Why are micro-ethernet adapters not a thing? A physical adapter that takes our thirty year old standard sized RJ45 jack on one side and and plugs into a TabletPC on the other.
Every other form of high speed communications has already shrunk to much smaller than the RJ45 form factor. All of the following can achieve speeds much faster than 1Gbps but have much smaller sized physical connections:
- miniSAS - SCSI Attached Storage
So how were these other technologies able to shrink to small connector size but at faster speeds? Yes, ethernet works over distances of 100meters whereas none of the above except miniSAS work directly over 5meters, but of course MiniSAS is much much faster. Certainly engineering and modern manufacturing could make a physical adapter to reduce the physical size down to easily fit in a modern laptop, not cause NEXT and still not slow the speed down that much? The conductors have to be closer together, so microRJ45 would need to mitigate Near End CrossTalk or NEXT. Could that be achieved at manufacturing by increasing the twists-per-inch inside the adapter?
Please do not answer with Ethernet-to-USB dongles as they are insecure, severely limited for PXE, have driver issues, and unstable.
Thirty years from now, will the RJ45 ethernet jack on PCs be antiquated? Will we chatting about the old days of RJ45 wired ethernet like we talk about token-ring and dot matrix printers today?
I have asked this same question in electronics, physics and Network Engineering, but it was rejected in every single one. They suggested to ask in retro computing.