, as I said, in geographies like Africa, a workable solution is far FAR better than no solution at all. Which is why I'm both heartened and entirely unsurprised at the recent report from the AVN AGM, which underlines the importance of the African market (NB with governmental/military/large enterprise customers) representing a) such a large slice of AVN's current income and b) being its prime target territory for incremental revenue.
AIMO.